參數(shù)資料
型號(hào): IDT70V19L
廠商: Integrated Device Technology, Inc.
英文描述: HIGH-SPEED 3.3V 128K x 9 DUAL-PORT STATIC RAM
中文描述: 高速3.3 128K的× 9雙端口靜態(tài)RAM
文件頁(yè)數(shù): 2/17頁(yè)
文件大小: 265K
代理商: IDT70V19L
IDT70V19L
High-Speed 3.3V 128K x 9 Dual-Port Static RAM Industrial and Commercial Temperature Ranges
Description
The IDT70V19 is a high-speed 128K x 9 Dual-Port Static RAM.
The IDT70V19 is designed to be used as a stand-alone 1152K-bit
Dual-Port RAM or as a combination MASTER/SLAVE Dual-Port RAM
for 18-bit-or-more word system. Using the IDT MASTER/SLAVE Dual-
Port RAM approach in 18-bit or wider memory system applications
results in full-speed, error-free operation without the need for addi-
tional discrete logic.
This device provides two independent ports with separate control,
address, and I/O pins that permit independent, asynchronous access
2
for reads or writes to any location in memory. An automatic power
down feature controlled by the chip enables (either
CE
0
or CE
1
)
permit 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 440mW of power.
The IDT70V19 is packaged in a 100-pin Thin Quad Flatpack
(TQFP).
NOTES:
1. All Vcc pins must be connected to power supply.
2. All GND pins must be connected to ground.
3. Package body is approximately 14mm x 14mm x 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.
Pin Configurations
(1,2,3)
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 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81 80 79 78 77 76
IDT70V19PF
PN100-1
(4)
100-Pin TQFP
Top View
(5)
NC
GND
GND
OE
R
R/
W
R
SEM
R
CE
1R
CE
0R
NC
NC
GND
NC
A
15R
A
16R
A
12R
A
13R
A
14R
A
11R
A
10R
A
9R
A
8R
A
7R
NC
NC
NC
4853 drw 02
NC
NC
GND
OE
L
R/
W
L
SEM
L
CE
1L
CE
0L
NC
NC
NC
Vcc
NC
A
16L
A
15L
A
14L
A
13L
A
8L
A
9L
A
7L
NC
NC
A
12L
A
11L
A
10L
N
N
I
6
I
5
I
4
I
3
V
I
2
I
0
G
V
I
0
I
L
G
I
2
I
4
I
5
I
6
I
7
I
3
I
1
I
7
G
I
8
I
8
N
N
A
6
A
5
A
4
A
3
A
2
A
1
A
0
I
R
B
R
M
S
B
L
I
N
L
N
A
0
G
A
2
A
3
A
5
A
6
N
N
A
1
A
4
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