CMOS 2M x 8-Bit DRAM
HM5117800BJ(1/2) IL08D
C-MOS (2,097,152-WORD x 8)-BIT DRAM
—TOP VIEW—
VCC 1 VDD I/O0 2 I/O1 3 I/O2 4 I/O3 5 WE 6 RAS 7...
Description
HM5117800BJ(1/2) IL08D
C-MOS (2,097,152-WORD x 8)-BIT DRAM
—TOP VIEW—
VCC 1 VDD I/O0 2 I/O1 3 I/O2 4 I/O3 5 WE 6 RAS 7 8 NC A10 9 A0 10 A1 11 A2 12 A3 13 14 VDD
GND 28 27 I/O7 26 I/O6 25 I/O5 24 I/O4 23 CAS 22 OE 21 A9 20 A8 19 A7 18 A6 17 A5 16 A4 GND 15
10 11 12 13 16 17 18 19 20 21 9
A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10
I/O0 I/O1 I/O2 I/O3 I/O4 I/O5 I/O6 I/O7
2 3 4 5 24 25 26 27
7 23 22 6
RAS CAS OE WE
INPUT A0 - A10 RAS CAS OE WE
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ADDRESS ROW ADDRESS STROBE COLUMN ADDRESS STROBE OUTPUT ENABLE WRITE ENABLE
INPUT/OUTPUT I/O0 - I/O7 ; DATA
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HM5117800BJ (2/2)
RAS 7 CAS 23 WE 6 OE 22
RAS CONTROL CIRCUIT
CAS CONTROL CIRCUIT
WE CONTROL CIRCUIT
OE CONTROL CIRCUIT
ROW DECODER & DRIVER
27 I/O 7
ROW DECODER & DRIVER
I/O 7 BUFFER I/O 6 BUFFER
256K MEMORY CELL ARRAY x 16 SENSE AMP.& I/O BUS x 17 256K MEMORY CELL ARRAY x 16 SENSE AMP.& I/O BUS x 17 COLUMN DECODER & DRIVER
256K MEMORY CELL ARRAY x 16 SENSE AMP.& I/O BUS x 17 256K MEMORY CELL ARRAY x 16 SENSE AMP.& I/O BUS x 17 COLUMN DECODER & DRIVER
I/O 5 BUFFER I/O 4 BUFFER
25 I/O 5
26 I/O 6
PERIPHERAL CIRCUIT
24 I/O 4
ROW DECODER & DRIVER
5 I/O 3
ROW DECODER & DRIVER
I/O 3 BUFFER I/O 2 BUFFER
256K MEMORY CELL ARRAY x 16 SENSE AMP.& I/O BUS x 17 256K MEMORY CELL ARRAY x 16 SENSE AMP.& I/O BUS x 17 COLUMN ADDRESS BUFFER
256K MEMORY CELL ARRAY x 16 SENSE AMP.& I/O BUS x 17 256K MEMORY CELL ARRAY x 16 SENSE AMP.& I/O BUS x 17 ROW ADDRE...
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