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
