MCP7940M-I/P Low-Cost I2C RTCC with SRAM
Microchip RTC Gerçek Zaman Saati
The MCP7940M I2CTM compatible real-time clock/calendar (RTCC) includes SRAM and a digital trimming circuit for accuracy which is normally found in higher priced devices. Using a low-cost 32,768 kHz crystal or..