DESCRIPTION
The M48Z09,19 ZEROPOWER® RAM is an 8K x 8 non-volatile static RAM which is pin and function compatible with the MK48Z09,19.
A special 28 pin 600mil DIP CAPHAT™ package houses the M48Z09,19 silicon with a long life lithium button cell to form a highly integrated battery backed-up memory solution.

■ INTEGRATED ULTRA LOW POWER SRAM, POWER-FAIL CONTROL CIRCUIT and BATTERY
■ UNLIMITED WRITE CYCLES
■ READ CYCLE TIME EQUALS WRITE CYCLE TIME
■ AUTOMATIC POWER-FAIL CHIP DESELECT and WRITE PROTECTION
■ POWER-FAIL INTERRUPT
■ CHOICE of TWO WRITE PROTECT VOLTAGES:
    – M48Z09: 4.5V ≤ VPFD ≤ 4.75V
    – M48Z19: 4.2V ≤ VPFD ≤ 4.5V
■ SELF CONTAINED BATTERY in the CAPHAT DIP PACKAGE
■ 11 YEARS of DATA RETENTION in the ABSENCE of POWER
■ PIN and FUNCTION COMPATIBLE with the MK48Z09, 19 and JEDEC STANDARD 8K x 8 SRAMs