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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 |
|---|---|---|---|---|---|---|---|
 RTC-8564NB:B3 ROHS $9.88 | EPSON | IC RTC CLK/CALENDAR I2C 22SON | Tape & Reel (TR),Cut Tape (CT) | 22-SON | Surface Mount | RTC-8564NB | -40°C ~ 85°C |
 RTC-8564NB:BB ROHS $6.84 | EPSON | IC RTC CLK/CALENDAR I2C 22SON | Strip | 22-SON (6.3x4.8) | Surface Mount | - | -40°C ~ 85°C |
RTC-8564NBB0 ROHS $2.41 | EPSON | IC RTC CLK/CALENDAR I2C 22SON | Tape & Reel (TR) | 22-SON | Surface Mount | RTC-8564NB | -40°C ~ 85°C |
 RTT21064 $6.61 | Raltron Electronics | XTAL OSC RTC 32.768KHZ SMD | Tape & Reel (TR),Cut Tape (CT) | 10-SMD | Surface Mount | - | -40°C ~ 85°C |
| Micro Crystal AG | IC RTC CLK/CALENDAR I2C 10SON | Tape & Reel (TR) | 10-SON (3.7x2.5) | Surface Mount | - | -40°C ~ 85°C (TA) | |
| Micro Crystal AG | IC RTC CLK/CALENDAR I2C 10SON | Tape & Reel (TR) | 10-SON (3.7x2.5) | Surface Mount | - | -40°C ~ 85°C (TA) | |
| Micro Crystal AG | IC RTC CLK/CALENDAR SPI 10SON | Tape & Reel (TR) | 10-SON (5x3.2) | Surface Mount | C2 | -40°C ~ 85°C (TA) | |
| Micro Crystal AG | TIMING REAL TIME CLOCK | Bulk | 10-SON (5x3.2) | Surface Mount | C2 | -40°C ~ 85°C (TA) |
