IS61QDPB42M36 Datasheet, PDF (20/28 Pages) Integrated Silicon Solution, Inc – 72 Mb (2M x 36 & 4M x 18) QUADP (Burst of 4) Synchronous SRAMs

72 Mb (2M x 36 & 4M x 18)
QUADP (Burst of 4) Synchronous SRAMs
Read, Write, and NOP Timing Diagram
Read
Write
Read
Write
NOP
NOP
K
K
SA
A1
BW_X
R
W
D (Data-In)
D (Data-Out)
CQ
CQ
A2
A3
A4
B2-1 B2-2
B2-3
B2-4
B4-1
B4-2 B4-3
B4-4
D2-1
D2-2 D2-3
Q1-1
D2-4 D4-1
Q1-2 Q1-3
D4-2
Q1-4
D4-3
Q3-1
D4-4
Q3-2
Q3-3
Q3-4
Note: If address A3=A2, data Q3-1=D2-1, data Q3-2=D2-2, data Q3-3=D2-3, and
data Q3-4=D2-4, then write data is forwarded immediately as read results.
Don’t Care
Undefined
20
Integrated Silicon Solution, Inc.
Rev. A
05/14/09