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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