Clock/Timing - Real Time Clocks
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Mfr Part #
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Quantity Available
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Price
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Product Status
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Type
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Features
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Memory Size
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Time Format
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Date Format
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Interface
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Voltage - Supply
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Voltage - Supply, Battery
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Current - Timekeeping (Max)
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Operating Temperature
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Mounting Type
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Package / Case
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Supplier Device Package
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5000 In Stock |
5.43000 |
Obsolete |
Clock/Calendar |
Alarm, Leap Year, Unique ID |
- |
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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4178 In Stock |
6.33000 |
Active |
Clock/Calendar |
EEPROM, Leap Year, Supervisor, Trickle-Charger, Watchdog Timer |
512B |
HH:MM:SS:hh (12/24 hr) |
YY-MM-DD-dd |
I²C, 2-Wire Serial |
4.5V ~ 5.5V |
1.3V ~ 5.5V |
270µA @ 4.5V ~ 5.5V |
-40°C ~ 85°C |
Surface Mount |
8-SOIC (0.154", 3.90mm Width) |
8-SOIC |
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1423 In Stock |
5.80000 |
Active |
Elapsed Time Counter |
Alarm, EEPROM |
16B |
Binary |
Binary |
I²C, 2-Wire Serial |
2.5V ~ 5.5V |
- |
- |
-40°C ~ 85°C |
Surface Mount |
8-SOIC (0.154", 3.90mm Width) |
8-SOIC |
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5979 In Stock |
1.71000 |
Active |
Clock/Calendar |
Alarm, Leap Year, Programmable Clock Output, RAM, Timer |
1B |
HH:MM:SS (12/24 hr) |
YY-MM-DD-dd |
I²C, 2-Wire Serial |
0.9V ~ 5.5V |
- |
0.24µA @ 3V |
-40°C ~ 85°C (TA) |
Surface Mount |
8-WCDFN |
8-SON (3.2x1.5) |
||
2 In Stock |
6.90000 |
Active |
Clock/Calendar |
Leap Year, NVSRAM, Square Wave Output |
56B |
HH:MM:SS (12/24 hr) |
YY-MM-DD-dd |
I²C, 2-Wire Serial |
3V ~ 5.5V |
1.3V ~ 3.7V |
125µA ~ 200µA @ 3.63V ~ 5.5V |
-40°C ~ 85°C |
Surface Mount |
16-SOIC (0.295", 7.50mm Width) |
16-SOIC |
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81769 In Stock |
1.06000 |
Active |
Clock/Calendar |
Alarm, Leap Year, Square Wave Output |
- |
HH:MM:SS (12/24 hr) |
YY-MM-DD-dd |
I²C, 2-Wire Serial |
0.9V ~ 5.5V |
- |
0.6µA @ 3.3V |
-40°C ~ 85°C |
Surface Mount |
8-WFDFN Exposed Pad |
8-HWSON (2x3) |
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3730 In Stock |
3.79000 |
Active |
Clock/Calendar |
Alarm, Leap Year, SRAM |
- |
HH:MM:SS (12/24 hr) |
YY-MM-DD-dd |
SPI |
2V ~ 5.5V |
- |
0.7µA ~ 0.8µA @ 2V ~ 5V |
-40°C ~ 85°C |
Surface Mount |
8-WDFN Exposed Pad |
8-TDFN (3x3) |
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3344 In Stock |
4.90000 |
Active |
Clock/Calendar |
Leap Year, NVSRAM, Trickle-Charger |
31B |
HH:MM:SS (12/24 hr) |
YY-MM-DD-dd |
3-Wire Serial |
2V ~ 5.5V |
2V ~ 5.5V |
0.3µA ~ 1µA @ 2V ~ 5V |
0°C ~ 70°C |
Surface Mount |
8-SOIC (0.209", 5.30mm Width) |
8-SOIC |
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2505 In Stock |
1.63000 |
Active |
Clock/Calendar |
Alarm, Leap Year |
- |
HH:MM:SS (12/24 hr) |
YY-MM-DD-dd |
3-Wire Serial |
1.3V ~ 5.5V |
- |
0.93µA ~ 1.1µA @ 3V ~ 5V |
-40°C ~ 85°C |
Surface Mount |
8-SMD, Flat Lead |
SNT-8A |
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14241 In Stock |
2.72000 |
Obsolete |
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-SSOP (0.154", 3.90mm Width) |
24-SSOP |
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2380 In Stock |
12.50000 |
Obsolete |
Clock/Calendar |
Leap Year, NVSRAM, Y2K |
8KB |
HH:MM:SS (24 hr) |
YY-MM-DD-dd |
Parallel |
4.5V ~ 5.5V |
3V |
3mA @ 5V |
0°C ~ 70°C |
Surface Mount |
34-PowerCap™ Module |
34-PowerCap Module |
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2107 In Stock |
6.28500 |
Active |
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 |
24-SOIC (0.295", 7.50mm Width) |
24-SOIC |
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19119 In Stock |
4.40000 |
Active |
Clock/Calendar |
Leap Year, NVSRAM, Square Wave Output |
56B |
HH:MM:SS (12/24 hr) |
YY-MM-DD-dd |
I²C, 2-Wire Serial |
3V ~ 5.5V |
1.3V ~ 5.5V |
125µA ~ 200µA @ 3V ~ 5.5V |
-40°C ~ 85°C |
Surface Mount |
8-TSSOP, 8-MSOP (0.118", 3.00mm Width) |
8-uMAX/uSOP |
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5423 In Stock |
3.47000 |
Obsolete |
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 |
14-SOIC (0.154", 3.90mm Width) |
14-SOIC |
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138 In Stock |
37.14000 |
Active |
Clock/Calendar |
Leap Year, NVSRAM, Y2K |
128KB |
HH:MM:SS (24 hr) |
YY-MM-DD-dd |
Parallel |
4.5V ~ 5.5V |
3V |
4mA @ 5V |
0°C ~ 70°C |
Surface Mount |
34-PowerCap™ Module |
34-PowerCap Module |
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6446 In Stock |
2.37000 |
Active |
Clock/Calendar |
Leap Year, Trickle-Charger |
- |
HH:MM:SS (24 hr) |
YY-MM-DD-dd |
I²C, 2-Wire Serial |
2.7V ~ 5.5V |
1.3V ~ 3.7V |
125µA @ 3.3V |
-40°C ~ 85°C |
Surface Mount |
8-TSSOP, 8-MSOP (0.118", 3.00mm Width) |
8-uMAX/uSOP |
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9213 In Stock |
8.56000 |
Active |
Clock/Calendar |
Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer |
- |
HH:MM:SS (12/24 hr) |
YY-MM-DD-dd |
Parallel |
4.75V ~ 5.5V |
2.3V ~ 4V |
1.5mA (Typ) @ 4.5 V ~ 5.5 V |
0°C ~ 70°C |
Surface Mount |
28-SOIC (0.295", 7.50mm Width) |
28-SOIC |
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2203 In Stock |
6.95000 |
Active |
Clock/Calendar |
Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer |
- |
HH:MM:SS (12/24 hr) |
YY-MM-DD-dd |
Parallel |
2.7V ~ 3.6V |
2.4V ~ 4V |
1.5mA (Typ) @ 2.7 V ~ 3.6 V |
0°C ~ 70°C |
Surface Mount |
28-SOIC (0.295", 7.50mm Width) |
28-SOIC |
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234 In Stock |
6.76000 |
Obsolete |
Clock/Calendar |
Alarm, NVSRAM, Square Wave Output, Y2K |
242B |
HH:MM:SS (12/24 hr) |
YY-MM-DD-dd |
Parallel |
2.7V ~ 3.7V |
2.5V ~ 3.7V |
2mA @ 3V |
0°C ~ 70°C |
Surface Mount |
28-LCC (J-Lead) |
28-PLCC (11.51x11.51) |
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69 In Stock |
5.69000 |
Active |
Clock/Calendar |
Alarm, Leap Year, Square Wave Output |
50B |
HH:MM:SS (12/24 hr) |
YY-MM-DD-dd |
- |
3V ~ 6V |
- |
50µA ~ 3mA @ 3V ~ 5V |
0°C ~ 70°C (TA) |
Through Hole |
24-CDIP (0.600", 15.24mm) |
24-SBDIP |
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4734 In Stock |
7.78000 |
Active |
Clock/Calendar |
Alarm, NVSRAM, Square Wave Output, Y2K |
242B |
HH:MM:SS (12/24 hr) |
YY-MM-DD-dd |
Parallel |
4.5V ~ 5.5V |
2.5V ~ 3.7V |
3mA @ 5V |
0°C ~ 70°C |
Surface Mount |
24-TSSOP (0.173", 4.40mm Width) |
24-TSSOP |
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532 In Stock |
7.77000 |
Obsolete |
Clock/Calendar |
Alarm, Leap Year, Square Wave Output, Unique ID |
114B |
HH:MM:SS (12/24 hr) |
YY-MM-DD |
Parallel |
2.7V ~ 3.3V, 4.5V ~ 5.5V |
- |
- |
0°C ~ 70°C |
Surface Mount |
28-SOIC (0.337", 8.56mm Width) |
28-SOIC |
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7101 In Stock |
27.37000 |
Active |
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 |
-40°C ~ 85°C |
Through Hole |
24-DIP Module (0.600", 15.24mm) |
24-EDIP |
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8547 In Stock |
1.14000 |
Active |
Clock/Calendar |
Alarm, Leap Year, Square Wave Output, SRAM, Unique ID |
64B, 1Kb |
HH:MM:SS (12/24 hr) |
YY-MM-DD-dd |
I²C, 2-Wire Serial |
1.8V ~ 5.5V |
1.3V ~ 5.5V |
1.2µA @ 3.3V |
-40°C ~ 85°C |
Surface Mount |
8-SOIC (0.154", 3.90mm Width) |
8-SOIC |























