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Real Time Clocks
| Photo | Mfr. Part # | Availability | Quantity | Datasheet | Series | Package/Case | Packaging | Product Status | Programmable | Type | Features | Memory Size | Time Format | Date Format | Interface | Voltage - Supply | Voltage - Supply, Battery | Current - Timekeeping (Max) | Operating Temperature | Mounting Type | Grade | Qualification | Supplier Device Package |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
MAX6917EO30+TIC RTC CLK/CAL/SUPER I2C 20QSOP |
4,740 |
|
- |
- | 20-SSOP (0.154", 3.90mm Width) | Tape & Reel (TR) | Obsolete | Not Verified | Clock/Calendar/Supervisor | - | 96B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I2C, 2-Wire Serial | 2.7V ~ 3.3V | - | - | -40°C ~ 85°C | Surface Mount | - | - | 20-QSOP |
|
|
MAX6917EO50+TIC RTC CLK/CAL/SUPER I2C 20QSOP |
2,554 |
|
- |
- | 20-SSOP (0.154", 3.90mm Width) | Tape & Reel (TR) | Obsolete | Not Verified | Clock/Calendar/Supervisor | - | 96B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I2C, 2-Wire Serial | 4.5V ~ 5.5V | - | - | -40°C ~ 85°C | Surface Mount | - | - | 20-QSOP |
|
|
MAX6909EO30+TIC RTC CLK/CAL/SUPER I2C 20QSOP |
4,552 |
|
Datasheet |
- | 20-SSOP (0.154", 3.90mm Width) | Tape & Reel (TR) | Obsolete | Not Verified | Clock/Calendar/Supervisor | - | 31B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I2C, 2-Wire Serial | 2.7V ~ 3.3V | - | - | - | Surface Mount | - | - | 20-QSOP |
|
|
MAX6909EO33+TIC RTC CLK/CAL/SUPER I2C 20QSOP |
5,098 |
|
Datasheet |
- | 20-SSOP (0.154", 3.90mm Width) | Tape & Reel (TR) | Obsolete | Not Verified | Clock/Calendar/Supervisor | - | 31B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I2C, 2-Wire Serial | 3V ~ 3.6V | - | - | - | Surface Mount | - | - | 20-QSOP |
|
ISL12022MIBZ-T7AIC RTC CLK/CALENDAR I2C 20SOIC |
9,838 |
|
- |
- | 20-SOIC (0.295", 7.50mm Width) | Tape & Reel (TR) | Obsolete | Not Verified | 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 | - | - | 20-SOIC |
|
M41ST85WMH6TRIC RTC CLK/CALENDAR I2C 28SOH |
7,894 |
|
Datasheet |
- | 28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets | Tape & Reel (TR) | Obsolete | Not Verified | 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-SOH |
|
DS1689SIC RTC CLK/CALENDAR PAR 28SOIC |
7,954 |
|
Datasheet |
- | 28-SOIC (0.337", 8.56mm Width) | Tube | Obsolete | Not Verified | Clock/Calendar | NVSRAM | 114B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | Parallel | 2.7V ~ 3.3V, 4.5V ~ 5.5V | 2.5V ~ 3.7V | 2mA @ 3V, 3mA @ 5V | 0°C ~ 70°C | Surface Mount | - | - | 28-SOIC |
|
DS1501YIC RTC CLK/CALENDAR PAR 28DIP |
6,096 |
|
Datasheet |
- | 28-DIP (0.600", 15.24mm) | Tube | Obsolete | Not Verified | Clock/Calendar | Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer, Y2K | 256B | HH:MM:SS (24 hr) | YY-MM-DD-dd | Parallel | 4.5V ~ 5.5V | 2.5V ~ 3.7V | 5mA @ 4.5V ~ 5.5V | 0°C ~ 70°C | Through Hole | - | - | 28-PDIP |
|
|
DS1501WIC RTC CLK/CALENDAR PAR 28DIP |
4,614 |
|
Datasheet |
- | 28-DIP (0.600", 15.24mm) | Tube | Obsolete | Not Verified | 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 | Through Hole | - | - | 28-PDIP |
|
|
MAX6910EO33+TIC RTC CLK/CAL/SUPER I2C 20QSOP |
2,782 |
|
Datasheet |
- | 20-SSOP (0.154", 3.90mm Width) | Tape & Reel (TR) | Obsolete | Not Verified | Clock/Calendar/Supervisor | - | 31B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I2C, 2-Wire Serial | 3V ~ 3.6V | - | - | - | Surface Mount | - | - | 20-QSOP |
|
|
MAX6910EO30+TIC RTC CLK/CAL/SUPER I2C 20QSOP |
6,072 |
|
Datasheet |
- | 20-SSOP (0.154", 3.90mm Width) | Tape & Reel (TR) | Obsolete | Not Verified | Clock/Calendar/Supervisor | - | 31B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I2C, 2-Wire Serial | 2.7V ~ 3.3V | - | - | - | Surface Mount | - | - | 20-QSOP |
|
M48T86PC1IC RTC CLK/CALENDAR PAR 24-DIP |
4,010 |
|
Datasheet |
- | 24-DIP Module (0.600", 15.24mm) | Tube | Obsolete | Not Verified | Clock/Calendar | Alarm, Leap Year, NVSRAM, Square Wave Output | 114B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | Parallel | 4.5V ~ 5.5V | - | 15mA @ 4.5V ~ 5.5V | 0°C ~ 70°C | Through Hole | - | - | 24-PCDIP, CAPHAT® |
|
|
M41T56MH6FIC RTC CLK/CALENDAR I2C 28SOH |
7,842 |
|
Datasheet |
- | 28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets | Tape & Reel (TR) | Obsolete | Not Verified | Clock/Calendar | Leap Year, NVSRAM | 56B | HH:MM:SS (24 hr) | YY-MM-DD-dd | I2C, 2-Wire Serial | 4.5V ~ 5.5V | 2.5V ~ 3.5V | 100µA (Typ) @ 4.5V ~ 5.5V | -40°C ~ 85°C | Surface Mount | - | - | 28-SOH |
|
RTC-72423B0:PURE SNIC RTC CLK/CALENDAR PAR 24SOP |
9,174 |
|
Datasheet |
RTC-72423 | 24-SOIC (0.311", 7.90mm Width) | Tape & Reel (TR) | Obsolete | Not Verified | Clock/Calendar | Leap Year | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | Parallel | 4.5V ~ 5.5V | - | 5µA ~ 10µA @ 2V ~ 5V | -40°C ~ 85°C | Surface Mount | - | - | 24-SOP |
|
KR3225Y32768EAW30TAAIC RTC CLOCK/CALENDAR I2C SMD |
4,350 |
|
Datasheet |
- | 8-SMD | Tape & Reel (TR) | Obsolete | Not Verified | Clock/Calendar | Alarm | - | HH:MM:SS | YY-MM-DD-dd | I2C, 2-Wire Serial | 1.3V ~ 5.5V | - | 2µA @ 3V | -40°C ~ 85°C | Surface Mount | - | - | SMD |
|
BQ4802LYPWG4IC RTC CLK/CALENDAR PAR 28TSSOP |
8,230 |
|
Datasheet |
- | 28-TSSOP (0.173", 4.40mm Width) | Tube | Discontinued at Digi-Key | Not Verified | 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-TSSOP |
|
DS1344D-3+IC RTC CLK/CALENDAR SPI 14TDFN |
2,096 |
|
Datasheet |
- | 14-WFDFN Exposed Pad | Tube | Active | Not Verified | Clock/Calendar | Alarm, Leap Year, NVRAM, Square Wave Output, Trickle Charger | 96B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | SPI | 2.7V ~ 5.5V | 1.3V ~ 5.5V | - | -40°C ~ 85°C | Surface Mount | - | - | 14-TDFN (3x3) |
|
ISL12022MIBZR5421IC RTC CLK/CALENDAR I2C 20SOIC |
7,798 |
|
Datasheet |
- | 20-SOIC (0.295", 7.50mm Width) | Tube | Active | Not Verified | 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 | - | - | 20-SOIC |
|
RA-4574SA:B3 ROHSIC RTC CLK/CALENDAR SER 14SOP |
6,696 |
|
Datasheet |
- | 14-SOIC (0.197", 5.00mm Width) | Tape & Reel (TR) | Obsolete | Not Verified | Clock/Calendar | Alarm, Leap Year | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | 3-Wire Serial | 1.6V ~ 5.5V | - | 1µA ~ 2µA @ 3V ~ 5V | -40°C ~ 85°C | Surface Mount | Automotive | AEC-Q200 | 14-SOP |
|
RTC-4701JE:B3 ROHSIC RTC CLK/CALENDAR SER 20VSOJ |
8,094 |
|
Datasheet |
- | 20-LSSOJ (0.213", 5.40mm Width) | Tape & Reel (TR) | Obsolete | Not Verified | Clock/Calendar | Alarm, Leap Year | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | 3-Wire Serial | 1.6V ~ 5.5V | - | - | -40°C ~ 85°C | Surface Mount | - | - | 20-VSOJ |
