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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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PT7C4302ZEEIC RTC CLK/CALENDAR SER 8TDFN |
0 |
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Datasheet |
- | 8-WFDFN Exposed Pad | Bulk | Obsolete | Not Verified | Clock/Calendar | Leap Year, NVSRAM, Square Wave Output, Trickle-Charger | 31B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | 3-Wire Serial | 1.2V ~ 5.5V | 1.5V ~ 5.5V | 25.3µA ~ 81µA @ 2V ~ 5V | -40°C ~ 85°C (TA) | Surface Mount | - | - | 8-TDFN (2x3) |
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PT7C4372AZEEIC RTC CLK/CALENDAR I2C 8TDFN |
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- | 8-WFDFN Exposed Pad | Bulk | Obsolete | Not Verified | Clock/Calendar | Alarm, Leap Year | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I2C, 2-Wire Serial | 1.8V ~ 6V | - | 0.8µA @ 3V | -40°C ~ 85°C (TA) | Surface Mount | - | - | 8-TDFN (2x3) |
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PT7C4563ZEEIC RTC CLK/CALENDAR I2C 8TDFN |
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Datasheet |
- | 8-WFDFN Exposed Pad | Tube | Obsolete | Not Verified | Clock/Calendar | Alarm, Leap Year, Square Wave Output | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | I2C, 2-Wire Serial | 1.3V ~ 5.5V | - | 0.65µA ~ 0.85µA @ 3V ~ 5V | -40°C ~ 85°C (TA) | Surface Mount | - | - | 8-TDFN (2x3) |
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RA-4574SA:B PURE SNIC RTC CLK/CALENDAR SER 14SOP |
0 |
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Datasheet |
RA-4574SA | 14-SOIC (0.197", 5.00mm Width) | Tube | Obsolete | Not Verified | Clock/Calendar | Alarm | - | - | - | 3-Wire Serial | 1.6V ~ 5.5V | - | 1µA ~ 2µA @ 3V ~ 5V | -40°C ~ 85°C | Surface Mount | - | - | 14-SOP |
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RA-4574SA:B0 PURE SNIC RTC CLK/CALENDAR SER 14SOP |
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Datasheet |
RA-4574SA | 14-SOIC (0.197", 5.00mm Width) | Tape & Reel (TR) | Obsolete | Not Verified | Clock/Calendar | Alarm | - | - | - | 3-Wire Serial | 1.6V ~ 5.5V | - | 1µA ~ 2µA @ 3V ~ 5V | -40°C ~ 85°C | Surface Mount | - | - | 14-SOP |
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RA-8565SA:B PURE SNIC RTC CLK/CALENDAR I2C 14SOP |
0 |
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Datasheet |
RA-8565SA | 14-SOIC (0.197", 5.00mm Width) | Tube | Obsolete | Not Verified | Clock/Calendar | Alarm | - | HH:MM:SS | YY-MM-DD-dd | I2C | 1.8V ~ 5.5V | - | 1µA ~ 1.8µA @ 3V ~ 5V | -40°C ~ 125°C | Surface Mount | - | - | 14-SOP |
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RA-8565SA:B0 PURE SNIC RTC CLK/CALENDAR I2C 14SOP |
0 |
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Datasheet |
RA-8565SA | 14-SOIC (0.197", 5.00mm Width) | Tape & Reel (TR) | Obsolete | Not Verified | Clock/Calendar | Alarm | - | HH:MM:SS | YY-MM-DD-dd | I2C | 1.8V ~ 5.5V | - | 1µA ~ 1.8µA @ 3V ~ 5V | -40°C ~ 125°C | Surface Mount | - | - | 14-SOP |
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RA-8565SA:B3 PURE SNIC RTC CLK/CALENDAR I2C 14SOP |
0 |
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Datasheet |
RA-8565SA | 14-SOIC (0.197", 5.00mm Width) | Tape & Reel (TR) | Obsolete | Not Verified | Clock/Calendar | Alarm | - | HH:MM:SS | YY-MM-DD-dd | I2C | 1.8V ~ 5.5V | - | 1µA ~ 1.8µA @ 3V ~ 5V | -40°C ~ 125°C | Surface Mount | - | - | 14-SOP |
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RTC-4543SA:A ROHSIC RTC CLK/CALENDAR SER 14SOP |
0 |
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Datasheet |
RTC-4543SA | 14-SOIC (0.197", 5.00mm Width) | Bulk | Obsolete | Not Verified | Clock/Calendar | Leap Year | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | 3-Wire Serial | 2.5V ~ 5.5V | - | 1µA ~ 3µA @ 2V ~ 5V | -40°C ~ 85°C | Surface Mount | - | - | 14-SOP |
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RTC-4543SA:B:PURE SNIC RTC CLK/CALENDAR SER 14SOP |
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Datasheet |
RTC-4543SA | 14-SOIC (0.197", 5.00mm Width) | Tube | Obsolete | Not Verified | Clock/Calendar | Leap Year | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | 3-Wire Serial | 2.5V ~ 5.5V | - | 1µA ~ 3µA @ 2V ~ 5V | -40°C ~ 85°C | Surface Mount | - | - | 14-SOP |
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RTC-4543SA:B ROHSIC RTC CLK/CALENDAR SER 14SOP |
0 |
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Datasheet |
RTC-4543SA | 14-SOIC (0.197", 5.00mm Width) | Tube | Obsolete | Not Verified | Clock/Calendar | Leap Year | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | 3-Wire Serial | 2.5V ~ 5.5V | - | 1µA ~ 3µA @ 2V ~ 5V | -40°C ~ 85°C | Surface Mount | - | - | 14-SOP |
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RTC-4543SA:B3:PURE SNIC RTC CLK/CALENDAR SER 14SOP |
0 |
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Datasheet |
RTC-4543SA | 14-SOIC (0.197", 5.00mm Width) | Tape & Reel (TR) | Obsolete | Not Verified | Clock/Calendar | Leap Year | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | 3-Wire Serial | 2.5V ~ 5.5V | - | 1µA ~ 3µA @ 2V ~ 5V | -40°C ~ 85°C | Surface Mount | - | - | 14-SOP |
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RTC-4574JE:B ROHSIC RTC CLK/CALENDAR SER 20VSOJ |
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Datasheet |
RTC-4574JE | 20-LSSOJ (0.213", 5.40mm Width) | Strip | Obsolete | Not Verified | Clock/Calendar | Alarm | - | - | - | 3-Wire Serial | 1.6V ~ 5.5V | - | 1µA ~ 2µA @ 3V ~ 5V | -40°C ~ 85°C | Surface Mount | - | - | 20-VSOJ |
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RTC-4574NB:B ROHSIC RTC CLK/CALENDAR SER 22SON |
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Datasheet |
- | 22-LFDFN | Strip | Obsolete | Not Verified | Clock/Calendar | Alarm | - | - | - | 3-Wire Serial | 1.6V ~ 5.5V | - | 1µA ~ 2µA @ 3V ~ 5V | -40°C ~ 85°C | Surface Mount | - | - | 22-SON (6.3x4.8) |
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RTC-4574SA:B:PURE SNIC RTC CLK/CALENDAR SER 14SOP |
0 |
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Datasheet |
RTC-4574SA | 14-SOIC (0.197", 5.00mm Width) | Tube | Obsolete | Not Verified | Clock/Calendar | Alarm | - | - | - | 3-Wire Serial | 1.6V ~ 5.5V | - | 1µA ~ 2µA @ 3V ~ 5V | -40°C ~ 85°C | Surface Mount | - | - | 14-SOP |
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RTC-4574SA:B3:PURE SNIC RTC CLK/CALENDAR SER 14SOP |
0 |
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Datasheet |
RTC-4574SA | 14-SOIC (0.197", 5.00mm Width) | Tape & Reel (TR) | Obsolete | Not Verified | Clock/Calendar | Alarm | - | - | - | 3-Wire Serial | 1.6V ~ 5.5V | - | 1µA ~ 2µA @ 3V ~ 5V | -40°C ~ 85°C | Surface Mount | - | - | 14-SOP |
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RTC-4701JE:B ROHSIC RTC CLK/CALENDAR SER 20VSOJ |
0 |
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Datasheet |
- | 20-LSSOJ (0.213", 5.40mm Width) | Strip | Obsolete | Not Verified | Clock/Calendar | Alarm | - | - | - | 3-Wire Serial | 1.6V ~ 5.5V | - | - | -40°C ~ 85°C | Surface Mount | - | - | 20-VSOJ |
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RTC-4701NB:B ROHSIC RTC CLK/CALENDAR SER 22SON |
0 |
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Datasheet |
- | 22-LFDFN | Strip | Obsolete | Not Verified | Clock/Calendar | Alarm | - | - | - | 3-Wire Serial | 1.6V ~ 5.5V | - | - | -40°C ~ 85°C | Surface Mount | - | - | 22-SON (6.3x4.8) |
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RTC-72421A: PURE SNIC RTC CLK/CALENDAR PAR 18DIP |
0 |
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Datasheet |
RTC-72421 | 18-DIP (0.300", 7.62mm) | Bulk | Obsolete | Not Verified | Clock/Calendar | Leap Year | - | HH:MM:SS (12/24 hr) | - | Parallel | 4.5V ~ 5.5V | - | 5µA ~ 10µA @ 2V ~ 5V | -10°C ~ 70°C | Through Hole | - | - | 18-DIP |
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RTC-72421B: PURE SNIC RTC CLK/CALENDAR PAR 18DIP |
0 |
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Datasheet |
RTC-72421 | 18-DIP (0.300", 7.62mm) | Bulk | Obsolete | Not Verified | Clock/Calendar | Leap Year | - | HH:MM:SS (12/24 hr) | - | Parallel | 4.5V ~ 5.5V | - | 5µA ~ 10µA @ 2V ~ 5V | -10°C ~ 70°C | Through Hole | - | - | 18-DIP |
Real Time Clocks Electronic Components
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