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Real Time Clocks
Results: 73
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Compare | Mfr Part # | Quantity Available | Price | Series | Package | Product Status | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
21,731 In Stock | 1 : $2.16000 Cut Tape (CT) 2,500 : $0.92976 Tape & Reel (TR) | - | Tape & Reel (TR) Cut Tape (CT) Digi-Reel® | Active | Clock/Calendar | Alarm, Leap Year, Square Wave Output | - | HH:MM:SS (12/24 hr) | YY-MM-DD | I²C, 2-Wire Serial | 3V ~ 5.5V | 1.3V ~ 3.7V | 250µA @ 3V ~ 5.5V | -40°C ~ 85°C (TA) | Surface Mount | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC | ||
3,310 In Stock | 1 : $1.87000 Cut Tape (CT) 2,500 : $0.80549 Tape & Reel (TR) | Tape & Reel (TR) Cut Tape (CT) Digi-Reel® | Active | Clock/Calendar | Alarm | - | HH:MM:SS | YY-MM-DD-dd | I²C, SMBus | 1.3V ~ 5.5V | 3V | 1.5µA @ 5V | -40°C ~ 125°C | Surface Mount | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC | |||
9,387 In Stock | 1 : $2.30000 Cut Tape (CT) 2,500 : $0.98730 Tape & Reel (TR) | - | Tape & Reel (TR) Cut Tape (CT) Digi-Reel® | Active | Clock/Calendar | Leap Year, Square Wave Output, Y2K | 56B | HH:MM:SS (24 hr) | YY-MM-DD-dd | I²C, 2-Wire Serial | 1.2V ~ 5.5V | 2V ~ 5.5V | 70µA @ 1.5V ~ 5.5V | -40°C ~ 85°C | Surface Mount | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC | ||
20,274 In Stock 45,000 Factory | 1 : $2.61000 Cut Tape (CT) 3,000 : $1.12078 Tape & Reel (TR) | - | Tape & Reel (TR) Cut Tape (CT) Digi-Reel® | Active | 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 | - | 0.85µA ~ 0.9µA @ 3V ~ 5V | -40°C ~ 85°C (TA) | Surface Mount | 8-WFDFN Exposed Pad | 8-TDFN (2x3) | ||
2,400 In Stock | 1 : $1.38000 Cut Tape (CT) 2,500 : $0.59146 Tape & Reel (TR) | - | Tape & Reel (TR) Cut Tape (CT) Digi-Reel® | Active | 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-SOIC (0.154", 3.90mm Width) | 8-SOIC | ||
1,500 In Stock | 1 : $1.69000 Cut Tape (CT) 2,500 : $0.72494 Tape & Reel (TR) | - | Tape & Reel (TR) Cut Tape (CT) | Active | 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 | Surface Mount | 8-TSSOP (0.173", 4.40mm Width) | 8-TSSOP | ||
2,382 In Stock | 1 : $1.93000 Cut Tape (CT) 2,500 : $0.82850 Tape & Reel (TR) | Tape & Reel (TR) Cut Tape (CT) Digi-Reel® | Active | Clock/Calendar | Alarm | - | HH:MM:SS | YY-MM-DD-dd | I²C, SMBus | 1.3V ~ 5.5V | 3V | 1.5µA @ 5V | -40°C ~ 125°C | Surface Mount | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC | |||
941 In Stock 12,500 Factory | 1 : $2.22000 Cut Tape (CT) 2,500 : $0.95278 Tape & Reel (TR) | - | Tape & Reel (TR) Cut Tape (CT) Digi-Reel® | Active | 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 | Surface Mount | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC | ||
0 In Stock | 1 : $2.64000 Cut Tape (CT) 2,500 : $1.13458 Tape & Reel (TR) | - | Tape & Reel (TR) Cut Tape (CT) Digi-Reel® | Last Time Buy | Clock/Calendar | Alarm, Leap Year, Square Wave Output | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I²C, 2-Wire Serial | 1.3V ~ 5.5V | - | 0.65µA ~ 0.7µA @ 3V ~ 5V | -40°C ~ 85°C | Surface Mount | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC | ||
0 In Stock | 1 : $1.92000 Cut Tape (CT) 2,500 : $0.82160 Tape & Reel (TR) | - | Tape & Reel (TR) Cut Tape (CT) Digi-Reel® | Active | Clock/Calendar | Leap Year, NVSRAM, Square Wave Output | 56B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I²C, 2-Wire Serial | 2.7V ~ 5.5V | 1.5V ~ 3.7V | 125µA @ 2.7V ~ 5.5V | -40°C ~ 85°C | Surface Mount | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC | ||
0 In Stock 10,000 Factory | 1 : $2.33000 Cut Tape (CT) 2,500 : $0.99880 Tape & Reel (TR) | - | Tape & Reel (TR) Cut Tape (CT) Digi-Reel® | Active | Clock/Calendar | Alarm, Leap Year, NVSRAM, Square Wave Output | 56B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I²C, 2-Wire Serial | 4.5V ~ 5.5V | 2V ~ 3.5V | 1.5mA @ 4.5V ~ 5.5V | -40°C ~ 85°C | Surface Mount | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC | ||
0 In Stock | 1 : $2.61000 Cut Tape (CT) 3,000 : $1.12078 Tape & Reel (TR) | - | Tape & Reel (TR) Cut Tape (CT) Digi-Reel® | Active | Clock/Calendar | Leap Year, NVSRAM, Square Wave Output | 56B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I²C, 2-Wire Serial | 2.7V ~ 5.5V | 1.5V ~ 3.7V | 125µA @ 2.7V ~ 5.5V | -40°C ~ 85°C | Surface Mount | 8-WFDFN Exposed Pad | 8-TDFN (2x3) | ||
0 In Stock | 1 : $2.44000 Cut Tape (CT) 2,500 : $1.17141 Tape & Reel (TR) | - | Tape & Reel (TR) Cut Tape (CT) Digi-Reel® | Active | Clock/Calendar | Leap Year, NVSRAM, Square Wave Output | 56B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I²C, 2-Wire Serial | 2.7V ~ 5.5V | 1.5V ~ 3.7V | 125µA @ 2.7V ~ 5.5V | -40°C ~ 85°C | Surface Mount | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) | 8-MSOP | ||
24 In Stock | 1 : $2.04000 Cut Tape (CT) 2,500 : $0.87453 Tape & Reel (TR) | - | Tape & Reel (TR) Cut Tape (CT) Digi-Reel® | Active | Clock/Calendar | Alarm, Leap Year, Square Wave Output | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I²C, 2-Wire Serial | 1.8V ~ 5.5V | - | 0.8µA @ 1.3V ~ 1.8V | -40°C ~ 85°C | Surface Mount | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) | 8-MSOP | ||
0 In Stock | 1 : $2.58000 Cut Tape (CT) 2,500 : $1.23815 Tape & Reel (TR) | - | Tape & Reel (TR) Cut Tape (CT) Digi-Reel® | Active | Clock/Calendar | Alarm, Leap Year, Square Wave Output | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I²C, 2-Wire Serial | 1.3V ~ 5.5V | - | 0.65µA ~ 0.7µA @ 3V ~ 5V | -40°C ~ 85°C | Surface Mount | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) | 8-MSOP | ||
0 In Stock | 2,500 : $0.66740 Tape & Reel (TR) | - | Tape & Reel (TR) | Active | 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-TSSOP, 8-MSOP (0.118", 3.00mm Width) | 8-MSOP | ||
0 In Stock | 2,500 : $0.74565 Tape & Reel (TR) | - | Tape & Reel (TR) | Active | 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-TSSOP (0.173", 4.40mm Width) | 8-TSSOP | ||
0 In Stock 32,500 Factory | 2,500 : $0.76176 Tape & Reel (TR) | - | Tape & Reel (TR) | Active | Clock/Calendar | Alarm, Leap Year, Square Wave Output | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I²C, 2-Wire Serial | 1.8V ~ 5.5V | - | 0.8µA @ 1.3V ~ 1.8V | -40°C ~ 85°C (TA) | Surface Mount | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC | ||
0 In Stock | 2,500 : $0.80549 Tape & Reel (TR) | - | Tape & Reel (TR) | Active | Clock/Calendar | Alarm, Leap Year, Square Wave Output | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I²C, 2-Wire Serial | 1.35V ~ 5.5V | - | 0.6µA ~ 0.7µA @ 3V ~ 5V | -40°C ~ 85°C | Surface Mount | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC | ||
0 In Stock | 2,500 : $0.82850 Tape & Reel (TR) | - | Tape & Reel (TR) | Active | 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 | 1.2V ~ 5.5V | 25.3µA ~ 81µA @ 2V ~ 5V | -40°C ~ 85°C (TA) | Surface Mount | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) | 8-MSOP | ||
 | 0 In Stock | 2,500 : $0.87913 Tape & Reel (TR) | - | Tape & Reel (TR) | Active | Clock/Calendar | Alarm, Leap Year, Square Wave Output | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I²C, 2-Wire Serial | 1.8V ~ 5.5V | - | 0.8µA @ 1.2V ~ 1.8V | -40°C ~ 85°C (TA) | Surface Mount | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) | 8-MSOP | |
0 In Stock | 3,000 : $0.90445 Tape & Reel (TR) | - | Tape & Reel (TR) | Active | Clock/Calendar | Alarm, Leap Year, Square Wave Output | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I²C, 2-Wire Serial | 1.8V ~ 5.5V | - | 0.8µA @ 1.3V ~ 1.8V | -40°C ~ 85°C | Surface Mount | 8-WFDFN Exposed Pad | 8-TDFN (2x3) | ||
 | 0 In Stock | 3,000 : $0.90445 Tape & Reel (TR) | - | Tape & Reel (TR) | Active | Clock/Calendar | Alarm, Leap Year, Square Wave Output | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I²C, 2-Wire Serial | 1.8V ~ 5.5V | - | 0.8µA @ 1.2V ~ 1.8V | -40°C ~ 85°C (TA) | Surface Mount | 8-WFDFN Exposed Pad | 8-TDFN (2x3) | |
0 In Stock | 2,500 : $0.93206 Tape & Reel (TR) | - | Tape & Reel (TR) | Active | Clock/Calendar | Alarm, Leap Year, Square Wave Output | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I²C, 2-Wire Serial | 1.8V ~ 5.5V | - | 0.8µA @ 1.3V ~ 1.8V | -40°C ~ 85°C (TA) | Surface Mount | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC | ||
0 In Stock | 2,500 : $0.93666 Tape & Reel (TR) | - | Tape & Reel (TR) | Active | Clock/Calendar | Alarm, Leap Year, Square Wave Output | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I²C, 2-Wire Serial | 1.3V ~ 5.5V | - | 0.85µA ~ 0.9µA @ 3V ~ 5V | -40°C ~ 85°C (TA) | Surface Mount | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC |
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Real Time Clocks
Real Time Clocks (RTCs) provide time and/or date information in almost any electronic device which needs to keep accurate time. The clock types are binary counter, clock/calendar/supervisor, elapsed time counter, phantom time chip, portable system controller, temperature recorder, time event recorder, and timer clock peripheral. They contain memory sizes ranging from 2 B to 2 MB and have interface options of I2C, Parallel, Serial, SPI, 1-Wire, 2-Wire, 3-Wire, and 4-Wire.
