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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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RTC-72423A: PURE SNIC RTC CLK/CALENDAR PAR 24SOP |
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Datasheet |
RTC-72423 | 24-SOIC (0.311", 7.90mm Width) | Bulk | Obsolete | Not Verified | Clock/Calendar | Leap Year | - | HH:MM:SS (12/24 hr) | - | Parallel | 4.5V ~ 5.5V | - | 5µA ~ 10µA @ 2V ~ 5V | -40°C ~ 85°C | Surface Mount | - | - | 24-SOP |
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RTC-72423B: PURE SNIC RTC CLK/CALENDAR PAR 24SOP |
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Datasheet |
RTC-72423 | 24-SOIC (0.311", 7.90mm Width) | Bulk | Obsolete | Not Verified | Clock/Calendar | Leap Year | - | HH:MM:SS (12/24 hr) | - | Parallel | 4.5V ~ 5.5V | - | 5µA ~ 10µA @ 2V ~ 5V | -40°C ~ 85°C | Surface Mount | - | - | 24-SOP |
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RTC-7301SF:B ROHSIC RTC CLK/CALENDAR PAR 24SSOP |
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Datasheet |
- | 24-SOP (0.213", 5.40mm Width) | Bulk | Obsolete | Not Verified | Clock/Calendar | Alarm | - | - | - | Parallel | 2.4V ~ 5.5V | - | 1µA ~ 2µA @ 3V ~ 5V | -40°C ~ 85°C | Surface Mount | - | - | 24-SSOP |
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RTC-7301SF:B0 ROHSIC RTC CLK/CALENDAR PAR 24SSOP |
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Datasheet |
- | 24-SOP (0.213", 5.40mm Width) | Tape & Reel (TR) | Obsolete | Not Verified | Clock/Calendar | Alarm | - | - | - | Parallel | 2.4V ~ 5.5V | - | 1µA ~ 2µA @ 3V ~ 5V | -40°C ~ 85°C | Surface Mount | - | - | 24-SSOP |
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RX-4045SA:AAIC RTC CLK/CALENDAR SPI 14SOP |
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Datasheet |
RX-4045SA | 14-SOIC (0.197", 5.00mm Width) | Tube | Obsolete | Not Verified | Clock/Calendar | Alarm, Leap Year | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | SPI | 1.7V ~ 5.5V | - | 1.2µA ~ 1.8µA @ 3V ~ 5V | -40°C ~ 85°C | Surface Mount | - | - | 14-SOP |
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RX-4571LC:B PURE SNIC RTC CLK/CALENDAR SER 12VSOJ |
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Datasheet |
RX-4571LC | 12-TFSOJ (0.094", 2.40mm Width) | Strip | Active | Not Verified | Clock/Calendar | Alarm, Leap Year | - | - | - | 3-Wire Serial | 1.6V ~ 5.5V | - | 0.95µA ~ 1µA @ 3V ~ 5V | -40°C ~ 85°C | Surface Mount | - | - | 12-VSOJ |
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RX-4574LC:B PURE SNIC RTC CLK/CALENDAR SER 12VSOJ |
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Datasheet |
RX-4574LC | 12-TFSOJ (0.094", 2.40mm Width) | Strip | Obsolete | Not Verified | Clock/Calendar | Alarm | - | - | - | 3-Wire Serial | 1.6V ~ 5.5V | - | 0.7µA ~ 0.9µA @ 3V ~ 5V | -40°C ~ 85°C | Surface Mount | - | - | 12-VSOJ |
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RX-4575LC:BIC RTC CLK/CALENDAR SER 12VSOJ |
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Datasheet |
RX-4575LC | 12-TFSOJ (0.094", 2.40mm Width) | Strip | Obsolete | Not Verified | Clock/Calendar | Alarm | - | - | - | 3-Wire Serial | 1.6V ~ 5.5V | - | 0.7µA ~ 0.9µA @ 3V ~ 5V | -40°C ~ 85°C | Surface Mount | - | - | 12-VSOJ |
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RX-4801SA:UB PURE SNIC RTC CLK/CALENDAR SER 14SOP |
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Datasheet |
RX-4801SA | 14-SOIC (0.197", 5.00mm Width) | Bulk | Obsolete | Not Verified | Clock/Calendar | Alarm | - | - | - | 4-Wire Serial | 1.6V ~ 5.5V | - | 2.1µA ~ 3.4µA @ 3V ~ 5V | -40°C ~ 85°C | Surface Mount | - | - | 14-SOP |
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RX-8581JE:B I2C-BUSIC RTC CLK/CALENDAR I2C 20VSOJ |
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Datasheet |
RX-8581JE | 20-LSSOJ (0.213", 5.40mm Width) | Strip | Obsolete | Not Verified | Clock/Calendar | Alarm | - | - | - | I2C | 1.8V ~ 5.5V | - | 0.8µA ~ 1.2µA @ 3V ~ 5V | -40°C ~ 85°C | Surface Mount | - | - | 20-VSOJ |
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RX-8581NB:B I2C-BUSIC RTC CLK/CALENDAR I2C 22SON |
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Datasheet |
RX-8581NB | 22-LFDFN | Strip | Obsolete | Not Verified | Clock/Calendar | Alarm | - | - | - | I2C | 1.8V ~ 5.5V | - | 0.8µA ~ 1.2µA @ 3V ~ 5V | -40°C ~ 85°C | Surface Mount | - | - | 22-SON (6.3x4.8) |
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RX-8581NB:B PURE SNIC RTC CLK/CALENDAR I2C 22SON |
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Datasheet |
RX-8581NB | 22-LFDFN | Strip | Obsolete | Not Verified | Clock/Calendar | Alarm | - | - | - | I2C | 1.8V ~ 5.5V | - | 0.8µA ~ 1.2µA @ 3V ~ 5V | -40°C ~ 85°C | Surface Mount | - | - | 22-SON (6.3x4.8) |
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RX-8731LC:BIC RTC CLK/CALENDAR I2C 12VSOJ |
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Datasheet |
RX-8731LC | 12-TFSOJ (0.094", 2.40mm Width) | Bulk | Obsolete | Not Verified | Clock/Calendar | Alarm, EEPROM, Leap Year, Unique ID | 80b | HH:MM:SS (24 hr) | YY-MM-DD-dd | I2C | 1.7V ~ 5.5V | - | 1.4µA ~ 1.5µA @ 3V ~ 5V | -40°C ~ 85°C | Surface Mount | - | - | 12-VSOJ |
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RX-8731LC:B PURE SNIC RTC CLK/CALENDAR I2C 12VSOJ |
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Datasheet |
RX-8731LC | 12-TFSOJ (0.094", 2.40mm Width) | Bulk | Active | Not Verified | Clock/Calendar | Alarm, EEPROM, Leap Year, Unique ID | 80b | HH:MM:SS (24 hr) | YY-MM-DD-dd | I2C | 1.7V ~ 5.5V | - | 1.4µA ~ 1.5µA @ 3V ~ 5V | -40°C ~ 85°C | Surface Mount | - | - | 12-VSOJ |
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RX-8731LC:B0 PURE SNIC RTC CLK/CALENDAR I2C 12VSOJ |
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Datasheet |
RX-8731LC | 12-TFSOJ (0.094", 2.40mm Width) | Tape & Reel (TR) | Active | Not Verified | Clock/Calendar | Alarm, EEPROM, Leap Year, Unique ID | 80b | HH:MM:SS (24 hr) | YY-MM-DD-dd | I2C | 1.7V ~ 5.5V | - | 1.4µA ~ 1.5µA @ 3V ~ 5V | -40°C ~ 85°C | Surface Mount | - | - | 12-VSOJ |
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RX-8801SA: UA PURE SNIC RTC CLK/CALENDAR I2C 14SOP |
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Datasheet |
RX-8801SA | 14-SOIC (0.197", 5.00mm Width) | Tube | Obsolete | Not Verified | Clock/Calendar | Alarm | - | - | - | I2C | 1.6V ~ 5.5V | - | 2.1µA ~ 3.4µA @ 3V ~ 5V | -40°C ~ 85°C | Surface Mount | - | - | 14-SOP |
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RX-8801SA: UB PURE SNIC RTC CLK/CALENDAR I2C 14SOP |
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Datasheet |
RX-8801SA | 14-SOIC (0.197", 5.00mm Width) | Tube | Obsolete | Not Verified | Clock/Calendar | Alarm | - | - | - | I2C | 1.6V ~ 5.5V | - | 2.1µA ~ 3.4µA @ 3V ~ 5V | -40°C ~ 85°C | Surface Mount | - | - | 14-SOP |
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MCP7940NT-E/SNVAOIC RTC CLK/CALENDAR I2C 8SOIC |
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Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Not Verified | Clock/Calendar | Alarm, Leap Year, Square Wave Output, SRAM | 64B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I2C, 2-Wire Serial | 1.8V ~ 5.5V | 1.3V ~ 5.5V | 1.2µA @ 3.3V | -40°C ~ 125°C | Surface Mount | Automotive | AEC-Q100 | 8-SOIC |
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MAX31342EWA+IC RTC CLK/CALENDAR I2C 8WLP |
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- | 8-WFBGA, WLBGA | Strip | Active | Not Verified | Clock/Calendar | Alarm, Leap Year, Square Wave Output | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I2C | 1.6V ~ 3.6V | - | 0.33µA @ 3V | -40°C ~ 85°C | Surface Mount | - | - | 8-WLP (.97x1.97) |
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DS1747WP-C2+IC REAL TIME CLOCK |
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* | - | Bulk | Obsolete | Not Verified | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
Real Time Clocks Electronic Components
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