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Description The device is CMOS Synchronous Dynamic RAM organized as 2,097,152 - word x 8-bit x 4-bank. it is fabricated with an advanced submicron CMOS technology and designed to operate from a singly 3.3V only power supply. It is packaged in JEDEC standard pinout and standard plastic TSOP package. Features • Single 3.3V (±0.3V) power supply • High speed clock cycle time : 7/8ns • Fully synchronous with all signals referenced to a positive clock edge • Programmable CAS Iatency (2,3) • Programmable burst length (1,2,4,8,& Full page) • Programmable wrap sequence (Sequential/Interleave) • Automatic precharge and controlled precharge • Auto refresh and self refresh modes • Quad Internal banks controlled by A12 & A13 (Bank select) • Each Bank can operate simultaneously and independently • LVTTL compatible I/O interface • Random column access in every cycle • X8 organization • Input/Output controlled by DQM • 4,096 refresh cycles/64ms • Burst termination by burst stop and precharge command • Burst read/single write option
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