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
DP8570AV DP8570AV
REAL TIME CLOCK, VOLATILE, 2 TIM
National Semiconductor
263 30.38000 Active Timer Clock Peripheral (TCP) Alarm, Leap Year 44B HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd Parallel 4.5V ~ 5.5V 2.2V ~ 5.1V 1µA @ 5V -40°C ~ 85°C Surface Mount 28-LCC (J-Lead) 28-PLCC (11.51x11.51) Details
DS1307Z+ DS1307Z+
IC RTC CLK/CALENDAR I2C 8-SOIC
Analog Devices Inc./Maxim Integrated
9,064 5.44000 Active Clock/Calendar Leap Year, NVSRAM, Square Wave Output 56B HH:MM:SS (12/24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 4.5V ~ 5.5V 2V ~ 3.5V 200µA @ 5V 0°C ~ 70°C Surface Mount 8-SOIC (0.154", 3.90mm Width) 8-SOIC Details
DS1244YP-70+ DS1244YP-70+
IC RTC PHANTOM PAR 34-PCM
Analog Devices Inc./Maxim Integrated
2,818 38.03225 Active Phantom Time Chip Leap Year, NVSRAM 32KB HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd Parallel 4.5V ~ 5.5V 3V 10mA @ 5V 0°C ~ 70°C Surface Mount 34-PowerCap™ Module 34-PowerCap Module Details
DS1687-3+ DS1687-3+
IC RTC CLK/CALENDAR PAR 24-EDIP
Analog Devices Inc./Maxim Integrated
1,364 23.29000 Active 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 Through Hole 24-DIP Module (0.600", 15.24mm) 24-EDIP Details
BQ3285S-SB2TR BQ3285S-SB2TR
IC RTC CLK/CALENDAR PAR 24-SOIC
Texas Instruments
800 2.86400 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 Surface Mount 24-SOIC (0.295", 7.50mm Width) 24-SOIC Details
ISL1208IRT8Z ISL1208IRT8Z
IC RTC CLK/CALENDAR I2C 8-TDFN
Renesas Electronics America Inc
799 4.92000 Obsolete 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-WDFN Exposed Pad 8-TDFN (3x3) Details
MCP7940N-I/MS MCP7940N-I/MS
IC RTC CLK/CALENDAR I2C 8-MSOP
Microchip Technology
2,198 0.90000 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 ~ 85°C Surface Mount 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) 8-MSOP Details
ISL1208IU8 ISL1208IU8
RTC, NON-VOLATILE
Intersil
4,503 1.78000 Obsolete 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-TSSOP, 8-MSOP (0.118", 3.00mm Width) 8-MSOP Details
DS1308U-3+T DS1308U-3+T
IC RTC CLK/CALENDAR I2C 8-UMAX
Analog Devices Inc./Maxim Integrated
1,682 2.85791 Active Clock/Calendar Leap Year, NVSRAM, Square Wave Output 56B HH:MM:SS (12/24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 2.7V ~ 5.5V 1.3V ~ 5.5V - -40°C ~ 85°C Surface Mount 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) 8-uMAX/uSOP Details
DS17887-3IND+ DS17887-3IND+
IC RTC CLK/CALENDAR PAR 24-EDIP
Analog Devices Inc./Maxim Integrated
9,772 48.55000 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 -40°C ~ 85°C Through Hole 24-DIP Module (0.600", 15.24mm) 24-EDIP Details
DS1672S-2+ DS1672S-2+
IC RTC BINARY CNT I2C 8-SOIC
Analog Devices Inc./Maxim Integrated
2,255 3.02380 Active Binary Counter Trickle-Charger - Binary Binary I²C, 2-Wire Serial 1.8V ~ 2.2V 1.3V ~ 3.63V 500µA @ 2.2V -40°C ~ 85°C Surface Mount 8-SOIC (0.154", 3.90mm Width) 8-SOIC Details
DS12R885S-33+T&R DS12R885S-33+T&R
IC RTC CLK/CALENDAR PAR 24-SOIC
Analog Devices Inc./Maxim Integrated
3,889 3.59368 Active Clock/Calendar Alarm, Leap Year, NVSRAM, Square Wave Output, Trickle-Charger 114B HH:MM:SS (12/24 hr) YY-MM-DD-dd Parallel 2.97V ~ 3.63V 2V ~ 3.05V 2mA @ 2.97V ~ 3.63V -40°C ~ 85°C Surface Mount 24-SOIC (0.295", 7.50mm Width) 24-SOIC Details
DS1344E-33+ DS1344E-33+
IC RTC CLK/CALENDAR SPI 20-TSSOP
Analog Devices Inc./Maxim Integrated
8,443 6.95000 Active Clock/Calendar Alarm, Leap Year, NVRAM, Square Wave Output, Trickle Charger 96B HH:MM:SS (12/24 hr) YY-MM-DD-dd SPI 3V ~ 5.5V 1.3V ~ 5.5V 120µA ~ 160µA @ 3.63V ~ 5.5V -40°C ~ 85°C Surface Mount 20-TSSOP (0.173", 4.40mm Width) 20-TSSOP Details
ISL12057IUZ-T ISL12057IUZ-T
IC RTC CLK/CALENDAR I2C 8-MSOP
Renesas Electronics America Inc
2,261 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-TSSOP, 8-MSOP (0.118", 3.00mm Width) 8-MSOP Details
BQ4845YS-A4NTR BQ4845YS-A4NTR
IC RTC CLK/CALENDAR PAR 28-SOIC
Texas Instruments
16,603 4.33000 Obsolete Clock/Calendar Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer - HH:MM:SS (12/24 hr) YY-MM-DD-dd Parallel 4.5V ~ 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
M41ST85WMH6F M41ST85WMH6F
IC RTC CLK/CALENDAR I2C 28-SOIC
STMicroelectronics
1,872 9.45000 Active Clock/Calendar 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 2.7V ~ 3.6V 2.5V ~ 3.5V 0.5mA @ 2.7V ~ 3.6V -40°C ~ 85°C Surface Mount 28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets 28-SOH Details
V3020XSO8A+ V3020XSO8A+
ULTRA LOW POWER 1-BIT 32KHZ RTC,
EM Microelectronic
1,861 2.55980 Active Clock/Calendar Alarm, Leap Year, RAM 1B HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd 3-Wire Serial 1.2V ~ 5.5V - 7µA @ 5V -40°C ~ 125°C (TA) Surface Mount 8-SOIC (0.154", 3.90mm Width) 8-SOIC Details
ISL12058IBZ-T ISL12058IBZ-T
IC RTC CLK/CALENDAR I2C 8-SOIC
Renesas Electronics America Inc
7,043 1.43069 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-SOIC (0.154", 3.90mm Width) 8-SOIC Details
MCP795W11T-I/ST MCP795W11T-I/ST
IC RTC CLK/CALENDAR SPI 14-TSSOP
Microchip Technology
8,513 1.66250 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
BQ4285S-SB2 BQ4285S-SB2
IC RTC CLK/CALENDAR PAR 24-SOP
Texas Instruments
13,748 5.38000 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 Surface Mount 24-SOIC (0.295", 7.50mm Width) 24-SOIC Details
ISL12057IBZ ISL12057IBZ
IC RTC CLK/CALENDAR I2C 8-SOIC
Renesas Electronics America Inc
1,582 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-SOIC (0.154", 3.90mm Width) 8-SOIC Details
ISL12027IB30AZ ISL12027IB30AZ
RTC, NON-VOLATILE
Intersil
1,584 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 8-SOIC (0.154", 3.90mm Width) 8-SOIC Details
CDP68HC68T1M2Z96 CDP68HC68T1M2Z96
IC RTC CLK/CALENDAR SPI 16-SOIC
Renesas Electronics America Inc
2,648 14.63763 Active 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 16-SOIC (0.295", 7.50mm Width) 16-SOIC Details
DS1678S+T&R DS1678S+T&R
IC RTC EVENT REC I2C 8-SOIC
Analog Devices Inc./Maxim Integrated
7,870 5.27938 Active Time Event Recorder Alarm, Leap Year, NVSRAM, Y2K 32B HH:MM:SS (12/24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 4.5V ~ 5.5V 2.6V ~ 3.5V - -40°C ~ 85°C Surface Mount 8-SOIC (0.209", 5.30mm Width) 8-SOIC Details

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