IS42S32160B-6BL ISSI [Integrated Silicon Solution, Inc], IS42S32160B-6BL Datasheet - Page 20
IS42S32160B-6BL
Manufacturer Part Number
IS42S32160B-6BL
Description
16M x 32 512Mb SYNCHRONOUS DRAM
Manufacturer
ISSI [Integrated Silicon Solution, Inc]
Datasheet
1.IS42S32160B-6BL.pdf
(60 pages)
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IS42S32160B, IS45S32160B
INITIALIzE AND LOAD MODE REGISTER
20
A0-A9, A11, A12
Notes:
1. If CS is High at clock High time, all commands applied are NOP.
2. The Mode register may be loaded prior to the Auto-Refresh cycles if desired.
3. JEDEC and PC100 specify three clocks.
4. Outputs are guaranteed High-Z after the command is issued.
DQM0-DQM3
COMMAND
BA0, BA1
CKE
CLK
A10
DQ
Power-up: V
and CLK stable
T = 100µs Min.
t
t
CKS
CMH
NOP
T
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
(1)
RC
t
CL
REFRESH
To+1
AUTO
AUTO REFRESH
NOP
t
RC
t
t
t
Load MODE
REGISTER
AS
AS
AS
CODE
CODE
CODE
Tp+1
Integrated Silicon Solution, Inc. - www.issi.com
Program MODE REGISTER
t
t
t
AH
AH
AH
Tp+2
t
NOP
MRD
DON'T CARE
ACTIVE
BANK
ROW
ROW
Tp+3
(2, 3, 4)
Rev. 00B
07/01/09
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