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S71PL254 Datasheet(PDF) 124 Page - SPANSION |
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S71PL254 Datasheet(HTML) 124 Page - SPANSION |
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124 / 196 page  124 pSRAM Type 4 pSRAM_Type04_18A0 August 30, 2004 Advance I n f o rmation Truth Table Table 37. Truth Table CE#1 CE2 WE# OE# BHE# BLE# Inputs / Outputs Mode Power HX X X X X High-Z Deselect/Power-Down Standby (ISB) XL X X X X High-Z XX X X H H High-Z L H H L L L Data Out (I/O0–I/O15) Read (Upper Byte and Lower Byte) Active (ICC) LH H L H L Data Out (I/O0 –I/O7); I/O8–I/O15 in High Z Read (Upper Byte only) LH H L LH Data Out (I/O8–I/O15); I/O0–I/O7 in High Z Read (Lower Byte only) L H H H L L High-Z Output Disabled L H H H H L High-Z Output Disabled LH H H LH High-Z Output Disabled L H L X L L Data In (I/O0–I/O15) Write (Upper Byte and Lower Byte) LH L X H L Data In (I/O0–I/O7); I/O8–I/O15 in High Z Write (Lower Byte Only) LH L X LH Data In (I/O8–I/O15); I/O0 –I/O7 in High Z Write (Upper Byte Only) |
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