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IDT71V546S Datasheet(PDF) 11 Page - Integrated Device Technology |
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IDT71V546S Datasheet(HTML) 11 Page - Integrated Device Technology |
11 / 21 page 6.42 11 IDT71V546, 128K x 36, 3.3V Synchronous SRAM with ZBT ™ ™ ™ ™ ™ Feature, Burst Counter and Pipelined Outputs Commercial and Industrial Temperature Ranges NOTE: 1. H = High; L = Low; X = Don’t Care; Z = High Impedance. 2. CE = L is defined as CE1 = L, CE2 = L and CE2 = H. CE = H is defined as CE1 = H, CE2 = H or CE2 = L. Read Operation With Clock Enable Used(1) NOTE: 1. H = High; L = Low; X = Don’t Care; Z = High Impedance. 2. CE = L is defined as CE1 = L, CE2 = L and CE2 = H. CE = H is defined as CE1 = H, CE2 = H or CE2 = L. Write Operation with Clock Enable Used(1) Cycle Address R/W ADV/LD CE(2) CEN BWx OE I/O Comments n A0 H L L L X X X Address and Control meet setup n+1 X X X X H X X X Clock n+1 Ignored n+2 A1 H L L L XXX Clock Valid n+3 X X X X H X L Q0 Clock Ignored. Data Q0 is on the bus n+4 X X X X H X L Q0 Clock Ignored. Data Q0 is on the bus n+5 A2 H L L L X L Q0 Address A0 Read out (but trans.) n+6 A3 H L L L X L Q1 Address A1 Read out (bus trans.) n+7 A4 H L L L X L Q2 Address A2 Read out (bus trans.) 3821 tbl 16 Cycle Address R/W ADV/LD CE(2) CEN BWx OE I/O Comments n A0 L L L L L X X Address and Control meet setup n+1 X X X X H X X X Clock n+1 Ignored n+2 A1 L L LLL X X Clock Valid n+3 X X X X H XXX Clock Ignored n+4 X X X X H XXX Clock Ignored n+5 A2 L L LLL X D0 Write data D0 n+6 A3 L L LLL X D1 Write data D1 n+7 A4 L L LLL X D2 Write data D2 3821 tbl 17 |
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