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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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DS12885QN+T&RIC RTC CLK/CALENDAR PAR 28PLCC |
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Datasheet |
- | 28-LCC (J-Lead) | Tape & Reel (TR) | Active | 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 | - | - | 28-PLCC (11.51x11.51) |
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M48T58Y-70MH1EIC RTC CLK/CALENDAR PAR 28SOH |
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Datasheet |
Timekeeper® | 28-SOIC (0.337", 8.56mm Width) with SNAPHAT Sockets | Tube | Obsolete | Not Verified | Clock/Calendar | Leap Year | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | Parallel | 4.5V ~ 5.5V | - | 3mA @ 4.5V ~ 5.5V | 0°C ~ 70°C | Surface Mount | - | - | 28-SOH |
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RX-4045NB:AABIC RTC CLK/CALENDAR SER 22SON |
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Datasheet |
RX-4045NB | 22-LFDFN | Strip | Active | Not Verified | Clock/Calendar | Alarm | - | HH:MM:SS | YY-MM-DD-dd | 4-Wire Serial | 1.7V ~ 5.5V | - | 1.2µA ~ 1.8µA @ 3V ~ 5V | -40°C ~ 85°C | Surface Mount | - | - | 22-SON (6.3x4.8) |
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RX-4045NB:AAB PURE SNIC RTC CLK/CALENDAR SER 22SON |
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Datasheet |
RX-4045NB | 22-LFDFN | Strip | Active | Not Verified | Clock/Calendar | Alarm | - | HH:MM:SS | YY-MM-DD-dd | 4-Wire Serial | 1.7V ~ 5.5V | - | 1.2µA ~ 1.8µA @ 3V ~ 5V | -40°C ~ 85°C | Surface Mount | - | - | 22-SON (6.3x4.8) |
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RX-4045NBACBIC RTC CLK/CALENDAR SER 22SON |
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Datasheet |
RX-4045NB | 22-SMD, 20 Leads, Flat Leads | Bulk | Active | Not Verified | Clock/Calendar | Alarm | - | HH:MM:SS | YY-MM-DD-dd | 4-Wire Serial | 1.7V ~ 5.5V | 1.15V ~ 5.5V | 1.2µA ~ 1.8µA @ 3V ~ 5V | -40°C ~ 85°C | Surface Mount | - | - | 22-SON (6.3x4.8) |
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RTT21064XTAL OSC RTC 32.768KHZ SMD |
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Datasheet |
- | 10-SMD, No Lead | Tape & Reel (TR) | Active | - | Clock/Calendar | Alarm, Leap Year, RAM | - | HH:MM:SS | YY-MM-DD | I2C | 1.25V ~ 5.5V | 1.2V ~ 5.5V | 5µA ~ 7.8µA @ 1.2V ~ 5.5V | -40°C ~ 85°C | Surface Mount | - | - | 10-SMD |
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RX-8803LC:UC3 PURE SNIC RTC CLK/CALENDAR I2C 12VSOJ |
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Datasheet |
RX-8803LC | 12-TFSOJ (0.094", 2.40mm Width) | Tape & Reel (TR) | Active | Not Verified | Clock/Calendar | Alarm | - | HH:MM:SS | YY-MM-DD | I2C | 1.6V ~ 5.5V | - | 2.1µA ~ 3.4µA @ 3V ~ 5V | -40°C ~ 85°C | Surface Mount | - | - | 12-VSOJ |
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RX-4803LC:UB3 PURE SNIC RTC CLK/CALENDAR SPI 12VSOJ |
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Datasheet |
RX-4803LC | 12-TFSOJ (0.094", 2.40mm Width) | Tape & Reel (TR) | Active | Not Verified | Clock/Calendar | Alarm, Leap Year | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | SPI | 1.6V ~ 5.5V | - | 2.1µA ~ 3.4µA @ 3V ~ 5V | -40°C ~ 85°C | Surface Mount | - | - | 12-VSOJ |
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RX-8035LC:AA PURE SNIC RTC EVENT REC I2C 12VSOJ |
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Datasheet |
RX-8035LC | 12-TFSOJ (0.094", 2.40mm Width) | Strip | 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 | - | - | 12-VSOJ |
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DS17285S-3+T&RIC RTC CLK/CALENDAR PAR 24SOIC |
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Datasheet |
- | 24-SOIC (0.295", 7.50mm Width) | Tape & Reel (TR) | Active | Not Verified | Clock/Calendar | Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output | 2KB | 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 | Surface Mount | - | - | 24-SOIC |
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DS17285S-5+T&RIC RTC CLK/CALENDAR PAR 24SOIC |
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Datasheet |
- | 24-SOIC (0.295", 7.50mm Width) | Tape & Reel (TR) | Active | Not Verified | Clock/Calendar | Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output | 2KB | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | Parallel | 4.5V ~ 5.5V | 2.5V ~ 3.7V | 3mA @ 4.5V ~ 5.5V | 0°C ~ 70°C | Surface Mount | - | - | 24-SOIC |
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X1228S14Z-2.7T1IC RTC CLK/CALENDAR I2C 14SOIC |
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Datasheet |
- | 14-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | 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 | - | - | 14-SOIC |
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RTC-8564NB:BB ROHSIC RTC CLK/CALENDAR I2C 22SON |
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Datasheet |
- | 22-LFDFN | Strip | Active | Not Verified | Clock/Calendar | Alarm | - | HH:MM:SS | YY-MM-DD-dd | I2C | 1.8V ~ 5.5V | - | 0.7µA ~ 0.8µA @ 3V ~ 5V | -40°C ~ 85°C | Surface Mount | - | - | 22-SON (6.3x4.8) |
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RX8804CE XABIC RTC CLK/CALENDAR I2C 10SMD |
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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 |
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M48T59Y-70MH1EIC RTC CLK/CALENDAR PAR 28SOH |
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Datasheet |
Timekeeper® | 28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets | 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 | - | 3mA @ 4.5V ~ 5.5V | 0°C ~ 70°C | Surface Mount | - | - | 28-SOH |
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DS17885-5IC RTC CLK/CALENDAR PAR 24DIP |
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Datasheet |
- | 24-DIP (0.600", 15.24mm) | Tube | Obsolete | Not Verified | Clock/Calendar | Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output | 8KB | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | Parallel | 4.5V ~ 5.5V | 2.5V ~ 3.7V | 3mA @ 4.5V ~ 5.5V | 0°C ~ 70°C | Through Hole | - | - | 24-PDIP |
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DS1284QN+IC RTC CLK/CALENDAR PAR 28PLCC |
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Datasheet |
- | 28-LCC (J-Lead) | Tube | Obsolete | Not Verified | Clock/Calendar | Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer | 50B | HH:MM:SS:hh (12/24 hr) | YY-MM-DD-dd | Parallel | 4.5V ~ 5.5V | 2.4V ~ 3.5V | 7mA @ 5V | -40°C ~ 85°C | Surface Mount | - | - | 28-PLCC (11.51x11.51) |
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RX-4803SA:UA3 PURE SNIC RTC CLK/CALENDAR SPI 14SOP |
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Datasheet |
RX-4803SA | 14-SOIC (0.197", 5.00mm Width) | Tape & Reel (TR) | Active | Not Verified | Clock/Calendar | Alarm, Leap Year | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | SPI | 1.6V ~ 5.5V | - | 2.1µA ~ 3.4µA @ 3V ~ 5V | -40°C ~ 85°C | Surface Mount | - | - | 14-SOP |
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RX-8803SA:UA3 PURE SNIC RTC CLK/CALENDAR I2C 14SOP |
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Datasheet |
RX-8803SA | 14-SOIC (0.197", 5.00mm Width) | Tape & Reel (TR) | Active | Not Verified | Clock/Calendar | Alarm | - | HH:MM:SS | YY-MM-DD | I2C | 1.6V ~ 5.5V | - | 2.1µA ~ 3.4µA @ 3V ~ 5V | -40°C ~ 85°C | Surface Mount | - | - | 14-SOP |
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DS17885-3IC RTC CLK/CALENDAR PAR 24DIP |
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Datasheet |
- | 24-DIP (0.600", 15.24mm) | Tube | Obsolete | Not Verified | Clock/Calendar | Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output | 8KB | 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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