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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.
Screen Default Ranking Price By Date
| Select products | Mfr | Description | Package | Supplier Device Package | Mounting Type | Series | Operating Temperature |
|---|---|---|---|---|---|---|---|
 R2051L01-E2 $0.65 | Nisshinbo Micro Devices Inc. | IC RTC 2-WIRE 16QFN | Tape & Reel (TR) | QFN023023-16 | Surface Mount | * | - |
R2051L02-E2 $1.32 | Nisshinbo Micro Devices Inc. | IC RTC CLK/CALENDAR I2C 16QFN | Tape & Reel (TR),Cut Tape (CT) | QFN023023-16 | Surface Mount | - | -40°C ~ 85°C |
 R2051S01-E2-F $1.40 | Nisshinbo Micro Devices Inc. | IC RTC CLK/CALENDAR I2C 16SSOP | Tape & Reel (TR),Cut Tape (CT) | 16-SSOP | Surface Mount | - | -40°C ~ 85°C |
R2051S02-E2-F $0.71 | Nisshinbo Micro Devices Inc. | HIGH PRECISION I2C-BUS REAL-TIME | Tape & Reel (TR) | - | - | * | - |
R2051S03-E2-F $0.71 | Nisshinbo Micro Devices Inc. | HIGH PRECISION I2C-BUS REAL-TIME | Tape & Reel (TR) | - | - | * | - |
| Nisshinbo Micro Devices Inc. | 2 WIRE INTERFACE REAL-TIME CLOCK | Tape & Reel (TR) | - | - | * | - | |
R2061L01-E2 $1.32 | Nisshinbo Micro Devices Inc. | IC RTC CLK/CALENDAR SER 16QFN | Tape & Reel (TR),Cut Tape (CT) | QFN023023-16 | Surface Mount | - | -40°C ~ 85°C |
R2061L03-E2 $0.64 | Nisshinbo Micro Devices Inc. | IC RTC 3-WIRE 16QFN | Tape & Reel (TR) | QFN023023-16 | Surface Mount | * | - |
