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Part Number MB81C4256-10
Manufacturers ETC
Logo ETC
Description CMOS 1M-Bit DRAM
Datasheet MB81C4256-10 DatasheetMB81C4256-10 Datasheet (PDF)

  MB81C4256-10   MB81C4256-10
w c . C-MOS 1M (262,144x4)-BIT DYNAMIC RAM U 4 t e e h S a at .D w w - TOP VIEW DQ1 1 DQ2 2 GND 20 19 DQ4 18 DQ3 17 CAS 16 OE 15 A8 14 A7 13 A6 12 A5 11 A4 WE 3 RAS 4 5 N.C. A0 6 A1 7 A2 8 A3 9 V DD 10 (+5V) om MB81C4256-10 IL08 6 7 8 9 11 12 13 14 15 A0 A1 A2 A3 A4 A5 A6 A7 A8 1 DQ1 2 DQ2 18 DQ3 19 DQ4 4 17 3 16 A0-8 CAS DQ1-4 OE RAS WE RAS CAS 4 17 MODE CONTROL SERIAL ACCESS COUNTER w 6-9,11-15 A0-A8 w w t a .D CLOCK GEN. No1 S a e h U 4 t e SUBSTRATE BIAS GEN. WRITE CLOCK GEN. ; ADDRESS INPUTS ; COLUMN ADDRESS STROBE ; DATA INPUTS/OUTPUTS ; OUTPUT ENABLE ; ROW ADDRESS STROBE ; WRITE ENABLE .c m o RAS CAS WE OE CLOCK GEN. No2 3 WE ADDRESS BUFFER DATA INPUT BUFFER COLUMN DECODER SENSE AMP. I/O GATE 1,2,18,19 DQ1-DQ4 PREDECODER ROW DECODER 1,048,576-BIT MEMORY CELL DATA OUTPUT BUFFER REFRESH ADDRESS COUNTER w w w .D a t a e h S 4 t e U m o .c 16 OE .



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