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参数资料
| 型号： | 7140LA55CGI |
| 厂商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分类： | SRAM |
| 英文描述： | 1K X 8 DUAL-PORT SRAM, 55 ns, CDIP48 |
| 封装： | 0.620 X 2.430 INCH, 0.150 INCH HEIGHT, GREEN, SIDE BRAZED, DIP-48 |
| 文件页数： | 12/19页 |
| 文件大小： | 149K |
| 代理商： | 7140LA55CGI |
IDT7130SA/LA and IDT7140SA/LA
High-Speed 1K x 8 Dual-Port Static SRAM
Military, Industrial and Commercial Temperature Ranges
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 MASTER/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 separate con-
trol, 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 consuming 200W 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 compli-
ance 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.
Pin Configurations(1,2,3)
NOTES:
1. All VCC pins must be connected to power supply.
2. All GND pins must be connected to ground supply.
3. P48-1 package body is approximately .55 in x .61 in x .19 in.
C48-2 package body is approximately .62 in x 2.43 in x .15 in.
L48-1 package body is approximately .57 in x .57 in x .68 in.
F48-1 package body is approximately .75 in x .75 in x .11 in.
4. This package code is used to reference the package diagram.
5. 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
148
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
Por C
P48-1(4)
&
C48-2(4)
48-Pin
DIP
Top View(5)
2689 drw 02
GND
I/O6R
I/O5R
I/O4R
I/O3R
I/O2R
I/O1R
I/O0R
I/O7L
I/O6L
I/O5L
I/O4L
CER
CEL
OEL
A0L
INTL
BUSYL
R/
WL
R/
WR
BUSYR
INTR
VCC
OER
A0R
A1R
A2R
A3R
A4R
A5R
A6R
A7R
A8R
A9R
I/O7R
I/O3L
A1L
A2L
A3L
A4L
A5L
A6L
A7L
A8L
A9L
I/O0L
I/O1L
I/O2L
,
01/08/02
IND
01/0
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| 7140LA55JI | 功能描述:IC SRAM 8KBIT 52PLCC 制造商:idt, integrated device technology inc 系列:* 零件状态:最後搶購 标准包装:24 |
| 7140LA55L48B | 制造商:Integrated Device Technology Inc 功能描述:SRAM ASYNC DUAL 5V 8KBIT 1KX8 55NS 48PIN LCC - Bulk |
| 7140LA55P | 功能描述:静态随机存取存储器 RoHS:否 制造商:Cypress Semiconductor 存储容量:16 Mbit 组织:1 M x 16 访问时间:55 ns 电源电压-最大:3.6 V 电源电压-最小:2.2 V 最大工作电流:22 uA 最大工作温度:+ 85 C 最小工作温度:- 40 C 安装风格:SMD/SMT 封装 / 箱体:TSOP-48 封装:Tray |
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