is45s32200e Integrated Silicon Solution, Inc., is45s32200e Datasheet - Page 38

• Manufacturer Part Number: is45s32200e
• Description: 512k Bits X 32 Bits X 4 Banks 64-mbit Synchronous Dynamic Ram
• Manufacturer: Integrated Silicon Solution, Inc.

IS45S32200E
38
INITIALIZE AND LOAD MODE REGISTER
DQM0-DQM3
COMMAND
BA0, BA1
A0-A9
CKE
CLK
A10
DQ
Power-up: V
and CLK stable
T = 100µs Min.
t
t
T
CKS
CMH
NOP
T0
t
t
CKH
CMS
t
CK
CC
SINGLE BANK
ALL BANKS
t
CMH
PRECHARGE
ALL BANKS
T1
Precharge
all banks
t
CMS
t
RP
t
CMH
REFRESH
Tn+1
AUTO
AUTO REFRESH
t
CMS
t
CH
NOP
t
RFC
t
CL
REFRESH
To+1
AUTO
AUTO REFRESH
Integrated Silicon Solution, Inc. — www.issi.com
NOP
t
RFC
t
t
Load MODE
REGISTER
AS
AS
CODE
CODE
Tp+1
Program MODE REGISTER
t
t
AH
AH
Tp+2
t
NOP
MRD
DON'T CARE
ACTIVE
BANK
ROW
ROW
Tp+3
02/07/08
Rev. A