M48Z09中文资料意法半导体数据手册PDF规格书

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