STMicroelectronics Products - Clock/Timing - Real Time Clocks

M48T18-100PC1
STMicroelectronics

IC RTC CLK/CALENDAR PAR 28DIP

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

Stock10,416
M48T12-150PC1
STMicroelectronics

IC RTC CLK/CALENDAR PAR 24DIP

Package: 24-DIP Module (0.600", 15.24mm)

Stock20,472
M48T02-150PC1
STMicroelectronics

IC RTC CLK/CALENDAR PAR 24DIP

Package: 24-DIP Module (0.600", 15.24mm)

Stock20,688
M48T35Y-70MH1F
STMicroelectronics

IC RTC CLK/CALENDAR PAR 28SOH

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

Stock6,592
M41T00CAPPC1
STMicroelectronics

IC RTC CLK/CALENDAR I2C 24-DIP

Package: 24-DIP (0.600", 15.24mm)

Stock18,648
M48T08-150PC1
STMicroelectronics

IC RTC CLK/CALENDAR PAR 28DIP

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

Stock16,152
M48T35Y-70PC1
STMicroelectronics

IC RTC CLK/CALENDAR PAR 28DIP

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

Stock29,028
M48T08-100PC1
STMicroelectronics

IC RTC CLK/CALENDAR PAR 28DIP

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

Stock8,628
M48T58-70PC1
STMicroelectronics

IC RTC CLK/CALENDAR PAR 28DIP

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

Stock15,684
M48T58Y-70PC1
STMicroelectronics

IC RTC CLK/CALENDAR PAR 28-DIP

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

Stock7,232
M48T12-70PC1
STMicroelectronics

IC RTC CLK/CALENDAR PAR 24DIP

Package: 24-DIP Module (0.600", 15.24mm)

Stock6,880
M48T02-70PC1
STMicroelectronics

IC RTC CLK/CALENDAR PAR 24DIP

Package: 24-DIP Module (0.600", 15.24mm)

Stock5,984
M48T37V-10MH1F
STMicroelectronics

IC RTC CLK/CALENDAR PAR 44-SOH

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

Stock22,704
M41T94MH6F
STMicroelectronics

IC RTC CLK/CALENDAR SPI 28-SOIC

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

Stock23,328
M41ST85WMX6TR
STMicroelectronics

IC RTC CLK/CALENDAR I2C 28-SOIC

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

Stock12,468
M41T83ZMY6F
STMicroelectronics

IC RTC CLK/CALENDAR I2C 18-SOX

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

Stock3,648
M41T62LC6F
STMicroelectronics

IC RTC CLK/CALENDAR I2C 8LCC

Package: 8-LCC

Stock251,346
M41T94MQ6F
STMicroelectronics

IC RTC CLK/CALENDAR SPI 16-SOIC

Package: 16-SOIC (0.154", 3.90mm Width)

Stock32,700
M41T93SQA6F
STMicroelectronics

IC RTC CLK/CALENDAR SPI 16-QFN

Package: 16-VQFN Exposed Pad

Stock53,964
M41T56M6F
STMicroelectronics

IC RTC CLK/CALENDAR I2C 8-SOIC

Package: 8-SOIC (0.154", 3.90mm Width)

Stock3,077,592

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
M48T18-100PC1	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)	Stock10,416	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?
M48T12-150PC1	STMicroelectronics	IC RTC CLK/CALENDAR PAR 24DIP 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: Through Hole Package / Case: 24-DIP Module (0.600", 15.24mm) Supplier Device Package: 24-PCDIP, CAPHAT?	Package: 24-DIP Module (0.600", 15.24mm)	Stock20,472	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	Through Hole	24-DIP Module (0.600", 15.24mm)	24-PCDIP, CAPHAT?
M48T02-150PC1	STMicroelectronics	IC RTC CLK/CALENDAR PAR 24DIP 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): 3mA @ 4.7V ~ 5.5V Operating Temperature: 0°C ~ 70°C Mounting Type: Through Hole Package / Case: 24-DIP Module (0.600", 15.24mm) Supplier Device Package: 24-PCDIP, CAPHAT?	Package: 24-DIP Module (0.600", 15.24mm)	Stock20,688	Leap Year	-	HH:MM:SS (24 hr)	YY-MM-DD-dd	Parallel	4.75 V ~ 5.5 V	-	3mA @ 4.7V ~ 5.5V	0°C ~ 70°C	Through Hole	24-DIP Module (0.600", 15.24mm)	24-PCDIP, CAPHAT?
M48T35Y-70MH1F	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: 4.5 V ~ 5.5 V Voltage - Supply, Battery: - Current - Timekeeping (Max): 2mA @ 4.75V ~ 5.5V 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	Stock6,592	Leap Year	-	HH:MM:SS (24 hr)	YY-MM-DD-dd	Parallel	4.5 V ~ 5.5 V	-	2mA @ 4.75V ~ 5.5V	0°C ~ 70°C	Surface Mount	28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets	28-SOH
M41T00CAPPC1	STMicroelectronics	IC RTC CLK/CALENDAR I2C 24-DIP 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: 2.7 V ~ 5.5 V Voltage - Supply, Battery: Integrated Current - Timekeeping (Max): 70µA @ 2.7V ~ 5.5V Operating Temperature: 0°C ~ 70°C Mounting Type: Through Hole Package / Case: 24-DIP (0.600", 15.24mm) Supplier Device Package: 24-PCDIP, CAPHAT?	Package: 24-DIP (0.600", 15.24mm)	Stock18,648	Leap Year	-	HH:MM:SS (24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	2.7 V ~ 5.5 V	Integrated	70µA @ 2.7V ~ 5.5V	0°C ~ 70°C	Through Hole	24-DIP (0.600", 15.24mm)	24-PCDIP, CAPHAT?
M48T08-150PC1	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: 4.75 V ~ 5.5 V Voltage - Supply, Battery: - Current - Timekeeping (Max): 3mA @ 4.7V ~ 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)	Stock16,152	Leap Year, Watchdog Timer	-	HH:MM:SS (24 hr)	YY-MM-DD-dd	Parallel	4.75 V ~ 5.5 V	-	3mA @ 4.7V ~ 5.5V	0°C ~ 70°C	Through Hole	28-DIP Module (0.600", 15.24mm)	28-PCDIP, CAPHAT?
M48T35Y-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: 4.5 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)	Stock29,028	Leap Year	-	HH:MM:SS (24 hr)	YY-MM-DD-dd	Parallel	4.5 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?
M48T08-100PC1	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: 4.75 V ~ 5.5 V Voltage - Supply, Battery: - Current - Timekeeping (Max): 3mA @ 4.7V ~ 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)	Stock8,628	Leap Year, Watchdog Timer	-	HH:MM:SS (24 hr)	YY-MM-DD-dd	Parallel	4.75 V ~ 5.5 V	-	3mA @ 4.7V ~ 5.5V	0°C ~ 70°C	Through Hole	28-DIP Module (0.600", 15.24mm)	28-PCDIP, CAPHAT?
M48T58-70PC1	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): 3mA @ 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)	Stock15,684	Leap Year	-	HH:MM:SS (24 hr)	YY-MM-DD-dd	Parallel	4.75 V ~ 5.5 V	-	3mA @ 4.75V ~ 5.5V	0°C ~ 70°C	Through Hole	28-DIP Module (0.600", 15.24mm)	28-PCDIP, CAPHAT?
M48T58Y-70PC1	STMicroelectronics	IC RTC CLK/CALENDAR PAR 28-DIP 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: 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)	Stock7,232	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	Through Hole	28-DIP Module (0.600", 15.24mm)	28-PCDIP, CAPHAT?
M48T12-70PC1	STMicroelectronics	IC RTC CLK/CALENDAR PAR 24DIP 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: Through Hole Package / Case: 24-DIP Module (0.600", 15.24mm) Supplier Device Package: 24-PCDIP, CAPHAT?	Package: 24-DIP Module (0.600", 15.24mm)	Stock6,880	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	Through Hole	24-DIP Module (0.600", 15.24mm)	24-PCDIP, CAPHAT?
M48T02-70PC1	STMicroelectronics	IC RTC CLK/CALENDAR PAR 24DIP 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): 3mA @ 4.7V ~ 5.5V Operating Temperature: 0°C ~ 70°C Mounting Type: Through Hole Package / Case: 24-DIP Module (0.600", 15.24mm) Supplier Device Package: 24-PCDIP, CAPHAT?	Package: 24-DIP Module (0.600", 15.24mm)	Stock5,984	Leap Year	-	HH:MM:SS (24 hr)	YY-MM-DD-dd	Parallel	4.75 V ~ 5.5 V	-	3mA @ 4.7V ~ 5.5V	0°C ~ 70°C	Through Hole	24-DIP Module (0.600", 15.24mm)	24-PCDIP, CAPHAT?
M48T37V-10MH1F	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: 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: 44-BSOP (0.337", 8.56mm Width) requires SNAPHAT Supplier Device Package: 44-SOH	Package: 44-BSOP (0.337", 8.56mm Width) requires SNAPHAT	Stock22,704	Alarm, Leap Year, Watchdog Timer	-	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	44-BSOP (0.337", 8.56mm Width) requires SNAPHAT	44-SOH
M41T94MH6F	STMicroelectronics	IC RTC CLK/CALENDAR SPI 28-SOIC Type: Clock/Calendar Features: Alarm, Leap Year, NVRAM, Square Wave Output, Watchdog Timer Memory Size: 44B 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: 2.5 V ~ 3.5 V Current - Timekeeping (Max): 1.4mA @ 2.7V ~ 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	Stock23,328	Alarm, Leap Year, NVRAM, Square Wave Output, Watchdog Timer	44B	HH:MM:SS:hh (24 hr)	YY-MM-DD-dd	SPI	2.7 V ~ 5.5 V	2.5 V ~ 3.5 V	1.4mA @ 2.7V ~ 5.5V	-40°C ~ 85°C	Surface Mount	28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets	28-SOH
M41ST85WMX6TR	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-SOIC (0.295", 7.50mm Width) Supplier Device Package: 28-SOX	Package: 28-SOIC (0.295", 7.50mm Width)	Stock12,468	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-SOIC (0.295", 7.50mm Width)	28-SOX
M41T83ZMY6F	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: 2.38 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: 18-SOX, 18-SOIC with Crystal (7.5mm Width) Supplier Device Package: 18-SOX	Package: 18-SOX, 18-SOIC with Crystal (7.5mm Width)	Stock3,648	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	18-SOX, 18-SOIC with Crystal (7.5mm Width)	18-SOX
M41T62LC6F	STMicroelectronics	IC RTC CLK/CALENDAR I2C 8LCC 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: 8-LCC Supplier Device Package: 8-LCC (1.5x3.2)	Package: 8-LCC	Stock251,346	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	8-LCC	8-LCC (1.5x3.2)
M41T94MQ6F	STMicroelectronics	IC RTC CLK/CALENDAR SPI 16-SOIC Type: Clock/Calendar Features: Alarm, Leap Year, NVRAM, Square Wave Output, Watchdog Timer Memory Size: 44B 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: 2.5 V ~ 3.5 V Current - Timekeeping (Max): 1.4mA @ 2.7V ~ 5.5V Operating Temperature: -40°C ~ 85°C Mounting Type: Surface Mount Package / Case: 16-SOIC (0.154", 3.90mm Width) Supplier Device Package: 16-SO	Package: 16-SOIC (0.154", 3.90mm Width)	Stock32,700	Alarm, Leap Year, NVRAM, Square Wave Output, Watchdog Timer	44B	HH:MM:SS:hh (24 hr)	YY-MM-DD-dd	SPI	2.7 V ~ 5.5 V	2.5 V ~ 3.5 V	1.4mA @ 2.7V ~ 5.5V	-40°C ~ 85°C	Surface Mount	16-SOIC (0.154", 3.90mm Width)	16-SO
M41T93SQA6F	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: 3 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	Stock53,964	Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer	7B	HH:MM:SS:hh (24 hr)	YY-MM-DD-dd	SPI	3 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)
M41T56M6F	STMicroelectronics	IC RTC CLK/CALENDAR I2C 8-SOIC Type: Clock/Calendar Features: Leap Year, NVSRAM Memory Size: 56B Time Format: HH:MM:SS (24 hr) Date Format: YY-MM-DD-dd Interface: I2C, 2-Wire Serial Voltage - Supply: 4.5 V ~ 5.5 V Voltage - Supply, Battery: 2.5 V ~ 3.5 V Current - Timekeeping (Max): 100µA (Typ) @ 4.5V ~ 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)	Stock3,077,592	Leap Year, NVSRAM	56B	HH:MM:SS (24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	4.5 V ~ 5.5 V	2.5 V ~ 3.5 V	100µA (Typ) @ 4.5V ~ 5.5V	-40°C ~ 85°C	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SO
M41T11M6F	STMicroelectronics	IC RTC CLK/CALENDAR I2C 8-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: 8-SOIC (0.154", 3.90mm Width) Supplier Device Package: 8-SO	Package: 8-SOIC (0.154", 3.90mm Width)	Stock2,203,800	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	8-SOIC (0.154", 3.90mm Width)	8-SO
M41T00SM6F	STMicroelectronics	IC RTC CLK/CALENDAR I2C 8-SOIC 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: 2.7 V ~ 5.5 V Voltage - Supply, Battery: 2 V ~ 3.5 V Current - Timekeeping (Max): 70µA @ 2.7V ~ 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)	Stock750,768	Leap Year	-	HH:MM:SS (24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	2.7 V ~ 5.5 V	2 V ~ 3.5 V	70µA @ 2.7V ~ 5.5V	-40°C ~ 85°C	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SO
M41T00M6F	STMicroelectronics	IC RTC CLK/CALENDAR I2C 8-SOIC Type: Clock/Calendar Features: Leap Year Memory Size: - 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: 8-SOIC (0.154", 3.90mm Width) Supplier Device Package: 8-SO	Package: 8-SOIC (0.154", 3.90mm Width)	Stock999,024	Leap Year	-	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	8-SOIC (0.154", 3.90mm Width)	8-SO
M41T81M6F	STMicroelectronics	IC RTC CLK/CALENDAR I2C 8-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 V ~ 5.5 V Voltage - Supply, Battery: 2.5 V ~ 3.5 V Current - Timekeeping (Max): 100µA @ 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)	Stock436,488	Alarm, Leap Year, Square Wave Output, Watchdog Timer	-	HH:MM:SS:hh (24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	2 V ~ 5.5 V	2.5 V ~ 3.5 V	100µA @ 2V ~ 5.5V	-40°C ~ 85°C	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SO
M41T81SM6F	STMicroelectronics	IC RTC CLK/CALENDAR I2C 8-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: 8-SOIC (0.154", 3.90mm Width) Supplier Device Package: 8-SO	Package: 8-SOIC (0.154", 3.90mm Width)	Stock109,536	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	8-SOIC (0.154", 3.90mm Width)	8-SO
M41T82ZM6F	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: 2.38 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: 8-SOIC (0.154", 3.90mm Width) Supplier Device Package: 8-SO	Package: 8-SOIC (0.154", 3.90mm Width)	Stock48,270	Alarm, Leap Year, 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	8-SOIC (0.154", 3.90mm Width)	8-SO
M41T0M6F	STMicroelectronics	IC RTC CLK/CALENDAR I2C 8-SOIC Type: Clock/Calendar Features: - Memory Size: - 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: - Current - Timekeeping (Max): 1.2µA ~ 31µA @ 3V ~ 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)	Stock84,324	-	-	HH:MM:SS	YY-MM-DD-dd	I2C, 2-Wire Serial	2 V ~ 5.5 V	-	1.2µA ~ 31µA @ 3V ~ 5.5V	-40°C ~ 85°C	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SO
M41T62Q6F	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	Stock399,360	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)