DS12CR887, DS12R885, DS12R887 RTC With Constant-Voltage Trickle Charger

The DS12R885 is a functional drop-in replacement for the DS12885 Real-Time Clock (RTC). The device provides an RTC calendar, one time-of-day alarm, three maskable interrupts with a common interrupt output, a programmable square wave, and 114 bytes of battery-backed static RAM. The date at the end of the month is automatically adjusted for months with fewer than 31 days, including correction for leap years. It also operates in either 24-hour or 12-hour format with an AM/PM indicator. A precision temperature-compensated circuit monitors the status of VCC. If a primary power failure is detected, the device automatically switches to a backup supply. The VBACKUP pin supports a rechargeable battery or a super cap and includes an integrated, always enabled trickle charger. The DS12R885 is accessed through a multiplexed byte-wide Interface which supports both Intel and Motorola modes. The DS12CR887 and DS12R887 integrate the DS12R885 die with a crystal and battery.
By Maxim Integrated Products
DS12CR887 's PackagesDS12CR887 's pdf datasheet

DS12CR887 Pinout, Pinouts
DS12CR887 pinout,Pin out
This is one package pinout of DS12CR887,If you need more pinouts please download DS12CR887's pdf datasheet.

DS12CR887 Application circuits
DS12CR887 circuits
This is one application circuit of DS12CR887,If you need more circuits,please download DS12CR887's pdf datasheet.

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