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IS61VPS25636A Datasheet, PDF (2/32 Pages) Integrated Silicon Solution, Inc – 256K x 36, 512K x 18 9 Mb SYNCHRONOUS PIPELINED, SINGLE CYCLE DESELECT STATIC RAM
IS61VPS25636A, IS61LPS25636A,IS61VPS51218A,IS61LPS51218A
BLOCK DIAGRAM
CLK
ADV
ADSC
ADSP
A
18/19
GW
BWE
BW(a-d)
x18: a,b
x36: a-d
MODE
CLK
Q0 A0
A0'
BINARY
COUNTER
CE
Q1 A1
A1'
CLR
256Kx36;
512Kx18
MEMORY ARRAY
D
Q
ADDRESS
REGISTER
CE
CLK
16/17
18/19
36,
or 18
36,
or 18
D DQ(a-d) Q
BYTE WRITE
REGISTERS
CLK
ISSI ®
CE
CE2
CE2
OE
2
D
Q
ENABLE
REGISTER
CE
CLK
D
Q
ENABLE
DELAY
REGISTER
CLK
2/4/8
INPUT
REGISTERS
CLK
OUTPUT
REGISTERS
CLK
36,
or 18
DQa - DQd
OE
Integrated Silicon Solution, Inc. — 1-800-379-4774
Rev. A
04/29/05