Clock/Timing - Real Time Clocks

1,966 parts
Mfr Part # Qty Price Product Status 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
RV-3129-C3-32.768KHZ-OPTION-B-TA-QC RV-3129-C3-32.768KHZ-OPTION-B-TA-QC
IC RTC CLK/CALENDAR I2C 10SON
Micro Crystal AG
15,768 3.37000 Active Clock/Calendar Alarm, EEPROM, Leap Year, Programmable Clock Output, RAM, Temperature, Timer, Trickle Charger 2B, 8B HH:MM:SS (12/24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 1.3V ~ 5.5V - 1µA @ 3V -40°C ~ 85°C (TA) Surface Mount 10-VCDFN 10-SON (3.7x2.5) Details
PT7C4372ALEX PT7C4372ALEX
IC RTC CLK/CALENDAR I2C TSSOP
Diodes Incorporated
7,502 0.95000 Active Clock/Calendar Alarm, Leap Year - HH:MM:SS (12/24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 1.8V ~ 6V - 0.8µA @ 3V -40°C ~ 85°C Surface Mount 8-TSSOP (0.173", 4.40mm Width) 8-TSSOP Details
DS1691 DS1691
IC RTC CLK/CALENDAR PAR 28-EDIP
Analog Devices Inc./Maxim Integrated
402 12.93500 Obsolete Clock/Calendar Alarm, Leap Year, Square Wave Output, Unique ID 114B HH:MM:SS (12/24 hr) YY-MM-DD Parallel 2.7V ~ 3.3V, 4.5V ~ 5.5V - - 0°C ~ 70°C Through Hole 28-DIP Module (0.600", 15.24mm) 28-EDIP Details
MCP79400T-I/MNY MCP79400T-I/MNY
IC RTC CLK/CALENDAR I2C 8-TDFN
Microchip Technology
6,577 1.04000 Active Clock/Calendar Alarm, Leap Year, Square Wave Output, SRAM, Unique ID 64B HH:MM:SS (12/24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 1.8V ~ 5.5V 1.3V ~ 5.5V 1.2µA (Typ) @ 3.3V -40°C ~ 85°C Surface Mount 8-WFDFN Exposed Pad 8-TDFN (2x3) Details
DS12C887+ DS12C887+
IC RTC CLK/CALENDAR PAR 24-EDIP
Analog Devices Inc./Maxim Integrated
1,255 15.74000 Active Clock/Calendar Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 113B HH:MM:SS (12/24 hr) YY-MM-DD-dd Parallel 4.5V ~ 5.5V 2.5V ~ 4V 15mA @ 4.5V ~ 5.5V 0°C ~ 70°C Through Hole 24-DIP Module (0.600", 15.24mm) 24-EDIP Details
PCF2123BS/1,518 PCF2123BS/1,518
IC RTC CLK/CALENDAR SPI 16-HVQFN
NXP USA Inc.
9,224 1.34000 Active Clock/Calendar Alarm, Leap Year, Square Wave Output, Watchdog Timer - HH:MM:SS (12/24 hr) YY-MM-DD-dd SPI 1.6V ~ 5.5V - 0.33µA ~ 0.38µA @ 2V ~ 5V -40°C ~ 85°C Surface Mount 16-VFQFN Exposed Pad 16-HVQFN (3x3) Details
DS1306EN+ DS1306EN+
IC RTC CLK/CALENDAR SPI 20-TSSOP
Analog Devices Inc./Maxim Integrated
4,466 8.59000 Active Clock/Calendar Alarm, Leap Year, NVSRAM, Square Wave Output, Trickle-Charger 96B HH:MM:SS (12/24 hr) YY-MM-DD-dd SPI 2V ~ 5.5V 2V ~ 5.5V 25.3µA ~ 81µA @ 2V ~ 5V -40°C ~ 85°C Surface Mount 20-TSSOP (0.173", 4.40mm Width) 20-TSSOP Details
1338-31DVGI8 1338-31DVGI8
IC RTC CLK/CALENDAR I2C 8-TSSOP
Renesas Electronics America Inc
4,780 1.63206 Active Clock/Calendar Leap Year, NVSRAM, Square Wave Output 56B HH:MM:SS (12/24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 3.3V ~ 5.5V 1.3V ~ 3.7V 5µA @ 3.63V ~ 5.5V -40°C ~ 85°C Surface Mount 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) 8-MSOP Details
DS3234S#T&R DS3234S#T&R
IC RTC CLK/CALENDAR SPI 20-SOIC
Analog Devices Inc./Maxim Integrated
4,583 11.59000 Active Clock/Calendar Alarm, Leap Year, Square Wave Output, SRAM, TCXO/Crystal 256B HH:MM:SS (12/24 hr) YY-MM-DD-dd SPI 2V ~ 5.5V 2V ~ 3.8V 120µA ~ 160µA @ 3.63V ~ 5.5V 0°C ~ 70°C Surface Mount 20-SOIC (0.295", 7.50mm Width) 20-SOIC Details
MCP79511T-I/MS MCP79511T-I/MS
IC RTC CLK/CALENDAR SPI 10-MSOP
Microchip Technology
4,425 1.39000 Active Clock/Calendar Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID 64B HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd SPI 1.8V ~ 3.6V 1.3V ~ 3.6V 1µA @ 1.8V ~ 3.6V -40°C ~ 85°C Surface Mount 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) 10-MSOP Details
DS1672S-33+ DS1672S-33+
IC RTC BINARY CNT I2C 8-SOIC
Analog Devices Inc./Maxim Integrated
2,459 4.46000 Active Binary Counter Trickle-Charger - Binary Binary I²C, 2-Wire Serial 2.97V ~ 3.63V 1.3V ~ 3.63V 500µA @ 3.63V -40°C ~ 85°C Surface Mount 8-SOIC (0.154", 3.90mm Width) 8-SOIC Details
DS1388Z-3+T&R DS1388Z-3+T&R
IC RTC CLK/CALENDAR I2C 8-SOIC
Analog Devices Inc./Maxim Integrated
4,613 6.67000 Active Clock/Calendar EEPROM, Leap Year, Supervisor, Trickle-Charger, Watchdog Timer 512B HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 2.7V ~ 3.3V 1.3V ~ 5.5V 140µA @ 2.7V ~ 3.3V -40°C ~ 85°C Surface Mount 8-SOIC (0.154", 3.90mm Width) 8-SOIC Details
MCP795W21-I/ST MCP795W21-I/ST
IC RTC CLK/CALENDAR SPI 14-TSSOP
Microchip Technology
76 1.98000 Active Clock/Calendar Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID, Watchdog Timer 64B HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd SPI 1.8V ~ 3.6V 1.3V ~ 3.6V 1µA @ 1.8V ~ 5.5V -40°C ~ 85°C Surface Mount 14-TSSOP (0.173", 4.40mm Width) 14-TSSOP Details
MCP79402T-I/ST MCP79402T-I/ST
IC RTC CLK/CALENDAR I2C 8-TSSOP
Microchip Technology
3,178 0.96250 Active Clock/Calendar Alarm, Leap Year, Square Wave Output, SRAM, Unique ID 64B HH:MM:SS (12/24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 1.8V ~ 5.5V 1.3V ~ 5.5V 1.2µA (Typ) @ 3.3V -40°C ~ 85°C Surface Mount 8-TSSOP (0.173", 4.40mm Width) 8-TSSOP Details
ISL12082IB8Z ISL12082IB8Z
IC RTC CLK/CALENDAR I2C 8-SOIC
Renesas Electronics America Inc
980 3.60000 Obsolete Clock/Calendar Alarm, Leap Year, Watchdog Timer - HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 2.7V ~ 5.5V 1.8V ~ 5.5V 4µA ~ 6µA @ 3V ~ 5V -40°C ~ 85°C Surface Mount 8-SOIC (0.154", 3.90mm Width) 8-SOIC Details
CDP68HC68T1M CDP68HC68T1M
SERIAL RTC WITH RAM
Intersil
1,476 13.90000 Obsolete Clock/Calendar Alarm, Leap Year, Square Wave Output, Watchdog Timer 32B HH:MM:SS (12/24 hr) YY-MM-DD-dd SPI 3V ~ 6V 2.2V ~ 6V 20µA ~ 500µA @ 5V -40°C ~ 85°C Surface Mount 20-SOIC (0.295", 7.50mm Width) 20-SOIC Details
ISL12027IV27Z ISL12027IV27Z
RTC, NON-VOLATILE
Intersil
8,003 3.47000 Obsolete Clock/Calendar Alarm, Leap Year, Supervisor, Watchdog Timer - HH:MM:SS (12/24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 2.7V ~ 5.5V 1.8V ~ 5.5V 10µA ~ 20µA @ 2.7V ~ 5.5V -40°C ~ 85°C Surface Mount 8-TSSOP (0.173", 4.40mm Width) 8-TSSOP Details
ISL1208IB8Z-TK ISL1208IB8Z-TK
IC RTC CLK/CALENDAR I2C 8-SOIC
Renesas Electronics America Inc
29,340 2.82000 Active Clock/Calendar Alarm, Leap Year, SRAM 2B HH:MM:SS (12/24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 2.7V ~ 5.5V 1.8V ~ 5.5V 4µA ~ 6µA @ 3V ~ 5V -40°C ~ 85°C Surface Mount 8-SOIC (0.154", 3.90mm Width) 8-SOIC Details
DS12885T DS12885T
IC RTC CLK/CALENDAR PAR 32-TQFP
Analog Devices Inc./Maxim Integrated
8,438 5.48750 Obsolete Clock/Calendar Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 114B HH:MM:SS (12/24 hr) YY-MM-DD-dd Parallel 4.5V ~ 5.5V 2.5V ~ 4V 15mA @ 4.5V ~ 5.5V 0°C ~ 70°C Surface Mount 32-TQFP 32-TQFP (7x7) Details
DS1670S+ DS1670S+
IC RTC SYSTEM CTRLR SER 20-SOIC
Analog Devices Inc./Maxim Integrated
6,208 10.67000 Active Portable System Controller Alarm, Leap Year, Watchdog Timer - HH:MM:SS (12/24 hr) YY-MM-DD-dd 3-Wire Serial 2.97V ~ 3.63V 2.5V ~ 3.7V 100µA @ 3.3V 0°C ~ 70°C Surface Mount 20-SOIC (0.295", 7.50mm Width) 20-SOIC Details
BQ4845S-A4N BQ4845S-A4N
IC RTC CLK/CALENDAR PAR 28-SOIC
Texas Instruments
528 4.01000 Obsolete Clock/Calendar Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer - HH:MM:SS (12/24 hr) YY-MM-DD-dd Parallel 4.75V ~ 5.5V 2.3V ~ 4V 1.5mA (Typ) @ 4.5 V ~ 5.5 V -40°C ~ 85°C Surface Mount 28-SOIC (0.295", 7.50mm Width) 28-SOIC Details
DS1673E-5+T&R DS1673E-5+T&R
IC RTC SYSTEM CTRLR SER 20-TSSOP
Analog Devices Inc./Maxim Integrated
9,324 7.11213 Active Portable System Controller Alarm, Leap Year, Watchdog Timer - HH:MM:SS (12/24 hr) YY-MM-DD-dd 3-Wire Serial 4.5V ~ 5.5V 2.5V ~ 3.7V 300µA @ 5V 0°C ~ 70°C Surface Mount 20-TSSOP (0.173", 4.40mm Width) 20-TSSOP Details
DS1315EN-33+ DS1315EN-33+
IC RTC PHANTOM PAR 20-TSSOP
Analog Devices Inc./Maxim Integrated
8,797 23.63311 Active Phantom Time Chip Leap Year - HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd Parallel 3V ~ 3.6V 2.5V ~ 3.7V 1.1mA @ 3.3V -40°C ~ 85°C Surface Mount 20-TSSOP (0.173", 4.40mm Width) 20-TSSOP Details
DS17285S-5+T&R DS17285S-5+T&R
IC RTC CLK/CALENDAR PAR 24-SOIC
Analog Devices Inc./Maxim Integrated
4,947 8.64788 Active Clock/Calendar Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 2KB HH:MM:SS (12/24 hr) YY-MM-DD-dd Parallel 4.5V ~ 5.5V 2.5V ~ 3.7V 3mA @ 4.5V ~ 5.5V 0°C ~ 70°C Surface Mount 24-SOIC (0.295", 7.50mm Width) 24-SOIC Details

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