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NM93C13N-NM93C14N
256-/1024-Bit Serial EEPROM
TL/D/11291
NM93C13/C14
256-/1024-Bit
Serial
EEPROM
September 1994
NM93C13/C14
256-/1024-Bit Serial EEPROM
General Description
The NM93C13/C14is 256/1024, respectively, bitsof
CMOS electrically erasable memory dividedinto 16/6416-
bit registers. Theyare fabricated using National Semicon-
ductor’s floating-gate CMOS processfor high speed, high
reliabilityandlow power.The NM93C13/C14is availablein 8-pinSO packageto save board space.
The serialinterfaceofthe NM93C13/C14is MICROWIRETM
compatiblefor simple interfaceto standard microcontrollers
and microprocessors. There are7 instructions: Read,
Erase/Write Enable, Erase, EraseAll, Write, WriteAll,and
Erase/Write Disable.
All programming cyclesare completely self-timedfor simpli-
fiedoperation.The ready/busy status isavailable ontheDO
pinto indicatethe completionofa programming cycle.
Features Typical active current400mA; Typical standby currentmA Reliable CMOS floating gate technology 4.5Vto 5.5V operationinall modes MICROWIRE compatible serialI/O Self-timed programming cycle Device status indication during programming mode15 years data retention Endurance: 100,000 read/write cycles minimum Packages available: 8-pin DIP, 8-pinSO
Block Diagram
TL/D/11291–1
TRI-STATEÉ isaregistered trademarkof National SemiconductorCorporation.
MICROWIRETMis atrademarkof National SemiconductorCorporation.
C1995National SemiconductorCorporation RRD-B30M65/PrintedinU.S.A.
