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.
| Part Number | Manufacturer | Description | Quantity | Price | Option |
|---|---|---|---|---|---|
DS1343E-33+
|
Maxim Integrated | IC RTC CLK/CALENDAR SPI 20-TSSOP | 633 | $4.83 | |
DS1318E+
|
Maxim Integrated | IC RTC ELAPSED CNT PAR 24-TSSOP | 202 | $4.24 | |
DS1302SN+
|
Maxim Integrated | IC RTC CLK/CALENDAR SER 8-SOIC | 1586 | $4.06 | |
DS1390U-18+
|
Maxim Integrated | IC RTC CLK/CALENDAR SPI 10-USOP | 267 | $3.70 | |
DS1340Z-3+
|
Maxim Integrated | IC RTC CLK/CALENDAR I2C 8-SOIC | 352 | $3.70 | |
|
DS1338Z-18+
|
Maxim Integrated | IC RTC CLK/CALENDAR I2C 8-SOIC | 341 | $3.70 | |
RX-8581NB:B3
|
Epson | IC RTC CLK/CALENDAR I2C 22-SON | 327 | $0.00 | |
|
RX-8581NB:B3 PURE SN
|
Epson | IC RTC CLK/CALENDAR I2C 22-SON | 287 | $0.00 | |
ISL12026IBZ
|
Renesas Electronics America Inc. | IC RTC CLK/CALENDAR I2C 8-SOIC | 843 | $3.34 | |
|
RX-4045NB:AA3
|
Epson | IC RTC CLK/CALENDAR SPI 22-SON | 1116 | $4.83 |