參數(shù)資料
型號(hào): IDT70V27S55GI
廠商: Integrated Device Technology, Inc.
英文描述: HIGH-SPEED 3.3V 32K x 16 DUAL-PORT STATIC RAM
中文描述: 高速3.3 32K的× 16 DUAL-PORT靜態(tài)RAM
文件頁(yè)數(shù): 2/22頁(yè)
文件大?。?/td> 192K
代理商: IDT70V27S55GI
Commercial and Industrial Temperature Range
IDT 70V27S/L
High-Speed 3.3V 32K x 16 Dual-Port Static RAM
2
The IDT70V27 is a high-speed 32K x 16 Dual-Port Static RAM
designed to be used as a stand-alone 512K-bit Dual-Port RAMor as a
combination MASTER/SLAVE Dual-Port RAMfor 32-bit and wider word
systems. Using the IDT MASTER/SLAVE Dual-Port RAMapproach in 32-
bit or wider memory systemapplications results in full-speed, error-free
operation without the need for additional discrete logic.
The 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 the chip enables (
CE
0
and
CE
1
) 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 500mW of power. The IDT70V27
is packaged in a 100-pin Thin Quad Flatpack (TQFP), a 108-pin ceramc
Pin Grid Array (PGA), and a 144-pin Fine Pitch BGA (fp BGA).
!""#$
NOTES:
1. All V
CC
pins must be connected to power supply.
2. All GND pins must be connected to ground supply.
3. 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.
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
IDT70V27PF
PN100-1
(4)
100-PIN TQFP
TOP VIEW
(5)
GND
GND
I/O
15R
OE
R
R/
W
R
SEM
R
GND
CE
1R
CE
0R
NC
LB
R
NC
A
12R
A
13R
A
14R
NC
A
11R
A
10R
A
9R
I/O
10R
I/O
11R
I/O
12R
I/O
13R
I/O
14R
UB
R
3603 drw 02
I/O
15L
I/O
14L
GND
GND
OE
L
R/
W
L
SEM
L
Vcc
CE
1L
CE
0L
NC
LB
L
A
14L
NC
A
13L
NC
A
12L
A
11L
A
10L
A
9L
I/O
10L
I/O
11L
I/O
12L
I/O
13L
UB
L
I
5
I
4
I
3
I
2
I
0
I
0
G
I
2
I
4
I
5
I
6
I
7
L
I
3
I
1
I
7
N
I
8
I
9
I
8
I
9
I
6
A
7
A
8
A
7
A
6
A
5
A
4
A
3
A
2
A
1
A
0
I
R
B
R
M
S
B
L
I
L
N
A
0
A
2
A
3
A
5
A
6
A
1
A
4
A
8
G
V
I
L
V
G
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