M48T59V, M48T59 Datasheet - STMicroelectronics

M48T59V 64 Kbit (8 Kb x 8) TIMEKEEPER SRAM

The M48T59/59Y/59V TIMEKEEPER® RAM is an 8Kb x8 non-volatile static RAM and real time clock. The monolithic chip is available in two special packages to provide a highly integrated battery backed-up memory and real time clock solution. The M48T59/59Y/59V is a non-volatile pin and function equivalent.

M48T59 M48T59Y/M48T59V 64 Kbit (8Kb x8) TIMEKEEPER® SRAM PRELIMINARY DATA s INTEGRATED ULTRA LOW POWER SRAM, REAL TIME CLOCK, POWER-FAIL CONTROL CIRCUIT and BATTERY s FREQUENCY TEST OUTPUT for REAL TIME CLOCK SOFTWARE CALIBRATION s AUTOMATIC POWER-FAIL CHIP DESELECT and WRITE PROTECTION s WRITE PROTECT VOLTAGES (VPFD = Power-fail Deselect Voltage): M48T59: 4.5V ≤ VPFD ≤ 4.75V M48T59Y: 4.2V ≤ VPFD ≤ 4.5V M48T59V: 2.7V ≤ VPFD ≤ 3.0V s SELF-CONTAINED BATTERY and CRYS.

M48T59_STMicroelectronics.pdf