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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50 |
- |
Tube |
Obsolete |
Not Verified |
Clock/Calendar |
Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output |
242B |
HH:MM:SS (12/24 hr) |
YY-MM-DD-dd |
Parallel |
4.5V ~ 5.5V |
2.5V ~ 4V |
300µA @ 5V |
0°C ~ 70°C |
Surface Mount |
24-SOIC (0.295", 7.50mm Width) |
24-SOIC |
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50 |
- |
Bulk |
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 ~ 5.5V |
-40°C ~ 85°C |
Surface Mount |
8-SOIC (0.154", 3.90mm Width) |
8-SOIC |
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50 |
- |
Tube |
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 ~ 5.5V |
-40°C ~ 85°C |
Surface Mount |
8-SOIC (0.154", 3.90mm Width) |
8-SOIC |
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50 |
- |
Bulk |
Active |
Not Verified |
Clock/Calendar |
Alarm, Daylight Savings, Leap Year, SRAM |
128B |
HH:MM:SS (12/24 hr) |
YY-MM-DD-dd |
I²C |
2.7V ~ 5.5V |
1.8V ~ 5.5V |
5.5µA ~ 6.5µA @ 3V ~ 5V |
-20°C ~ 70°C |
Surface Mount |
8-SOIC (0.154", 3.90mm Width) |
8-SOIC |
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50 |
- |
Bulk |
Active |
Not Verified |
Clock/Calendar |
Leap Year, NVSRAM, Square Wave Output |
56B |
HH:MM:SS (12/24 hr) |
YY-MM-DD-dd |
I²C |
4.5V ~ 5.5V |
2V ~ 3.5V |
200µA @ 5V |
0°C ~ 70°C (TA) |
Surface Mount |
8-SOIC (0.154", 3.90mm Width) |
8-SOIC |
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50 |
- |
Bulk |
Active |
- |
Clock/Calendar |
Alarm, Leap Year, Square Wave Output, Trickle-Charger |
- |
HH:MM:SS:hh (12/24 hr) |
YY-MM-DD-dd |
SPI, 4-Wire Serial |
2.7V ~ 3.3V |
1.3V ~ 3.7V |
175µA @ 2.97V ~ 5.5V |
-40°C ~ 85°C (TA) |
Surface Mount |
10-TFSOP, 10-MSOP (0.118", 3.00mm Width) |
10-uMAX |
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50 |
- |
Bulk |
Active |
Not Verified |
Clock/Calendar |
Alarm, Leap Year, Square Wave Output |
- |
HH:MM:SS (12/24 hr) |
YY-MM-DD |
I²C |
1.8V ~ 5.5V |
- |
0.6µA @ 1.3V ~ 1.8V |
-40°C ~ 85°C (TA) |
Surface Mount |
8-TSSOP, 8-MSOP (0.118", 3.00mm Width) |
8-µMAX |
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50 |
- |
Bulk |
Active |
- |
Clock/Calendar |
Alarm |
- |
HH:MM:SS:hh (12/24 hr) |
YY-MM-DD-dd |
- |
1.9V, 2.6V ~ 5.5V |
2.8V ~ 3.5V |
20µA @ 5V |
-40°C ~ 85°C (TA) |
Surface Mount |
- |
- |
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50 |
- |
Bulk |
Active |
Not Verified |
Clock/Calendar |
Alarm |
- |
HH:MM:SS:hh (12/24 hr) |
YY-MM-DD-dd |
- |
1.9V, 2.6V ~ 5.5V |
2.8V ~ 3.5V |
20µA @ 5V |
-40°C ~ 85°C (TA) |
Through Hole |
24-DIP (0.600", 15.24mm) |
24-PDIP |
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2828 |
- |
Tube |
Obsolete |
Not Verified |
Clock/Calendar |
Alarm, Leap Year |
- |
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 |
8-TSSOP (0.173", 4.40mm Width) |
8-TSSOP |
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2398 |
- |
Tube |
Obsolete |
Not Verified |
Clock/Calendar |
Alarm, Daylight Savings, Leap Year, SRAM |
128B |
HH:MM:SS (12/24 hr) |
YY-MM-DD-dd |
I²C, 2-Wire Serial |
2.7V ~ 5.5V |
1.8V ~ 5.5V |
5.5µA ~ 6.5µA @ 3V ~ 5V |
-20°C ~ 70°C |
Surface Mount |
14-TSSOP (0.173", 4.40mm Width) |
14-TSSOP |
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8036 |
- |
Bulk |
Active |
Not Verified |
Binary Counter |
Unique ID |
- |
Binary |
Binary |
1-Wire® Serial |
2.5V ~ 5.5V |
- |
0.45µA @ 2.5V ~ 5.5V |
-40°C ~ 85°C |
Surface Mount |
6-VFBGA, FCBGA |
6-FlipChip (1.09x1.37) |
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5382 |
- |
Tube |
Obsolete |
Not Verified |
Clock/Calendar |
Alarm, Leap Year, SRAM |
2B |
HH:MM:SS (12/24 hr) |
YY-MM-DD-dd |
I²C, 2-Wire Serial |
2.7V ~ 5.5V |
1.8V ~ 5.5V |
4µA ~ 6µA @ 3V ~ 5V |
-40°C ~ 85°C |
Surface Mount |
8-TSSOP, 8-MSOP (0.118", 3.00mm Width) |
8-MSOP |
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7234 |
- |
Bulk |
Obsolete |
Not Verified |
Clock/Calendar |
Alarm, Leap Year, SRAM |
2B |
HH:MM:SS (12/24 hr) |
YY-MM-DD-dd |
I²C, 2-Wire Serial |
2.7V ~ 5.5V |
1.8V ~ 5.5V |
4µA ~ 6µA @ 3V ~ 5V |
-40°C ~ 85°C |
Surface Mount |
8-TSSOP, 8-MSOP (0.118", 3.00mm Width) |
8-MSOP |
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2204 |
- |
Tube |
Obsolete |
Not Verified |
Clock/Calendar |
Alarm, Daylight Savings, SRAM |
128B |
HH:MM:SS:hh (12/24 hr) |
YY-MM-DD-dd |
I²C, 2-Wire Serial |
2.7V ~ 5.5V |
- |
18µA @ 5.5V |
-40°C ~ 85°C |
Surface Mount |
8-SOIC (0.154", 3.90mm Width) |
8-SOIC |
