NM93C56EM

The NM93C56EM is a 2048-bit CMOS electrically erasable memory divided into 125 16bit register.They are fabricated using national semiconductor's floating-gate CMOS process for high speed and low power.

Features of the NM93C56EM are:(1)typical active current of 400 A;25A standby current typical;(2);reliable CMOS floating gate technology;(3)5V only operation in all modes;(4)self timed programming cycle;(5)device status signal during programming mode;(6)sequential register read;(7)over 40 year data retation;(8)designed for 100000 write cycles.

The absolute maximum ratings of the NM93C56EM can be summarized as:(1):the symbol is TA,the parameter is ambient storage temperature,the value is -65 to +150,the unit is ;(2):the symbol is VI/O,the parameter is all input or output voltages with respect to ground,the value is +6.5 to -0.3,the unit is V;(3):the symbol is TL,the parameter is lead temperature (soldering,10 sec),the value is +300,the unit is ;(4):the parameter is ESD rating,the value is 2000,the unit is V;(5):the symbol is Topr,the parameter is ambient operating temperature,the value is -40 to +85,the unit is ;(6):the symbol is VCC,the parameter is positive power supply,the value is 4.5 to 5.5,the unit is V.