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參數(shù)資料
| 型號： | WED8LM32129V-35EMTA |
| 元件分類： | SRAM |
| 英文描述： | 128K X 32 MULTI DEVICE SRAM MODULE, 35 ns, CQMA68 |
| 封裝： | CERAMIC, LQFP-68 |
| 文件頁數(shù)： | 1/6頁 |
| 文件大小： | 117K |
| 代理商： | WED8LM32129V-35EMTA |
1
White Electronic Designs Corporation (602) 437-1520 www.whitedc.com
HI-RELIABILITY PRODUCT
WED8LM32129V
128Kx32 3.3V SRAM MODULE
PRELIMINARY*
s Low Power CMOS
s TTL Compatible Inputs and Outputs
s Built-in Decoupling Caps and Multiple Ground Pins for Low
Noise Operation
* This data sheet describes a product under development, not fully
characterized, and is subject to change without notice.
** Commercial and Industrial only.
FEATURES
s Access Times of 15**, 17, 20, 25, 35ns
s Low Voltage Operation
s Packaging
68 lead, 23.88mm Low Profile CQFP, 3.56mm (0.140")
s Organized as 128Kx32; User Configurable as 256Kx16 or
512Kx8
s Commercial, Industrial and Military Temperature Ranges
s 3.3 Volt Power Supply
July 1999 Rev. 0
PIN DESCRIPTION
128K x 8
8
I/O 0-7
CS1
128K x 8
8
I/O 8-15
2
128K x 8
8
I/O 16-23
3
128K x 8
8
I/O 24-31
4
A 0-16
OE
WE
CS
WE
CS
WE
CS
WE
12
3
4
BLOCK DIAGRAM
FIG. 1
PIN CONFIGURATION FOR WED8LM32129V-E
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
9 8 7 6 5 4 3 2 1 68 67 66 65 64 63 62 61
27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43
I/O0
I/O1
I/O2
I/O3
I/O4
I/O5
I/O6
I/O7
GND
I/O8
I/O9
I/O10
I/O11
I/O12
I/O13
I/O14
I/O15
V
CC
A
11
A
12
A
13
A
14
A
15
A
16
CS
1
OE
CS
2
NC
WE
2
WE
3
WE
4
NC
I/O16
I/O17
I/O18
I/O19
I/O20
I/O21
I/O22
I/O23
GND
I/O24
I/O25
I/O26
I/O27
I/O28
I/O29
I/O30
I/O31
NC
A
0
A
1
A
2
A
3
A
4
A
5
CS
3
GND
CS
4
WE
1
A
6
A
7
A
8
A
9
A
10
V
CC
TOP VIEW
I/O0-31
Data Inputs/Outputs
A0-16
Address Inputs
WE1-4
Write Enables
CS1-4
Chip Selects
OE
Output Enable
VCC
Power Supply
GND
Ground
NC
Not Connected
The WEDC 68 lead CQFP fills the
same fit and function as the
JEDEC 68 lead CQFJ or 68 PLCC.
But the CQFP has the TCE and
lead inspection advantage of the
CQFP form.
0.940"
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| WED9LAPC2B16P8BC | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:4M x 32 SDRAM / 2M x 8 SDRAM |
| WED9LAPC2C16P8BC | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:4M x 32 SDRAM / 2M x 8 SDRAM |
| WED9LAPC2C16P8BI | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:4M x 32 SDRAM / 2M x 8 SDRAM |
| WED9LAPC2C16V8BC | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:512K x 32 SSRAM / 1M x 64 SDRAM |
| WED9LAPC2C16V8BI | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:512K x 32 SSRAM / 1M x 64 SDRAM |
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