參數(shù)資料
型號: IS42S16128-8T
廠商: INTEGRATED SILICON SOLUTION INC
元件分類: DRAM
英文描述: Chassis Mount and Din Rail Filters RoHS Compliant: Yes
中文描述: 256K X 16 SYNCHRONOUS DRAM, 8 ns, PDSO50
封裝: 0.400 INCH, TSOP2-50
文件頁數(shù): 17/75頁
文件大?。?/td> 638K
代理商: IS42S16128-8T
IS42S16128
ISSI
Integrated Silicon Solution, Inc. — 1-800-379-4774
Rev. A
03/13/00
17
TWO BANKS OPERATION COMMAND TRUTH TABLE
(1,2)
Previous State Next State
A7-A0
BANK 0 BANK 1
Operation
CS
RAS CAS
WE
A9
A8
BANK 0 BANK 1
DESL
NOP
BST
H
L
L
X
H
H
X
H
H
X
H
L
X
X
X
X
X
X
X
X
X
Any
Any
R/W/A
I
I/A
I/A
I/A
R/W
I/A
R/W
R/W/A
A
R/W/A
A
I/A
R/W
I/A
R/W
R/W/A
A
R/W/A
A
Any
I
R/W/A/I
I/A
I/A
R/W/A/I
R/W/A/I
I/A
I
I
Any
Any
I/A
I/A
R/W/A
I
R/W/A
A
R/W/A
A
I/A
R/W
I/A
R/W
R/W/A
A
R/W/A
A
I/A
R/W
I/A
R/W
I
Any
I/A
R/W/A/I
R/W/A/I
I/A
I/A
R/W/A/I
I
I
Any
Any
A
I
I/A
I/A
I/A
A
I/A
A
RP
RP
R
R
I/A
A
I/A
A
WP
WP
W
W
Any
A
I
I
I/A
R/W/A/I
I
I
I
I
Any
Any
I/A
I/A
A
I
RP
RP
R
R
I/A
A
I/A
A
WP
WP
W
W
I/A
A
I/A
A
A
Any
I
I
I
I
I/A
R/W/A/I
I
I
READ/READA
L
H
L
H
H
H
H
H
L
L
L
L
H
H
H
H
L
L
L
L
H
L
X
X
H
H
L
L
X
H
H
L
L
H
H
L
L
H
H
L
L
H
H
L
L
RA
RA
H
H
L
L
L
L
X
CA
CA
CA
CA
CA
CA
CA
CA
CA
CA
CA
CA
CA
CA
CA
CA
RA
RA
X
X
X
X
X
X
X
WRIT/WRITA
L
H
L
L
ACT
L
L
H
H
PRE/PALL
L
L
H
L
REF
MRS
L
L
L
L
L
L
H
L
OPCODE
Notes:
1. H: HIGH level input, L: LOW level input, X: HIGH or LOW level input, RA: Row Address, CA: Column Address
2. The device state symbols are interpreted as follows:
I
A
R
W
RP
WP
Any
Idle (inactive state)
Row Active State
Read
Write
Read With Auto-Precharge
Write With Auto-Precharge
Any State
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IS42S16160A-6T 制造商:ISSI 制造商全稱:Integrated Silicon Solution, Inc 功能描述:256 Mb Synchronous DRAM
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