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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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
DS1251Y-1504096K NV SRAM & PHANTOM CLOCK |
213 | 26.50 |
|
Datasheet |
- | 32-DIP Module (0.600", 15.24mm) | Bulk | Active | Not Verified | Phantom Time Chip | EEPROM, Leap Year, NVSRAM, RAM | 512KB | HH:MM:SS:hh (12/24 hr) | YY-MM-DD | Parallel | 2.97V ~ 3.63V, 4.5V ~ 5.5V | Integrated | 10mA @ 5V | 0°C ~ 70°C (TA) | Through Hole | - | - | 32-EDIP |
|
DS1248W-120+IC RTC PHANTOM PAR 32-DIP |
770 | 26.89 |
|
Datasheet |
- | 32-DIP Module (0.600", 15.24mm) | Bulk | Obsolete | Not Verified | Phantom Time Chip | NVSRAM | 128KB | HH:MM:SS:hh (12/24 hr) | YY-MM-DD-dd | Parallel | 2.97V ~ 3.63V | - | 7mA @ 3.3V | 0°C ~ 70°C | Through Hole | - | - | 32-EDIP |
|
DS1747P-70IC RTC CLK/CALENDAR PAR 34PCM |
1,253 | 27.20 |
|
Datasheet |
- | 34-PowerCap™ Module | Tube | Obsolete | Not Verified | Clock/Calendar | Leap Year, NVSRAM, Y2K | 512KB | 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 |
|
DS1315SN-5IC RTC PHANTOM CHIP PAR 16SOIC |
2,783 | 27.34 |
|
Datasheet |
- | 16-SOIC (0.295", 7.50mm Width) | Tube | Obsolete | Not Verified | Phantom Time Chip | Leap Year | - | HH:MM:SS:hh (12/24 hr) | YY-MM-DD-dd | Parallel | 4.5V ~ 5.5V | 2.5V ~ 3.7V | 1.3mA @ 5V | -40°C ~ 85°C | Surface Mount | - | - | 16-SOIC |
|
|
DS1248WP-120IC RTC PHANTOM CHIP PAR 34PCM |
1,154 | 27.65 |
|
Datasheet |
- | 34-PowerCap™ Module | Tube | Obsolete | Not Verified | Phantom Time Chip | NVSRAM | 128KB | HH:MM:SS:hh (12/24 hr) | YY-MM-DD-dd | Parallel | 2.97V ~ 3.63V | 3V | 7mA @ 3.3V | 0°C ~ 70°C | Surface Mount | - | - | 34-PowerCap Module |
|
|
DS1646-120IC RTC CLK/CALENDAR PAR 32EDIP |
4,423 | 30.40 |
|
Datasheet |
- | 32-DIP Module (0.600", 15.24mm) | Tube | Obsolete | Not Verified | Clock/Calendar | Leap Year, NVSRAM | 128KB | HH:MM:SS (24 hr) | YY-MM-DD-dd | Parallel | 4.5V ~ 5.5V | 3V | 4mA @ 4.5 V ~ 5.5 V | 0°C ~ 70°C | Through Hole | - | - | 32-EDIP |
|
CDP68HC68T1EZIC RTC CLK/CALENDAR SPI 16DIP |
1,427 | 0.00 |
|
Datasheet |
- | 16-DIP (0.300", 7.62mm) | Tube | Obsolete | Not Verified | 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 | Through Hole | - | - | 16-PDIP |
|
DS1251WP-120IC RTC PHANTOM CHIP PAR 34PCM |
1,654 | 32.58 |
|
Datasheet |
- | 34-PowerCap™ Module | Tube | Obsolete | Not Verified | Phantom Time Chip | Leap Year, NVSRAM | 512KB | HH:MM:SS:hh (12/24 hr) | YY-MM-DD-dd | Parallel | 2.97V ~ 3.63V | 3V | 7mA @ 3.3V | 0°C ~ 70°C | Surface Mount | - | - | 34-PowerCap Module |
|
|
DS1251YP-70IC RTC PHANTOM CHIP PAR 34PCM |
320 | 33.78 |
|
Datasheet |
- | 34-PowerCap™ Module | Tube | Obsolete | Not Verified | Phantom Time Chip | Leap Year, NVSRAM | 512KB | 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 |
|
|
DS1644L-120DS1644 NV TIMEKEEPING RAM |
769 | 33.84 |
|
Datasheet |
- | 28-DIP Module (0.600", 15.24mm) | Bulk | Active | Not Verified | Clock/Calendar | EEPROM, Leap Year, NVSRAM, RAM | 32KB | HH:MM:SS (24 hr) | YY-MM-DD | - | 4.5V ~ 5.5V | - | 4mA @ 5V | 0°C ~ 70°C | Through Hole | - | - | 28-EDIP |
|
BQ4832YMA-85IC RTC CLK/CALENDAR PAR 32DIP |
1,999 | 39.49 |
|
Datasheet |
- | 32-DIP Module (0.610", 15.49mm) | Tube | Obsolete | Not Verified | Clock/Calendar | Alarm, Supervisor, Watchdog Timer | - | HH:MM:SS:hh (24 hr) | YY-MM-DD-dd | Parallel | 4.5V ~ 5.5V | - | 4mA @ 4.5 V ~ 5.5 V | 0°C ~ 70°C | Through Hole | - | - | 32-DIP Module (18.42x42.8) |
|
BQ4852YMC-85IC RTC CLK/CALENDAR PAR 36DIP |
1,000 | 45.79 |
|
Datasheet |
- | 36-DIP Module (0.610", 15.49mm) | Tube | Obsolete | Not Verified | Clock/Calendar | Alarm, Supervisor, Watchdog Timer | - | HH:MM:SS:hh (24 hr) | YY-MM-DD-dd | Parallel | 4.5V ~ 5.5V | - | 1mA @ 4.5V ~ 5.5V | 0°C ~ 70°C | Through Hole | - | - | 36-DIP Module (18.42x52.96) |
|
|
BQ4852YMC-85IC RTC CLK/CALENDAR PAR 36DIP |
4,037 | 45.79 |
|
Datasheet |
- | 36-DIP Module (0.610", 15.49mm) | Tube | Obsolete | Not Verified | Clock/Calendar | Alarm, Supervisor, Watchdog Timer | - | HH:MM:SS:hh (24 hr) | YY-MM-DD-dd | Parallel | 4.5V ~ 5.5V | - | 1mA @ 4.5V ~ 5.5V | 0°C ~ 70°C | Through Hole | - | - | 36-DIP Module |
|
|
DS1557WP-120INDIC RTC CLK/CALENDAR PAR 34PCM |
1,186 | 53.84 |
|
Datasheet |
- | 34-PowerCap™ Module | Tube | Obsolete | Not Verified | Clock/Calendar | Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K | 512KB | HH:MM:SS (24 hr) | YY-MM-DD-dd | Parallel | 2.97V ~ 3.63V | 3V | 4mA @ 3.3V | -40°C ~ 85°C | Surface Mount | - | - | 34-PowerCap Module |
|
|
DS1557WP-120IC RTC CLK/CALENDAR PAR 34PCM |
4,819 | 66.76 |
|
Datasheet |
- | 34-PowerCap™ Module | Tube | Obsolete | Not Verified | Clock/Calendar | Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K | 512KB | HH:MM:SS (24 hr) | YY-MM-DD-dd | Parallel | 2.97V ~ 3.63V | 3V | 4mA @ 3.3V | 0°C ~ 70°C | Surface Mount | - | - | 34-PowerCap Module |
|
|
BQ4850YMA-85NIC RTC CLK/CALENDAR PAR 32DIP |
3,539 | 71.57 |
|
Datasheet |
- | 32-DIP Module (0.61", 15.49mm) | Tube | Obsolete | Not Verified | Clock/Calendar | Alarm | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | Parallel | 4.5V ~ 5.5V | - | 1mA @ 4.5V ~ 5.5V | -40°C ~ 85°C | Through Hole | - | - | 32-DIP Module (18.42x52.96) |
|
DS1670S+IC RTC SYST CTRLR SER 20SOIC |
2,239 | 10.67 |
|
Datasheet |
- | 20-SOIC (0.295", 7.50mm Width) | Tube | Obsolete | Not Verified | Portable System Controller | Alarm, Leap Year, Watchdog Timer | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | 3-Wire Serial | 2.97V ~ 3.63V | 2.5V ~ 3.7V | 100µA @ 3.3V | 0°C ~ 70°C | Surface Mount | - | - | 20-SOIC |
|
|
DS1673S-5+IC RTC SYST CTRLR SER 20SOIC |
3,578 | 10.67 |
|
Datasheet |
- | 20-SOIC (0.295", 7.50mm Width) | Tube | Obsolete | Not Verified | Portable System Controller | Alarm, Leap Year, Watchdog Timer | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | 3-Wire Serial | 4.5V ~ 5.5V | 2.5V ~ 3.7V | 300µA @ 5V | 0°C ~ 70°C | Surface Mount | - | - | 20-SOIC |
|
ISL12024IRTCZREAL-TIME CLOCK/CALENDAR WITH EM |
656 | 3.72 |
|
Datasheet |
- | 8-WDFN Exposed Pad | Bulk | Active | Not Verified | 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-TDFN (3x3) |
|
|
ISL12024IRTCZREAL-TIME CLOCK/CALENDAR WITH EM |
190 | 3.72 |
|
Datasheet |
- | 8-WDFN Exposed Pad | Bulk | Active | Not Verified | 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-TDFN (3x3) |
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