Real Time Clocks：
| Compare | Mfr Part # | Quantity Available | Series | Package | Product Status | Programmable | Type | Features | Memory Size | Time Format | Date Format | Interface | Voltage - Supply | Voltage - Supply, Battery | Current - Timekeeping (Max) | Operating Temperature | Mounting Type | Package / Case | Supplier Device Package | ||||||||||||||||||||
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4493 |
Timekeeper® |
Tape & Reel (TR),Cut Tape (CT) |
Active |
Not Verified |
Clock/Calendar |
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-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets |
28-SOH |
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|
1351 |
Timekeeper® |
Tube |
Active |
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 |
Through Hole |
24-DIP Module (0.600", 15.24mm) |
24-PCDIP, CAPHAT® |
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|
3441 |
- |
Tape & Reel (TR),Cut Tape (CT) |
Active |
Not Verified |
Clock/Calendar |
Alarm, Leap Year, NVSRAM, Square Wave Output, Supervisor, Watchdog Timer |
44B |
HH:MM:SS:hh (24 hr) |
YY-MM-DD-dd |
I²C, 2-Wire Serial |
2.7V ~ 3.6V |
2.5V ~ 3.5V |
0.5mA @ 2.7V ~ 3.6V |
-40°C ~ 85°C |
Surface Mount |
28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets |
28-SOH |
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8290 |
- |
Tape & Reel (TR),Cut Tape (CT) |
Active |
Not Verified |
Clock/Calendar |
Alarm, Leap Year, Square Wave Output |
- |
HH:MM:SS:hh (24 hr) |
YY-MM-DD-dd |
I²C, 2-Wire Serial |
2V ~ 5.5V |
- |
2.4µA ~ 31µA @ 2V ~ 5.5V |
-40°C ~ 85°C |
Surface Mount |
8-SOIC (0.154", 3.90mm Width) |
8-SOIC |
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|
1714 |
- |
Tape & Reel (TR),Cut Tape (CT) |
Active |
Not Verified |
Clock/Calendar |
Leap Year |
- |
HH:MM:SS |
YY-MM-DD-dd |
I²C, 2-Wire Serial |
2V ~ 5.5V |
2.5V ~ 3.5V |
70µA @ 2V ~ 5.5V |
-40°C ~ 85°C |
Surface Mount |
8-SOIC (0.154", 3.90mm Width) |
8-SOIC |
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|
2879 |
- |
Tape & Reel (TR),Cut Tape (CT) |
Active |
Not Verified |
Clock/Calendar |
Leap Year, NVSRAM |
56B |
HH:MM:SS |
YY-MM-DD-dd |
I²C, 2-Wire Serial |
2V ~ 5.5V |
2.5V ~ 3.5V |
70µA @ 2V ~ 5.5V |
-40°C ~ 85°C |
Surface Mount |
8-SOIC (0.154", 3.90mm Width) |
8-SOIC |
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|
3100 |
- |
Tape & Reel (TR),Cut Tape (CT) |
Active |
Not Verified |
Clock/Calendar |
Alarm, Leap Year, NVRAM, Square Wave Output, Watchdog Timer |
44B |
HH:MM:SS:hh (24 hr) |
YY-MM-DD-dd |
SPI |
2.7V ~ 5.5V |
2.5V ~ 3.5V |
1.4mA @ 2.7V ~ 5.5V |
-40°C ~ 85°C |
Surface Mount |
16-SOIC (0.154", 3.90mm Width) |
16-SO |
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|
1984 |
- |
Tape & Reel (TR),Cut Tape (CT) |
Active |
Not Verified |
Clock/Calendar |
Alarm, Leap Year, NVSRAM, Square Wave Output, Supervisor, Watchdog Timer |
44B |
HH:MM:SS:hh (24 hr) |
YY-MM-DD-dd |
I²C, 2-Wire Serial |
2.7V ~ 3.6V |
2.5V ~ 3.5V |
0.5mA @ 2.7V ~ 3.6V |
-40°C ~ 85°C |
Surface Mount |
28-SOIC (0.295", 7.50mm Width) |
28-SO |
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|
1754 |
Timekeeper® |
Tape & Reel (TR),Cut Tape (CT) |
Active |
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-SOIC (0.337", 8.56mm Width) with SNAPHAT Sockets |
28-SOH |
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|
2054 |
Timekeeper® |
Tape & Reel (TR),Cut Tape (CT) |
Active |
Not Verified |
Clock/Calendar |
Alarm, Leap Year, Square Wave Output, Supervisor, Watchdog Timer, Y2K |
- |
HH:MM:SS (24 hr) |
YY-MM-DD-dd |
Parallel |
3V ~ 3.6V |
3V |
2mA @ 3V ~ 3.6V |
0°C ~ 70°C |
Surface Mount |
44-BSOP (0.337", 8.56mm Width) requires SNAPHAT |
44-SOH |
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|
1519 |
Timekeeper® |
Tape & Reel (TR),Cut Tape (CT) |
Active |
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 |
44-BSOP (0.337", 8.56mm Width) requires SNAPHAT |
44-SOH |
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|
50 |
Timekeeper® |
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 |
44-BSOP (0.337", 8.56mm Width) requires SNAPHAT |
44-SOH |
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|
2070 |
Timekeeper® |
Tape & Reel (TR),Cut Tape (CT) |
Active |
Not Verified |
Clock/Calendar |
Alarm, Leap Year, Watchdog Timer |
- |
HH:MM:SS (24 hr) |
YY-MM-DD-dd |
Parallel |
3V ~ 3.6V |
- |
2mA @ 3V ~ 3.6V |
0°C ~ 70°C |
Surface Mount |
44-BSOP (0.337", 8.56mm Width) requires SNAPHAT |
44-SOH |
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|
1409 |
- |
Tape & Reel (TR),Cut Tape (CT) |
Obsolete |
Not Verified |
Phantom Time Chip |
Leap Year, Supervisor |
- |
HH:MM:SS (12/24 hr) |
YY-MM-DD-dd |
Serial |
3V ~ 3.6V |
2.5V ~ 3.7V |
2mA @ 2.7V ~ 3.6V |
-40°C ~ 85°C |
Surface Mount |
28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets |
28-SOH |
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|
1301 |
Timekeeper® |
Tape & Reel (TR),Cut Tape (CT) |
Active |
Not Verified |
Clock/Calendar |
Alarm, Leap Year, Square Wave Output, Supervisor, Watchdog Timer, Y2K |
- |
HH:MM:SS (24 hr) |
YY-MM-DD-dd |
Parallel |
4.5V ~ 5.5V |
3V |
3mA @ 4.5V ~ 5.5V |
0°C ~ 70°C |
Surface Mount |
44-BSOP (0.337", 8.56mm Width) requires SNAPHAT |
44-SOH |
