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Details, datasheet, quote on part number:HM514400BZ8GS
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Datasheet text preview:
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C-MOS 4M (1,048,576WORDx4)-BIT DYNAMIC RAM
- SIDE VIEW -
HM514400BZ8GS (1/2) IL08
1 OE IN
2 CAS IN
3 I/O3
4 I/O4
5
6 I/O1
7 I/O2
8 WE IN
9 RAS IN
10 A9 IN
11 A0 IN
12 A1 IN
13 A2 IN
14 A3 IN
15
V DD (+5V) 16 A4 IN
GND
17 A5 IN
18 A6 IN
19 A7 IN
20 A8 IN
11 12 13 14 16 17 18 19 20 10
A0 A1 A2 A3 A4 A5 A6 A7 A8 A9
6 I/O1 7 I/O2 3 I/O3 4 I/O4
INPUT A0-A9 CAS OE RAS WE
; ADDRESS ; COLUMN ADDRESS STROBE ; OUTPUT ENABLE ; ROW ADDRESS STROBE ; READ/WRITE ENABLE
INPUT/OUTPUT I/O1-I/O4 ; DATA
1 OE 2 CAS 8 WE 9 RAS
HM514400BZ8GS (2/2)
11-20, 10 A0-A9
ROW ADDRESS BUFFER
ROW DECODER & PERIPHERAL CIRCUIT
256K MEMORY ROW DRIVER ARRAY MATRIX I/O BUS & COLUMN DECODER 6,7,3,4 BUFFER I/O1-I/O4
256K ROW MEMORY DRIVER ARRAY MATRIX COLUMN ADDRESS BUFFER I/O BUS & COLUMN DECODER
1 OE 2 CAS 8 WE 9 RAS
CONTROL CIRCUIT
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