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
DS17885S-3+ DS17885S-3+
IC RTC CLK/CALENDAR PAR 24-SOIC
Analog Devices Inc./Maxim Integrated
60 28.93000 Active Clock/Calendar Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 8KB HH:MM:SS (12/24 hr) YY-MM-DD-dd Parallel 2.7V ~ 3.7V 2.5V ~ 3.7V 2mA @ 2.7V ~ 3.7V 0°C ~ 70°C Surface Mount 24-SOIC (0.295", 7.50mm Width) 24-SOIC Details
DS1338U-33 DS1338U-33
IC RTC CLK/CALENDAR I2C 8-USOP
Analog Devices Inc./Maxim Integrated
8,469 1.87000 Obsolete Clock/Calendar Leap Year, NVSRAM, Square Wave Output 56B HH:MM:SS (12/24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 3V ~ 5.5V 1.3V ~ 3.7V 125µA ~ 200µA @ 3.63V ~ 5.5V -40°C ~ 85°C Surface Mount 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) 8-uMAX/uSOP Details
BQ3285LDSS BQ3285LDSS
IC RTC CLK/CALENDAR PAR 24-QSOP
Texas Instruments
16,900 3.89000 Obsolete Clock/Calendar Alarm, Daylight Savings, NVSRAM 242B HH:MM:SS (12/24 hr) YY-MM-DD-dd Parallel 2.7V ~ 5.5V 2.4V ~ 4V 100µA @ 3V 0°C ~ 70°C Surface Mount 24-SSOP (0.154", 3.90mm Width) 24-SSOP Details
ISL12026IVZ-T ISL12026IVZ-T
IC RTC CLK/CALENDAR I2C 8-TSSOP
Renesas Electronics America Inc
9,370 3.96000 Active Clock/Calendar Alarm, Leap Year - 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
DS1337S+ DS1337S+
IC RTC CLK/CALENDAR I2C 8-SOIC
Analog Devices Inc./Maxim Integrated
3,411 4.52000 Active Clock/Calendar Alarm, Leap Year, Square Wave Output - HH:MM:SS (12/24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 1.8V ~ 5.5V - 0.6µA @ 1.3V ~ 1.8V -40°C ~ 85°C Surface Mount 8-SOIC (0.154", 3.90mm Width) 8-SOIC Details
ISL12029AIB27Z ISL12029AIB27Z
REAL TIME CLOCK
Intersil
10,876 4.29000 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 14-SOIC (0.154", 3.90mm Width) 14-SOIC Details
MCP795W10-I/SL MCP795W10-I/SL
IC RTC CLK/CALENDAR SPI 14-SOIC
Microchip Technology
2,208 1.75000 Active Clock/Calendar Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, 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-SOIC (0.154", 3.90mm Width) 14-SOIC Details
DS1673E-3+T&R DS1673E-3+T&R
IC RTC SYSTEM CTRLR SER 20-TSSOP
Analog Devices Inc./Maxim Integrated
4,958 7.53091 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-TSSOP (0.173", 4.40mm Width) 20-TSSOP Details
DS1338U-33/T&R DS1338U-33/T&R
IC RTC CLK/CALENDAR I2C 8-USOP
Analog Devices Inc./Maxim Integrated
4,004 1.60000 Obsolete Clock/Calendar Leap Year, NVSRAM, Square Wave Output 56B HH:MM:SS (12/24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 3V ~ 5.5V 1.3V ~ 3.7V 125µA ~ 200µA @ 3.63V ~ 5.5V -40°C ~ 85°C Surface Mount 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) 8-uMAX/uSOP Details
R2223T-E2-F R2223T-E2-F
2-WIRE SERIAL INTERFACE REAL TIM
Nisshinbo Micro Devices Inc.
9,674 1.55000 Active Clock/Calendar 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 Details
DS1302SN-16/TR DS1302SN-16/TR
TRICKLE-CHARGE TIMEKEEPING CHIP
Analog Devices Inc./Maxim Integrated
2,750 3.74000 Active - - - - - - - - - - - - - Details
DS1685S-5+ DS1685S-5+
IC RTC CLK/CALENDAR PAR 24-SOIC
Analog Devices Inc./Maxim Integrated
155 10.39000 Active Clock/Calendar Alarm, NVSRAM, Square Wave Output, Y2K 242B HH:MM:SS (12/24 hr) YY-MM-DD-dd Parallel 4.5V ~ 5.5V 2.5V ~ 3.7V 3mA @ 5V 0°C ~ 70°C Surface Mount 24-SOIC (0.295", 7.50mm Width) 24-SOIC Details
M48T35Y-70MH1F M48T35Y-70MH1F
IC RTC CLK/CALENDAR PAR 28SOH
STMicroelectronics
3,949 21.05000 Active Clock/Calendar Leap Year - HH:MM:SS (24 hr) YY-MM-DD-dd Parallel 4.5V ~ 5.5V - 2mA @ 4.75V ~ 5.5V 0°C ~ 70°C Surface Mount 28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets 28-SOH Details
ISL12022IBZ ISL12022IBZ
IC RTC CLK/CALENDAR I2C 8-SOIC
Renesas Electronics America Inc
6,299 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
ISL12058IRTZ ISL12058IRTZ
IC RTC CLK/CALENDAR I2C 8-TDFN
Renesas Electronics America Inc
1,027 2.73000 Active Clock/Calendar Alarm, Leap Year - HH:MM:SS (12/24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 1.8V ~ 3.6V - 0.65µA @ 1.8V -40°C ~ 85°C Surface Mount 8-WDFN Exposed Pad 8-TDFN (3x3) Details
V3021SO8A+ V3021SO8A+
ULTRA LOW POWER 1-BIT 32KHZ RTC,
EM Microelectronic
5,165 4.22000 Active Clock/Calendar Alarm, Leap Year, RAM 1B HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd 3-Wire Serial 2V ~ 5.5V - 10µA @ 5V -40°C ~ 85°C (TA) Surface Mount 8-SOIC (0.154", 3.90mm Width) 8-SOIC Details
RV-3032-C7-32.768KHZ 2.5PPM-TA-QA RV-3032-C7-32.768KHZ 2.5PPM-TA-QA
IC RTC CLK/CALENDAR I2C 8-SON
Micro Crystal AG
16,241 4.70000 Active Clock/Calendar Alarm, Battery Switch, Clock Output Hz-MHz, Event Input, Temperature Alarm, Timer, Trickle Charge with Charge Pump 16B, 32B HH:MM:SS:100th (24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 1.3V ~ 5.5V - 210nA @ 3V -40°C ~ 85°C (TA) Surface Mount 8-WCDFN 8-SON (3.2x1.5) Details
DS1501WZN+ DS1501WZN+
IC RTC CLK/CALENDAR PAR 28-SOIC
Analog Devices Inc./Maxim Integrated
5,704 16.42000 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 -40°C ~ 85°C Surface Mount 28-SOIC (0.295", 7.50mm Width) 28-SOIC Details
PCF2127AT/2Y PCF2127AT/2Y
IC RTC CLK/CAL I2C/SPI 20-SOIC
NXP USA Inc.
5,050 5.04000 Active Clock/Calendar Alarm, Leap Year, Square Wave Output, SRAM, TCXO/Crystal, Watchdog Timer 512B HH:MM:SS (12/24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 1.8V ~ 4.2V 1.8V ~ 4.2V 1.5µA @ 3.3V -40°C ~ 85°C Surface Mount 20-SOIC (0.295", 7.50mm Width) 20-SO Details
DS1685QN-5 DS1685QN-5
IC RTC CLK/CALENDAR PAR 28-PLCC
Analog Devices Inc./Maxim Integrated
1,592 3.72500 Obsolete Clock/Calendar Alarm, NVSRAM, Square Wave Output, Y2K 242B HH:MM:SS (12/24 hr) YY-MM-DD-dd Parallel 4.5V ~ 5.5V 2.5V ~ 3.7V 3mA @ 5V -40°C ~ 85°C Surface Mount 28-LCC (J-Lead) 28-PLCC (11.51x11.51) Details
M41T83SMY6F M41T83SMY6F
IC RTC CLK/CALENDAR I2C 18-SOX
STMicroelectronics
3 4.74000 Active Clock/Calendar Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer 7B HH:MM:SS:hh (24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 3V ~ 5.5V 2V ~ 5.5V 10µA @ 5.5V -40°C ~ 85°C Surface Mount 18-SOX, 18-SOIC with Crystal (7.5mm Width) 18-SOX Details
RV-3032-C7-32.768KHZ-2.5PPM-TA-QC RV-3032-C7-32.768KHZ-2.5PPM-TA-QC
IC RTC CLK/CALENDAR I2C 8-SON
Micro Crystal AG
2,070 3.18000 Active Clock/Calendar Alarm, Battery Switch, Clock Output Hz-MHz, Event Input, Temperature Alarm, Timer, Trickle Charge with Charge Pump 16B, 32B HH:MM:SS:100th (24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 1.3V ~ 5.5V - 210nA @ 3V -40°C ~ 85°C (TA) Surface Mount 8-WCDFN 8-SON (3.2x1.5) Details
PT7C4563BUEX PT7C4563BUEX
IC RTC I2C SER 8MSOP T&R 2.5K
Diodes Incorporated
6,235 0.43500 Active Clock/Calendar Alarm, Leap Year, Square Wave Output - HH:MM:SS (24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 1.3V ~ 5.5V - 0.65µA ~ 0.85µA @ 3V ~ 5V -40°C ~ 85°C (TA) Surface Mount 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) 8-MSOP Details
RV-8564-C2-32.768KHZ-20PPM-TA-QC RV-8564-C2-32.768KHZ-20PPM-TA-QC
IC RTC CLK/CALENDAR I2C 10SON
Micro Crystal AG
2,253 3.70271 Active Clock/Calendar Alarm, Leap Year, Programmable Clock Output, Timer - HH:MM:SS (24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 1V ~ 5.5V - 0.35µA @ 3V -40°C ~ 85°C (TA) Surface Mount 10-TCDFN Exposed Pad 10-SON (5x3.2) Details

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