參數(shù)資料
型號(hào): IDT7008L25PF
廠商: INTEGRATED DEVICE TECHNOLOGY INC
元件分類(lèi): DRAM
英文描述: HIGH-SPEED 64K x 8 DUAL-PORT STATIC RAM
中文描述: 64K X 8 DUAL-PORT SRAM, 25 ns, PQFP100
封裝: 14 X 14 MM, 1.40 MM HEIGHT, TQFP-100
文件頁(yè)數(shù): 5/19頁(yè)
文件大?。?/td> 167K
代理商: IDT7008L25PF
6.42
IDT7008S/L
High-Speed 64K x 8 Dual-Port Static RAM Military, Industrial and Commercial Temperature Ranges
$%$&'(%)&
$%$&''(#*+,-.
NOTES:
1. A
0L
A
15L
A
0R
A
15R.
2. Refer to Chip Enable Truth Table.
$%$&'''(/%+,-.
NOTES:
1. There are eight semaphore flags written to via I/O
0
and read fromall the I/Os (I/O
0
-I/O
7
). These eight semaphore flags are addressed by A
0
-A
2
.
2. Refer to Chip Enable Truth Table.
NOTES:
1. Chip Enable references are shown above with the actual
CE
0
and CE
1
levels,
CE
is a reference only.
CE
CE
0
CE
1
Mode
L
V
IL
V
IH
Port Selected (TTL Active)
< 0.2V
>V
CC
-0.2V
Port Selected (CMOS Active)
H
V
IH
X
Port Deselected (TTL Inactive)
X
V
IL
Port Deselected (TTL Inactive)
>V
CC
-0.2V
X
Port Deselected (CMOS Inactive)
X
<0.2V
Port Deselected (CMOS Inactive)
3198 tbl 02
Inputs
(1)
Outputs
Mode
CE
(2)
R/
W
OE
SEM
I/O
0-7
H
X
X
H
High-Z
Deselected: Power-Down
L
L
X
H
DATA
IN
Write to memory
L
H
L
H
DATA
OUT
Read memory
X
X
H
X
High-Z
Outputs Disabled
3198 tbl 03
Inputs
Outputs
Mode
CE
(2)
R/
W
OE
SEM
I/O
0-7
H
H
L
L
DATA
OUT
Read Semaphore Flag Data Out
H
X
L
DATA
IN
Write I/O
0
into Semaphore Flag
L
X
X
L
______
Not Allowed
3198 tbl 04
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