IS42LS16800A ICSI [Integrated Circuit Solution Inc], IS42LS16800A Datasheet - Page 25

• Manufacturer Part Number: IS42LS16800A
• Description: 16Meg x 8, 8Meg x16 & 4Meg x 32 128-MBIT SYNCHRONOUS DRAM
• Manufacturer: ICSI [Integrated Circuit Solution Inc]

DQML, DQMH
IS42S81600A, IS42S16800A, IS42S32400A
IS42LS81600A, IS42LS16800A, IS42LS32400A
INITIALIZE AND LOAD MODE REGISTER
Integrated Silicon Solution, Inc. — www.issi.com —
ADVANCED INFORMATION Rev. 00A
06/01/02
COMMAND
A0-A9, A11
BA0, BA1
DQM/
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
1-800-379-4774
t
CL
REFRESH
To+1
AUTO
AUTO REFRESH
NOP
t
RFC
t
t
Load MODE
REGISTER
AS
AS
CODE
CODE
Tp+1
Program MODE REGISTER
t
t
AH
AH
t
Tp+2
NOP
MRD
DON'T CARE
ACTIVE
BANK
ROW
ROW
Tp+3
ISSI
(2, 3, 4)
25
®