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
DS1338U-18+T&R DS1338U-18+T&R
IC RTC CLK/CALENDAR I2C 8-USOP
Analog Devices Inc./Maxim Integrated
7,490 5.29000 Active Clock/Calendar Leap Year, NVSRAM, Square Wave Output 56B HH:MM:SS (12/24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 1.71V ~ 5.5V 1.3V ~ 3.7V 100µA @ 1.89V -40°C ~ 85°C Surface Mount 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) 8-uMAX/uSOP Details
ISL12058IRUZ-T ISL12058IRUZ-T
REAL TIME CLOCK
Elantec
21,000 2.26000 Obsolete Clock/Calendar Alarm, Leap Year - HH:MM:SS (12/24 hr) YY-MM-DD-dd I²C 1.8V ~ 3.6V - 0.65µA @ 1.8V -40°C ~ 85°C Surface Mount 8-UFDFN 8-µTDFN (2x2) Details
DS12885S+T&R DS12885S+T&R
IC RTC CLK/CALENDAR PAR 24-SOIC
Analog Devices Inc./Maxim Integrated
7,471 11.39000 Active 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 24-SOIC (0.295", 7.50mm Width) 24-SOIC Details
1339-31DVGI8 1339-31DVGI8
IC RTC CLK/CALENDAR I2C 8-MSOP
Renesas Electronics America Inc
7,475 3.07000 Active Clock/Calendar Alarm, Leap Year, Square Wave Output, Trickle-Charger - HH:MM:SS (12/24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 3.3V ~ 5.5V 1.3V ~ 3.7V 200µA @ 3.63V ~ 5.5V -40°C ~ 85°C Surface Mount 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) 8-TSSOP Details
MCP7940NT-E/MS MCP7940NT-E/MS
IC RTC CLK/CALENDAR I2C 8-MSOP
Microchip Technology
5,827 0.97000 Active Clock/Calendar 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-TSSOP, 8-MSOP (0.118", 3.00mm Width) 8-MSOP Details
PCA8565TS/1,118 PCA8565TS/1,118
IC RTC CLK/CALENDAR I2C 8-TSSOP
NXP USA Inc.
3,557 2.04000 Active Clock/Calendar Alarm, Leap Year, Square Wave Output, Watchdog Timer - HH:MM:SS (24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 1.8V ~ 5.5V - 1.2µA ~ 5µA @ 2V ~ 5V -40°C ~ 125°C Surface Mount 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) 8-TSSOP Details
ISL12022IBZ-T7A ISL12022IBZ-T7A
IC RTC CLK/CALENDAR I2C 8-SOIC
Renesas Electronics America Inc
9,388 5.18000 Active Clock/Calendar Alarm, Daylight Savings, Leap Year, SRAM 128B HH:MM:SS (12/24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 2.7V ~ 5.5V 1.8V ~ 5.5V 14µA ~ 15µA @ 3V ~ 5V -40°C ~ 85°C Surface Mount 8-SOIC (0.154", 3.90mm Width) 8-SOIC Details
DS1315S-33+T&R DS1315S-33+T&R
IC RTC PHANTOM PAR 16-SOIC
Analog Devices Inc./Maxim Integrated
5,482 17.24796 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 0°C ~ 70°C Surface Mount 16-SOIC (0.295", 7.50mm Width) 16-SOIC Details
PCF8563T/F4,112 PCF8563T/F4,112
IC RTC CLK/CALENDAR I2C 8-SOIC
NXP USA Inc.
1,189 0.87000 Discontinued at Digi-Key Clock/Calendar Alarm, Leap Year, Watchdog Timer - HH:MM:SS (24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 1.8V ~ 5.5V - 0.6µA ~ 0.75µA @ 2V ~ 5V -40°C ~ 85°C Surface Mount 8-SOIC (0.154", 3.90mm Width) 8-SO Details
DS1315-33+ DS1315-33+
IC RTC PHANTOM PAR 16-DIP
Analog Devices Inc./Maxim Integrated
8,827 13.26460 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 0°C ~ 70°C Through Hole 16-DIP (0.300", 7.62mm) 16-PDIP Details
BQ4285P-SB2 BQ4285P-SB2
IC RTC CLK/CALENDAR PAR 24-DIP
Texas Instruments
21,961 5.52240 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 - 0°C ~ 70°C Through Hole 24-DIP (0.600", 15.24mm) 24-PDIP Details
DS1338Z-18+ DS1338Z-18+
IC RTC CLK/CALENDAR I2C 8-SOIC
Analog Devices Inc./Maxim Integrated
2,493 5.99000 Active Clock/Calendar Leap Year, NVSRAM, Square Wave Output 56B HH:MM:SS (12/24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 1.71V ~ 5.5V 1.3V ~ 3.7V 100µA @ 1.89V -40°C ~ 85°C Surface Mount 8-SOIC (0.154", 3.90mm Width) 8-SOIC Details
DS1672-3 DS1672-3
IC RTC BINARY CNT I2C 8-DIP
Analog Devices Inc./Maxim Integrated
8,107 1.45000 Obsolete Binary Counter Trickle-Charger - Binary Binary I²C, 2-Wire Serial 2.7V ~ 3.3V 1.3V ~ 3.63V 500µA @ 3.3V -40°C ~ 85°C Through Hole 8-DIP (0.300", 7.62mm) 8-PDIP Details
DS1308U-18+T DS1308U-18+T
IC RTC CLK/CALENDAR I2C 8-UMAX
Analog Devices Inc./Maxim Integrated
8,690 4.98000 Active Clock/Calendar Leap Year, NVSRAM, Square Wave Output 56B HH:MM:SS (12/24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 1.71V ~ 5.5V 1.3V ~ 5.5V 100µA @ 200µA @ 1.89V ~ 5.5V -40°C ~ 85°C Surface Mount 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) 8-uMAX/uSOP Details
S-35199A01-HRT1 S-35199A01-HRT1
IC RTC CLK/CALENDAR
ABLIC Inc.
4,032 0.89869 Not For New Designs Clock/Calendar Alarm, Leap Year - HH:MM:SS (12/24 hr) YY-MM-DD-dd 3-Wire Serial 1.3V ~ 5.5V - 8µA ~ 14µA @ 3V ~ 5V -40°C ~ 85°C Surface Mount 12-UFBGA, WLBGA 12-UFBGA, WLBGA Details
ISL1209IU10Z-TK ISL1209IU10Z-TK
IC RTC EVENT REC I2C 10-MSOP
Renesas Electronics America Inc
6,286 3.87000 Active Time Event Recorder 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 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) 10-MSOP Details
DS1501WZ+T&R DS1501WZ+T&R
IC RTC CLK/CALENDAR PAR 28-SOIC
Analog Devices Inc./Maxim Integrated
9,599 14.59000 Active Clock/Calendar Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer, Y2K 256B HH:MM:SS (24 hr) YY-MM-DD-dd Parallel 3V ~ 3.6V 2.5V ~ 3.7V 4mA @ 3V ~ 3.6V 0°C ~ 70°C Surface Mount 28-SOIC (0.295", 7.50mm Width) 28-SOIC Details
1339-31DVGI 1339-31DVGI
IC RTC CLK/CALENDAR I2C 8-MSOP
Renesas Electronics America Inc
7,993 3.07000 Active Clock/Calendar Alarm, Leap Year, Square Wave Output, Trickle-Charger - HH:MM:SS (12/24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 3.3V ~ 5.5V 1.3V ~ 3.7V 200µA @ 3.63V ~ 5.5V -40°C ~ 85°C Surface Mount 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) 8-TSSOP Details
RV-8263-C7-32.768KHZ-20PPM-TA-QA RV-8263-C7-32.768KHZ-20PPM-TA-QA
IC RTC CLK/CALENDAR I2C 8SON
Micro Crystal AG
7,905 1.74000 Active Clock/Calendar Alarm, Leap Year, Programmable Clock Output, RAM, Timer 1B HH:MM:SS (12/24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 0.9V ~ 5.5V - 0.24µA @ 3V -40°C ~ 85°C (TA) Surface Mount 8-WCDFN 8-SON (3.2x1.5) Details
MCP79401-I/MS MCP79401-I/MS
IC RTC CLK/CALENDAR I2C 8-MSOP
Microchip Technology
6,642 1.08000 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, 8-MSOP (0.118", 3.00mm Width) 8-MSOP Details
ISL12059IBZ-T ISL12059IBZ-T
REAL TIME CLOCK
Elantec
10,000 2.26000 Obsolete Clock/Calendar Leap Year - HH:MM:SS (24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 1.8V ~ 3.6V - 0.65µA @ 1.8V -40°C ~ 85°C Surface Mount 8-SOIC (0.154", 3.90mm Width) 8-SOIC Details
CDP68HC68T1M96 CDP68HC68T1M96
SERIAL RTC WITH RAM
Intersil
2,131 5.65000 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
DS1673S-3+ DS1673S-3+
IC RTC SYSTEM CTRLR SER 20-SOIC
Analog Devices Inc./Maxim Integrated
1,357 10.67000 Active Portable System Controller Alarm, Leap Year, Watchdog Timer - HH:MM:SS (12/24 hr) YY-MM-DD-dd 3-Wire Serial 2.7V ~ 3.3V 2.5V ~ 3.7V 100µA @ 3V 0°C ~ 70°C Surface Mount 20-SOIC (0.295", 7.50mm Width) 20-SOIC Details
1338-31DVGI 1338-31DVGI
IC RTC CLK/CALENDAR I2C 8-TSSOP
Renesas Electronics America Inc
62 3.07000 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

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