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参数资料
| 型号： | WPS256K16B-20LJIG |
| 厂商： | WHITE ELECTRONIC DESIGNS CORP |
| 元件分类： | SRAM |
| 英文描述： | 256K X 16 STANDARD SRAM, 20 ns, PDSO44 |
| 封装： | ROHS COMPLIANT, PLASTIC, SOJ-44 |
| 文件页数： | 1/7页 |
| 文件大小： | 596K |
| 代理商： | WPS256K16B-20LJIG |
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White Electronic Designs Corporation (602) 437-1520 www.whiteedc.com
White Electronic Designs
WPS256K16X-XLJXG
Aug 2007
Rev. 0
White Electronic Designs Corp. reserves the right to change products or specications without notice.
256Kx16 PLASTIC SRAM
PLASTIC PLUS FEATURES
Access Times of 15, 17, 20, 25ns
Standard Commercial Off-The-Shelf (COTS)
Memory Devices for Extended Temperature Range
Industry Standard 44 Lead Plastic SOJ Package
Electrical and Speed Characteristics for:
Military Temperature (-55°C to +125°C)
Industrial Temperature (-40°C to +85°C)
Commercial Temperature (0°C to +70°C)
Burn-in and Temperature Cycling Available
Organized as 256K x 16
Center Power/Ground Pins (Revolutionary)
Data Byte Control:
Lower Byte (LB) = I/O1-8
Upper Byte (UB) = I/O9-16
5 Volt Power Supply
Low Power Dissipation CMOS
Battery Back-Up Operation
RoHS Compliant
* This product is subject to change without notice.
A0
A1
A2
A3
A4
CS#
I/O1
I/O2
I/O3
I/O4
V
CC
V
SS
I/O5
I/O6
I/O7
I/O8
WE#
A5
A6
A7
A8
A9
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
A17
A16
A15
OE#
UB#
LB#
I/O16
I/O15
I/O14
I/O13
V
SS
V
CC
I/O12
I/O11
I/O10
I/O9
NC
A14
A13
A12
A11
A10
PIN CONFIGURATION FOR WPS256K16X-XLJXG
Top View
PIN DESCRIPTION
A0-17
Address Inputs
LB#
Lower-Byte Control (I/O1-8)
UB#
Upper-Byte Control (I/O9-16)
I/0A1-16
Data Input/Output
WE#
Chip Select
CS#
Output Enable
OE#
Write Enable
VCC
+5.0V Power
VSS
Ground
NC
Not Connected
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