is42s16800d Integrated Silicon Solution, Inc., is42s16800d Datasheet - Page 40

• Manufacturer Part Number: is42s16800d
• Description: 16meg X 8, 8meg X16 128-mbit Synchronous Dram
• Manufacturer: Integrated Silicon Solution, Inc.

IS42S81600D,
WRITE to READ
WP1 - WRITE to PRECHARGE
40
COMMAND
ADDRESS
DQM
CLK
DQ
COMMAND
ADDRESS
IS42S16800D
CLK
BANK a,
WRITE
DQ
D
T0
COL n
IN
n
WRITE
D
BANK,
COL n
IN
T0
n
D
T1
IN
NOP
n+1
t
DPL
D
NOP
IN
T1
n+1
D
T2
NOP
IN
n+2
READ
BANK,
COL b
T2
PRECHARGE
(a or all)
T3
BANK
CAS Latency - 2
Integrated Silicon Solution, Inc. — www.issi.com
NOP
T3
T4
NOP
t
RP
D
NOP
OUT
T4
b
ACTIVE
BANK a,
T5
ROW
DON'T CARE
D
OUT
NOP
T5
b+1
DON'T CARE
T6
NOP
06/18/07
Rev. D