IS61QDB22M36 Datasheet, PDF (19/27 Pages) Integrated Silicon Solution, Inc – 72 Mb (2M x 36 & 4M x 18) QUAD (Burst of 2) Synchronous SRAMs

372 Mb (2M x 36 & 4M x 18)
QUAD (Burst of 2) Synchronous SRAMs
ISSI ^®
Read, Write, and NOP Timing Diagram
Read Write Read Write Read Write NOP Write NOP
K
K
SA
A1
A2
A3
A4
A5
A6
A7
W
BWx
R
D(Data In)
D2-1 D2-2 D4-1
D4-2 D6-1
D6-2 D7-1
D7-2
Q(Data Out)
Q1-1 Q1-2 Q3-1 Q3-2 Q5-1 Q5-2
C
C
CQ
CQ
Notes: 1. If address A1=A2, data Q1-1=D2-1, data Q1-2=D2-2.
Write data is forwarded immediately as read results.
Don’t Care
Undefined
Integrated Silicon Solution, Inc. — 1-800-379-4774
19
Rev. A
05/14/09