is42s16400b1 Integrated Silicon Solution, Inc., is42s16400b1 Datasheet - Page 35

• Manufacturer Part Number: is42s16400b1
• Description: 1 Meg Bits X 16 Bits X 4 Banks 64-mbit Synchronous Dynamic Ram - Integrated Silicon Solution, Inc
• Manufacturer: Integrated Silicon Solution, Inc.

IS42S16400B1
INITIALIZE AND LOAD MODE REGISTER
Integrated Silicon Solution, Inc. — www.issi.com —
Rev. A
12/09/03
DQML, DQMH
COMMAND
A0-A9, A11
BA0, BA1
DQM/
CKE
CLK
A10
DQ
Power-up: VDD
and CLK stable
T = 100µs Min.
t
t
T
CKS
CMH
NOP
T0
t
t
CKH
CMS
t
CK
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
1-800-379-4774
t
CL
REFRESH
To+1
AUTO
AUTO REFRESH
NOP
t
RFC
t
t
Load MODE
AS
AS
REGISTER
CODE
CODE
Tp+1
Program MODE REGISTER
t
t
AH
AH
t
Tp+2
NOP
MRD
DON'T CARE
ISSI
ACTIVE
BANK
ROW
ROW
Tp+3
(2, 3, 4)
35
®