Real time clock module(4-bit REAL TIME CLOCK MODULE)
Description
Real time clock module 4-bit REAL TIME CLOCK MODULE
RTC-72421/ 72423
Built-in crystal unit allows adjustment-free efficient operation. ALE input terminal available for 8048, 8051, and 8085 series. 12/24 h clock switchover function and automatic leap year setting. Interrupt masking. 30 second adjustment function. Low current consumption and featu...
