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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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M48T128Y-70PM1IC RTC CLK/CALENDAR PAR 32DIP |
0 |
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Datasheet | Timekeeper® | 32-DIP Module (0.600", 15.24mm) | Tube | Obsolete | Not Verified | Clock/Calendar | Leap Year | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | Parallel | 4.5V ~ 5.5V | - | 4mA @ 4.5V ~ 5.5V | 0°C ~ 70°C | Through Hole | - | - | 32-PMDIP |
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M48T129V-85PM1IC RTC CLOCK/CALENDAR PAR 32DIP |
0 |
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Datasheet | Timekeeper® | 32-DIP Module (0.600", 15.24mm) | Tube | Obsolete | Not Verified | Clock/Calendar | Alarm, Leap Year, Watchdog Timer | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | Parallel | 3V ~ 3.6V | - | 3mA @ 3V ~ 3.6V | 0°C ~ 70°C | Through Hole | - | - | 32-PMDIP Module |
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M48T129Y-70PM1IC RTC CLK/CALENDAR PAR 32DIP |
0 |
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Datasheet | Timekeeper® | 32-DIP Module (0.600", 15.24mm) | Tube | Obsolete | Not Verified | Clock/Calendar | Alarm, Leap Year, Watchdog Timer | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | Parallel | 4.5V ~ 5.5V | - | 4mA @ 4.5V ~ 5.5V | 0°C ~ 70°C | Through Hole | - | - | 32-PMDIP |
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M48T251Y-70PM1IC RTC PHANTOM CHIP PAR 32DIP |
0 |
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Datasheet | Timekeeper® | 32-DIP Module (0.600", 15.24mm) | 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 | - | 5mA @ 4.5V ~ 5.5V | 0°C ~ 70°C | Through Hole | - | - | 32-PMDIP |
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M48T512V-85PM1IC RTC CLOCK/CALENDAR PAR 32DIP |
0 |
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Datasheet | Timekeeper® | 32-DIP Module (0.600", 15.24mm) | Tube | Obsolete | Not Verified | Clock/Calendar | Leap Year | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | Parallel | 3V ~ 3.6V | - | 3mA @ 3V ~ 3.6V | 0°C ~ 70°C | Through Hole | - | - | 32-PMDIP Module |
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M48T512Y-70PM1IC RTC CLOCK/CALENDAR PAR 32DIP |
0 |
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Datasheet | Timekeeper® | 32-DIP Module (0.600", 15.24mm) | Tube | Obsolete | Not Verified | Clock/Calendar | Leap Year | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | Parallel | 4.5V ~ 5.5V | - | 4mA @ 4.5V ~ 5.5V | 0°C ~ 70°C | Through Hole | - | - | 32-PMDIP Module |
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M48T254V-10ZA1IC RTC PHANTOM PAR 168BGA |
0 |
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Datasheet | Timekeeper® | 168-PBGA Module | Tube | Obsolete | Not Verified | Phantom Time Chip | Leap Year | - | HH:MM:SS:hh (12/24 hr) | YY-MM-DD-dd | Parallel | 3V ~ 3.6V | - | 3mA @ 3V ~ 3.6V | 0°C ~ 70°C | Surface Mount | - | - | 168-PBGA Module (42.3x42.3) |
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BQ3287EAMTIC RTC CLOCK/CALENDAR PAR 24DIP |
0 |
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Datasheet | - | 24-DIP Module (0.61", 15.49mm) | Tube | Obsolete | Not Verified | 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 | - | - | 0°C ~ 70°C | Through Hole | - | - | 24-DIP Module |
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BQ3287EMTIC RTC CLOCK/CALENDAR PAR 24DIP |
0 |
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Datasheet | - | 24-DIP Module (0.61", 15.49mm) | Tube | Obsolete | Not Verified | 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 | - | - | 0°C ~ 70°C | Through Hole | - | - | 24-DIP Module |
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BQ4822YMA-70IC RTC CLK/CALENDAR PAR 28-DIP |
0 |
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Datasheet | - | 28-DIP Module (0.61", 15.49mm) | Tube | Obsolete | Not Verified | Clock/Calendar | Alarm, Leap Year, Supervisor, Watchdog Timer | - | HH:MM:SS:hh (24 hr) | YY-MM-DD-dd | Parallel | 4.5V ~ 5.5V | - | 6mA @ 2.2 V ~ 5.8 V | 0°C ~ 70°C | Through Hole | - | - | 28-DIP Module (18.42x37.72) |
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BQ4842YMA-85IC RTC CLK/CALENDAR PAR 32DIP |
0 |
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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) |
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BQ4845S-A4NIC RTC CLK/CALENDAR PAR 28SOIC |
0 |
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Datasheet | - | 28-SOIC (0.295", 7.50mm Width) | Tube | Obsolete | Not Verified | 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 | -40°C ~ 85°C | Surface Mount | - | - | 28-SOIC |
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BQ4847MTIC RTC CLK/CALENDAR PAR 28-DIP |
0 |
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Datasheet | - | 28-DIP Module (0.61", 15.49mm) | Tube | Obsolete | Not Verified | Clock/Calendar | Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | Parallel | 4.75V ~ 5.25V | 2.3V ~ 4V | - | 0°C ~ 70°C | Through Hole | - | - | 28-DIP Module |
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BQ4847YMTIC RTC CLK/CALENDAR PAR 28-DIP |
0 |
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Datasheet | - | 28-DIP Module (0.61", 15.49mm) | Tube | Obsolete | Not Verified | 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 | - | 0°C ~ 70°C | Through Hole | - | - | 28-DIP Module |
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BQ4850YMA-85IC RTC CLK/CALENDAR PAR 32DIP |
0 |
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Datasheet | - | 32-DIP Module (0.610", 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 | 0°C ~ 70°C | Through Hole | - | - | 32-DIP Module (18.42x42.8) |
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X1226S8IC RTC CLK/CALENDAR I2C 8SOIC |
0 |
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Datasheet | - | 8-SOIC (0.154", 3.90mm Width) | Tube | Obsolete | Not Verified | Clock/Calendar | Alarm, Leap Year | - | 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 ~ 5V | 0°C ~ 70°C | Surface Mount | - | - | 8-SOIC |
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X1227S8IC RTC CLK/CALENDAR I2C 8SOIC |
0 |
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- |
- | 8-SOIC (0.154", 3.90mm Width) | Tube | Obsolete | Not Verified | Clock/Calendar | Alarm, Leap Year, Supervisor, Watchdog Timer | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I2C, 2-Wire Serial | 4.5V ~ 5.5V | 1.8V ~ 5.5V | 10µA ~ 20µA @ 2.7V ~ 5V | 0°C ~ 70°C | Surface Mount | - | - | 8-SOIC |
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X1227S8-2.7IC RTC CLK/CALENDAR I2C 8SOIC |
0 |
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- |
- | 8-SOIC (0.154", 3.90mm Width) | Tube | Obsolete | Not Verified | 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 ~ 5V | 0°C ~ 70°C | Surface Mount | - | - | 8-SOIC |
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X1227S8-2.7AIC RTC CLK/CALENDAR I2C 8SOIC |
0 |
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- |
- | 8-SOIC (0.154", 3.90mm Width) | Tube | Obsolete | Not Verified | 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 ~ 5V | 0°C ~ 70°C | Surface Mount | - | - | 8-SOIC |
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X1227S8-4.5AIC RTC CLK/CALENDAR I2C 8SOIC |
0 |
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- |
- | 8-SOIC (0.154", 3.90mm Width) | Tube | Obsolete | Not Verified | Clock/Calendar | Alarm, Leap Year, Supervisor, Watchdog Timer | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I2C, 2-Wire Serial | 4.5V ~ 5.5V | 1.8V ~ 5.5V | 10µA ~ 20µA @ 2.7V ~ 5V | 0°C ~ 70°C | Surface Mount | - | - | 8-SOIC |