Page 86 - Clock/Timing - Real Time Clocks | Integrated Circuits (ICs)

ISL12029IV27AZ
Intersil

IC RTC CLK/CALENDAR I2C 14-TSSOP

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

Stock6,352
M41T56C64MY6F
STMicroelectronics

IC RTC CLK/CALENDAR I2C 18-SOIC

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

Stock6,816
X1288S16-2.7AT1
Intersil

IC RTC CLK/CALENDAR I2C 16-SOIC

Package: 16-SOIC (0.295", 7.50mm Width)

Stock6,288
X1228V14IZ-2.7
Intersil

IC RTC CLK/CALENDAR I2C 14-TSSOP

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

Stock7,408
M48T248Y-70PM1
STMicroelectronics

IC RTC PHANTOM PAR 32-DIP

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

Stock3,504
M48T212V-85MH1E
STMicroelectronics

IC RTC CLK/CALENDAR PAR 44-SOH

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

Stock3,024
M41ST85YMH6E
STMicroelectronics

IC RTC CLK/CALENDAR I2C 28-SOIC

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

Stock5,536
DS1501WE/T&R
Maxim Integrated

IC RTC CLK/CALENDAR PAR 28-TSOP

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

Stock7,520
DS1672S-33/T&R
Maxim Integrated

IC RTC BINARY CNT I2C 8-SOIC

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

Stock6,720
DS1647-120
Maxim Integrated

IC RAM TIMEKEEP NV 120NS 32-EDIP

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

Stock2,624
BQ4802LYDWG4
Texas Instruments

IC RTC CLK/CALENDAR PAR 28-SOIC

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

Stock5,216
ISL12058IRTZ-T
Intersil

IC RTC CLK/CALENDAR I2C 8-TDFN

Package: 8-WDFN Exposed Pad

Stock5,856
PT7C4337UEX
Diodes Incorporated

IC RTC CLK/CALENDAR I2C MSOP

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

Stock755,868
DS1743W-150+
Maxim Integrated

IC RTC CLK/CALENDAR PAR 28-EDIP

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

Stock4,208
BQ32000D
Texas Instruments

IC RTC CLK/CALENDAR I2C 8-SOIC

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

Stock13,356
DS1344E-33+
Maxim Integrated

IC RTC CLK/CALENDAR SPI 20-TSSOP

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

Stock6,732
DS3234S#T&R
Maxim Integrated

IC RTC CLK/CALENDAR SPI 20-SOIC

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

Stock31,074
X1288S16-4.5A
Renesas Electronics America

IC RTC CLK/CALENDAR I2C 16-SOIC

Package: 16-SOIC (0.295", 7.50mm Width)

Stock7,984
X1227V8Z-4.5A
Renesas Electronics America

IC RTC CLK/CALENDAR I2C 8-TSSOP

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

Stock4,720
ISL1209IU10-TK
Renesas Electronics America

IC RTC EVENT REC I2C 10-MSOP

Package: 10-TFSOP, 10-MSOP (0.118", 3.00mm Width)

Stock7,872

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
ISL12029IV27AZ	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 (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)	Stock6,352	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
M41T56C64MY6F	STMicroelectronics	IC RTC CLK/CALENDAR I2C 18-SOIC Type: Clock/Calendar Features: EEPROM, Leap Year, NVSRAM Memory Size: 56B, 8KB Time Format: HH:MM:SS 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: 18-SOX, 18-SOIC with Crystal (7.5mm Width) Supplier Device Package: 18-SOX	Package: 18-SOX, 18-SOIC with Crystal (7.5mm Width)	Stock6,816	EEPROM, Leap Year, NVSRAM	56B, 8KB	HH:MM:SS	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	18-SOX, 18-SOIC with Crystal (7.5mm Width)	18-SOX
X1288S16-2.7AT1	Intersil	IC RTC CLK/CALENDAR I2C 16-SOIC 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: 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: 16-SOIC (0.295", 7.50mm Width) Supplier Device Package: 16-SOIC	Package: 16-SOIC (0.295", 7.50mm Width)	Stock6,288	Alarm, Leap Year, Supervisor, Watchdog Timer	-	HH:MM:SS:hh (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	16-SOIC (0.295", 7.50mm Width)	16-SOIC
X1228V14IZ-2.7	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 (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)	Stock7,408	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
M48T248Y-70PM1	STMicroelectronics	IC RTC PHANTOM PAR 32-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): 5mA @ 4.5V ~ 5.5V Operating Temperature: 0°C ~ 70°C Mounting Type: Through Hole Package / Case: 32-DIP Module (0.600", 15.24mm) Supplier Device Package: 32-PMDIP	Package: 32-DIP Module (0.600", 15.24mm)	Stock3,504	Leap Year	-	HH:MM:SS:hh (12/24 hr)	YY-MM-DD-dd	Parallel	4.5 V ~ 5.5 V	-	5mA @ 4.5V ~ 5.5V	0°C ~ 70°C	Through Hole	32-DIP Module (0.600", 15.24mm)	32-PMDIP
M48T212V-85MH1E	STMicroelectronics	IC RTC CLK/CALENDAR PAR 44-SOH Type: Clock/Calendar Features: Alarm, Leap Year, 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	Stock3,024	Alarm, Leap Year, 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
M41ST85YMH6E	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: 4.5 V ~ 5.5 V Voltage - Supply, Battery: 2.5 V ~ 3.5 V Current - Timekeeping (Max): 1mA @ 4.5V ~ 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	Stock5,536	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	4.5 V ~ 5.5 V	2.5 V ~ 3.5 V	1mA @ 4.5V ~ 5.5V	-40°C ~ 85°C	Surface Mount	28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets	28-SOH
DS1501WE/T&R	Maxim Integrated	IC RTC CLK/CALENDAR PAR 28-TSOP 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: 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)	Stock7,520	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	0°C ~ 70°C	Surface Mount	28-TSSOP (0.465", 11.80mm Width)	28-TSOP
DS1672S-33/T&R	Maxim Integrated	IC RTC BINARY CNT I2C 8-SOIC Type: Binary Counter Features: Trickle-Charger Memory Size: - Time Format: Binary Date Format: Binary Interface: I2C, 2-Wire Serial Voltage - Supply: 2.97 V ~ 3.63 V Voltage - Supply, Battery: 1.3 V ~ 3.63 V Current - Timekeeping (Max): 500µA @ 3.63V 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)	Stock6,720	Trickle-Charger	-	Binary	Binary	I2C, 2-Wire Serial	2.97 V ~ 3.63 V	1.3 V ~ 3.63 V	500µA @ 3.63V	-40°C ~ 85°C	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SOIC
DS1647-120	Maxim Integrated	IC RAM TIMEKEEP NV 120NS 32-EDIP Type: Clock/Calendar Features: Leap Year, NVSRAM 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): - Operating Temperature: - 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)	Stock2,624	Leap Year, NVSRAM	512KB	HH:MM:SS (24 hr)	YY-MM-DD-dd	Parallel	4.5 V ~ 5.5 V	-	-	-	Through Hole	32-DIP Module (0.600", 15.24mm)	32-EDIP
BQ4802LYDWG4	Texas Instruments	IC RTC CLK/CALENDAR PAR 28-SOIC 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: 2.7 V ~ 3.6 V Voltage - Supply, Battery: 2.4 V ~ 4 V Current - Timekeeping (Max): 1.5mA (Typ) @ 2.7 V ~ 3.6 V 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)	Stock5,216	Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	Parallel	2.7 V ~ 3.6 V	2.4 V ~ 4 V	1.5mA (Typ) @ 2.7 V ~ 3.6 V	0°C ~ 70°C	Surface Mount	28-SOIC (0.295", 7.50mm Width)	28-SOIC
ISL12058IRTZ-T	Intersil	IC RTC CLK/CALENDAR I2C 8-TDFN 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-WDFN Exposed Pad Supplier Device Package: 8-TDFN (3x3)	Package: 8-WDFN Exposed Pad	Stock5,856	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-WDFN Exposed Pad	8-TDFN (3x3)
PT7C4337UEX	Diodes Incorporated	IC RTC CLK/CALENDAR I2C MSOP 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): 0.8µA @ 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)	Stock755,868	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	-	0.8µA @ 1.3V ~ 1.8V	-40°C ~ 85°C	Surface Mount	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-MSOP
DS1743W-150+	Maxim Integrated	IC RTC CLK/CALENDAR PAR 28-EDIP 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: 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)	Stock4,208	Leap Year, NVSRAM, Y2K	8KB	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
BQ32000D	Texas Instruments	IC RTC CLK/CALENDAR I2C 8-SOIC Type: Clock/Calendar Features: Leap Year, Square Wave Output, Trickle-Charger Memory Size: - Time Format: HH:MM:SS (24 hr) Date Format: YY-MM-DD-dd Interface: I2C, 2-Wire Serial Voltage - Supply: 3 V ~ 3.6 V Voltage - Supply, Battery: 1.4 V ~ 3.6 V Current - Timekeeping (Max): 100µA @ 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)	Stock13,356	Leap Year, Square Wave Output, Trickle-Charger	-	HH:MM:SS (24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	3 V ~ 3.6 V	1.4 V ~ 3.6 V	100µA @ 3.3V	-40°C ~ 85°C	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SOIC
DS1344E-33+	Maxim Integrated	IC RTC CLK/CALENDAR SPI 20-TSSOP Type: Clock/Calendar Features: Alarm, Leap Year, NVRAM, 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: 3 V ~ 5.5 V Voltage - Supply, Battery: 1.3 V ~ 5.5 V Current - Timekeeping (Max): 120µA ~ 160µA @ 3.63V ~ 5.5V 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)	Stock6,732	Alarm, Leap Year, NVRAM, Square Wave Output, Trickle Charger	96B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	SPI	3 V ~ 5.5 V	1.3 V ~ 5.5 V	120µA ~ 160µA @ 3.63V ~ 5.5V	-40°C ~ 85°C	Surface Mount	20-TSSOP (0.173", 4.40mm Width)	20-TSSOP
DS3234S#T&R	Maxim Integrated	IC RTC CLK/CALENDAR SPI 20-SOIC Type: Clock/Calendar Features: Alarm, Leap Year, Square Wave Output, SRAM, TCXO/Crystal Memory Size: 256B 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 ~ 3.8 V Current - Timekeeping (Max): 120µA ~ 160µA @ 3.63V ~ 5.5V Operating Temperature: 0°C ~ 70°C Mounting Type: Surface Mount Package / Case: 20-SOIC (0.295", 7.50mm Width) Supplier Device Package: 20-SOIC	Package: 20-SOIC (0.295", 7.50mm Width)	Stock31,074	Alarm, Leap Year, Square Wave Output, SRAM, TCXO/Crystal	256B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	SPI	2 V ~ 5.5 V	2 V ~ 3.8 V	120µA ~ 160µA @ 3.63V ~ 5.5V	0°C ~ 70°C	Surface Mount	20-SOIC (0.295", 7.50mm Width)	20-SOIC
X1288S16-4.5A	Renesas Electronics America	IC RTC CLK/CALENDAR I2C 16-SOIC 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: 0°C ~ 70°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)	Stock7,984	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	0°C ~ 70°C	Surface Mount	16-SOIC (0.295", 7.50mm Width)	16-SOIC
X1227V8Z-4.5A	Renesas Electronics America	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: 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: 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)	Stock4,720	Alarm, Leap Year, Supervisor, Watchdog Timer	-	HH:MM:SS (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	0°C ~ 70°C	Surface Mount	8-TSSOP (0.173", 4.40mm Width)	8-TSSOP
ISL1209IU10-TK	Renesas Electronics America	IC RTC EVENT REC I2C 10-MSOP Type: Time Event Recorder 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: 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Supplier Device Package: 10-MSOP	Package: 10-TFSOP, 10-MSOP (0.118", 3.00mm Width)	Stock7,872	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	10-TFSOP, 10-MSOP (0.118", 3.00mm Width)	10-MSOP
X1205S8Z	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 ~ 5V Operating Temperature: 0°C ~ 70°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)	Stock10,980	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-SOIC (0.154", 3.90mm Width)	8-SOIC
RX-4803LC:UC3 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: -	Stock5,296	-	-	-	-	-	-	-	-	-	-	-	-
RX6110SA:BB 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: -	Stock7,152	-	-	-	-	-	-	-	-	-	-	-	-
ISL12057IUZ-T	Renesas Electronics America	IC RTC CLK/CALENDAR I2C 8-MSOP 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-TSSOP, 8-MSOP (0.118", 3.00mm Width) Supplier Device Package: 8-MSOP	Package: 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	Stock6,640	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-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-MSOP
1337CSRI8	IDT, Integrated Device Technology Inc	TIMING REAL TIME CLOCK 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: -	Stock3,120	-	-	-	-	-	-	-	-	-	-	-	-
RS5C316B-E2-FB	Nisshinbo Micro Devices Inc.	WIRE INTERFACE REAL-TIME CLOCK Type: Clock/Calendar Features: Alarm, Leap Year Memory Size: - Time Format: HH:MM:SS (12/24 hr) Date Format: YY-MM-DD Interface: Parallel, Serial Voltage - Supply: 2.5V ~ 6V Voltage - Supply, Battery: - Current - Timekeeping (Max): 1.5µA ~ 2µA @ 3V ~ 6V Operating Temperature: -40°C ~ 85°C Mounting Type: Surface Mount Package / Case: 8-LSSOP (0.173", 4.40mm Width) Supplier Device Package: 8-SSOP	Package: -	Request a Quote	Alarm, Leap Year	-	HH:MM:SS (12/24 hr)	YY-MM-DD	Parallel, Serial	2.5V ~ 6V	-	1.5µA ~ 2µA @ 3V ~ 6V	-40°C ~ 85°C	Surface Mount	8-LSSOP (0.173", 4.40mm Width)	8-SSOP
1339D-31DVGI	Renesas Electronics Corporation	1339D-31 REAL TIME CLOCK 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, Serial Voltage - Supply: 3.3V ~ 5.5V Voltage - Supply, Battery: 1.3V ~ 3.7V Current - Timekeeping (Max): 200µA @ 3.63V ~ 5.5V Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: Surface Mount Package / Case: 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Supplier Device Package: 8-TSSOP	Package: -	Stock288	Alarm, Leap Year, Square Wave Output, Trickle-Charger	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I2C, Serial	3.3V ~ 5.5V	1.3V ~ 3.7V	200µA @ 3.63V ~ 5.5V	-40°C ~ 85°C (TA)	Surface Mount	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-TSSOP
RV-3129-C3-32-768KHZ-OPTION-A-TA-QC-T3	Micro Crystal AG	TIMING REAL TIME CLOCK Type: Clock/Calendar Features: Alarm, EEPROM, RAM, Trickle Charger Memory Size: 8B Time Format: HH:MM:SS Date Format: YY-MM-DD-dd Interface: I2C, 2-Wire Serial Voltage - Supply: 1.3V ~ 5.5V, 2.1V ~ 5.5V Voltage - Supply, Battery: - Current - Timekeeping (Max): 1µA @ 3V Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: Surface Mount Package / Case: 10-VCDFN Supplier Device Package: 10-SON (3.7x2.5)	Package: -	Request a Quote	Alarm, EEPROM, RAM, Trickle Charger	8B	HH:MM:SS	YY-MM-DD-dd	I2C, 2-Wire Serial	1.3V ~ 5.5V, 2.1V ~ 5.5V	-	1µA @ 3V	-40°C ~ 85°C (TA)	Surface Mount	10-VCDFN	10-SON (3.7x2.5)