IDT7025S/L
High-Speed 8K x 16 Dual-Port Static RAM
Military, Industrial and Commercial Temperature Ranges
featurecontrolledbyChipEnable(CE)permitstheon-chipcircuitryofeach
port to enter a very low standby power mode.
FabricatedusingIDT’sCMOShigh-performancetechnology,these
devices typically operate on only 750mW of power. Low-power (L)
versionsofferbatterybackupdataretentioncapabilitywithtypical power
consumptionof500µWfroma2Vbattery.
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-
facturedincompliancewiththelatestrevisionofMIL-PRF-38535QML,
makingitideallysuitedtomilitarytemperatureapplicationsdemandingthe
highestlevelofperformanceandreliability.
Description
The IDT7025 is a high-speed 8K x 16 Dual-Port Static RAM. The
IDT7025isdesignedtobeusedasastand-alone128K-bitDual-PortRAM
orasacombinationMASTER/SLAVEDual-PortRAMfor32-bitormore
wordsystems.UsingtheIDTMASTER/SLAVEDual-PortRAMapproach
in32-bitorwidermemorysystemapplicationsresultsinfull-speed,error-
freeoperationwithouttheneedforadditionaldiscretelogic.
This device provides two independent ports with separate control,
address,andI/Opinsthatpermitindependent,asynchronousaccessfor
reads or writes to any location in memory. An automatic power down
PinConfigurations(1,2,3)
INDEX
11/06/01
11 10
9
8
7
6
5
4
3
2
1 84 83 82 81 80 79 78 77 76 75
74
A
A
A
A
A
A
A
A
7L
6L
5L
4L
3L
2L
1L
0L
I/O8L
I/O9L
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
73
72
71
70
69
68
I/O10L
I/O11L
I/O12L
I/O13L
GND
IDT7025J or F
J84-1(4)
I/O14L
I/O15L
67
66
65
64
63
62
61
60
59
58
57
56
55
54
INT
L
F84-2(4)
BUSY
GND
M/S
L
V
CC
84-Pin PLCC/Flatpack
Top View(5)
GND
I/O0R
I/O1R
I/O2R
BUSY
R
INT
R
V
CC
A
A
A
A
A
A
A
0R
I/O3R
I/O4R
I/O5R
I/O6R
I/O7R
I/O8R
1R
2R
3R
4R
5R
6R
33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53
2683 drw 02
Index
11/06/01
100 9998 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81 80 79 78 77 76
1
N/C
N/C
N/C
N/C
N/C
N/C
N/C
75
2
74
73
72
71
70
69
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
53
52
51
3
4
N/C
5
I/O10L
I/O11L
I/O12L
I/O13L
GND
I/O14L
I/O15L
A5L
A4L
A3L
A2L
A1L
A0L
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
IDT7025PF
PN100-1(4)
INTL
VCC
BUSY
GND
M/S
BUSY
INTR
L
100-Pin TQFP
Top View(5)
GND
I/O0R
I/O1R
I/O2R
R
A
A
A
A
A
0R
VCC
NOTES:
1R
2R
3R
4R
I/O3R
I/O4R
I/O5R
I/O6R
N/C
N/C
N/C
N/C
1. All VCC 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.
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
N/C
N/C
N/C
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
.
2683 drw 03
6.422
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