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| Datasheet File OCR Text: |
| c-mos 256 k (32,768 x 8)-bit sram ?op view M628032-20E1 ( 1/2 )
il08d 1 2 3 4 5 6 7 8 9 10 11 12 13 14 28 27 26 25 24 23 22 21 20 19 18 17 16 15 a14 in a12 in a7 in a6 in a5 in a4 in a3 in a2 in a1 in a0 in dq0 in/out dq1 in/out dq2 in/out w a13 in a8 in a9 in a11 in g in a10 in e in dq7 in/out dq6 in/out dq5 in/out dq4 in/out dq3 in/out in v dd gnd 10 9 8 7 6 5 4 3 25 24 21 23 2 26 1 a0 a1 a2 a3 a4 a5 a6 a7 a8 a9 a10 a11 a12 a13 a14 dq0 dq1 dq2 dq3 dq4 dq5 dq6 dq7 11 12 13 15 16 17 18 19 20 22 27 egw a0 - a14 dq0 - dq7 e g w ; address inputs ; data inputs/outputs ; chip enable ; output enable ; write enable mode read read write deselect e 0 0 0 1 g 1 1 0 x w 1 0 x x dq0-dq7 hi-z hi-z power active active active standby din out d 1 0 x hi-z ; high level ; low level ; don? care ; high impedance
27 20 22 w e g enable chip input data ctrl i/o circuits column decoder a7 a14 (8) c.e. row decoder c.e. a6 a0 (7) dq0 dq7 (8) memory array 28 14 v dd gnd M628032-20E1 (2/2) data inputs/ outputs |
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