MEMORY DATABOOK - Al Kossow's Bitsavers

OKI semiconductor ~~---------------------------------------------------------------------~~~MSM271000AS131072 x 8 BIT UV ERASABLE ELECTRICALLY PROGRAMMABLEREAD-ONLY MEMORYGENERAL DESCRIPTIONThe MSM271 000 is a 131072 words x 8 bit ultraviolet erasable and electrically programmableread-only memory. Users can freely prepare the memory content, which can be easily changed, sothe MSM271 000 is ideal for microprocessor programs, etc. The MSM271 000 is manufactured by theN channel double silicon gate MOS technology and is contained in the 32 pin package.FEATURES• +5V single power supply• 131072 words x 8 bit configuration• Access time:MAX120 ns (MSM271 000-12)MAX150 ns (MSM271 000-15)MAX200 ns (MSM271 000-20)• Power consumption:MAX525 mW (during operation)MAX184 mW (during stand-by)• Perfect static operation• INPUT/OUTPUTTTLlevel(three state output)PIN CONFIGURATIONFUNCTIONAL BLOCK DIAGRAMA" NC000, 0,A'3AsAe+---VccA11PGMOEA2 AlO CEPGMCE+---Vpp~A, CEAo 0,06OEOE""""--GNOAoA, - - - -- A16ThiS specification may be changed without notification389