CMOS 4M DRAM
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C-MOS 4194304 WORD·8-BIT DYNAMIC RAM — TOP VIEW —
9
HM5117400AS7GS (1/2) IL22
1 I/O1 2...
Description
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C-MOS 4194304 WORD·8-BIT DYNAMIC RAM — TOP VIEW —
9
HM5117400AS7GS (1/2) IL22
1 I/O1 2 I/O2 3 WE IN 4 RAS IN 5
VDD
(+5V)
GND 26 25 I/O4 24 I/O3 23 CAS IN 22 OE IN 21 A9 IN
A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10
I/O1 I/O2 I/O3 I/O4
2 3 24 25
10 11 12 15 16 17 18 19 21 8
6 NC
22 23 4
OE CAS WE RAS
A10 IN 8 A0 IN 9 A1 IN 10 A2 IN 11 A3 IN 12 13 VDD (+5V)
19 A8 IN 18 A7 IN 17 A6 IN
IN
5
16 A5 www.DataSheet4U.com 15 A4 IN GND 14
INPUT A0 - A10 CAS OE RAS WE
; ADDRESS ; COLUMN ADDRESS STROBE ; OUTPUT ENABLE ; ROW ADDRESS STROBE ; READ/WRITE ENABLE
INPUT/OUTPUT I/O1 - I/O4 ; DATA
DataSheet 4 U .com
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HM5117400AS7GS (2/2)
RAS RAS CONT. CIRCUIT CAS CAS CONT. CIRCUIT WE WE CONT. CIRCUIT OE OE CONT. CIRCUIT
256K MEMORY CELL ARRAY
SENSE AMP. & I/O BUS
256K MEMORY CELL ARRAY
SENSE AMP. & I/O BUS
256K MEMORY CELL ARRAY 256K MEMORY CELL ARRAY
SENSE AMP. & I/O BUS
256K MEMORY CELL ARRAY 256K MEMORY CELL ARRAY
SENSE AMP. & I/O BUS
256K MEMORY CELL ARRAY 256K MEMORY CELL ARRAY
SENSE AMP. & I/O BUS
256K MEMORY CELL ARRAY 256K MEMORY CELL ARRAY
SENSE AMP. & I/O BUS
I/O 4 BUFFER
I/O 4
256K MEMORY CELL ARRAY 256K MEMORY CELL ARRAY
SENSE AMP. & I/O BUS
256K MEMORY CELL ARRAY 256K MEMORY CELL ARRAY ROW DECODER & DRIVER
SENSE AMP. & I/O BUS
256K MEMORY CELL ARRAY 256K MEMORY CELL ARRAY
SENSE AMP. & I/O BUS
256K MEMORY CELL ARRAY 256K MEMORY CELL ARRAY
SENSE AMP. & I/O BUS
256K ME...
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