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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2000 In Stock |
11.38000 |
Active |
Clock/Calendar |
Alarm, Leap Year, NVSRAM, Square Wave Output, Supervisor, Watchdog Timer |
128B |
HH:MM:SS:hh (24 hr) |
YY-MM-DD-dd |
I²C, 2-Wire Serial |
2.7V ~ 3.6V |
2.5V ~ 3.6V |
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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9430 In Stock |
34.74000 |
Active |
Clock/Calendar |
Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K |
32KB |
HH:MM:SS (24 hr) |
YY-MM-DD-dd |
Parallel |
2.97V ~ 3.63V |
- |
4mA @ 3.3V |
-40°C ~ 85°C |
Through Hole |
32-DIP Module (0.600", 15.24mm) |
32-EDIP |
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5564 In Stock |
2.63860 |
Active |
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 ~ 5.5V |
-40°C ~ 85°C |
Surface Mount |
8-TSSOP (0.173", 4.40mm Width) |
8-TSSOP |
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5354 In Stock |
5.68000 |
Active |
Clock/Calendar |
Alarm, Leap Year, Square Wave Output, SRAM, TCXO/Crystal, Watchdog Timer |
512B |
HH:MM:SS (12/24 hr) |
YY-MM-DD-dd |
I²C, 2-Wire Serial |
1.8V ~ 4.2V |
1.8V ~ 4.2V |
1.5µA @ 3.3V |
-40°C ~ 85°C |
Surface Mount |
16-SOIC (0.295", 7.50mm Width) |
16-SO |
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5841 In Stock |
1.73680 |
Active |
Clock/Calendar |
Alarm, Leap Year |
- |
HH:MM:SS (12/24 hr) |
YY-MM-DD-dd |
I²C, 2-Wire Serial |
1.8V ~ 3.6V |
- |
0.65µA @ 1.8V |
-40°C ~ 85°C |
Surface Mount |
8-TSSOP, 8-MSOP (0.118", 3.00mm Width) |
8-MSOP |
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471 In Stock |
3.76000 |
Active |
Binary Counter |
Alarm, Square Wave Output, Watchdog Timer |
- |
Binary |
Binary |
I²C, 2-Wire Serial |
1.7V ~ 5.5V |
- |
1.3µA @ 1.7V ~ 5.5V |
-40°C ~ 85°C |
Surface Mount |
8-TSSOP, 8-MSOP (0.118", 3.00mm Width) |
8-uMAX/uSOP |
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3189 In Stock |
6.20000 |
Active |
Clock/Calendar |
Alarm, Leap Year, Square Wave Output, TCXO/Crystal, Watchdog Timer |
- |
HH:MM:SS (12/24 hr) |
YY-MM-DD-dd |
I²C, 2-Wire Serial |
1.8V ~ 4.2V |
1.8V ~ 4.2V |
1.5µA @ 3.3V |
-40°C ~ 85°C |
Surface Mount |
20-SOIC (0.295", 7.50mm Width) |
20-SO |
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2182 In Stock |
71.57000 |
Obsolete |
Clock/Calendar |
Alarm |
- |
HH:MM:SS (24 hr) |
YY-MM-DD-dd |
Parallel |
4.5V ~ 5.5V |
- |
1mA @ 4.5V ~ 5.5V |
-40°C ~ 85°C |
Through Hole |
32-DIP Module (0.61", 15.49mm) |
32-DIP Module (18.42x52.96) |
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4610 In Stock |
4.67000 |
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-TSSOP (0.173", 4.40mm Width) |
28-TSSOP |
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203 In Stock |
27.12000 |
Obsolete |
Phantom Time Chip |
Leap Year, NVSRAM |
512KB |
HH:MM:SS:hh (12/24 hr) |
YY-MM-DD-dd |
Parallel |
2.97V ~ 3.63V |
- |
7mA @ 3.3V |
0°C ~ 70°C |
Through Hole |
32-DIP Module (0.600", 15.24mm) |
32-EDIP |
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9577 In Stock |
1.19000 |
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-TSSOP (0.173", 4.40mm Width) |
8-TSSOP |
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1487 In Stock |
1.82000 |
Active |
Clock/Calendar |
Leap Year, Square Wave Output, Trickle-Charger |
- |
HH:MM:SS (24 hr) |
YY-MM-DD-dd |
I²C, 2-Wire Serial |
3V ~ 3.6V |
1.4V ~ 3.6V |
100µA @ 3.3V |
-40°C ~ 85°C |
Surface Mount |
8-SOIC (0.154", 3.90mm Width) |
8-SOIC |
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4701 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-SOIC (0.154", 3.90mm Width) |
8-SOIC |
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3483 In Stock |
41.49000 |
Active |
Clock/Calendar |
Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K |
128KB |
HH:MM:SS (24 hr) |
YY-MM-DD-dd |
Parallel |
2.97V ~ 3.63V |
- |
4mA @ 3.3V |
0°C ~ 70°C |
Through Hole |
32-DIP Module (0.600", 15.24mm) |
32-EDIP |
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8896 In Stock |
0.80560 |
Active |
Clock/Calendar |
Leap Year, Square Wave Output, Y2K |
56B |
HH:MM:SS (24 hr) |
YY-MM-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-SOIC (0.154", 3.90mm Width) |
8-SOIC |
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2358 In Stock |
5.71000 |
Active |
Clock/Calendar |
Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer |
7B |
HH:MM:SS:hh (24 hr) |
YY-MM-DD-dd |
I²C, 2-Wire Serial |
2.38V ~ 5.5V |
2V ~ 5.5V |
10µA @ 5.5V |
-40°C ~ 85°C |
Surface Mount |
18-SOX, 18-SOIC with Crystal (7.5mm Width) |
18-SOX |
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4108 In Stock |
2.53200 |
Not For New Designs |
Clock/Calendar |
Alarm, Programmable Clock Output, RAM, Timer, Trickle Charger, Watchdog Timer |
256B |
HH:MM:SS:hh (12/24 hr) |
YY-MM-DD-dd |
I²C, 2-Wire Serial |
1.5V ~ 3.6V |
- |
0.08µA @ 3V |
-40°C ~ 85°C (TA) |
Surface Mount |
10-VCDFN |
10-SON (3.7x2.5) |
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6682 In Stock |
1.40000 |
Active |
Clock/Calendar |
Alarm, Leap Year, Watchdog Timer |
- |
HH:MM:SS:hh (12/24 hr) |
YY-MM-DD-dd |
I²C, 2-Wire Serial |
0.9V ~ 5.5V |
0.9V ~ 5.5V |
0.885µA @ 3.3V |
-40°C ~ 85°C |
Surface Mount |
8-SOIC (0.154", 3.90mm Width) |
8-SO |
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5699 In Stock |
4.66000 |
Active |
Clock/Calendar |
Alarm, Leap Year, Square Wave Output, Trickle-Charger |
- |
HH:MM:SS:hh (12/24 hr) |
YY-MM-DD-dd |
SPI |
2.7V ~ 3.3V |
1.3V ~ 3.7V |
125µA @ 2.7V ~ 3.3V |
-40°C ~ 85°C |
Surface Mount |
10-TFSOP, 10-MSOP (0.118", 3.00mm Width) |
10-uMAX/uSOP |
||
3000 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 |
8-SOIC (0.154", 3.90mm Width) |
8-SOIC |
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4685 In Stock |
0.95000 |
Active |
Clock/Calendar |
Alarm, Leap Year, Square Wave Output, SRAM, Unique ID |
64B |
HH:MM:SS (12/24 hr) |
YY-MM-DD-dd |
I²C, 2-Wire Serial |
1.8V ~ 5.5V |
1.3V ~ 5.5V |
1.2µA (Typ) @ 3.3V |
-40°C ~ 85°C |
Surface Mount |
8-SOIC (0.154", 3.90mm Width) |
8-SOIC |
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3643 In Stock |
28.16000 |
Active |
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 |
Through Hole |
28-DIP Module (0.600", 15.24mm) |
28-PCDIP, CAPHAT® |
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8313 In Stock |
1.09500 |
Active |
Clock/Calendar |
Alarm, Leap Year, Square Wave Output, SRAM, Unique ID |
64B |
HH:MM:SS (12/24 hr) |
YY-MM-DD-dd |
I²C, 2-Wire Serial |
1.8V ~ 5.5V |
1.3V ~ 5.5V |
1.2µA (Typ) @ 3.3V |
-40°C ~ 85°C |
Surface Mount |
8-TSSOP (0.173", 4.40mm Width) |
8-TSSOP |
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2303 In Stock |
4.68000 |
Obsolete |
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 ~ 3.6V |
0.5µA @ 4.5V ~ 5.5V |
-40°C ~ 85°C |
Through Hole |
24-DIP (0.600", 15.24mm) |
24-PDIP |























