IS45S16800B Datasheet, PDF (53/59 Pages) Integrated Silicon Solution, Inc – 16Meg x 8, 8Meg x16 128-MBIT SYNCHRONOUS DRAM

IS45S81600B, IS45S16800B
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ISSI ^®
T0
CLK
tCKS tCKH
CKE
tCMS tCMH
COMMAND _ACTIVE
DQM/DQML
DQMH
A0-A9, A11
A10
BA0, BA1
tAS tAH
ROW
tAS tAH
ROW
tAS tAH
BANK
DQ
T1
T2
T3
tCK
tCL tCH
NOP
READ
tCMS tCMH
NOP
COLUMN m⁽²⁾
DISABLE AUTO PRECHARGE
BANK
tAC
tRCD
tRAS
tRC
tLZ
CAS Latency
T4
NOP
tAC
DOUT m
tOH
T5
T6
NOP
PRECHARGE
ALL BANKS
SINGLE BANK
BANK
tAC
DOUT m+1
tOH
tAC
DOUT m+2
tOH
T7
T8
NOP
ACTIVE
ROW
ROW
tHZ
DOUT m+3
tOH
tRP
BANK
DON'T CARE
UNDEFINED
Notes:
1) CAS latency = 2, Burst Length = 4
2) X16: A9 and A11 = "Don't Care"
X8: A11 = "Don't Care"
Integrated Silicon Solution, Inc. — www.issi.com — 1-800-379-4774
53
Rev. A
04/14/06