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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 |
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M48T129V-85PM1IC RTC CLOCK/CALENDAR PAR 32DIP |
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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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DS1251YP-70INDIC RTC PHANTOM CHIP PAR 34PCM |
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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 | -40°C ~ 85°C | Surface Mount | - | - | 34-PowerCap Module |
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DS1244W-120IND+IC RTC PHANTOM CHIP PAR 28EDIP |
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Datasheet |
- | 28-DIP Module (0.600", 15.24mm) | Tube | Active | Not Verified | Phantom Time Chip | Leap Year, NVSRAM | 32KB | HH:MM:SS:hh (12/24 hr) | YY-MM-DD-dd | Parallel | 2.97V ~ 3.63V | - | 7mA @ 3.3V | -40°C ~ 85°C | Through Hole | - | - | 28-EDIP |
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M48T129Y-70PM1IC RTC CLK/CALENDAR PAR 32DIP |
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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 |
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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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DS1251WP-120IND+IC RTC PHANTOM CHIP PAR 34PCM |
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Datasheet |
- | 34-PowerCap™ Module | Tube | Active | 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 | -40°C ~ 85°C | Surface Mount | - | - | 34-PowerCap Module |
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DS1747WP-120IC RTC CLK/CALENDAR PAR 34PCM |
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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 | 2.97V ~ 3.63V | 3V | 2mA @ 3.3V | 0°C ~ 70°C | Surface Mount | - | - | 34-PowerCap Module |
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M48T512V-85PM1IC RTC CLOCK/CALENDAR PAR 32DIP |
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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 |
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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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DS1647-120IC RTC CLK/CALENDAR PAR 32EDIP |
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Datasheet |
- | 32-DIP Module (0.600", 15.24mm) | Tube | Obsolete | Not Verified | Clock/Calendar | Leap Year, NVSRAM | 512KB | HH:MM:SS (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-EDIP |
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DS1254WB-C02IC RTC PHANTOM CHIP PAR 80BGA |
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Datasheet |
- | 80-BBGA | Tray | Obsolete | Not Verified | Phantom Time Chip | Leap Year, NVSRAM | 2MB | HH:MM:SS:hh (12/24 hr) | YY-MM-DD-dd | Parallel | 3V ~ 3.7V | 3V | - | - | Surface Mount | - | - | 80-BGA (40x40) |
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M48T254V-10ZA1IC RTC PHANTOM PAR 168BGA |
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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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DS1254WB-150IC RTC PHANTOM CHIP PAR 168BGA |
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Datasheet |
- | 168-BBGA Module | Bag | Obsolete | Not Verified | Phantom Time Chip | Leap Year, NVSRAM | 2MB | HH:MM:SS:hh (12/24 hr) | YY-MM-DD-dd | Parallel | 3V ~ 3.7V | 3V | 7mA @ 3.3V | 0°C ~ 70°C | Surface Mount | - | - | 168-BGA (40x40) |
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RTC-62421AIC RTC CLK/CALENDAR PAR 18DIP |
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Datasheet |
- | 18-DIP (0.300", 7.62mm) | Tube | Obsolete | Not Verified | Clock/Calendar | Leap Year | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | Parallel | 4.5V ~ 5.5V | - | 1.8µA ~ 3µA @ 2V ~ 5V | -40°C ~ 85°C | Through Hole | - | - | 18-DIP |
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RTC-72421AIC RTC CLK/CALENDAR PAR 18DIP |
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Datasheet |
- | 18-DIP (0.300", 7.62mm) | Tube | 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 | -10°C ~ 70°C | Through Hole | - | - | 18-DIP |
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RTC-72421BIC RTC CLK/CALENDAR PAR 18DIP |
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Datasheet |
- | 18-DIP (0.300", 7.62mm) | Tube | 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 | -10°C ~ 70°C | Through Hole | - | - | 18-DIP |
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RTC-72423AIC RTC CLK/CALENDAR PAR 24SOP |
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Datasheet |
- | 24-SOIC (0.311", 7.90mm Width) | Tube | 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 |
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RTC-72423BIC RTC CLK/CALENDAR PAR 24SOP |
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Datasheet |
- | 24-SOIC (0.311", 7.90mm Width) | Tube | 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 |
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NJU6355EDIC RTC CLK/CALENDAR SER 8DIP |
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Datasheet |
- | 8-DIP (0.300", 7.62mm) | Tube | Obsolete | Not Verified | Clock/Calendar | Leap Year | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | 4-Wire Serial | 4.5V ~ 5.5V | - | 4µA ~ 15µA @ 2V ~ 5V | -30°C ~ 80°C | Through Hole | - | - | 8-DIP |
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RTC-63423BIC RTC CLK/CALENDAR PAR 24SOP |
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- | 24-SOIC (0.311", 7.90mm Width) | Tube | Obsolete | Not Verified | Clock/Calendar | Alarm | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | Parallel | 4.5V ~ 5.5V | - | - | -40°C ~ 85°C | Surface Mount | - | - | 24-SOP |
Real Time Clocks Electronic Components
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