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
ISL12024IBZ-T ISL12024IBZ-T
IC RTC CLK/CALENDAR I2C 8-SOIC
Renesas Electronics America Inc
5,000 5.01000 Obsolete Clock/Calendar Alarm, Leap Year, Unique ID - 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-SOIC (0.154", 3.90mm Width) 8-SOIC Details
DS1388Z-5+ DS1388Z-5+
IC RTC CLK/CALENDAR I2C 8-SOIC
Analog Devices Inc./Maxim Integrated
4,178 7.56000 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 4.5V ~ 5.5V 1.3V ~ 5.5V 270µA @ 4.5V ~ 5.5V -40°C ~ 85°C Surface Mount 8-SOIC (0.154", 3.90mm Width) 8-SOIC Details
DS1683S+ DS1683S+
IC RTC ELAPSED CNT I2C 8-SOIC
Analog Devices Inc./Maxim Integrated
1,423 6.67000 Active Elapsed Time Counter Alarm, EEPROM 16B Binary Binary I²C, 2-Wire Serial 2.5V ~ 5.5V - - -40°C ~ 85°C Surface Mount 8-SOIC (0.154", 3.90mm Width) 8-SOIC Details
RV-8263-C7-32.768KHZ-20PPM-TA-QC RV-8263-C7-32.768KHZ-20PPM-TA-QC
IC RTC CLK/CALENDAR I2C 8SON
Micro Crystal AG
5,979 1.60000 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
DS1338C-33# DS1338C-33#
IC RTC CLK/CALENDAR I2C 16-SOIC
Analog Devices Inc./Maxim Integrated
2 9.34000 Active 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 16-SOIC (0.295", 7.50mm Width) 16-SOIC Details
PCF85063TP/1Z PCF85063TP/1Z
IC RTC CLK/CALENDAR I2C 8-SON
NXP USA Inc.
81,769 0.88000 Active Clock/Calendar Alarm, Leap Year, Square Wave Output - HH:MM:SS (12/24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 0.9V ~ 5.5V - 0.6µA @ 3.3V -40°C ~ 85°C Surface Mount 8-WFDFN Exposed Pad 8-HWSON (2x3) Details
DS1347T+T&R DS1347T+T&R
IC RTC CLK/CALENDAR SPI 8-TDFN
Analog Devices Inc./Maxim Integrated
3,730 4.54000 Active Clock/Calendar Alarm, Leap Year, SRAM - HH:MM:SS (12/24 hr) YY-MM-DD-dd SPI 2V ~ 5.5V - 0.7µA ~ 0.8µA @ 2V ~ 5V -40°C ~ 85°C Surface Mount 8-WDFN Exposed Pad 8-TDFN (3x3) Details
DS1302S+ DS1302S+
IC RTC CLK/CALENDAR SER 8-SOIC
Analog Devices Inc./Maxim Integrated
3,344 4.79000 Active Clock/Calendar Leap Year, NVSRAM, Trickle-Charger 31B HH:MM:SS (12/24 hr) YY-MM-DD-dd 3-Wire Serial 2V ~ 5.5V 2V ~ 5.5V 0.3µA ~ 1µA @ 2V ~ 5V 0°C ~ 70°C Surface Mount 8-SOIC (0.209", 5.30mm Width) 8-SOIC Details
S-35190A-I8T1U S-35190A-I8T1U
IC RTC CLK/CALENDAR SER SNT-8A
ABLIC Inc.
2,505 1.47000 Active Clock/Calendar Alarm, Leap Year - HH:MM:SS (12/24 hr) YY-MM-DD-dd 3-Wire Serial 1.3V ~ 5.5V - 0.93µA ~ 1.1µA @ 3V ~ 5V -40°C ~ 85°C Surface Mount 8-SMD, Flat Lead SNT-8A Details
BQ3285ESSTR BQ3285ESSTR
IC RTC CLK/CALENDAR PAR 24-QSOP
Texas Instruments
14,241 3.35000 Obsolete Clock/Calendar Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 242B HH:MM:SS (12/24 hr) YY-MM-DD-dd Parallel 4.5V ~ 5.5V 2.5V ~ 4V 300µA @ 5V 0°C ~ 70°C Surface Mount 24-SSOP (0.154", 3.90mm Width) 24-SSOP Details
DS1743P-100 DS1743P-100
IC RTC RAM Y2K 5V 100NS 34-PCM
Analog Devices Inc./Maxim Integrated
2,380 12.50000 Obsolete Clock/Calendar Leap Year, NVSRAM, Y2K 8KB HH:MM:SS (24 hr) YY-MM-DD-dd Parallel 4.5V ~ 5.5V 3V 3mA @ 5V 0°C ~ 70°C Surface Mount 34-PowerCap™ Module 34-PowerCap Module Details
DS12885SN+T&R DS12885SN+T&R
IC RTC CLK/CALENDAR PAR 24-SOIC
Analog Devices Inc./Maxim Integrated
2,107 8.06162 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 -40°C ~ 85°C Surface Mount 24-SOIC (0.295", 7.50mm Width) 24-SOIC Details
DS1308U-33+T DS1308U-33+T
IC RTC CLK/CALENDAR I2C 8-UMAX
Analog Devices Inc./Maxim Integrated
19,119 5.16000 Active 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 ~ 5.5V 125µA ~ 200µA @ 3V ~ 5.5V -40°C ~ 85°C Surface Mount 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) 8-uMAX/uSOP Details
ISL12029IB27AZ ISL12029IB27AZ
RTC, NON-VOLATILE, 1 TIMER(S)
Intersil
5,423 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
DS1746P-70+ DS1746P-70+
IC RTC CLK/CALENDAR PAR 34-PCM
Analog Devices Inc./Maxim Integrated
138 51.91000 Active Clock/Calendar Leap Year, NVSRAM, Y2K 128KB HH:MM:SS (24 hr) YY-MM-DD-dd Parallel 4.5V ~ 5.5V 3V 4mA @ 5V 0°C ~ 70°C Surface Mount 34-PowerCap™ Module 34-PowerCap Module Details
DS1340U-3+T&R DS1340U-3+T&R
IC RTC CLK/CALENDAR I2C 8-USOP
Analog Devices Inc./Maxim Integrated
6,446 5.40000 Active Clock/Calendar Leap Year, Trickle-Charger - HH:MM:SS (24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 2.7V ~ 5.5V 1.3V ~ 3.7V 125µA @ 3.3V -40°C ~ 85°C Surface Mount 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) 8-uMAX/uSOP Details
BQ4845S-A4TR BQ4845S-A4TR
IC RTC CLK/CALENDAR PAR 28-SOIC
Texas Instruments
9,213 7.86826 Active 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 0°C ~ 70°C Surface Mount 28-SOIC (0.295", 7.50mm Width) 28-SOIC Details
BQ4802LYDWR BQ4802LYDWR
IC RTC CLK/CALENDAR PAR 28-SOIC
Texas Instruments
2,203 7.42000 Active Clock/Calendar Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer - HH:MM:SS (12/24 hr) YY-MM-DD-dd Parallel 2.7V ~ 3.6V 2.4V ~ 4V 1.5mA (Typ) @ 2.7 V ~ 3.6 V 0°C ~ 70°C Surface Mount 28-SOIC (0.295", 7.50mm Width) 28-SOIC Details
DS1685Q-3+ DS1685Q-3+
IC RTC CLK/CALENDAR PAR 28-PLCC
Analog Devices Inc./Maxim Integrated
234 6.76000 Obsolete Clock/Calendar Alarm, NVSRAM, Square Wave Output, Y2K 242B HH:MM:SS (12/24 hr) YY-MM-DD-dd Parallel 2.7V ~ 3.7V 2.5V ~ 3.7V 2mA @ 3V 0°C ~ 70°C Surface Mount 28-LCC (J-Lead) 28-PLCC (11.51x11.51) Details
CDP6818AD CDP6818AD
CMOS REAL-TIME CLOCK WITH RAM
Harris Corporation
69 5.69000 Active Clock/Calendar Alarm, Leap Year, Square Wave Output 50B HH:MM:SS (12/24 hr) YY-MM-DD-dd - 3V ~ 6V - 50µA ~ 3mA @ 3V ~ 5V 0°C ~ 70°C (TA) Through Hole 24-CDIP (0.600", 15.24mm) 24-SBDIP Details
DS1685E-5+ DS1685E-5+
IC RTC CLK/CALENDAR PAR 24-TSSOP
Analog Devices Inc./Maxim Integrated
4,734 10.41000 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-TSSOP (0.173", 4.40mm Width) 24-TSSOP Details
DS1688S DS1688S
IC RTC CLK/CALENDAR PAR 28-SOIC
Analog Devices Inc./Maxim Integrated
532 4.70254 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 Surface Mount 28-SOIC (0.337", 8.56mm Width) 28-SOIC Details
DS17887-5IND+ DS17887-5IND+
IC RTC CLK/CALENDAR PAR 24-EDIP
Analog Devices Inc./Maxim Integrated
7,101 34.45643 Active Clock/Calendar Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 8KB HH:MM:SS (12/24 hr) YY-MM-DD-dd Parallel 4.5V ~ 5.5V 2.5V ~ 3.7V 3mA @ 4.5V ~ 5.5V -40°C ~ 85°C Through Hole 24-DIP Module (0.600", 15.24mm) 24-EDIP Details
MCP79411-I/SN MCP79411-I/SN
IC RTC CLK/CALENDAR I2C 8-SOIC
Microchip Technology
8,547 1.13000 Active Clock/Calendar Alarm, Leap Year, Square Wave Output, SRAM, Unique ID 64B, 1Kb 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 ~ 85°C Surface Mount 8-SOIC (0.154", 3.90mm Width) 8-SOIC Details

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