is42s16160a-6tl Integrated Silicon Solution, Inc., is42s16160a-6tl Datasheet - Page 11

• Manufacturer Part Number: is42s16160a-6tl
• Description: 256 Mb Synchronous Dram
• Manufacturer: Integrated Silicon Solution, Inc.

IS42S83200A
IS42S16160A
Integrated Silicon Solution, Inc. — 1-800-379-4774
Rev. D
11/01/05
FUNCTION TRUTH TABLE (continued)
ABBREVIATIONS:
H=High Level, L=Low Level, X=Don't Care
NOTES:
1. CKE Low to High transition will re-enable CLK and other inputs asynchronously . A minimum setup time must be
2. Self-Refresh can be entered only from the All Banks Idle State.
3. Must be legal command.
satisfied before any command other than EXIT.
Current State
REFRESH*1
ALL BANKS
ANY STATE
listed above
other than
POWER
DOWN
IDLE*2
SELF-
(4-bank x 8,388,608 - word x 8-bit)
(4-bank x 4,194,304 - word x 16-bit)
CKE
n-1
H
H
H
H
H
H
H
H
H
H
H
L
L
L
L
L
L
L
L
L
L
L
CKE
H
H
H
H
H
H
H
H
H
n
X
L
X
L
L
L
L
L
L
L
X
L
L
/CS
X
H
X
X
X
X
X
H
X
X
X
X
X
L
L
L
L
L
L
L
L
L
/RAS /CAS
X
X
H
H
H
X
X
X
X
X
X
H
H
H
X
X
X
X
X
L
L
L
H
H
H
H
X
X
L
X
X
X
X
X
X
L
X
L
X
X
X
X
X
X
/WE
H
H
H
X
X
L
X
X
X
X
X
X
X
X
L
X
X
X
X
X
X
X
Add
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
INVALID
Exit Self-Refresh (Idle after tRC)
Exit Self-Refresh (Idle after tRC)
ILLEGAL
ILLEGAL
ILLEGAL
NOP (Maintain Self-Refresh)
INVALID
Exit Power Down to Idle
NOP (Maintain Power Down)
Refer to Function Truth Table
Enter Self-Refresh
Enter Power Down
Enter Power Down
ILLEGAL
ILLEGAL
ILLEGAL
Refer to Current State =Power Down
Refer to Function Truth Table
Begin CLK Suspend at Next Cycle*3
Exit CLK Suspend at Next Cycle*3
Maintain CLK Suspend
Action
ISSI
11
®