參數(shù)資料
型號: IDT70V25L20PFI
廠商: INTEGRATED DEVICE TECHNOLOGY INC
元件分類: DRAM
英文描述: HIGH-SPEED 3.3V 8K x 16 DUAL-PORT STATIC RAM
中文描述: 8K X 16 DUAL-PORT SRAM, 20 ns, PQFP100
封裝: 14 X 14 MM, 1.40 MM HEIGHT, PLASTIC, TQFP-100
文件頁數(shù): 2/22頁
文件大?。?/td> 186K
代理商: IDT70V25L20PFI
6.42
IDT70V25S/L
High-Speed 8K x 16 Dual-Port Static RAM Industrial and Commercial Temperature Ranges
The IDT70V25 is a high-speed 8K x 16 Dual-Port Static RAM. The
IDT70V25 is designed to be used as a stand-alone Dual-Port RAMor
as a combination MASTER/SLAVE Dual-Port RAMfor 32-bit or wider
memory systemapplications results in full-speed, error-free operation
without the need for additional discrete logic.
This device provides two independent ports with separate control,
address, and I/O pins that permt independent, asynchronous access for
reads or writes to any location in memory. An automatic power down
feature controlled by
CE
permts the on-chip circuitry of each port to enter
a very low standby power mode.
Fabricated using IDT’s CMOS high-performance technology, these
devices typically operate on only 400mW of power.
The IDT70V25 is packaged in a ceramc 84-pin PGA, an 84-Pin
PLCC and a 100-pin Thin Quad Flatpack.
NOTES:
1. All V
CC
pins must be connected to power supply.
2. All GND pins must be connected to ground supply.
3. J84-1 package body is approximately 1.15 in x 1.15 in x .17 in.
PN100-1 package body is approximately 14mmx 14mmx 1.4mm
4. This package code is used to reference the package diagram
5. This text does not indicate orientation of the actual part marking.
2944 drw 02
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
INDEX
11 10 9
8
7
6
5
4
3
2
1 84 83
33 34 35 36 37 38 39 40 41 42 43 44 45
V
CC
GND
I/O
0R
I/O
1R
I/O
2R
V
CC
I/O
3R
I/O
4R
I/O
5R
I/O
6R
I/O
7R
I/O
8R
GND
I/O
14L
I/O
15L
I/O
8L
I/O
9L
I/O
10L
I/O
11L
I/O
12L
I/O
13L
A
7L
A
6L
A
5L
A
4L
A
3L
A
2L
A
1L
A
0L
13
12
46 47 48 49 50 51 52 53
72
71
70
69
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
73
74
82 81 80 79 78 77 76 75
BUSY
L
GND
M/
S
BUSY
R
IDT70V25J
J84-1
(4)
Top View
(5)
INT
L
INT
R
A
0R
A
1R
A
2R
A
3R
A
4R
A
5R
A
6R
I
7
I
6
I
5
I
4
I
3
I
2
V
C
R
W
L
S
L
C
L
U
L
L
L
A
1
G
I
1
I
0
A
1
A
9
A
8
O
L
I
9
I
1
I
1
I
1
I
1
I
1
G
I
1
G
A
1
A
1
A
9
A
8
A
7
O
R
R
W
R
C
R
U
R
L
R
A
1
A
1
S
R
Index
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
53
52
51
26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
100 99 98 9796 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81 80 79 78 77 76
IDT70V25PF
PN100-1
100-Pin TQFP
Top View
N/C
N/C
N/C
N/C
I/O
10L
I/O
11L
I/O
12L
I/O
13L
GND
I/O
14L
I/O
15L
V
CC
GND
I/O
0R
I/O
1R
I/O
2R
V
CC
I/O
3R
I/O
4R
I/O
5R
I/O
6R
N/C
N/C
N/C
N/C
2944 drw 03
N/C
N/C
N/C
N/C
A
5L
A
4L
A
3L
A
2L
A
1L
A
0L
INT
L
BUSY
L
GND
M/
S
BUSY
R
INT
R
A
0R
A
1R
A
2R
A
3R
A
4R
N/C
N/C
N/C
N/C
I
9
I
8
I
7
I
6
I
5
I
4
I
3
I
2
G
I
1
I
0
O
L
V
C
R
W
L
S
L
C
L
U
L
L
L
A
1
A
1
A
9
A
8
A
7
A
6
I
7
I
8
I
9
I
1
I
1
I
1
I
1
I
1
G
I
1
O
R
R
W
R
S
R
C
R
U
R
L
R
G
A
1
A
1
A
9
A
8
A
7
A
6
A
5
A
1
A
1
,
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