DS1302 DIP-8 Realtidsklocka med trickle charger

Trickle Charge Timekeeping Chip

In addition to the basic timekeeping functions of the DS1202, the DS1302 has the additional features of dual-power pins for primary and back-up power supplies, programmable trickle charger for VCC1, and seven additional bytes of scratchpad memory.

* Real-time clock (RTC) counts seconds, minutes hours, date of the month, month, day of the week, and year with leap-year compensation valid up to 2100

* 31-byte, battery-backed, nonvolatile (NV) RAM for data storage

* Serial I/O for minimum pin count

* 2.0V to 5.5V full operation

* Uses less than 300nA at 2.0V

* Burst mode for reading/writing successive addresses in clock/RAM

* Simple 3-wire interface

* TTL-compatible (VCC = 5V)

* DS1202 compatible

* Underwriters Laboratory (UL) recognized