is42s16160a1-7t Integrated Silicon Solution, Inc., is42s16160a1-7t Datasheet - Page 9

• Manufacturer Part Number: is42s16160a1-7t
• Description: 256 Mb Synchronous Dram
• Manufacturer: Integrated Silicon Solution, Inc.

IS42S83200A1
IS42S16160A1
Integrated Silicon Solution, Inc. — 1-800-379-4774
Rev. B
10/28/05
FUNCTION TRUTH TABLE (continued)
Current State
ACTIVATING
CHARGING
WRITE RE-
COVERING
ROW
PRE -
/CS
H
H
H
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
(4-bank x 8,388,608 - word x 8-bit)
(4-bank x 4,194,304 - word x 16-bit)
/RAS /CAS
X
H
H
H
X
H
H
H
X
H
H
H
L
L
L
L
L
L
L
L
L
L
L
L
X
H
H
H
H
X
H
H
H
H
X
H
H
H
H
L
L
L
L
L
L
L
L
L
/WE
X
H
X
H
H
X
H
X
H
H
X
H
X
H
H
L
L
L
L
L
L
L
L
L
X
X
X
BA, CA, A10
BA, RA
BA, A10
X
Op-Code,
Mode-Add
X
X
X
BA, CA, A10
BA, RA
BA, A10
X
Op-Code,
Mode-Add
X
X
X
BA, CA, A10
BA, RA
BA, A10
X
Op-Code,
Mode-Add
Address
READ / WRITE ILLEGAL*2
READ / WRITE ILLEGAL*2
READ / WRITE ILLEGAL*2
PRE / PREA
PRE / PREA
PRE / PREA
Command
DESEL
DESEL
DESEL
TBST
REFA
TBST
REFA
TBST
REFA
NOP
MRS
NOP
MRS
NOP
MRS
ACT
ACT
ACT
NOP (Idle after tRP)
NOP (Idle after tRP)
ILLEGAL*2
ILLEGAL*2
NOP*4 (Idle after tRP)
ILLEGAL
ILLEGAL
NOP (Row Active after tRCD)
NOP (Row Active after tRCD)
ILLEGAL*2
ILLEGAL*2
ILLEGAL*2
ILLEGAL
ILLEGAL
NOP
NOP
ILLEGAL*2
ILLEGAL*2
ILLEGAL*2
ILLEGAL
ILLEGAL
Action
ISSI
®
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