gs74117a GSI Technology, gs74117a Datasheet - Page 2

• Manufacturer Part Number: gs74117a
• Description: 4mb Asynchronous Sram
• Manufacturer: GSI Technology

Truth Table
X: “H” or “L”
Rev: 1.05a 2/2009
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.
CE
H
L
L
L
L
OE
X
X
H
X
L
WE
X
H
H
X
L
WE
OE
UB _____
CE
A
A
17
0
LB
H
H
H
X
L
L
L
L
X
Address
Control
Buffer
Input
UB
X
H
H
X
H
L
L
L
L
Decoder
2/12
Block Diagram
Row
Not Write, High Z
DQ
Not Selected
1
High Z
High Z
High Z
Read
Read
Write
Write
to DQ
Memory Array
DQ
I/O Buffer
8
Column
Decoder
1
DQ
16
Not Write, High Z
DQ
Not Selected
9
High Z
High Z
High Z
Read
Read
Write
Write
to DQ
16
© 2001, GSI Technology
V
DD
GS74117AX
ISB
Current
1
I
DD
, ISB
2