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Real Time Clocks
| Photo | Mfr. Part # | Availability | Price | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
DS1689SNIC RTC CLK/CALENDAR PAR 28SOIC |
4,970 | 0.00 |
|
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 | -40°C ~ 85°C | Surface Mount | - | - | 28-SOIC |
|
RX-8581NB:B3 PURE SNIC RTC CLK/CALENDAR I2C 22SON |
2,112 | 5.49 |
|
Datasheet |
RX-8581NB | 22-LFDFN | Tape & Reel (TR) | Obsolete | Not Verified | Clock/Calendar | Alarm, Leap Year | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | I2C, 2-Wire Serial | 1.8V ~ 5.5V | - | 0.8µA ~ 1.2µA @ 3V ~ 5V | -40°C ~ 85°C | Surface Mount | - | - | 22-SON (6.3x4.8) |
|
|
RX-8581NB:B3IC RTC CLK/CALENDAR I2C 22SON |
2,648 | 5.49 |
|
Datasheet |
RX-8581NB | 22-SMD, 20 Leads, Flat Leads | Tape & Reel (TR) | Obsolete | Not Verified | Clock/Calendar | Alarm, Leap Year | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | I2C, 2-Wire Serial | 1.8V ~ 5.5V | - | 0.8µA ~ 1.2µA @ 3V ~ 5V | -40°C ~ 85°C | Surface Mount | - | - | 22-SON |
|
DS1338C-18#IC RTC CLK/CALENDAR I2C 16SOIC |
1,904 | 5.16 |
|
Datasheet |
- | 16-SOIC (0.295", 7.50mm Width) | Tube | Active | Not Verified | 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 | - | - | 16-SOIC |
|
RX-8035SA:AC3 PURE SNIC RTC TIME EVENT REC I2C 14SOP |
4,579 | 5.84 |
|
Datasheet |
RX-8035SA | 14-SOIC (0.197", 5.00mm Width) | Tape & Reel (TR) | Active | Not Verified | Time Event Recorder | Alarm | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I2C, 2-Wire Serial | 2.4V ~ 5.5V | 1V ~ 5.5V | 2.5µA @ 3V | -40°C ~ 85°C | Surface Mount | - | - | 14-SOP |
|
ISL1221IUZ-TIC RTC EVENT REC I2C 10MSOP |
4,668 | 4.66 |
|
Datasheet |
- | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) | Tape & Reel (TR) | Obsolete | Not Verified | 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-MSOP |
|
DS1685S-5+T&RIC RTC CLK/CALENDAR PAR 24SOIC |
4,181 | 4.74 |
|
Datasheet |
- | 24-SOIC (0.295", 7.50mm Width) | Tape & Reel (TR) | Active | Not Verified | 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 |
|
M41ST85WMH6EIC RTC CLK/CALENDAR I2C 28SOH |
2,171 | 0.00 |
|
Datasheet |
- | 28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets | Tube | 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 |
|
DS1685Q-5+T&RIC RTC CLK/CALENDAR PAR 28PLCC |
1,310 | 4.94 |
|
Datasheet |
- | 28-LCC (J-Lead) | Tape & Reel (TR) | Active | Not Verified | 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 | - | - | 28-PLCC (11.51x11.51) |
|
A3024SO20A+IC RTC CLOCK/CALENDAR 20SO |
3,037 | 5.61 |
|
- |
- | 20-SOIC (0.295", 7.50mm Width) | Tube | Active | Not Verified | Clock/Calendar | Alarm, Leap Year, RAM | 8B | HH:MM:SS:hh (12/24 hr) | YY-MM-DD-dd | - | 2V ~ 5.5V | - | 10µA ~ 15µA @ 3V ~ 5V | -40°C ~ 85°C (TA) | Surface Mount | - | - | 20-SO |
|
M41T62LC6FIC RTC CLK/CALENDAR I2C 8LCC |
2,255 | 6.24 |
|
Datasheet |
Timekeeper® | 8-LCC | Tape & Reel (TR) | Obsolete | Not Verified | Clock/Calendar | Alarm, Leap Year, Square Wave Output, Watchdog Timer | - | HH:MM:SS:hh (24 hr) | YY-MM-DD-dd | I2C, 2-Wire Serial | 1.3V ~ 4.4V | - | 0.7µA ~ 0.95µA @ 1.3V ~ 4.4V | -40°C ~ 85°C | Surface Mount | - | - | 8-LCC (1.5x3.2) |
|
DS17485-3IC RTC CLK/CALENDAR PAR 24DIP |
1,168 | 0.00 |
|
Datasheet |
- | 24-DIP (0.600", 15.24mm) | Tube | Obsolete | Not Verified | Clock/Calendar | Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output | 4KB | 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 | Through Hole | - | - | 24-PDIP |
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|
RX8804CE XBBIC RTC CLK/CALENDAR I2C 10SMD |
2,072 | 0.00 |
|
Datasheet |
RX8804CE | 10-SMD, No Lead | Bulk | Active | Not Verified | Clock/Calendar | Alarm, Watchdog Timer | - | HH:MM:SS | YY-MM-DD | I2C | 1.6V ~ 5.5V | 1.5V ~ 5.5V | 1.5µA ~ 1.6µA @ 3V ~ 5V | -40°C ~ 105°C (TA) | Surface Mount | - | - | 10-SMD |
|
DS12885TNIC RTC CLK/CALENDAR PAR 32TQFP |
1,857 | 0.00 |
|
Datasheet |
- | 32-TQFP | Tray | Obsolete | Not Verified | 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 | - | - | 32-TQFP (7x7) |
|
DS3232MZ/V+TIC RTC CLK/CALENDAR I2C 8SOIC |
2,072 | 5.43 |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Not For New Designs | Not Verified | Clock/Calendar | Alarm, Leap Year, Square Wave Output, SRAM | 236B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I2C, 2-Wire Serial | 2.3V ~ 4.5V | 2.3V ~ 4.5V | 175µA @ 2.3V ~ 4.5V | -40°C ~ 85°C | Surface Mount | Automotive | AEC-Q100 | 8-SOIC |
|
RV-3129-C3-32.768KHZ-OPTION-A-TA-QCIC RTC CLK/CALENDAR I2C 10SON |
3,787 | 2.52 |
|
Datasheet |
C3 | 10-VCDFN | Tape & Reel (TR) | Active | Not Verified | Clock/Calendar | Alarm, EEPROM, Leap Year, Programmable Clock Output, RAM, Temperature, Timer, Trickle Charger | 2B, 8B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I2C, 2-Wire Serial | 1.3V ~ 5.5V | - | 1µA @ 3V | -40°C ~ 85°C (TA) | Surface Mount | - | - | 10-SON (3.7x2.5) |
|
RV-3149-C3-32.768KHZ-OPTION-A-TA-QCIC RTC CLK/CALENDAR SPI 10SON |
3,719 | 2.52 |
|
Datasheet |
C3 | 10-VCDFN | Tape & Reel (TR) | Active | Not Verified | Clock/Calendar | Alarm, EEPROM, Leap Year, Programmable Clock Output, RAM, Temperature, Timer, Trickle Charger | 2B, 8B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | SPI, 4-Wire Serial | 1.3V ~ 5.5V | - | 1µA @ 3V | -40°C ~ 85°C (TA) | Surface Mount | - | - | 10-SON (3.7x2.5) |
|
DS1501WEN/T&RIC RTC CLK/CALENDAR PAR 28TSOP |
2,236 | 0.00 |
|
Datasheet |
- | 28-TSSOP (0.465", 11.80mm Width) | Tape & Reel (TR) | 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 | -40°C ~ 85°C | Surface Mount | - | - | 28-TSOP |
|
MAX6909EO33+IC RTC CLK/CAL/SUPER I2C 20QSOP |
3,023 | 0.00 |
|
Datasheet |
- | 20-SSOP (0.154", 3.90mm Width) | Tube | 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 |
|
|
MAX6916EO33+IC RTC CLK/CAL/SUPER SPI 20QSOP |
3,408 | 1.00 |
|
- |
- | 20-SSOP (0.154", 3.90mm Width) | Tube | Obsolete | Not Verified | Clock/Calendar/Supervisor | - | 96B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | SPI, 3-Wire Serial | 3V ~ 3.6V | - | - | - | Surface Mount | - | - | 20-QSOP |
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