DS1302ZN+ 全新进口原装现货热卖，现货最低

The DS1302 trickle-charge timekeeping chip contains a real-time clock/cale

ndar and 31 bytes of static RAM. It

communicates with a microprocessor via a simple serial inte

rface. The real-time clock/ca

lendar provides seconds,

minutes, hours, day, date, month, and y

ear information. The end of the mont

h date is automatically adjusted for

months with fewer than 31 days, including corrections for

leap year. The clock operates in either the 24-hour or

12-hour format with an AM/PM indicator.