Page 95 - Clock/Timing - Real Time Clocks | Integrated Circuits (ICs)

PCF2129AT/1,512
NXP

IC RTC CLK/CALENDAR I2C 20-SOIC

Package: 20-SOIC (0.295", 7.50mm Width)

Stock4,848
X1288V14I-4.5AT1
Intersil

IC RTC CLK/CALENDAR I2C 14-TSSOP

Package: 14-TSSOP (0.173", 4.40mm Width)

Stock2,976
X1227V8IZ-2.7
Intersil

IC RTC CLK/CALENDAR I2C 8-TSSOP

Package: 8-TSSOP (0.173", 4.40mm Width)

Stock5,632
X1227S8I-2.7AT1
Intersil

IC RTC CLK/CALENDAR I2C 8-SOIC

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

Stock5,136
DS1689S+
Maxim Integrated

IC RTC CLK/CALENDAR PAR 28-SOIC

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

Stock3,200
DS1306EN/T&R
Maxim Integrated

IC RTC CLK/CALENDAR SPI 20-TSSOP

Package: 20-TSSOP (0.173", 4.40mm Width)

Stock4,800
DS1747-70
Maxim Integrated

IC RTC CLK/CALENDAR PAR 32-EDIP

Package: 32-DIP Module (0.600", 15.24mm)

Stock4,608
DS1642-70
Maxim Integrated

IC RTC CLK/CALENDAR PAR 24-EDIP

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

Stock4,320
DS1315EN-5
Maxim Integrated

IC T-CHIP PHANTOM 5V IND 20TSSOP

Package: 20-TSSOP (0.173", 4.40mm Width)

Stock4,368
DS17885E-5
Maxim Integrated

IC RTC CLK/CALENDAR PAR 28-TSOP

Package: 28-TSSOP (0.465", 11.80mm Width)

Stock5,440
DS1243Y-120
Maxim Integrated

IC RTC PHANTOM PAR 28-DIP

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

Stock3,456
1339-31DCGI
IDT, Integrated Device Technology Inc

IC RTC CLK/CALENDAR I2C 8-SOIC

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

Stock2,192
1339-31DVGI
IDT, Integrated Device Technology Inc

IC RTC CLK/CALENDAR I2C 8-MSOP

Package: 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)

Stock6,576
1337AGDVGI8
IDT, Integrated Device Technology Inc

IC RTC CLK/CALENDAR I2C 8-TSSOP

Package: 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)

Stock5,088
M41T315V-85MH6F
STMicroelectronics

IC RTC PHANTOM SER 28-SOIC

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

Stock16,134
PCF2123BS/1,512
NXP

IC RTC CLK/CALENDAR SPI 16-HVQFN

Package: 16-VFQFN Exposed Pad

Stock12,900
MCP79402-I/ST
Microchip Technology

IC RTC CLK/CALENDAR I2C 8-TSSOP

Package: 8-TSSOP (0.173", 4.40mm Width)

Stock9,144
MCP79401-I/SN
Microchip Technology

IC RTC CLK/CALENDAR I2C 8-SOIC

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

Stock6,560
DS1744P-70+
Maxim Integrated

IC RTC CLK/CALENDAR PAR 34-PCM

Package: 34-PowerCap? Module

Stock4,032
DS1338U-33+T&R
Maxim Integrated

IC RTC CLK/CALENDAR I2C 8-USOP

Package: 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)

Stock16,140

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
PCF2129AT/1,512	NXP	IC RTC CLK/CALENDAR I2C 20-SOIC Type: Clock/Calendar Features: Alarm, Leap Year, Square Wave Output, TCXO/Crystal, Watchdog Timer Memory Size: - Time Format: HH:MM:SS (12/24 hr) Date Format: YY-MM-DD-dd Interface: I2C, 2-Wire Serial Voltage - Supply: 1.8 V ~ 4.2 V Voltage - Supply, Battery: 1.8 V ~ 4.2 V Current - Timekeeping (Max): 1.5µA @ 3.3V Operating Temperature: -40°C ~ 85°C Mounting Type: Surface Mount Package / Case: 20-SOIC (0.295", 7.50mm Width) Supplier Device Package: 20-SO	Package: 20-SOIC (0.295", 7.50mm Width)	Stock4,848	Alarm, Leap Year, Square Wave Output, TCXO/Crystal, Watchdog Timer	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	1.8 V ~ 4.2 V	1.8 V ~ 4.2 V	1.5µA @ 3.3V	-40°C ~ 85°C	Surface Mount	20-SOIC (0.295", 7.50mm Width)	20-SO
X1288V14I-4.5AT1	Intersil	IC RTC CLK/CALENDAR I2C 14-TSSOP Type: Clock/Calendar Features: Alarm, Leap Year, Supervisor, Watchdog Timer Memory Size: - Time Format: HH:MM:SS:hh (12/24 hr) Date Format: YY-MM-DD-dd Interface: I2C, 2-Wire Serial Voltage - Supply: 4.5 V ~ 5.5 V Voltage - Supply, Battery: 1.8 V ~ 5.5 V Current - Timekeeping (Max): 10µA ~ 20µA @ 2.7V ~ 5V Operating Temperature: -40°C ~ 85°C Mounting Type: Surface Mount Package / Case: 14-TSSOP (0.173", 4.40mm Width) Supplier Device Package: 14-TSSOP	Package: 14-TSSOP (0.173", 4.40mm Width)	Stock2,976	Alarm, Leap Year, Supervisor, Watchdog Timer	-	HH:MM:SS:hh (12/24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	4.5 V ~ 5.5 V	1.8 V ~ 5.5 V	10µA ~ 20µA @ 2.7V ~ 5V	-40°C ~ 85°C	Surface Mount	14-TSSOP (0.173", 4.40mm Width)	14-TSSOP
X1227V8IZ-2.7	Intersil	IC RTC CLK/CALENDAR I2C 8-TSSOP Type: Clock/Calendar Features: Alarm, Leap Year, Supervisor, Watchdog Timer Memory Size: - Time Format: HH:MM:SS (12/24 hr) Date Format: YY-MM-DD-dd Interface: I2C, 2-Wire Serial Voltage - Supply: 2.7 V ~ 5.5 V Voltage - Supply, Battery: 1.8 V ~ 5.5 V Current - Timekeeping (Max): 10µA ~ 20µA @ 2.7V ~ 5V Operating Temperature: -40°C ~ 85°C Mounting Type: Surface Mount Package / Case: 8-TSSOP (0.173", 4.40mm Width) Supplier Device Package: 8-TSSOP	Package: 8-TSSOP (0.173", 4.40mm Width)	Stock5,632	Alarm, Leap Year, Supervisor, Watchdog Timer	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	2.7 V ~ 5.5 V	1.8 V ~ 5.5 V	10µA ~ 20µA @ 2.7V ~ 5V	-40°C ~ 85°C	Surface Mount	8-TSSOP (0.173", 4.40mm Width)	8-TSSOP
X1227S8I-2.7AT1	Intersil	IC RTC CLK/CALENDAR I2C 8-SOIC Type: Clock/Calendar Features: Alarm, Leap Year, Supervisor, Watchdog Timer Memory Size: - Time Format: HH:MM:SS (12/24 hr) Date Format: YY-MM-DD-dd Interface: I2C, 2-Wire Serial Voltage - Supply: 2.7 V ~ 5.5 V Voltage - Supply, Battery: 1.8 V ~ 5.5 V Current - Timekeeping (Max): 10µA ~ 20µA @ 2.7V ~ 5V Operating Temperature: -40°C ~ 85°C Mounting Type: Surface Mount Package / Case: 8-SOIC (0.154", 3.90mm Width) Supplier Device Package: 8-SOIC	Package: 8-SOIC (0.154", 3.90mm Width)	Stock5,136	Alarm, Leap Year, Supervisor, Watchdog Timer	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	2.7 V ~ 5.5 V	1.8 V ~ 5.5 V	10µA ~ 20µA @ 2.7V ~ 5V	-40°C ~ 85°C	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SOIC
DS1689S+	Maxim Integrated	IC RTC CLK/CALENDAR PAR 28-SOIC Type: Clock/Calendar Features: NVSRAM Memory Size: 114B Time Format: HH:MM:SS (12/24 hr) Date Format: YY-MM-DD-dd Interface: Parallel Voltage - Supply: 2.7 V ~ 3.3 V, 4.5 V ~ 5.5 V Voltage - Supply, Battery: 2.5 V ~ 3.7 V Current - Timekeeping (Max): 2mA @ 3V, 3mA @ 5V Operating Temperature: 0°C ~ 70°C Mounting Type: Surface Mount Package / Case: 28-SOIC (0.295", 7.50mm Width) Supplier Device Package: 28-SOIC	Package: 28-SOIC (0.295", 7.50mm Width)	Stock3,200	NVSRAM	114B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	Parallel	2.7 V ~ 3.3 V, 4.5 V ~ 5.5 V	2.5 V ~ 3.7 V	2mA @ 3V, 3mA @ 5V	0°C ~ 70°C	Surface Mount	28-SOIC (0.295", 7.50mm Width)	28-SOIC
DS1306EN/T&R	Maxim Integrated	IC RTC CLK/CALENDAR SPI 20-TSSOP Type: Clock/Calendar Features: Alarm, Leap Year, NVSRAM, Square Wave Output, Trickle-Charger Memory Size: 96B Time Format: HH:MM:SS (12/24 hr) Date Format: YY-MM-DD-dd Interface: SPI Voltage - Supply: 2 V ~ 5.5 V Voltage - Supply, Battery: 2 V ~ 5.5 V Current - Timekeeping (Max): 25.3µA ~ 81µA @ 2V ~ 5V Operating Temperature: -40°C ~ 85°C Mounting Type: Surface Mount Package / Case: 20-TSSOP (0.173", 4.40mm Width) Supplier Device Package: 20-TSSOP	Package: 20-TSSOP (0.173", 4.40mm Width)	Stock4,800	Alarm, Leap Year, NVSRAM, Square Wave Output, Trickle-Charger	96B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	SPI	2 V ~ 5.5 V	2 V ~ 5.5 V	25.3µA ~ 81µA @ 2V ~ 5V	-40°C ~ 85°C	Surface Mount	20-TSSOP (0.173", 4.40mm Width)	20-TSSOP
DS1747-70	Maxim Integrated	IC RTC CLK/CALENDAR PAR 32-EDIP Type: Clock/Calendar Features: Leap Year, NVSRAM, Y2K Memory Size: 512KB 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): 4mA @ 5V Operating Temperature: 0°C ~ 70°C Mounting Type: Through Hole Package / Case: 32-DIP Module (0.600", 15.24mm) Supplier Device Package: 32-EDIP	Package: 32-DIP Module (0.600", 15.24mm)	Stock4,608	Leap Year, NVSRAM, Y2K	512KB	HH:MM:SS (24 hr)	YY-MM-DD-dd	Parallel	4.5 V ~ 5.5 V	-	4mA @ 5V	0°C ~ 70°C	Through Hole	32-DIP Module (0.600", 15.24mm)	32-EDIP
DS1642-70	Maxim Integrated	IC RTC CLK/CALENDAR PAR 24-EDIP Type: Clock/Calendar Features: Leap Year, NVSRAM Memory Size: 2KB 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 @ 5V Operating Temperature: 0°C ~ 70°C Mounting Type: Through Hole Package / Case: 24-DIP Module (0.600", 15.24mm) Supplier Device Package: 24-EDIP	Package: 24-DIP Module (0.600", 15.24mm)	Stock4,320	Leap Year, NVSRAM	2KB	HH:MM:SS (24 hr)	YY-MM-DD-dd	Parallel	4.5 V ~ 5.5 V	-	3mA @ 5V	0°C ~ 70°C	Through Hole	24-DIP Module (0.600", 15.24mm)	24-EDIP
DS1315EN-5	Maxim Integrated	IC T-CHIP PHANTOM 5V IND 20TSSOP Type: Phantom Time Chip Features: Leap Year Memory Size: - Time Format: HH:MM:SS:hh (12/24 hr) Date Format: YY-MM-DD-dd Interface: Parallel Voltage - Supply: 4.5 V ~ 5.5 V Voltage - Supply, Battery: 2.5 V ~ 3.7 V Current - Timekeeping (Max): - Operating Temperature: - Mounting Type: Surface Mount Package / Case: 20-TSSOP (0.173", 4.40mm Width) Supplier Device Package: 20-TSSOP	Package: 20-TSSOP (0.173", 4.40mm Width)	Stock4,368	Leap Year	-	HH:MM:SS:hh (12/24 hr)	YY-MM-DD-dd	Parallel	4.5 V ~ 5.5 V	2.5 V ~ 3.7 V	-	-	Surface Mount	20-TSSOP (0.173", 4.40mm Width)	20-TSSOP
DS17885E-5	Maxim Integrated	IC RTC CLK/CALENDAR PAR 28-TSOP Type: Clock/Calendar Features: Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output Memory Size: 8KB Time Format: HH:MM:SS (12/24 hr) Date Format: YY-MM-DD-dd Interface: Parallel Voltage - Supply: 4.5 V ~ 5.5 V Voltage - Supply, Battery: 2.5 V ~ 3.7 V Current - Timekeeping (Max): 3mA @ 4.5V ~ 5.5V Operating Temperature: 0°C ~ 70°C Mounting Type: Surface Mount Package / Case: 28-TSSOP (0.465", 11.80mm Width) Supplier Device Package: 28-TSOP	Package: 28-TSSOP (0.465", 11.80mm Width)	Stock5,440	Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output	8KB	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	Parallel	4.5 V ~ 5.5 V	2.5 V ~ 3.7 V	3mA @ 4.5V ~ 5.5V	0°C ~ 70°C	Surface Mount	28-TSSOP (0.465", 11.80mm Width)	28-TSOP
DS1243Y-120	Maxim Integrated	IC RTC PHANTOM PAR 28-DIP Type: Phantom Time Chip Features: Leap Year Memory Size: - Time Format: HH:MM:SS:hh (12/24 hr) Date Format: YY-MM-DD-dd Interface: Parallel Voltage - Supply: 4.5 V ~ 5.5 V Voltage - Supply, Battery: - Current - Timekeeping (Max): 7mA @ 3.3V Operating Temperature: 0°C ~ 70°C Mounting Type: Through Hole Package / Case: 28-DIP Module (0.600", 15.24mm) Supplier Device Package: 28-EDIP	Package: 28-DIP Module (0.600", 15.24mm)	Stock3,456	Leap Year	-	HH:MM:SS:hh (12/24 hr)	YY-MM-DD-dd	Parallel	4.5 V ~ 5.5 V	-	7mA @ 3.3V	0°C ~ 70°C	Through Hole	28-DIP Module (0.600", 15.24mm)	28-EDIP
1339-31DCGI	IDT, Integrated Device Technology Inc	IC RTC CLK/CALENDAR I2C 8-SOIC Type: Clock/Calendar Features: Alarm, Leap Year, Square Wave Output, Trickle-Charger Memory Size: - Time Format: HH:MM:SS (12/24 hr) Date Format: YY-MM-DD-dd Interface: I2C, 2-Wire Serial Voltage - Supply: 3.3 V ~ 5.5 V Voltage - Supply, Battery: 1.3 V ~ 3.7 V Current - Timekeeping (Max): 200µA @ 3.63V ~ 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-SOIC	Package: 8-SOIC (0.154", 3.90mm Width)	Stock2,192	Alarm, Leap Year, Square Wave Output, Trickle-Charger	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	3.3 V ~ 5.5 V	1.3 V ~ 3.7 V	200µA @ 3.63V ~ 5.5V	-40°C ~ 85°C	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SOIC
1339-31DVGI	IDT, Integrated Device Technology Inc	IC RTC CLK/CALENDAR I2C 8-MSOP Type: Clock/Calendar Features: Alarm, Leap Year, Square Wave Output, Trickle-Charger Memory Size: - Time Format: HH:MM:SS (12/24 hr) Date Format: YY-MM-DD-dd Interface: I2C, 2-Wire Serial Voltage - Supply: 3.3 V ~ 5.5 V Voltage - Supply, Battery: 1.3 V ~ 3.7 V Current - Timekeeping (Max): 200µA @ 3.63V ~ 5.5V Operating Temperature: -40°C ~ 85°C Mounting Type: Surface Mount Package / Case: 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Supplier Device Package: 8-TSSOP	Package: 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	Stock6,576	Alarm, Leap Year, Square Wave Output, Trickle-Charger	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	3.3 V ~ 5.5 V	1.3 V ~ 3.7 V	200µA @ 3.63V ~ 5.5V	-40°C ~ 85°C	Surface Mount	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-TSSOP
1337AGDVGI8	IDT, Integrated Device Technology Inc	IC RTC CLK/CALENDAR I2C 8-TSSOP Type: Clock/Calendar Features: Alarm, Leap Year, Square Wave Output Memory Size: - Time Format: HH:MM:SS (12/24 hr) Date Format: YY-MM-DD-dd Interface: I2C, 2-Wire Serial Voltage - Supply: 1.8 V ~ 5.5 V Voltage - Supply, Battery: - Current - Timekeeping (Max): 0.3µA @ 1.3V ~ 1.8V Operating Temperature: -40°C ~ 85°C Mounting Type: Surface Mount Package / Case: 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Supplier Device Package: 8-TSSOP	Package: 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	Stock5,088	Alarm, Leap Year, Square Wave Output	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	1.8 V ~ 5.5 V	-	0.3µA @ 1.3V ~ 1.8V	-40°C ~ 85°C	Surface Mount	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-TSSOP
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
PCF2123BS/1,512	NXP	IC RTC CLK/CALENDAR SPI 16-HVQFN Type: Clock/Calendar Features: Alarm, Leap Year, Square Wave Output, Watchdog Timer Memory Size: - Time Format: HH:MM:SS (12/24 hr) Date Format: YY-MM-DD-dd Interface: SPI Voltage - Supply: 1.6 V ~ 5.5 V Voltage - Supply, Battery: - Current - Timekeeping (Max): 0.33µA ~ 0.38µA @ 2V ~ 5V Operating Temperature: -40°C ~ 85°C Mounting Type: Surface Mount Package / Case: 16-VFQFN Exposed Pad Supplier Device Package: 16-HVQFN (3x3)	Package: 16-VFQFN Exposed Pad	Stock12,900	Alarm, Leap Year, Square Wave Output, Watchdog Timer	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	SPI	1.6 V ~ 5.5 V	-	0.33µA ~ 0.38µA @ 2V ~ 5V	-40°C ~ 85°C	Surface Mount	16-VFQFN Exposed Pad	16-HVQFN (3x3)
MCP79402-I/ST	Microchip Technology	IC RTC CLK/CALENDAR I2C 8-TSSOP Type: Clock/Calendar Features: Alarm, Leap Year, Square Wave Output, SRAM, Unique ID Memory Size: 64B Time Format: HH:MM:SS (12/24 hr) Date Format: YY-MM-DD-dd Interface: I2C, 2-Wire Serial Voltage - Supply: 1.8 V ~ 5.5 V Voltage - Supply, Battery: 1.3 V ~ 5.5 V Current - Timekeeping (Max): 1.2µA (Typ) @ 3.3V Operating Temperature: -40°C ~ 85°C Mounting Type: Surface Mount Package / Case: 8-TSSOP (0.173", 4.40mm Width) Supplier Device Package: 8-TSSOP	Package: 8-TSSOP (0.173", 4.40mm Width)	Stock9,144	Alarm, Leap Year, Square Wave Output, SRAM, Unique ID	64B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	1.8 V ~ 5.5 V	1.3 V ~ 5.5 V	1.2µA (Typ) @ 3.3V	-40°C ~ 85°C	Surface Mount	8-TSSOP (0.173", 4.40mm Width)	8-TSSOP
MCP79401-I/SN	Microchip Technology	IC RTC CLK/CALENDAR I2C 8-SOIC Type: Clock/Calendar Features: Alarm, Leap Year, Square Wave Output, SRAM, Unique ID Memory Size: 64B Time Format: HH:MM:SS (12/24 hr) Date Format: YY-MM-DD-dd Interface: I2C, 2-Wire Serial Voltage - Supply: 1.8 V ~ 5.5 V Voltage - Supply, Battery: 1.3 V ~ 5.5 V Current - Timekeeping (Max): 1.2µA (Typ) @ 3.3V Operating Temperature: -40°C ~ 85°C Mounting Type: Surface Mount Package / Case: 8-SOIC (0.154", 3.90mm Width) Supplier Device Package: 8-SOIC	Package: 8-SOIC (0.154", 3.90mm Width)	Stock6,560	Alarm, Leap Year, Square Wave Output, SRAM, Unique ID	64B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	1.8 V ~ 5.5 V	1.3 V ~ 5.5 V	1.2µA (Typ) @ 3.3V	-40°C ~ 85°C	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SOIC
DS1744P-70+	Maxim Integrated	IC RTC CLK/CALENDAR PAR 34-PCM Type: Clock/Calendar Features: Leap Year, NVSRAM, Y2K Memory Size: 32KB 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): 4mA @ 5V Operating Temperature: 0°C ~ 70°C Mounting Type: Surface Mount Package / Case: 34-PowerCap? Module Supplier Device Package: 34-PowerCap Module	Package: 34-PowerCap? Module	Stock4,032	Leap Year, NVSRAM, Y2K	32KB	HH:MM:SS (24 hr)	YY-MM-DD-dd	Parallel	4.5 V ~ 5.5 V	3V	4mA @ 5V	0°C ~ 70°C	Surface Mount	34-PowerCap? Module	34-PowerCap Module
DS1338U-33+T&R	Maxim Integrated	IC RTC CLK/CALENDAR I2C 8-USOP Type: Clock/Calendar Features: Leap Year, NVSRAM, Square Wave Output Memory Size: 56B Time Format: HH:MM:SS (12/24 hr) Date Format: YY-MM-DD-dd Interface: I2C, 2-Wire Serial Voltage - Supply: 3 V ~ 5.5 V Voltage - Supply, Battery: 1.3 V ~ 3.7 V Current - Timekeeping (Max): 125µA ~ 200µA @ 3.63V ~ 5.5V Operating Temperature: -40°C ~ 85°C Mounting Type: Surface Mount Package / Case: 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Supplier Device Package: 8-uMAX	Package: 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	Stock16,140	Leap Year, NVSRAM, Square Wave Output	56B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	3 V ~ 5.5 V	1.3 V ~ 3.7 V	125µA ~ 200µA @ 3.63V ~ 5.5V	-40°C ~ 85°C	Surface Mount	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-uMAX
DS1341U+T&R	Maxim Integrated	IC RTC CLK/CALENDAR I2C 8-USOP Type: Clock/Calendar Features: Alarm, Leap Year, Square Wave Output Memory Size: - Time Format: HH:MM:SS (12/24 hr) Date Format: YY-MM-DD-dd Interface: I2C, 2-Wire Serial Voltage - Supply: 1.8 V ~ 5.5 V Voltage - Supply, Battery: - Current - Timekeeping (Max): 0.5µA ~ 0.6µA @ 3V ~ 5V Operating Temperature: -40°C ~ 85°C Mounting Type: Surface Mount Package / Case: 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Supplier Device Package: 8-uMAX	Package: 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	Stock5,856	Alarm, Leap Year, Square Wave Output	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	1.8 V ~ 5.5 V	-	0.5µA ~ 0.6µA @ 3V ~ 5V	-40°C ~ 85°C	Surface Mount	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-uMAX
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
X1226V8I	Renesas Electronics America	IC RTC CLK/CALENDAR I2C 8-TSSOP Type: Clock/Calendar Features: Alarm, Leap Year Memory Size: - Time Format: HH:MM:SS (12/24 hr) Date Format: YY-MM-DD-dd Interface: I²C, 2-Wire Serial Voltage - Supply: 2.7 V ~ 5.5 V Voltage - Supply, Battery: 1.8 V ~ 5.5 V Current - Timekeeping (Max): 10µA ~ 20µA @ 2.7V ~ 5V Operating Temperature: -40°C ~ 85°C Mounting Type: Surface Mount Package / Case: 8-TSSOP (0.173", 4.40mm Width) Supplier Device Package: 8-TSSOP	Package: 8-TSSOP (0.173", 4.40mm Width)	Stock4,272	Alarm, Leap Year	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I²C, 2-Wire Serial	2.7 V ~ 5.5 V	1.8 V ~ 5.5 V	10µA ~ 20µA @ 2.7V ~ 5V	-40°C ~ 85°C	Surface Mount	8-TSSOP (0.173", 4.40mm Width)	8-TSSOP
CDP68HC68T1M2	Renesas Electronics America	IC RTC CLK/CALENDAR SPI 16-SOIC Type: Clock/Calendar Features: Alarm, Leap Year, Square Wave Output, Watchdog Timer Memory Size: 32B Time Format: HH:MM:SS (12/24 hr) Date Format: YY-MM-DD-dd Interface: SPI Voltage - Supply: 3 V ~ 6 V Voltage - Supply, Battery: 2.2 V ~ 6 V Current - Timekeeping (Max): 20µA ~ 500µA @ 5V Operating Temperature: -40°C ~ 85°C Mounting Type: Surface Mount Package / Case: 16-SOIC (0.295", 7.50mm Width) Supplier Device Package: 16-SOIC	Package: 16-SOIC (0.295", 7.50mm Width)	Stock7,024	Alarm, Leap Year, Square Wave Output, Watchdog Timer	32B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	SPI	3 V ~ 6 V	2.2 V ~ 6 V	20µA ~ 500µA @ 5V	-40°C ~ 85°C	Surface Mount	16-SOIC (0.295", 7.50mm Width)	16-SOIC
ISL1208IU8Z-TK	Renesas Electronics America	IC RTC CLK/CALENDAR I2C 8-MSOP Type: Clock/Calendar Features: Alarm, Leap Year, SRAM Memory Size: 2B Time Format: HH:MM:SS (12/24 hr) Date Format: YY-MM-DD-dd Interface: I²C, 2-Wire Serial Voltage - Supply: 2.7 V ~ 5.5 V Voltage - Supply, Battery: 1.8 V ~ 5.5 V Current - Timekeeping (Max): 4µA ~ 6µA @ 3V ~ 5V Operating Temperature: -40°C ~ 85°C Mounting Type: Surface Mount Package / Case: 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Supplier Device Package: 8-MSOP	Package: 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	Stock7,200	Alarm, Leap Year, SRAM	2B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I²C, 2-Wire Serial	2.7 V ~ 5.5 V	1.8 V ~ 5.5 V	4µA ~ 6µA @ 3V ~ 5V	-40°C ~ 85°C	Surface Mount	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-MSOP
MCP7940NT-E/SNVAO	Microchip Technology	IC RTC CAL I2C/2-WIRE SER 8SOIC Type: Clock/Calendar Features: Alarm, Leap Year, Square Wave Output, SRAM Memory Size: 64B Time Format: HH:MM:SS (12/24 hr) Date Format: YY-MM-DD-dd Interface: I²C, 2-Wire Serial Voltage - Supply: 1.8V ~ 5.5V Voltage - Supply, Battery: 1.3V ~ 5.5V Current - Timekeeping (Max): 1.2µA @ 3.3V Operating Temperature: -40°C ~ 125°C Mounting Type: Surface Mount Package / Case: 8-SOIC (0.154", 3.90mm Width) Supplier Device Package: 8-SOIC	Package: 8-SOIC (0.154", 3.90mm Width)	Stock4,992	Alarm, Leap Year, Square Wave Output, SRAM	64B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I²C, 2-Wire Serial	1.8V ~ 5.5V	1.3V ~ 5.5V	1.2µA @ 3.3V	-40°C ~ 125°C	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SOIC
RS5C348A-E2-F	Nisshinbo Micro Devices Inc.	IC RTC CLK/CALENDAR SER 10SSOP Type: Clock/Calendar Features: Alarm, Leap Year Memory Size: - Time Format: HH:MM:SS (12/24 hr) Date Format: YY-MM-DD-dd Interface: 4-Wire Serial Voltage - Supply: 2V ~ 5.5V Voltage - Supply, Battery: - Current - Timekeeping (Max): 1µA @ 3V Operating Temperature: -40°C ~ 85°C Mounting Type: Surface Mount Package / Case: 10-LFSOP (0.173", 4.40mm Width) Supplier Device Package: 10-SSOP	Package: -	Stock54,306	Alarm, Leap Year	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	4-Wire Serial	2V ~ 5.5V	-	1µA @ 3V	-40°C ~ 85°C	Surface Mount	10-LFSOP (0.173", 4.40mm Width)	10-SSOP
MAX6900ETTAEQ	Analog Devices Inc./Maxim Integrated	I2C-BUS-COMPATIBLE REAL-TIME CLO Type: - 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: -	Package: -	Request a Quote	-	-	-	-	-	-	-	-	-	-	-	-