IS61NLF25672 Datasheet, PDF (10/35 Pages) Integrated Silicon Solution, Inc – 256K x 72, 512K x 36 and 1M x 18 18Mb, FLOW THROUGH (NO WAIT) STATE BUS SRAM

IS61NLF25672/IS61NVF25672
IS61NLF51236/IS61NVF51236
IS61NLF102418/IS61NVF102418
ISSI ^®
WRITE TRUTH TABLE (x72)
Operation
WE BWa BWb BWc BWd
READ
H
X
X
X
X
WRITE BYTE a
L
L
H
H
H
WRITE BYTE b
L
H
L
H
H
WRITE BYTE c
L
H
H
L
H
WRITE BYTE d
L
H
H
H
L
WRITE BYTE e
L
H
H
H
H
WRITE BYTE f
L
H
H
H
H
WRITE BYTE g
L
H
H
H
H
WRITE BYTE h
L
H
H
H
H
WRITE ALL BYTEs
L
L
L
L
L
WRITE ABORT/NOP
L
H
H
H
H
Notes:
1. X means "Don't Care".
2. All inputs in this table must beet setup and hold time around the rising edge of CLK.
BWe
X
H
H
H
H
L
H
H
H
L
H
BWf
X
H
H
H
H
H
L
H
H
L
H
BWg
X
H
H
H
H
H
H
L
H
L
H
BWh
X
H
H
H
H
H
H
H
L
L
H
INTERLEAVED BURST ADDRESS TABLE (MODE = VDD or NC)
External Address
A1 A0
00
01
10
11
1st Burst Address
A1 A0
01
00
11
10
2nd Burst Address
A1 A0
10
11
00
01
3rd Burst Address
A1 A0
11
10
01
00
10
Integrated Silicon Solution, Inc. — www.issi.com — 1-800-379-4774
Rev. B
08/26/05