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参数资料
| 型号： | 70V34S20PFGI |
| 厂商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分类： | SRAM |
| 英文描述： | 4K X 18 DUAL-PORT SRAM, 20 ns, PQFP100 |
| 封装： | 14 X 14 MM, 1.40 MM HEIGHT, GREEN, PLASTIC, TQFP-100 |
| 文件页数： | 12/25页 |
| 文件大小： | 211K |
| 代理商： | 70V34S20PFGI |
6.42
IDT70V35/34S/L
(IDT70V25/24S/L)
High-Speed 3.3V 8/4K x 18 (8/4K x 16) Dual-Port Static RAM
Industrial and Commercial Temperature Ranges
2
Description
The IDT70V35/34 (IDT70V25/24) is a high-speed 8/4K x 18 (8/4K
x16) Dual-Port Static RAM. The IDT70V35/34 (IDT70V25/24) is de-
signed to be used as a stand-alone Dual-Port RAM or as a combination
MASTER/SLAVE Dual-Port RAM for 36-bit (32-bit) or wider memory
system applications 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 permit independent, asynchronous access for
reads or writes to any location in memory. An automatic power down
feature controlled by
CEpermitstheon-chipcircuitryofeachporttoenter
a very low standby power mode.
Fabricated using IDT’s CMOS high-performance technology, these
devices typically operate on only 430mW (IDT70V35/34) and 400mW
(IDT70V25/24) of power.
The IDT70V35/34 (IDT70V25/24) is packaged in a plastic 100-pin
Thin Quad Flatpack. The IDT70V25/24 is packaged in a ceramic 84-pin
PGA and 84-Pin PLCC.
Pin Configurations(1,2,3,4)
NOTES:
1.
A12 is a NC for IDT70V34.
2. All VDD pins must be connected to power supply.
3. All VSS pins must be connected to ground.
4. PN100-1 package body is approximately 14mm x 14mm x 1.4mm.
5. This package code is used to reference the package diagram.
6. This text does not indicate orientation of the actual part marking.
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 959493 9291 90 89 8887 8685 84 83 828180 79 78 77 76
IDT70V35/34PF
PN100-1(5)
100-Pin TQFP
Top View(6)
N/C
I/O8L
I/O17L
I/O11L
I/O12L
I/O13L
I/O14L
Vss
I/O15L
I/O16L
VDD
Vss
I/O0R
I/O1R
I/O2R
I/O3R
VDD
I/O4R
I/O5R
I/O6R
I/O8R
I/O17R
N/C
5624 drw 02
N/C
A5L
A4L
A3L
A2L
A1L
A0L
INTL
Vss
M/
S
BUSYR
INTR
A0R
N/C
BUSYL
A1R
A2R
A3R
A4R
I/
O
1
0
L
I/
O
9
L
I/
O
7
L
I/
O
6
L
I/
O
5
L
I/
O
4
L
I/
O
3
L
I/
O
2
L
V
s
I/
O
1
L
I/
O
0
L
O
E
L
V
D
R
/W
L
S
E
M
L
C
E
L
U
B
L
B
L
A
1
L
A
1
0
L
A
9
L
A
8
L
A
7
L
A
6
L
I/
O
7
R
I/
O
9
R
I/
O
1
0
R
I/
O
1
R
I/
O
1
2
R
I/
O
1
3
R
I/
O
1
4
R
I/
O
1
5
R
V
s
I/
O
1
6
R
O
E
R
/W
R
S
E
M
R
C
E
R
U
B
R
L
B
R
V
s
A
1
R
A
1
0
R
A
9
R
A
8
R
A
7
R
A
6
R
A
5
R
A
1
2
L
(1
)
A
1
2
R
(1
)
,
06/24/04
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