UPD2118 - NEC

UPD2118 16384 x 1 BIT DYNAMIC MOS RANDOM ACCESS MEMORY

NEe Microcomputers, Inc. 16384 x 1 BIT DYNAMIC MOS RANDOM ACCESS MEMORY NEe ,uPD2118 ,uPD2118-2 JI. PD2118-3 [~OO~[~~~~ffirnW DESCR IPTION ThepPD2118 is a single +5V power supply, 16384 word by 1 bit Dynamic MOS RAM. The IlPD2118 achieves high speed with low power dissipation by the use of single tran· sistor dynamic storage cell design and advanced dynam.

Features

• Single+5VSupply,±10%Tolerance
• Low Power: 138 mW Max Operating 16 mW Max Standby
• Low VDD Current Transients
• All Inputs, Including Clocks, TTL Compatible
•
• Non
·Latched Output is Three
·State
• RAS
·Only
·Refresh
• 128 Refresh Cycles Required
• Page Mode Capability
• CAS Controlled Output Allows Hidden Refresh PIN IlPD2118 IlPD2118
·2 IlPD2118
·3 ACCESS TIME 150 ns 120 ns 100 r1'S RIW CYCLE 320 ns 270 ns 235 ns RMWCYCLE 410 ns 345 ns 295 ns PIN CONFIGURATION NC DIN WE RAS AO A2 Al Vss CAS DOUT A6 A3 A4 AS NC An
·All CAS DIN DOUT WE RAS VDD, Vss PIN NAMES ADDRESS INPUTS COLUMN ADD.