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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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RA8900CE UB3IC RTC CLK/CALENDAR I2C 10SMD |
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Datasheet |
- | 10-SMD, No Lead | Tape & Reel (TR) | Active | Not Verified | Clock/Calendar | Alarm | - | HH:MM:SS | YY-MM-DD-dd | I2C | 2.5V ~ 5.5V | - | 1.4µA ~ 1.5µA @ 3V ~ 5V | -40°C ~ 85°C (TA) | Surface Mount | Automotive | AEC-Q200 | 10-SMD |
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RA8804CE XB3IC RTC CLK/CALENDAR I2C 10SMD |
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Datasheet |
- | 10-SMD, No Lead | Tape & Reel (TR) | Active | Not Verified | Clock/Calendar | Alarm | - | HH:MM:SS | YY-MM-DD-dd | I2C | 1.6V ~ 5.5V | - | 1.5µA ~ 1.6µA @ 3V ~ 5V | -40°C ~ 105°C (TA) | Surface Mount | Automotive | AEC-Q200 | 10-SMD |
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PT7C4311AZEEXIC RTC CLK/CALENDAR I2C 8TDFN |
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- | 8-WFDFN Exposed Pad | Tape & Reel (TR) | Obsolete | Not Verified | Clock/Calendar | Square Wave Output | 56B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I2C, 2-Wire Serial | 1.2V ~ 5.5V | 2V ~ 3.5V | 150µA @ 1.5V ~ 5.5V | -40°C ~ 85°C (TA) | Surface Mount | - | - | 8-TDFN (2x3) |
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PT7C4307AZEEXIC RTC CLK/CALENDAR I2C 8TDFN |
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- | 8-WFDFN Exposed Pad | Tape & Reel (TR) | Obsolete | Not Verified | Clock/Calendar | Alarm, Square Wave Output | 56B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I2C, 2-Wire Serial | 4.5V ~ 5.5V | 2V ~ 3.5V | 1.5mA @ 4.5V ~ 5.5V | -40°C ~ 85°C (TA) | Surface Mount | - | - | 8-TDFN (2x3) |
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1339BC-31SRGIIC RTC CLK/CALENDAR I2C 16SOIC |
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- | 16-SOIC (0.295", 7.50mm Width) | Tube | Obsolete | Not Verified | Clock/Calendar | Alarm, Leap Year, Square Wave Output, Trickle-Charger | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I2C, Serial | 3.3V ~ 5.5V | 1.3V ~ 3.7V | 200µA @ 3.63V ~ 5.5V | -40°C ~ 85°C (TA) | Surface Mount | - | - | 16-SOIC |
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1339AC-31CSRGIIC RTC CLK/CALENDAR I2C 16SOIC |
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- | 16-SOIC (0.295", 7.50mm Width) | Tube | Obsolete | Not Verified | Clock/Calendar | Alarm, Leap Year, Square Wave Output, Trickle-Charger | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I2C, Serial | 3.3V ~ 5.5V | 1.3V ~ 3.7V | 200µA @ 3.63V ~ 5.5V | -40°C ~ 85°C (TA) | Surface Mount | - | - | 16-SOIC |
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1339AC-31CSRGI8IC RTC CLK/CALENDAR I2C 16SOIC |
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- | 16-SOIC (0.295", 7.50mm Width) | Tape & Reel (TR) | Obsolete | Not Verified | Clock/Calendar | Alarm, Leap Year, Square Wave Output, Trickle-Charger | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I2C, Serial | 3.3V ~ 5.5V | 1.3V ~ 3.7V | 200µA @ 3.63V ~ 5.5V | -40°C ~ 85°C (TA) | Surface Mount | - | - | 16-SOIC |
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1339BC-31SRGI8IC RTC CLK/CALENDAR I2C 16SOIC |
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- | 16-SOIC (0.295", 7.50mm Width) | Tape & Reel (TR) | Obsolete | Not Verified | Clock/Calendar | Alarm, Leap Year, Square Wave Output, Trickle-Charger | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I2C, Serial | 3.3V ~ 5.5V | 1.3V ~ 3.7V | 200µA @ 3.63V ~ 5.5V | -40°C ~ 85°C (TA) | Surface Mount | - | - | 16-SOIC |
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1337BCSRGIIC RTC CLK/CALENDAR I2C 16SOIC |
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- | 16-SOIC (0.295", 7.50mm Width) | Tube | Obsolete | Not Verified | Clock/Calendar | Alarm, Leap Year, Square Wave Output | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I2C | 1.8V ~ 5.5V | - | - | -40°C ~ 85°C | Surface Mount | - | - | 16-SOIC |
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1337BCSRGI8IC RTC CLK/CALENDAR I2C 16SOIC |
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- | 16-SOIC (0.295", 7.50mm Width) | Tape & Reel (TR) | Obsolete | Not Verified | Clock/Calendar | Alarm, Leap Year, Square Wave Output | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I2C | 1.8V ~ 5.5V | - | - | -40°C ~ 85°C | Surface Mount | - | - | 16-SOIC |
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RV-3129-C3-32.768KHZ-OPTION-B-TA-QAIC RTC CLK/CALENDAR I2C 10SON |
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Datasheet |
C3 | 10-VCDFN | Bulk | Active | Not Verified | Clock/Calendar | Alarm, EEPROM, RAM, Trickle Charger | 2B, 8B | HH:MM:SS | YY-MM-DD-dd | I2C, 2-Wire Serial | 1.3V ~ 5.5V, 2.1V ~ 5.5V | - | 1µA @ 3V | -40°C ~ 85°C | Surface Mount | - | - | 10-SON (3.7x2.5) |
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RV-3129-C3-32.768KHZ-OPTION-B-TB-QCIC RTC CLK/CALENDAR I2C 10SON |
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Datasheet |
C3 | 10-VCDFN | Bulk | Active | Not Verified | Clock/Calendar | Alarm, EEPROM, RAM, Trickle Charger | 2B, 8B | HH:MM:SS | YY-MM-DD-dd | I2C, 2-Wire Serial | 1.3V ~ 5.5V, 2.1V ~ 5.5V | - | 1µA @ 3V | -40°C ~ 125°C | Surface Mount | - | - | 10-SON (3.7x2.5) |
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RV-3149-C3-32.768KHZ-OPTION-B-TA-QAIC RTC CLK/CALENDAR SPI 10SON |
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Datasheet |
C3 | 10-VCDFN | Bulk | Active | Not Verified | Clock/Calendar | Alarm, EEPROM, RAM, Trickle Charger | 2B, 8B | HH:MM:SS | YY-MM-DD-dd | SPI, 4-Wire Serial | 1.3V ~ 5.5V, 2.1V ~ 5.5V | - | 1µA @ 3V | -40°C ~ 85°C | Surface Mount | - | - | 10-SON (3.7x2.5) |
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RV-3149-C3-32.768KHZ-OPTION-A-TB-QCIC RTC CLK/CALENDAR SPI 10SON |
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Datasheet |
C3 | 10-VCDFN | Bulk | Active | Not Verified | Clock/Calendar | Alarm, EEPROM, RAM, Trickle Charger | 2B, 8B | HH:MM:SS | YY-MM-DD-dd | SPI, 4-Wire Serial | 1.3V ~ 5.5V, 2.1V ~ 5.5V | - | 1µA @ 3V | -40°C ~ 125°C | Surface Mount | - | - | 10-SON (3.7x2.5) |
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RV-3129-C3-32.768KHZ-OPTION-A-TB-QCIC RTC CLK/CALENDAR I2C 10SON |
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Datasheet |
C3 | 10-VCDFN | Bulk | Active | Not Verified | Clock/Calendar | Alarm, EEPROM, RAM, Trickle Charger | 2B, 8B | HH:MM:SS | YY-MM-DD-dd | I2C, 2-Wire Serial | 1.3V ~ 5.5V, 2.1V ~ 5.5V | - | 1µA @ 3V | -40°C ~ 125°C | Surface Mount | - | - | 10-SON (3.7x2.5) |
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RV-3149-C3-32.768KHZ-OPTION-B-TB-QCIC RTC CLK/CALENDAR SPI 10SON |
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Datasheet |
C3 | 10-VCDFN | Bulk | Active | Not Verified | Clock/Calendar | Alarm, EEPROM, RAM, Trickle Charger | 2B, 8B | HH:MM:SS | YY-MM-DD-dd | SPI, 4-Wire Serial | 1.3V ~ 5.5V, 2.1V ~ 5.5V | - | 1µA @ 3V | -40°C ~ 125°C | Surface Mount | - | - | 10-SON (3.7x2.5) |
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RX-4574LCB PURE SNRX-4574LC:B RTC {SN-AG OR SN} 5+ |
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Datasheet |
RX-4574LC | 12-TFSOJ (0.094", 2.40mm Width) | Bulk | Obsolete | - | Clock/Calendar | Alarm | - | HH:MM:SS | YY-MM-DD | 3-Wire Serial | 1.6V ~ 5.5V | 1.3V ~ 5.5V | 700nA ~ 900nA @ 3V ~ 5V | -40°C ~ 85°C | Surface Mount | - | - | 12-VSOJ |
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RS5C316B-E2-FBWIRE INTERFACE REAL-TIME CLOCK |
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- | 8-LSSOP (0.173", 4.40mm Width) | Bulk | Obsolete | - | Clock/Calendar | Alarm, Leap Year | - | HH:MM:SS (12/24 hr) | YY-MM-DD | Parallel, Serial | 2.5V ~ 6V | - | 1.5µA ~ 2µA @ 3V ~ 6V | -40°C ~ 85°C | Surface Mount | - | - | 8-SSOP |
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RV5C348A-E2-FBWIRE INTERFACE REAL-TIME CLOCK |
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- | - | Bulk | Obsolete | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
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RS5C338A-E2-FBWIRE INTERFACE REAL-TIME CLOCK |
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- | 10-LFSOP (0.173", 4.40mm Width) | Bulk | Obsolete | - | Clock/Calendar | Alarm, Leap Year | 8B | HH:MM:SS (12/24 hr) | YY-MM-DD | 3-Wire Serial | 2V ~ 5.5V | - | 0.8µA @ 3V | -40°C ~ 85°C | Surface Mount | - | - | 10-SSOP |
Real Time Clocks Electronic Components
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