UPD421-2 PDF File ( Datasheet )

NEe Microcomputers, Inc. NEe fL PD421 J.L PD421-1 fL PD421-2 fL PD421-3 J.L PD421-5 8K BIT STATIC RAM DESCR IPTION The NEC MPD421 is a very high speed 8192 bit static Random Access Memory organized as 1024 words by 8 bits. Features include a power down mode controlled by the chip select input for an 80% power saving. FEATURES 1024x8-bitOrganization Very Fast Access Time: 150, 200, 250, 300, 450 ns Single +5V Power Supply Low Power Standby Mode N-Channel Silicon Gate Process Fully TTL