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IC41LV44052-50J Datasheet(PDF) 3 Page - Integrated Circuit Solution Inc |
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IC41LV44052-50J Datasheet(HTML) 3 Page - Integrated Circuit Solution Inc |
3 / 18 page IC41C4405x and IC41LV4405x Series Integrated Circuit Solution Inc. 3 DR013-0B 10/17/2002 FUNCTIONAL BLOCK DIAGRAM OE WE CAS CAS WE DATA I/O BUS COLUMN DECODERS SENSE AMPLIFIERS MEMORY ARRAY 4,194,304 x 4 CAS CONTROL LOGIC WE CONTROL LOGICS OE CONTROL LOGIC I/O0-I/O3 RAS A0-A10(A11) RAS CLOCK GENERATOR REFRESH COUNTER ADDRESS BUFFERS TRUTH TABLE Function RAS RAS RAS RAS RAS CAS CAS CAS CAS CAS WE WE WE WE WE OE OE OE OE OE Address tR/tC I/O Standby H H X X X High-Z Read L L H L ROW/COL DOUT Write: Word (Early Write) L L L X ROW/COL DIN Read-Write L L H →LL→H ROW/COL DOUT, DIN Hidden Refresh Read L →H→L L H L ROW/COL DOUT Write(1) L →H→L L L X ROW/COL DOUT RAS-Only Refresh L H X X ROW/NA High-Z CBR Refresh H →L L X X X High-Z Note: 1. EARLY WRITE only. |
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