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IDT7025S/L
High-Speed 8K x 16 Dual-Port Static RAM
Description
The IDT7025 is a high-speed 8K x 16 Dual-Port Static RAM. The
IDT7025 is designed to be used as a stand-alone 128K-bit Dual-Port RAM
or as a combination MASTER/SLAVE Dual-Port RAM for 32-bit or more
word systems. Using the IDT MASTER/SLAVE Dual-Port RAM approach
in 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
Pin Configurations (1,2,3)
Military, Industrial and Commercial Temperature Ranges
feature controlled by Chip Enable ( CE ) permits 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 750mW of power. Low-power (L)
versions offer battery backup data retention capability with typical power
consumption of 500μW from a 2V battery.
The IDT7025 is packaged in a ceramic 84-pin PGA, an 84-pin
Flatpack, PLCC, and a 100-pin TQFP. Military grade product is manu-
factured in compliance with the latest revision of MIL-PRF-38535 QML,
making it ideally suited to military temperature applications demanding the
highest level of performance and reliability.
INDEX
11 10 9 8 7 6 5 4 3 2 1 84 83 82 81 80 79 78 77 76 75
11/06/01
I/O 8L
I/O 9L
I/O 10L
I/O 11L
I/O 12L
I/O 13L
GND
12
13
14
15
16
17
18
74
73
72
71
70
69
68
A 7L
A 6L
A 5L
A 4L
A 3L
A 2L
A 1L
F84-2
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
I/O 7R
19
20
21
22
23
24
25
26
27
28
29
30
31
IDT7025J or F
J84-1 (4)
(4)
84-Pin PLCC/Flatpack
Top View (5)
67
66
65
64
63
62
61
60
59
58
57
56
55
A 0L
INT L
BUSY L
GND
M/ S
BUSY R
INT R
A 0R
A 1R
A 2R
A 3R
A 4R
A 5R
I/O 8R
32 54
33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53
A 6R
2683 drw 02
Index
11/06/01
N/C
N/C
N/C
N/C
I/O 10L
I/O 11L
I/O 12L
I/O 13L
GND
1
2
3
4
5
6
7
8
9
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
75
74
73
72
71
70
69
68
67
N/C
N/C
N/C
N/C
A 5L
A 4L
A 3L
A 2L
A 1L
I/O 14L
I/O 15L
V CC
GND
I/O 0R
I/O 1R
I/O 2R
10
11
12
13
14
15
16
IDT7025PF
PN100-1 (4)
100-Pin TQFP
Top View (5)
66
65
64
63
62
61
60
A 0L
INT L
BUSY L
GND
M/ S
BUSY R
INT R
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.
F84-2 package body is approximately 1.17 in x 1.17 in x .11 in.
PN100-1 package body is approximately 14mm x 14mm x 1.4mm.
V CC
I/O 3R
I/O 4R
I/O 5R
I/O 6R
N/C
N/C
N/C
17
18
19
20
21
22
23
24
59
58
57
56
55
54
53
52
A 0R
A 1R
A 2R
A 3R
A 4R
N/C
N/C
N/C
4. This package code is used to reference the package diagram.
5. This text does not indicate orientation of the actual part-marking.
N/C
25 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
N/C
.
2683 drw 03
6.42
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