DS1254 Datasheet - Dallas Semiconducotr

DS1254 2M x 8 NV SRAM with Phantom Clock

VCC A0 *A20 DQ0 *DQ7 CE OE WE BW GND - Supply Voltage - Address Inputs - Data I/O - Chip-Enable Input - Output-Enable Input - Write-Enable Input - Battery Warning Output (Open Drain) - Ground DataSheet4U.com Note: Some revisions of this device may incorporate deviations from publi.

DS1254 Features

* Real-time clock (RTC) keeps track of hundredths of seconds, seconds, minutes, hours, days, date, months, and years with automatic leap-year compensation valid up to the year 2100 2M x 8 NV SRAM Watch function is transparent to RAM operation Automatic data protection during power loss Unlimited

DS1254_DallasSemiconducotr.pdf