Page 2 - STMicroelectronics Products - Clock/Timing - Real Time Clocks

M48T37Y-70MH1F
STMicroelectronics

IC RTC CLK/CALENDAR PAR 44-SOH

Package: 44-BSOP (0.337", 8.56mm Width) requires SNAPHAT

Stock14,016
M41T315V-85MH6F
STMicroelectronics

IC RTC PHANTOM SER 28-SOIC

Package: 28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets

Stock16,134
M41T83RMY6F
STMicroelectronics

IC RTC CLK/CALENDAR I2C 18-SOX

Package: 18-SOX, 18-SOIC with Crystal (7.5mm Width)

Stock14,544
M41T93RQA6F
STMicroelectronics

IC RTC CLK/CALENDAR SPI 16-QFN

Package: 16-VQFN Exposed Pad

Stock2,400
M41T83ZQA6F
STMicroelectronics

IC RTC CLK/CALENDAR I2C 16-QFN

Package: 16-VQFN Exposed Pad

Stock48,000
M41T65Q6F
STMicroelectronics

IC RTC CLK/CALENDAR I2C 16-QFN

Package: 16-VFQFN Exposed Pad

Stock15,756
M48T18-150PC1
STMicroelectronics

IC RTC CLK/CALENDAR PAR 28DIP

Package: 28-DIP Module (0.600", 15.24mm)

Stock6,512
M48T35AV-10MH1F
STMicroelectronics

IC RTC CLK/CALENDAR PAR 28SOH

Package: 28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets

Stock9,204
M48T201V-85MH1F
STMicroelectronics

IC RTC CLK/CALENDAR PAR 44-SOH

Package: 44-BSOP (0.337", 8.56mm Width) requires SNAPHAT

Stock73,440
M48T58Y-70MH1F
STMicroelectronics

IC RTC CLK/CALENDAR PAR 28-SOH

Package: 28-SOIC (0.337", 8.56mm Width) with SNAPHAT Sockets

Stock5,200
M48T201Y-70MH1F
STMicroelectronics

IC RTC CLK/CALENDAR PAR 44-SOH

Package: 44-BSOP (0.337", 8.56mm Width) requires SNAPHAT

Stock2,304
M41ST85WMH6F
STMicroelectronics

IC RTC CLK/CALENDAR I2C 28-SOIC

Package: 28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets

Stock123,900
M41ST87WMX6TR
STMicroelectronics

IC RTC CLK/CALENDAR I2C 28-SOIC

Package: 28-SOIC (0.295", 7.50mm Width)

Stock239,544
M41ST87WSS6F
STMicroelectronics

IC RTC CLK/CALENDAR I2C 20-SSOP

Package: 20-SSOP (0.209", 5.30mm Width)

Stock4,912
M41T11MH6F
STMicroelectronics

IC RTC CLK/CALENDAR I2C 28-SOIC

Package: 28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets

Stock3,696
M41T93ZMY6F
STMicroelectronics

IC RTC CLK/CALENDAR SPI 18-SOX

Package: 18-SOX, 18-SOIC with Crystal (7.5mm Width)

Stock6,640
M41T93RMY6F
STMicroelectronics

IC RTC CLK/CALENDAR SPI 18-SOX

Package: 18-SOX, 18-SOIC with Crystal (7.5mm Width)

Stock5,824
M41T81SMY6F
STMicroelectronics

IC RTC CLK/CALENDAR I2C 18-SOIC

Package: 18-SOX, 18-SOIC with Crystal (7.5mm Width)

Stock5,808
M41T93ZQA6F
STMicroelectronics

IC RTC CLK/CALENDAR SPI 16-QFN

Package: 16-VQFN Exposed Pad

Stock5,088
M41T83SQA6F
STMicroelectronics

IC RTC CLK/CALENDAR I2C 16-QFN

Package: 16-VQFN Exposed Pad

Stock14,088

Part Number	Manufacturer	Description	Package	Stock	Features	Memory Size	Time Format	Date Format	Interface	Voltage - Supply	Voltage - Supply, Battery	Current - Timekeeping (Max)	Operating Temperature	Mounting Type	Package / Case	Supplier Device Package
M48T37Y-70MH1F	STMicroelectronics	IC RTC CLK/CALENDAR PAR 44-SOH Type: Clock/Calendar Features: Alarm, Leap Year, Watchdog Timer Memory Size: - Time Format: HH:MM:SS (24 hr) Date Format: YY-MM-DD-dd Interface: Parallel Voltage - Supply: 4.5 V ~ 5.5 V Voltage - Supply, Battery: - Current - Timekeeping (Max): 3mA @ 4.5V ~ 5.5V Operating Temperature: 0°C ~ 70°C Mounting Type: Surface Mount Package / Case: 44-BSOP (0.337", 8.56mm Width) requires SNAPHAT Supplier Device Package: 44-SOH	Package: 44-BSOP (0.337", 8.56mm Width) requires SNAPHAT	Stock14,016	Alarm, Leap Year, Watchdog Timer	-	HH:MM:SS (24 hr)	YY-MM-DD-dd	Parallel	4.5 V ~ 5.5 V	-	3mA @ 4.5V ~ 5.5V	0°C ~ 70°C	Surface Mount	44-BSOP (0.337", 8.56mm Width) requires SNAPHAT	44-SOH
M41T315V-85MH6F	STMicroelectronics	IC RTC PHANTOM SER 28-SOIC Type: Phantom Time Chip Features: Leap Year, Supervisor Memory Size: - Time Format: HH:MM:SS (12/24 hr) Date Format: YY-MM-DD-dd Interface: Serial Voltage - Supply: 3 V ~ 3.6 V Voltage - Supply, Battery: 2.5 V ~ 3.7 V Current - Timekeeping (Max): 2mA @ 2.7V ~ 3.6V Operating Temperature: -40°C ~ 85°C Mounting Type: Surface Mount Package / Case: 28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets Supplier Device Package: 28-SOH	Package: 28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets	Stock16,134	Leap Year, Supervisor	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	Serial	3 V ~ 3.6 V	2.5 V ~ 3.7 V	2mA @ 2.7V ~ 3.6V	-40°C ~ 85°C	Surface Mount	28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets	28-SOH
M41T83RMY6F	STMicroelectronics	IC RTC CLK/CALENDAR I2C 18-SOX Type: Clock/Calendar Features: Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer Memory Size: 7B Time Format: HH:MM:SS:hh (24 hr) Date Format: YY-MM-DD-dd Interface: I2C, 2-Wire Serial Voltage - Supply: 2.7 V ~ 5.5 V Voltage - Supply, Battery: 2 V ~ 5.5 V Current - Timekeeping (Max): 10µA @ 5.5V Operating Temperature: -40°C ~ 85°C Mounting Type: Surface Mount Package / Case: 18-SOX, 18-SOIC with Crystal (7.5mm Width) Supplier Device Package: 18-SOX	Package: 18-SOX, 18-SOIC with Crystal (7.5mm Width)	Stock14,544	Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer	7B	HH:MM:SS:hh (24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	2.7 V ~ 5.5 V	2 V ~ 5.5 V	10µA @ 5.5V	-40°C ~ 85°C	Surface Mount	18-SOX, 18-SOIC with Crystal (7.5mm Width)	18-SOX
M41T93RQA6F	STMicroelectronics	IC RTC CLK/CALENDAR SPI 16-QFN Type: Clock/Calendar Features: Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer Memory Size: 7B Time Format: HH:MM:SS:hh (24 hr) Date Format: YY-MM-DD-dd Interface: SPI Voltage - Supply: 2.7 V ~ 5.5 V Voltage - Supply, Battery: 1.8 V ~ 5.5 V Current - Timekeeping (Max): 10µA @ 5.5V Operating Temperature: -40°C ~ 85°C Mounting Type: Surface Mount Package / Case: 16-VQFN Exposed Pad Supplier Device Package: 16-QFN (4x4)	Package: 16-VQFN Exposed Pad	Stock2,400	Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer	7B	HH:MM:SS:hh (24 hr)	YY-MM-DD-dd	SPI	2.7 V ~ 5.5 V	1.8 V ~ 5.5 V	10µA @ 5.5V	-40°C ~ 85°C	Surface Mount	16-VQFN Exposed Pad	16-QFN (4x4)
M41T83ZQA6F	STMicroelectronics	IC RTC CLK/CALENDAR I2C 16-QFN Type: Clock/Calendar Features: Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer Memory Size: 7B Time Format: HH:MM:SS:hh (24 hr) Date Format: YY-MM-DD-dd Interface: I2C, 2-Wire Serial Voltage - Supply: 2.38 V ~ 5.5 V Voltage - Supply, Battery: 2 V ~ 5.5 V Current - Timekeeping (Max): 10µA @ 5.5V Operating Temperature: -40°C ~ 85°C Mounting Type: Surface Mount Package / Case: 16-VQFN Exposed Pad Supplier Device Package: 16-QFN (4x4)	Package: 16-VQFN Exposed Pad	Stock48,000	Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer	7B	HH:MM:SS:hh (24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	2.38 V ~ 5.5 V	2 V ~ 5.5 V	10µA @ 5.5V	-40°C ~ 85°C	Surface Mount	16-VQFN Exposed Pad	16-QFN (4x4)
M41T65Q6F	STMicroelectronics	IC RTC CLK/CALENDAR I2C 16-QFN Type: Clock/Calendar Features: Alarm, Leap Year, Watchdog Timer Memory Size: - Time Format: HH:MM:SS:hh (24 hr) Date Format: YY-MM-DD-dd Interface: I2C, 2-Wire Serial Voltage - Supply: 1.3 V ~ 4.4 V Voltage - Supply, Battery: - Current - Timekeeping (Max): 0.7µA ~ 0.95µA @ 1.3V ~ 4.4V Operating Temperature: -40°C ~ 85°C Mounting Type: Surface Mount Package / Case: 16-VFQFN Exposed Pad Supplier Device Package: 16-QFN (3x3)	Package: 16-VFQFN Exposed Pad	Stock15,756	Alarm, Leap Year, Watchdog Timer	-	HH:MM:SS:hh (24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	1.3 V ~ 4.4 V	-	0.7µA ~ 0.95µA @ 1.3V ~ 4.4V	-40°C ~ 85°C	Surface Mount	16-VFQFN Exposed Pad	16-QFN (3x3)
M48T18-150PC1	STMicroelectronics	IC RTC CLK/CALENDAR PAR 28DIP Type: Clock/Calendar Features: Leap Year, Watchdog Timer Memory Size: - Time Format: HH:MM:SS (24 hr) Date Format: YY-MM-DD-dd Interface: Parallel Voltage - Supply: 4.5 V ~ 5.5 V Voltage - Supply, Battery: - Current - Timekeeping (Max): 3mA @ 4.5V ~ 5.5V Operating Temperature: 0°C ~ 70°C Mounting Type: Through Hole Package / Case: 28-DIP Module (0.600", 15.24mm) Supplier Device Package: 28-PCDIP, CAPHAT?	Package: 28-DIP Module (0.600", 15.24mm)	Stock6,512	Leap Year, Watchdog Timer	-	HH:MM:SS (24 hr)	YY-MM-DD-dd	Parallel	4.5 V ~ 5.5 V	-	3mA @ 4.5V ~ 5.5V	0°C ~ 70°C	Through Hole	28-DIP Module (0.600", 15.24mm)	28-PCDIP, CAPHAT?
M48T35AV-10MH1F	STMicroelectronics	IC RTC CLK/CALENDAR PAR 28SOH Type: Clock/Calendar Features: Leap Year Memory Size: - Time Format: HH:MM:SS (24 hr) Date Format: YY-MM-DD-dd Interface: Parallel Voltage - Supply: 3 V ~ 3.6 V Voltage - Supply, Battery: - Current - Timekeeping (Max): 2mA @ 3V ~ 3.6V Operating Temperature: 0°C ~ 70°C Mounting Type: Surface Mount Package / Case: 28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets Supplier Device Package: 28-SOH	Package: 28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets	Stock9,204	Leap Year	-	HH:MM:SS (24 hr)	YY-MM-DD-dd	Parallel	3 V ~ 3.6 V	-	2mA @ 3V ~ 3.6V	0°C ~ 70°C	Surface Mount	28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets	28-SOH
M48T201V-85MH1F	STMicroelectronics	IC RTC CLK/CALENDAR PAR 44-SOH Type: Clock/Calendar Features: Alarm, Leap Year, Square Wave Output, Supervisor, Watchdog Timer, Y2K Memory Size: - Time Format: HH:MM:SS (24 hr) Date Format: YY-MM-DD-dd Interface: Parallel Voltage - Supply: 3 V ~ 3.6 V Voltage - Supply, Battery: 3V Current - Timekeeping (Max): 2mA @ 3V ~ 3.6V Operating Temperature: 0°C ~ 70°C Mounting Type: Surface Mount Package / Case: 44-BSOP (0.337", 8.56mm Width) requires SNAPHAT Supplier Device Package: 44-SOH	Package: 44-BSOP (0.337", 8.56mm Width) requires SNAPHAT	Stock73,440	Alarm, Leap Year, Square Wave Output, Supervisor, Watchdog Timer, Y2K	-	HH:MM:SS (24 hr)	YY-MM-DD-dd	Parallel	3 V ~ 3.6 V	3V	2mA @ 3V ~ 3.6V	0°C ~ 70°C	Surface Mount	44-BSOP (0.337", 8.56mm Width) requires SNAPHAT	44-SOH
M48T58Y-70MH1F	STMicroelectronics	IC RTC CLK/CALENDAR PAR 28-SOH Type: Clock/Calendar Features: Leap Year Memory Size: - Time Format: HH:MM:SS (24 hr) Date Format: YY-MM-DD-dd Interface: Parallel Voltage - Supply: 4.5 V ~ 5.5 V Voltage - Supply, Battery: - Current - Timekeeping (Max): 3mA @ 4.5V ~ 5.5V Operating Temperature: 0°C ~ 70°C Mounting Type: Surface Mount Package / Case: 28-SOIC (0.337", 8.56mm Width) with SNAPHAT Sockets Supplier Device Package: 28-SOH	Package: 28-SOIC (0.337", 8.56mm Width) with SNAPHAT Sockets	Stock5,200	Leap Year	-	HH:MM:SS (24 hr)	YY-MM-DD-dd	Parallel	4.5 V ~ 5.5 V	-	3mA @ 4.5V ~ 5.5V	0°C ~ 70°C	Surface Mount	28-SOIC (0.337", 8.56mm Width) with SNAPHAT Sockets	28-SOH
M48T201Y-70MH1F	STMicroelectronics	IC RTC CLK/CALENDAR PAR 44-SOH Type: Clock/Calendar Features: Alarm, Leap Year, Square Wave Output, Supervisor, Watchdog Timer, Y2K Memory Size: - Time Format: HH:MM:SS (24 hr) Date Format: YY-MM-DD-dd Interface: Parallel Voltage - Supply: 4.5 V ~ 5.5 V Voltage - Supply, Battery: 3V Current - Timekeeping (Max): 3mA @ 4.5V ~ 5.5V Operating Temperature: 0°C ~ 70°C Mounting Type: Surface Mount Package / Case: 44-BSOP (0.337", 8.56mm Width) requires SNAPHAT Supplier Device Package: 44-SOH	Package: 44-BSOP (0.337", 8.56mm Width) requires SNAPHAT	Stock2,304	Alarm, Leap Year, Square Wave Output, Supervisor, Watchdog Timer, Y2K	-	HH:MM:SS (24 hr)	YY-MM-DD-dd	Parallel	4.5 V ~ 5.5 V	3V	3mA @ 4.5V ~ 5.5V	0°C ~ 70°C	Surface Mount	44-BSOP (0.337", 8.56mm Width) requires SNAPHAT	44-SOH
M41ST85WMH6F	STMicroelectronics	IC RTC CLK/CALENDAR I2C 28-SOIC Type: Clock/Calendar Features: Alarm, Leap Year, NVSRAM, Square Wave Output, Supervisor, Watchdog Timer Memory Size: 44B Time Format: HH:MM:SS:hh (24 hr) Date Format: YY-MM-DD-dd Interface: I2C, 2-Wire Serial Voltage - Supply: 2.7 V ~ 3.6 V Voltage - Supply, Battery: 2.5 V ~ 3.5 V Current - Timekeeping (Max): 0.5mA @ 2.7V ~ 3.6V Operating Temperature: -40°C ~ 85°C Mounting Type: Surface Mount Package / Case: 28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets Supplier Device Package: 28-SOH	Package: 28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets	Stock123,900	Alarm, Leap Year, NVSRAM, Square Wave Output, Supervisor, Watchdog Timer	44B	HH:MM:SS:hh (24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	2.7 V ~ 3.6 V	2.5 V ~ 3.5 V	0.5mA @ 2.7V ~ 3.6V	-40°C ~ 85°C	Surface Mount	28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets	28-SOH
M41ST87WMX6TR	STMicroelectronics	IC RTC CLK/CALENDAR I2C 28-SOIC Type: Clock/Calendar Features: Alarm, Leap Year, NVSRAM, Square Wave Output, Supervisor, Watchdog Timer Memory Size: 128B Time Format: HH:MM:SS:hh (24 hr) Date Format: YY-MM-DD-dd Interface: I2C, 2-Wire Serial Voltage - Supply: 2.7 V ~ 3.6 V Voltage - Supply, Battery: 2.5 V ~ 3.6 V Current - Timekeeping (Max): 0.5mA @ 2.7V ~ 3.6V Operating Temperature: -40°C ~ 85°C Mounting Type: Surface Mount Package / Case: 28-SOIC (0.295", 7.50mm Width) Supplier Device Package: 28-SOX	Package: 28-SOIC (0.295", 7.50mm Width)	Stock239,544	Alarm, Leap Year, NVSRAM, Square Wave Output, Supervisor, Watchdog Timer	128B	HH:MM:SS:hh (24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	2.7 V ~ 3.6 V	2.5 V ~ 3.6 V	0.5mA @ 2.7V ~ 3.6V	-40°C ~ 85°C	Surface Mount	28-SOIC (0.295", 7.50mm Width)	28-SOX
M41ST87WSS6F	STMicroelectronics	IC RTC CLK/CALENDAR I2C 20-SSOP Type: Clock/Calendar Features: Alarm, Leap Year, NVSRAM, Square Wave Output, Supervisor, Watchdog Timer Memory Size: 128B Time Format: HH:MM:SS:hh (24 hr) Date Format: YY-MM-DD-dd Interface: I2C, 2-Wire Serial Voltage - Supply: 2.7 V ~ 3.6 V Voltage - Supply, Battery: 2.5 V ~ 3.6 V Current - Timekeeping (Max): 0.5mA @ 2.7V ~ 3.6V Operating Temperature: -40°C ~ 85°C Mounting Type: Surface Mount Package / Case: 20-SSOP (0.209", 5.30mm Width) Supplier Device Package: 20-SSOP	Package: 20-SSOP (0.209", 5.30mm Width)	Stock4,912	Alarm, Leap Year, NVSRAM, Square Wave Output, Supervisor, Watchdog Timer	128B	HH:MM:SS:hh (24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	2.7 V ~ 3.6 V	2.5 V ~ 3.6 V	0.5mA @ 2.7V ~ 3.6V	-40°C ~ 85°C	Surface Mount	20-SSOP (0.209", 5.30mm Width)	20-SSOP
M41T11MH6F	STMicroelectronics	IC RTC CLK/CALENDAR I2C 28-SOIC Type: Clock/Calendar Features: Leap Year, NVSRAM Memory Size: 56B Time Format: HH:MM:SS Date Format: YY-MM-DD-dd Interface: I2C, 2-Wire Serial Voltage - Supply: 2 V ~ 5.5 V Voltage - Supply, Battery: 2.5 V ~ 3.5 V Current - Timekeeping (Max): 70µA @ 2V ~ 5.5V Operating Temperature: -40°C ~ 85°C Mounting Type: Surface Mount Package / Case: 28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets Supplier Device Package: 28-SOH	Package: 28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets	Stock3,696	Leap Year, NVSRAM	56B	HH:MM:SS	YY-MM-DD-dd	I2C, 2-Wire Serial	2 V ~ 5.5 V	2.5 V ~ 3.5 V	70µA @ 2V ~ 5.5V	-40°C ~ 85°C	Surface Mount	28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets	28-SOH
M41T93ZMY6F	STMicroelectronics	IC RTC CLK/CALENDAR SPI 18-SOX Type: Clock/Calendar Features: Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer Memory Size: 7B Time Format: HH:MM:SS:hh (24 hr) Date Format: YY-MM-DD-dd Interface: SPI Voltage - Supply: 2.38 V ~ 5.5 V Voltage - Supply, Battery: 1.8 V ~ 5.5 V Current - Timekeeping (Max): 10µA @ 5.5V Operating Temperature: -40°C ~ 85°C Mounting Type: Surface Mount Package / Case: 18-SOX, 18-SOIC with Crystal (7.5mm Width) Supplier Device Package: 18-SOX	Package: 18-SOX, 18-SOIC with Crystal (7.5mm Width)	Stock6,640	Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer	7B	HH:MM:SS:hh (24 hr)	YY-MM-DD-dd	SPI	2.38 V ~ 5.5 V	1.8 V ~ 5.5 V	10µA @ 5.5V	-40°C ~ 85°C	Surface Mount	18-SOX, 18-SOIC with Crystal (7.5mm Width)	18-SOX
M41T93RMY6F	STMicroelectronics	IC RTC CLK/CALENDAR SPI 18-SOX Type: Clock/Calendar Features: Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer Memory Size: 7B Time Format: HH:MM:SS:hh (24 hr) Date Format: YY-MM-DD-dd Interface: SPI Voltage - Supply: 2.7 V ~ 5.5 V Voltage - Supply, Battery: 1.8 V ~ 5.5 V Current - Timekeeping (Max): 10µA @ 5.5V Operating Temperature: -40°C ~ 85°C Mounting Type: Surface Mount Package / Case: 18-SOX, 18-SOIC with Crystal (7.5mm Width) Supplier Device Package: 18-SOX	Package: 18-SOX, 18-SOIC with Crystal (7.5mm Width)	Stock5,824	Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer	7B	HH:MM:SS:hh (24 hr)	YY-MM-DD-dd	SPI	2.7 V ~ 5.5 V	1.8 V ~ 5.5 V	10µA @ 5.5V	-40°C ~ 85°C	Surface Mount	18-SOX, 18-SOIC with Crystal (7.5mm Width)	18-SOX
M41T81SMY6F	STMicroelectronics	IC RTC CLK/CALENDAR I2C 18-SOIC Type: Clock/Calendar Features: Alarm, Leap Year, Square Wave Output, Watchdog Timer Memory Size: - Time Format: HH:MM:SS:hh (24 hr) Date Format: YY-MM-DD-dd Interface: I2C, 2-Wire Serial Voltage - Supply: 2.7 V ~ 5.5 V Voltage - Supply, Battery: 2 V ~ 3.5 V Current - Timekeeping (Max): 100µA @ 2.7V ~ 5.5V Operating Temperature: -40°C ~ 85°C Mounting Type: Surface Mount Package / Case: 18-SOX, 18-SOIC with Crystal (7.5mm Width) Supplier Device Package: 18-SOX	Package: 18-SOX, 18-SOIC with Crystal (7.5mm Width)	Stock5,808	Alarm, Leap Year, Square Wave Output, Watchdog Timer	-	HH:MM:SS:hh (24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	2.7 V ~ 5.5 V	2 V ~ 3.5 V	100µA @ 2.7V ~ 5.5V	-40°C ~ 85°C	Surface Mount	18-SOX, 18-SOIC with Crystal (7.5mm Width)	18-SOX
M41T93ZQA6F	STMicroelectronics	IC RTC CLK/CALENDAR SPI 16-QFN Type: Clock/Calendar Features: Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer Memory Size: 7B Time Format: HH:MM:SS:hh (24 hr) Date Format: YY-MM-DD-dd Interface: SPI Voltage - Supply: 2.38 V ~ 5.5 V Voltage - Supply, Battery: 1.8 V ~ 5.5 V Current - Timekeeping (Max): 10µA @ 5.5V Operating Temperature: -40°C ~ 85°C Mounting Type: Surface Mount Package / Case: 16-VQFN Exposed Pad Supplier Device Package: 16-QFN (4x4)	Package: 16-VQFN Exposed Pad	Stock5,088	Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer	7B	HH:MM:SS:hh (24 hr)	YY-MM-DD-dd	SPI	2.38 V ~ 5.5 V	1.8 V ~ 5.5 V	10µA @ 5.5V	-40°C ~ 85°C	Surface Mount	16-VQFN Exposed Pad	16-QFN (4x4)
M41T83SQA6F	STMicroelectronics	IC RTC CLK/CALENDAR I2C 16-QFN Type: Clock/Calendar Features: Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer Memory Size: 7B Time Format: HH:MM:SS:hh (24 hr) Date Format: YY-MM-DD-dd Interface: I2C, 2-Wire Serial Voltage - Supply: 3 V ~ 5.5 V Voltage - Supply, Battery: 2 V ~ 5.5 V Current - Timekeeping (Max): 10µA @ 5.5V Operating Temperature: -40°C ~ 85°C Mounting Type: Surface Mount Package / Case: 16-VQFN Exposed Pad Supplier Device Package: 16-QFN (4x4)	Package: 16-VQFN Exposed Pad	Stock14,088	Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer	7B	HH:MM:SS:hh (24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	3 V ~ 5.5 V	2 V ~ 5.5 V	10µA @ 5.5V	-40°C ~ 85°C	Surface Mount	16-VQFN Exposed Pad	16-QFN (4x4)
M41T82RM6F	STMicroelectronics	IC RTC CLK/CALENDAR I2C 8-SOIC Type: Clock/Calendar Features: Alarm, Leap Year, SRAM, Watchdog Timer Memory Size: 7B Time Format: HH:MM:SS:hh (24 hr) Date Format: YY-MM-DD-dd Interface: I2C, 2-Wire Serial Voltage - Supply: 2.7 V ~ 5.5 V Voltage - Supply, Battery: 2 V ~ 5.5 V Current - Timekeeping (Max): 10µA @ 5.5V Operating Temperature: -40°C ~ 85°C Mounting Type: Surface Mount Package / Case: 8-SOIC (0.154", 3.90mm Width) Supplier Device Package: 8-SO	Package: 8-SOIC (0.154", 3.90mm Width)	Stock4,112	Alarm, Leap Year, SRAM, Watchdog Timer	7B	HH:MM:SS:hh (24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	2.7 V ~ 5.5 V	2 V ~ 5.5 V	10µA @ 5.5V	-40°C ~ 85°C	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SO
M41T82SM6F	STMicroelectronics	IC RTC CLK/CALENDAR I2C 8-SOIC Type: Clock/Calendar Features: Alarm, Leap Year, SRAM, Watchdog Timer Memory Size: 7B Time Format: HH:MM:SS:hh (24 hr) Date Format: YY-MM-DD-dd Interface: I2C, 2-Wire Serial Voltage - Supply: 3 V ~ 5.5 V Voltage - Supply, Battery: 2 V ~ 5.5 V Current - Timekeeping (Max): 10µA @ 5.5V Operating Temperature: -40°C ~ 85°C Mounting Type: Surface Mount Package / Case: 8-SOIC (0.154", 3.90mm Width) Supplier Device Package: 8-SO	Package: 8-SOIC (0.154", 3.90mm Width)	Stock3,088	Alarm, Leap Year, SRAM, Watchdog Timer	7B	HH:MM:SS:hh (24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	3 V ~ 5.5 V	2 V ~ 5.5 V	10µA @ 5.5V	-40°C ~ 85°C	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SO
M41T64Q6F	STMicroelectronics	IC RTC CLK/CALENDAR I2C 16-QFN Type: Clock/Calendar Features: Alarm, Leap Year, Square Wave Output, Watchdog Timer Memory Size: - Time Format: HH:MM:SS:hh (24 hr) Date Format: YY-MM-DD-dd Interface: I2C, 2-Wire Serial Voltage - Supply: 1.3 V ~ 4.4 V Voltage - Supply, Battery: - Current - Timekeeping (Max): 0.7µA ~ 0.95µA @ 1.3V ~ 4.4V Operating Temperature: -40°C ~ 85°C Mounting Type: Surface Mount Package / Case: 16-VFQFN Exposed Pad Supplier Device Package: 16-QFN (3x3)	Package: 16-VFQFN Exposed Pad	Stock245,724	Alarm, Leap Year, Square Wave Output, Watchdog Timer	-	HH:MM:SS:hh (24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	1.3 V ~ 4.4 V	-	0.7µA ~ 0.95µA @ 1.3V ~ 4.4V	-40°C ~ 85°C	Surface Mount	16-VFQFN Exposed Pad	16-QFN (3x3)
M41T66Q6F	STMicroelectronics	IC RTC CLK/CALENDAR I2C 16-QFN Type: Clock/Calendar Features: Alarm, Leap Year, Square Wave Output, Watchdog Timer Memory Size: - Time Format: HH:MM:SS:hh (24 hr) Date Format: YY-MM-DD-dd Interface: I2C, 2-Wire Serial Voltage - Supply: 1.5 V ~ 4.4 V Voltage - Supply, Battery: - Current - Timekeeping (Max): 0.9µA ~ 1.1µA @ 1.5V ~ 4.4V Operating Temperature: -40°C ~ 85°C Mounting Type: Surface Mount Package / Case: 16-VFQFN Exposed Pad Supplier Device Package: 16-QFN (3x3)	Package: 16-VFQFN Exposed Pad	Stock1,688,736	Alarm, Leap Year, Square Wave Output, Watchdog Timer	-	HH:MM:SS:hh (24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	1.5 V ~ 4.4 V	-	0.9µA ~ 1.1µA @ 1.5V ~ 4.4V	-40°C ~ 85°C	Surface Mount	16-VFQFN Exposed Pad	16-QFN (3x3)
M41T60Q6F	STMicroelectronics	IC RTC CLK/CALENDAR I2C 16-QFN Type: Clock/Calendar Features: Leap Year Memory Size: - Time Format: HH:MM:SS (24 hr) Date Format: YY-MM-DD-dd Interface: I2C, 2-Wire Serial Voltage - Supply: 1.3 V ~ 4.4 V Voltage - Supply, Battery: - Current - Timekeeping (Max): 0.7µA ~ 0.95µA @ 3.6V ~ 4.4V Operating Temperature: -40°C ~ 85°C Mounting Type: Surface Mount Package / Case: 16-VFQFN Exposed Pad Supplier Device Package: 16-QFN (3x3)	Package: 16-VFQFN Exposed Pad	Stock34,356	Leap Year	-	HH:MM:SS (24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	1.3 V ~ 4.4 V	-	0.7µA ~ 0.95µA @ 3.6V ~ 4.4V	-40°C ~ 85°C	Surface Mount	16-VFQFN Exposed Pad	16-QFN (3x3)
M48T35-70PC1	STMicroelectronics	IC RTC CLK/CALENDAR PAR 28DIP Type: Clock/Calendar Features: Leap Year Memory Size: - Time Format: HH:MM:SS (24 hr) Date Format: YY-MM-DD-dd Interface: Parallel Voltage - Supply: 4.75 V ~ 5.5 V Voltage - Supply, Battery: - Current - Timekeeping (Max): 2mA @ 4.75V ~ 5.5V Operating Temperature: 0°C ~ 70°C Mounting Type: Through Hole Package / Case: 28-DIP Module (0.600", 15.24mm) Supplier Device Package: 28-PCDIP, CAPHAT?	Package: 28-DIP Module (0.600", 15.24mm)	Stock6,352	Leap Year	-	HH:MM:SS (24 hr)	YY-MM-DD-dd	Parallel	4.75 V ~ 5.5 V	-	2mA @ 4.75V ~ 5.5V	0°C ~ 70°C	Through Hole	28-DIP Module (0.600", 15.24mm)	28-PCDIP, CAPHAT?
M48T35AV-10PC1	STMicroelectronics	IC RTC CLK/CALENDAR PAR 28DIP Type: Clock/Calendar Features: Leap Year Memory Size: - Time Format: HH:MM:SS (24 hr) Date Format: YY-MM-DD-dd Interface: Parallel Voltage - Supply: 3 V ~ 3.6 V Voltage - Supply, Battery: - Current - Timekeeping (Max): 2mA @ 3V ~ 3.6V Operating Temperature: 0°C ~ 70°C Mounting Type: Through Hole Package / Case: 28-DIP Module (0.600", 15.24mm) Supplier Device Package: 28-PCDIP, CAPHAT?	Package: 28-DIP Module (0.600", 15.24mm)	Stock6,400	Leap Year	-	HH:MM:SS (24 hr)	YY-MM-DD-dd	Parallel	3 V ~ 3.6 V	-	2mA @ 3V ~ 3.6V	0°C ~ 70°C	Through Hole	28-DIP Module (0.600", 15.24mm)	28-PCDIP, CAPHAT?
M41T80M6F	STMicroelectronics	IC RTC CLK/CALENDAR I2C 8-SOIC Type: Clock/Calendar Features: Alarm, Leap Year, Square Wave Output Memory Size: - Time Format: HH:MM:SS:hh (24 hr) Date Format: YY-MM-DD-dd Interface: I2C, 2-Wire Serial Voltage - Supply: 2 V ~ 5.5 V Voltage - Supply, Battery: - Current - Timekeeping (Max): 2.4µA ~ 31µA @ 2V ~ 5.5V Operating Temperature: -40°C ~ 85°C Mounting Type: Surface Mount Package / Case: 8-SOIC (0.154", 3.90mm Width) Supplier Device Package: 8-SO	Package: 8-SOIC (0.154", 3.90mm Width)	Stock2,335,152	Alarm, Leap Year, Square Wave Output	-	HH:MM:SS:hh (24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	2 V ~ 5.5 V	-	2.4µA ~ 31µA @ 2V ~ 5.5V	-40°C ~ 85°C	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SO