參數(shù)資料
型號: IDT70V261S25PFI
廠商: INTEGRATED DEVICE TECHNOLOGY INC
元件分類: DRAM
英文描述: HIGH-SPEED 3.3V 16K x 16 DUAL-PORT STATIC RAM
中文描述: 16K X 16 DUAL-PORT SRAM, 25 ns, PQFP100
封裝: PLASTIC, TQFP-100
文件頁數(shù): 3/17頁
文件大小: 153K
代理商: IDT70V261S25PFI
6.42
IDT70V261S/L
High-Speed 16K x 16 Dual-Port Static RAM with Interrupt Industrial and Commercial Temperature Ranges
"#"$%%&'#()*
!
"#"$%&+()*
NOTE:
1.
A
0L
A
13L
A
0R
A
13R
NOTE:
1.
There are eight semaphore flags written to via I/O
0
and read fromall I/O's (I/O
0
-I/O
15
). These eight semaphores are addressed by A
0
-A
2
.
Inputs
(1)
Outputs
Mode
CE
R/
W
OE
UB
LB
SEM
I/O
8-15
I/O
0-7
H
X
X
X
X
H
High-Z
High-Z
Deselected: Power-Down
X
X
X
H
H
H
High-Z
High-Z
Both Bytes Deselected: Power-Down
L
L
X
L
H
H
DATA
IN
High-Z
Write to Upper Byte Only
L
L
X
H
L
H
High-Z
DATA
IN
Write to Lower Byte Only
L
L
X
L
L
H
DATA
IN
DATA
IN
Write to Both Bytes
L
H
L
L
H
H
DATA
OUT
High-Z
Read Upper Byte Only
L
H
L
H
L
H
High-Z
DATA
OUT
Read Lower Byte Only
L
H
L
L
L
H
DATA
OUT
DATA
OUT
Read Both Bytes
X
X
H
X
X
X
High-Z
High-Z
Outputs Disabled
3040 tbl 02
Inputs
(1)
Outputs
Mode
CE
R/
W
OE
UB
LB
SEM
I/O
8-15
I/O
0-7
H
H
L
X
X
L
DATA
OUT
DATA
OUT
Read Data in Semaphore Flag
X
H
L
H
H
L
DATA
OUT
DATA
OUT
Read Data in Semaphore Flag
H
X
X
X
L
DATA
IN
DATA
IN
Write I/O
0
into Semaphore Flag
X
X
H
H
L
DATA
IN
DATA
IN
Write I/O
0
into Semaphore Flag
L
X
X
L
X
L
____
____
Not Allowed
L
X
X
X
L
L
____
____
Not Allowed
3040 tbl 03
相關(guān)PDF資料
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