IS42S81600D-7TL INTEGRATED SILICON SOLUTION (ISSI), IS42S81600D-7TL Datasheet - Page 21
![IC, SDRAM, 128MBIT, 143MHZ, TSOP-54](/photos/19/4/190473/4612938_sml.jpg)
IS42S81600D-7TL
Manufacturer Part Number
IS42S81600D-7TL
Description
IC, SDRAM, 128MBIT, 143MHZ, TSOP-54
Manufacturer
INTEGRATED SILICON SOLUTION (ISSI)
Datasheet
1.IS42S16800D-7TL.pdf
(62 pages)
Specifications of IS42S81600D-7TL
Memory Type
DRAM - Sychronous
Memory Configuration
16M X 8
Access Time
7ns
Page Size
128Mbit
Ic Interface Type
Parallel
Memory Case Style
TSOP
No. Of Pins
54
Rohs Compliant
Yes
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IS42S81600D,
INITIALIZE AND LOAD MODE REGISTER
Integrated Silicon Solution, Inc. — www.issi.com
Rev. E
07/28/08
DQML, DQMH
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.
COMMAND
A0-A9, A11
BA0, BA1
DQM/
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
IS42S16800D
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
RC
(1)
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
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)
21
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