IS42S32400E-6B ISSI [Integrated Silicon Solution, Inc], IS42S32400E-6B Datasheet - Page 42

• Manufacturer Part Number: IS42S32400E-6B
• Description: 4M x 32 128Mb SYNCHRONOUS DRAM
• Manufacturer: ISSI [Integrated Silicon Solution, Inc]

IS42S32400E, IS45S32400E
WRITE - DQM OPERATION
Notes:
1) Burst Length = 4
2) x32: A8, A9, A11 = "Don't Care"
42
DQM0 - DQM3
COMMAND
A0-A9, A11
BA0, BA1
CKE
CLK
A10
DQ
t
t
CKS
CMS
t
t
t
ACTIVE
AS
AS
AS
BANK
ROW
ROW
T0
t
t
CKH
t
t
t
CMH
AH
AH
AH
t
CK
t
NOP
RCD
T1
DISABLE AUTO PRECHARGE
ENABLE AUTO PRECHARGE
t
t
CMS
CL
t
COLUMN m
DS
WRITE
D
BANK
IN
T2
t
m
CMH
t
t
DH
CH
(2)
NOP
T3
t
D
DS
NOP
IN
T4
m+
t
DH
2
t
DS
D
NOP
IN
T5
Integrated Silicon Solution, Inc. - www.issi.com
m+
t
DH
3
NOP
T6
DON'T CARE
NOP
T7
05/18/09
Rev. D