Page 69 - Clock/Timing - Real Time Clocks | Integrated Circuits (ICs)

ISL12057IRUZ-T
Intersil

IC RTC CLK/CALENDAR I2C 8-UTDFN

Package: 8-UFDFN

Stock5,888
AB0803-T3
Abracon LLC

IC RTC CLK/CALENDAR I2C 16-QFN

Package: 16-VFQFN Exposed Pad

Stock5,904
BQ4845YP-A4E3
Texas Instruments

IC RTC CLK/CALENDAR PAR 28-DIP

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

Stock5,280
MAX6917EO30+T
Maxim Integrated

IC RTC I2C COMPAT 20-QSOP

Package: 20-SSOP (0.154", 3.90mm Width)

Stock5,872
DS1743P-100+
Maxim Integrated

IC RTC CLK/CALENDAR PAR 34-PCM

Package: 34-PowerCap? Module

Stock4,144
DS1687-3
Maxim Integrated

IC RTC CLK/CALENDAR PAR 24-EDIP

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

Stock10,068
DS1501WN
Maxim Integrated

IC RTC CLK/CALENDAR PAR 28-DIP

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

Stock7,344
DS1744W-120
Maxim Integrated

IC RTC CLK/CALENDAR PAR 28-EDIP

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

Stock2,624
BQ3285LFSS-A1
Texas Instruments

IC RTC CLK/CALENDAR PAR 24-QSOP

Package: 24-SSOP (0.154", 3.90mm Width)

Stock11,868
1337GDVGI8
IDT, Integrated Device Technology Inc

IC RTC CLK/CALENDAR I2C 8-TSSOP

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

Stock7,136
ISL12022IBZ-T
Intersil

IC RTC CLK/CALENDAR I2C 8-SOIC

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

Stock18,036
DS1341T+
Maxim Integrated

IC RTC CLK/CALENDAR I2C 8-TDFN

Package: 8-WDFN Exposed Pad

Stock13,932
DS1685Q-3+
Maxim Integrated

IC RTC CLK/CALENDAR PAR 28-PLCC

Package: 28-LCC (J-Lead)

Stock7,140
M48T35-70PC1
STMicroelectronics

IC RTC CLK/CALENDAR PAR 28DIP

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

Stock6,352
PCF8523TS/1,112
NXP

IC RTC CLK/CALENDAR I2C 14-TSSOP

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

Stock29,112
RX-4801SA:UB3 PURE SN
EPSON

IC RTC CLK/CALENDAR SPI 14-SOP

Package: 14-SOIC (0.209", 5.30mm Width)

Stock128,346
AB-RTCMC-32.768KHZ-EOA9-S3-D-B-T
Abracon LLC

IC RTC CLK/CALENDAR SPI MODULE

Package: 10-SMD Module

Stock48,132
ISL12028IVAZ-T
Renesas Electronics America

IC RTC CLK/CALENDAR I2C 14-TSSOP

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

Stock4,400
X1228V14Z
Renesas Electronics America

IC RTC CLK/CALENDAR I2C 14-TSSOP

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

Stock3,744
X1228S14IZ-4.5A
Renesas Electronics America

IC RTC CLK/CALENDAR I2C 14-SOIC

Package: 14-SOIC (0.154", 3.90mm Width)

Stock5,248

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
ISL12057IRUZ-T	Intersil	IC RTC CLK/CALENDAR I2C 8-UTDFN 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: 1.8 V ~ 3.6 V Voltage - Supply, Battery: - Current - Timekeeping (Max): 0.65µA @ 1.8V Operating Temperature: -40°C ~ 85°C Mounting Type: Surface Mount Package / Case: 8-UFDFN Supplier Device Package: 8-µTDFN (2x2)	Package: 8-UFDFN	Stock5,888	Alarm, Leap Year	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	1.8 V ~ 3.6 V	-	0.65µA @ 1.8V	-40°C ~ 85°C	Surface Mount	8-UFDFN	8-µTDFN (2x2)
AB0803-T3	Abracon LLC	IC RTC CLK/CALENDAR I2C 16-QFN Type: Clock/Calendar Features: Alarm, Leap Year, SRAM, Trickle-Charger Memory Size: 64B Time Format: HH:MM:SS:hh Date Format: YY-MM-DD-dd Interface: I2C, 2-Wire Serial Voltage - Supply: 1.7 V ~ 3.6 V Voltage - Supply, Battery: 1.5 V ~ 3.6 V Current - Timekeeping (Max): 0.17µA ~ 0.22µA @ 1.8V ~ 3V 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	Stock5,904	Alarm, Leap Year, SRAM, Trickle-Charger	64B	HH:MM:SS:hh	YY-MM-DD-dd	I2C, 2-Wire Serial	1.7 V ~ 3.6 V	1.5 V ~ 3.6 V	0.17µA ~ 0.22µA @ 1.8V ~ 3V	-40°C ~ 85°C	Surface Mount	16-VFQFN Exposed Pad	16-QFN (3x3)
BQ4845YP-A4E3	Texas Instruments	IC RTC CLK/CALENDAR PAR 28-DIP Type: Clock/Calendar Features: Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer Memory Size: - 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: 2.3 V ~ 4 V Current - Timekeeping (Max): 1.5mA (Typ) @ 4.5 V ~ 5.5 V Operating Temperature: 0°C ~ 70°C Mounting Type: Through Hole Package / Case: 28-DIP (0.600", 15.24mm) Supplier Device Package: 28-PDIP	Package: 28-DIP (0.600", 15.24mm)	Stock5,280	Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	Parallel	4.5 V ~ 5.5 V	2.3 V ~ 4 V	1.5mA (Typ) @ 4.5 V ~ 5.5 V	0°C ~ 70°C	Through Hole	28-DIP (0.600", 15.24mm)	28-PDIP
MAX6917EO30+T	Maxim Integrated	IC RTC I2C COMPAT 20-QSOP Type: Clock/Calendar/Supervisor Features: - Memory Size: 96B Time Format: HH:MM:SS (12/24 hr) Date Format: YY-MM-DD-dd Interface: I2C, 2-Wire Serial Voltage - Supply: 2.7 V ~ 3.3 V Voltage - Supply, Battery: - Current - Timekeeping (Max): - Operating Temperature: - Mounting Type: Surface Mount Package / Case: 20-SSOP (0.154", 3.90mm Width) Supplier Device Package: 20-QSOP	Package: 20-SSOP (0.154", 3.90mm Width)	Stock5,872	-	96B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	2.7 V ~ 3.3 V	-	-	-	Surface Mount	20-SSOP (0.154", 3.90mm Width)	20-QSOP
DS1743P-100+	Maxim Integrated	IC RTC CLK/CALENDAR PAR 34-PCM Type: Clock/Calendar Features: Leap Year, NVSRAM, Y2K Memory Size: 8KB 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 @ 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	Stock4,144	Leap Year, NVSRAM, Y2K	8KB	HH:MM:SS (24 hr)	YY-MM-DD-dd	Parallel	4.5 V ~ 5.5 V	3V	3mA @ 5V	0°C ~ 70°C	Surface Mount	34-PowerCap? Module	34-PowerCap Module
DS1687-3	Maxim Integrated	IC RTC CLK/CALENDAR PAR 24-EDIP Type: Clock/Calendar Features: Alarm, NVSRAM, Square Wave Output, Y2K Memory Size: 242B Time Format: HH:MM:SS (12/24 hr) Date Format: YY-MM-DD-dd Interface: Parallel Voltage - Supply: 2.7 V ~ 3.7 V Voltage - Supply, Battery: 2.5 V ~ 3.7 V Current - Timekeeping (Max): 2mA @ 3V 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)	Stock10,068	Alarm, NVSRAM, Square Wave Output, Y2K	242B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	Parallel	2.7 V ~ 3.7 V	2.5 V ~ 3.7 V	2mA @ 3V	0°C ~ 70°C	Through Hole	24-DIP Module (0.600", 15.24mm)	24-EDIP
DS1501WN	Maxim Integrated	IC RTC CLK/CALENDAR PAR 28-DIP Type: Clock/Calendar Features: Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer, Y2K Memory Size: 256B 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: 2.5 V ~ 3.7 V Current - Timekeeping (Max): 4mA @ 3V ~ 3.6V Operating Temperature: -40°C ~ 85°C Mounting Type: Through Hole Package / Case: 28-DIP (0.600", 15.24mm) Supplier Device Package: 28-PDIP	Package: 28-DIP (0.600", 15.24mm)	Stock7,344	Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer, Y2K	256B	HH:MM:SS (24 hr)	YY-MM-DD-dd	Parallel	3 V ~ 3.6 V	2.5 V ~ 3.7 V	4mA @ 3V ~ 3.6V	-40°C ~ 85°C	Through Hole	28-DIP (0.600", 15.24mm)	28-PDIP
DS1744W-120	Maxim Integrated	IC RTC CLK/CALENDAR PAR 28-EDIP 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: 2.97 V ~ 3.63 V Voltage - Supply, Battery: - Current - Timekeeping (Max): 2mA @ 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)	Stock2,624	Leap Year, NVSRAM, Y2K	32KB	HH:MM:SS (24 hr)	YY-MM-DD-dd	Parallel	2.97 V ~ 3.63 V	-	2mA @ 3.3V	0°C ~ 70°C	Through Hole	28-DIP Module (0.600", 15.24mm)	28-EDIP
BQ3285LFSS-A1	Texas Instruments	IC RTC CLK/CALENDAR PAR 24-QSOP Type: Clock/Calendar Features: Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output Memory Size: 242B Time Format: HH:MM:SS (12/24 hr) Date Format: YY-MM-DD-dd Interface: Parallel Voltage - Supply: 2.7 V ~ 5.5 V Voltage - Supply, Battery: 2.4 V ~ 4 V Current - Timekeeping (Max): 100µA @ 3V Operating Temperature: 0°C ~ 70°C Mounting Type: Surface Mount Package / Case: 24-SSOP (0.154", 3.90mm Width) Supplier Device Package: 24-SSOP/QSOP	Package: 24-SSOP (0.154", 3.90mm Width)	Stock11,868	Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output	242B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	Parallel	2.7 V ~ 5.5 V	2.4 V ~ 4 V	100µA @ 3V	0°C ~ 70°C	Surface Mount	24-SSOP (0.154", 3.90mm Width)	24-SSOP/QSOP
1337GDVGI8	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): 0.6µA @ 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-MSOP	Package: 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	Stock7,136	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	-	0.6µA @ 1.3V ~ 1.8V	-40°C ~ 85°C	Surface Mount	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-MSOP
ISL12022IBZ-T	Intersil	IC RTC CLK/CALENDAR I2C 8-SOIC Type: Clock/Calendar Features: Alarm, Daylight Savings, Leap Year, SRAM Memory Size: 128B 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): 14µA ~ 15µA @ 3V ~ 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)	Stock18,036	Alarm, Daylight Savings, Leap Year, SRAM	128B	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	14µA ~ 15µA @ 3V ~ 5V	-40°C ~ 85°C	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SOIC
DS1341T+	Maxim Integrated	IC RTC CLK/CALENDAR I2C 8-TDFN 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-WDFN Exposed Pad Supplier Device Package: 8-TDFN (3x3)	Package: 8-WDFN Exposed Pad	Stock13,932	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-WDFN Exposed Pad	8-TDFN (3x3)
DS1685Q-3+	Maxim Integrated	IC RTC CLK/CALENDAR PAR 28-PLCC Type: Clock/Calendar Features: Alarm, NVSRAM, Square Wave Output, Y2K Memory Size: 242B Time Format: HH:MM:SS (12/24 hr) Date Format: YY-MM-DD-dd Interface: Parallel Voltage - Supply: 2.7 V ~ 3.7 V Voltage - Supply, Battery: 2.5 V ~ 3.7 V Current - Timekeeping (Max): 2mA @ 3V Operating Temperature: 0°C ~ 70°C Mounting Type: Surface Mount Package / Case: 28-LCC (J-Lead) Supplier Device Package: 28-PLCC (11.51x11.51)	Package: 28-LCC (J-Lead)	Stock7,140	Alarm, NVSRAM, Square Wave Output, Y2K	242B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	Parallel	2.7 V ~ 3.7 V	2.5 V ~ 3.7 V	2mA @ 3V	0°C ~ 70°C	Surface Mount	28-LCC (J-Lead)	28-PLCC (11.51x11.51)
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?
PCF8523TS/1,112	NXP	IC RTC CLK/CALENDAR I2C 14-TSSOP Type: Clock/Calendar Features: Alarm, Leap Year, 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: 1.6 V ~ 5.5 V Voltage - Supply, Battery: 1.8 V ~ 5.5 V Current - Timekeeping (Max): 0.5µA @ 2V ~ 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)	Stock29,112	Alarm, Leap Year, Watchdog Timer	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	1.6 V ~ 5.5 V	1.8 V ~ 5.5 V	0.5µA @ 2V ~ 5V	-40°C ~ 85°C	Surface Mount	14-TSSOP (0.173", 4.40mm Width)	14-TSSOP
RX-4801SA:UB3 PURE SN	EPSON	IC RTC CLK/CALENDAR SPI 14-SOP Type: Clock/Calendar Features: Alarm, Leap Year Memory Size: - Time Format: HH:MM:SS (24 hr) Date Format: YY-MM-DD-dd Interface: SPI Voltage - Supply: 1.6 V ~ 5.5 V Voltage - Supply, Battery: - Current - Timekeeping (Max): 2.1µA ~ 3.4µA @ 3V ~ 5V Operating Temperature: -40°C ~ 85°C Mounting Type: Surface Mount Package / Case: 14-SOIC (0.209", 5.30mm Width) Supplier Device Package: 14-SOP	Package: 14-SOIC (0.209", 5.30mm Width)	Stock128,346	Alarm, Leap Year	-	HH:MM:SS (24 hr)	YY-MM-DD-dd	SPI	1.6 V ~ 5.5 V	-	2.1µA ~ 3.4µA @ 3V ~ 5V	-40°C ~ 85°C	Surface Mount	14-SOIC (0.209", 5.30mm Width)	14-SOP
AB-RTCMC-32.768KHZ-EOA9-S3-D-B-T	Abracon LLC	IC RTC CLK/CALENDAR SPI MODULE Type: Clock/Calendar Features: Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, TCXO/Crystal, Trickle-Charger Memory Size: 8B Time Format: HH:MM:SS (12/24 hr) Date Format: YY-MM-DD-dd Interface: SPI Voltage - Supply: 1.4 V ~ 5.5 V Voltage - Supply, Battery: 1.4 V ~ 5.5 V Current - Timekeeping (Max): 1.5µA ~ 2.2µA @ 1.4V ~ 5V Operating Temperature: -40°C ~ 85°C Mounting Type: Surface Mount Package / Case: 10-SMD Module Supplier Device Package: Module	Package: 10-SMD Module	Stock48,132	Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, TCXO/Crystal, Trickle-Charger	8B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	SPI	1.4 V ~ 5.5 V	1.4 V ~ 5.5 V	1.5µA ~ 2.2µA @ 1.4V ~ 5V	-40°C ~ 85°C	Surface Mount	10-SMD Module	Module
ISL12028IVAZ-T	Renesas Electronics America	IC RTC CLK/CALENDAR I2C 14-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 ~ 5.5V 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)	Stock4,400	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 ~ 5.5V	-40°C ~ 85°C	Surface Mount	14-TSSOP (0.173", 4.40mm Width)	14-TSSOP
X1228V14Z	Renesas Electronics America	IC RTC CLK/CALENDAR I2C 14-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: 14-TSSOP (0.173", 4.40mm Width) Supplier Device Package: 14-TSSOP	Package: 14-TSSOP (0.173", 4.40mm Width)	Stock3,744	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	14-TSSOP (0.173", 4.40mm Width)	14-TSSOP
X1228S14IZ-4.5A	Renesas Electronics America	IC RTC CLK/CALENDAR I2C 14-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: 14-SOIC (0.154", 3.90mm Width) Supplier Device Package: 14-SOIC	Package: 14-SOIC (0.154", 3.90mm Width)	Stock5,248	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	14-SOIC (0.154", 3.90mm Width)	14-SOIC
X1226V8Z	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: 0°C ~ 70°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)	Stock6,976	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	0°C ~ 70°C	Surface Mount	8-TSSOP (0.173", 4.40mm Width)	8-TSSOP
X1228S14IZ	Renesas Electronics America	IC RTC CLK/CALENDAR I2C 14-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: 14-SOIC (0.154", 3.90mm Width) Supplier Device Package: 14-SOIC	Package: 14-SOIC (0.154", 3.90mm Width)	Stock5,232	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	14-SOIC (0.154", 3.90mm Width)	14-SOIC
RTC-72423A: PURE SN	EPSON	IC TRC CLK/CALENDAR 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: -	Stock5,232	-	-	-	-	-	-	-	-	-	-	-	-
RX8900SA:UCB PURE SN	EPSON	IC TRC CLK/CALENDAR 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: -	Stock5,648	-	-	-	-	-	-	-	-	-	-	-	-
ISL12026AIBZ	Renesas Electronics America	IC RTC CLK/CALENDAR I2C 8-SOIC 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 ~ 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)	Stock16,632	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 ~ 5.5V	-40°C ~ 85°C	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SOIC
R2223T-E2-F	Nisshinbo Micro Devices Inc.	IC RTC CLK/CALENDAR I2C 10TSSOP Type: Clock/Calendar Features: Alarm, Leap Year, RAM Memory Size: - Time Format: HH:MM:SS (12/24 hr) Date Format: YY-MM-DD-dd Interface: I2C, 2-Wire Serial Voltage - Supply: 1.5V ~ 5.5V Voltage - Supply, Battery: - Current - Timekeeping (Max): 0.9µA @ 3V Operating Temperature: -40°C ~ 85°C Mounting Type: Surface Mount Package / Case: 10-VFSOP, 10-MSOP (0.110", 2.80mm Width) Supplier Device Package: 10-TSSOPG	Package: -	Request a Quote	Alarm, Leap Year, RAM	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	1.5V ~ 5.5V	-	0.9µA @ 3V	-40°C ~ 85°C	Surface Mount	10-VFSOP, 10-MSOP (0.110", 2.80mm Width)	10-TSSOPG
MAX31331EWC-T	Analog Devices Inc./Maxim Integrated	IC RTC CLK/CALENDAR I2C 12WLP Type: Clock/Calendar Features: Alarm, Leap Year, RAM, Square Wave Output, Trickle Charger Memory Size: 32B Time Format: HH:MM:SS (12/24 hr) Date Format: YY-MM-DD Interface: I2C Voltage - Supply: 1.1V ~ 5.5V Voltage - Supply, Battery: 1.1V ~ 5.5V Current - Timekeeping (Max): 0.65µA ~ 0.7µA @ 1.1V ~ 5.5V Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: Surface Mount Package / Case: 12-WFBGA, WLBGA Supplier Device Package: 12-WLP (1.63x1.23)	Package: -	Stock5,043	Alarm, Leap Year, RAM, Square Wave Output, Trickle Charger	32B	HH:MM:SS (12/24 hr)	YY-MM-DD	I2C	1.1V ~ 5.5V	1.1V ~ 5.5V	0.65µA ~ 0.7µA @ 1.1V ~ 5.5V	-40°C ~ 85°C (TA)	Surface Mount	12-WFBGA, WLBGA	12-WLP (1.63x1.23)
RX-4571LCB-PURE-SN	EPSON	RX-4571LC:B RTC {SN-AG OR SN} VS Type: Clock/Calendar Features: Alarm, Leap Year Memory Size: - Time Format: HH:MM:SS Date Format: YY-MM-DD Interface: 3-Wire Serial Voltage - Supply: 1.6V ~ 5.5V Voltage - Supply, Battery: 1V ~ 5.5V Current - Timekeeping (Max): 950nA ~ 1µA @ 3V ~ 5V Operating Temperature: -40°C ~ 85°C Mounting Type: Surface Mount Package / Case: 12-TFSOJ (0.094", 2.40mm Width) Supplier Device Package: 12-VSOJ	Package: -	Request a Quote	Alarm, Leap Year	-	HH:MM:SS	YY-MM-DD	3-Wire Serial	1.6V ~ 5.5V	1V ~ 5.5V	950nA ~ 1µA @ 3V ~ 5V	-40°C ~ 85°C	Surface Mount	12-TFSOJ (0.094", 2.40mm Width)	12-VSOJ