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參數(shù)資料
| 型號： | IDT7140 |
| 廠商： | Integrated Device Technology, Inc. |
| 英文描述： | High Speed 1K X 8 Dual-Port Static RAM(高速1K×8雙端口靜態(tài)RAM) |
| 中文描述： | 高速每1000 × 8雙端口靜態(tài)存儲器（高速每1000 × 8雙端口靜態(tài)RAM）的 |
| 文件頁數(shù)： | 2/18頁 |
| 文件大?。?/td> | 214K |
| 代理商： | IDT7140 |
IDT7130SA/LA AND IDT7140SA/LA
HIGH SPEED 1K X 8 DUAL-PORT STATIC SRAM
MILITARY, INDUSTRIAL AND COMMERCIAL TEMPERATURE RANGES
6.01
2
DESCRIPTION
The IDT7130/IDT7140 are high-speed 1K x 8 Dual-Port
Static RAMs. The IDT7130 is designed to be used as a
stand-alone 8-bit Dual-Port RAM or as a "MASTER" Dual-
Port RAM together with the IDT7140 "SLAVE" Dual-Port
in 16-bit-or-more word width systems. Using the IDT MAS-
TER/SLAVE Dual-Port RAM approach in 16-or-more-bit
memory system applications results in full-speed, error-free
operation without the need for additional discrete logic.
Both devices provide two independent ports with sepa-
rate 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
CE
, permits the on chip circuitry of each port to enter a very
low standby power mode.
Fabricated using IDT's CMOS high-performance tech-
nology, these devices typically operate on only 550mW of
power. Low-power (LA) versions offer battery backup data
retention capability, with each Dual-Port typically consum-
ing 200
μ
W from a 2V battery.
The IDT7130/IDT7140 devices are packaged in 48-pin
sidebraze or plastic DIPs, LCCs, flatpacks, 52-pin PLCC,
and 64-pin TQFP and STQFP. Military grade products are
manufactured in compliance with the latest revision of
MIL-STD-883, Class B, making it ideally suited to military
temperature applications demanding the highest level of
performance and reliability.
PIN CONFIGURATIONS
(1,2)
NOTES:
1. All V
CC
pins must be connected to power supply.
2. All GND pins must be connected to ground supply.
3. This text does not indicate orientation of the actual part-marking.
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
IDT7130/
40
P48-1
&
C48-2
DIP
TOP
VIEW
(3)
2689 drw 02
GND
I/O
6R
I/O
5R
I/O
4R
I/O
3R
I/O
2R
I/O
1R
I/O
0R
I/O
7L
I/O
6L
I/O
5L
I/O
4L
CE
R
R/W
R
BUSY
R
INT
R
OE
R
A
0R
A
1R
A
2R
A
3R
A
4R
A
5R
A
6R
A
7R
A
8R
A
9R
I/O
7R
CE
L
R/W
L
OE
L
A
0L
A
1L
A
2L
A
3L
A
4L
A
5L
A
6L
A
7L
A
8L
A
9L
I/O
0L
I/O
1L
I/O
2L
INT
L
BUSY
L
V
CC
I/O
3L
IDT7130/40
L48-1
&
F48-1
48-PIN LCC/ FLATPACK
TOP VIEW
(3)
INDEX
6 5
4 3
2
1
48 47 46 45 44 43
19 20 21 22 23
25 26 27 28 29 30
24
42
41
40
39
38
37
36
35
34
33
32
31
7
8
9
10
11
12
13
14
15
16
17
18
2689 drw 03
G
C
R
C
L
O
L
A
0
O
R
A
0R
A
1R
A
2R
A
3R
A
4R
A
5R
A
6R
A
7R
A
8R
A
9R
I/O
7R
I/O
6R
I
3
A
1L
A
2L
A
3L
A
4L
A
5L
A
6L
A
7L
A
8L
A
9L
I/O
0L
I/O
1L
I/O
2L
I
L
B
L
R
L
R
R
B
R
I
R
V
C
I
5
I
4
I
3
I
2
I
1
I
0
I
7
I
6
I
5
I
4
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