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WF256K16-60CI5 PDF预览

WF256K16-60CI5

更新时间: 2024-09-24 20:26:31
品牌 Logo 应用领域
WEDC 内存集成电路
页数 文件大小 规格书
11页 363K
描述
Flash Module, 256KX16, 60ns, CDIP40, 0.600 INCH, SINGLE-CAVITY, SIDE BRAZED, CERAMIC, DIP-40

WF256K16-60CI5 数据手册

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WF128K16-XCX5  
WF256K16-XCX5  
PRELIMINARY*  
White Electronic Designs  
5V FLASH MODULE  
FEATURES  
Access Times of 50, 60, 70, 90, 120 and 150ns  
5 Volt Programming; 5V 10ꢀ Supply  
40 pin Ceramic DIP (Package 303)  
Organized as 128Kx16 and 256Kx16  
Sector Architecture  
Low Power CMOS  
Embedded Erase and Program Algorithms  
TTL Compatible Inputs and CMOS Outputs  
• 8 equal size sectors of 16KBytes each per chip  
Built-in Decoupling Caps and Multiple Ground Pins  
for Low Noise Operation  
• Any combination of sectors can be concurrently  
erased.  
Page Program Operation and Internal Program  
Control Time  
• Also supports full chip erase  
* This product is under development, is not qualified or characterized and is subject to  
change without notice.  
100,000 Erase/Program Cycles Minimum (0°C to  
70°C)  
Note: Programming information available upon request.  
Data Retention, 10 Years at 125°C  
Commercial, Industrial and Military Temperature  
Ranges  
FIGURE 1 – PIN CONFIGURATION AND BLOCK DIAGRAM  
TOP VIEW  
PIN DESCRIPTION  
V
CC  
CS2#*/NC  
CS#1  
I/O15  
I/O14  
I/O13  
I/O12  
I/O11  
I/O10  
I/O9  
1
40  
A0-16  
Address Inputs  
WE#  
A16  
A15  
A14  
A13  
A12  
A11  
A10  
A9  
GND  
A8  
A7  
A6  
A5  
2
39  
38  
37  
36  
35  
34  
33  
32  
31  
30  
29  
28  
27  
26  
25  
24  
23  
22  
21  
3
4
5
6
7
8
9
I/O0-15 Data Input/Output  
CS1-2  
OE  
Chip Selects  
Output Enable  
Write Enable  
+5.0V Power  
Ground  
WE  
I/O8  
GND  
I/O7  
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
VCC  
GND  
I/O6  
I/O5  
* CS2# for 256Kx16  
and NC for 128Kx16  
I/O4  
I/O3  
I/O2  
I/O1  
I/O0  
OE#  
BLOCK DIAGRAM  
A4  
A3  
A2  
A1  
FOR WF256K16-XCX5  
I/O0-7  
I/O8-15  
A0  
WE#  
OE#  
A
0-16  
BLOCK DIAGRAM  
FOR WF128K16-XCX5  
128K x 8  
128K x 8  
128K x 8  
128K x 8  
I/O0-7  
I/O8-15  
WE#  
OE#  
A0-16  
(1)  
(1)  
CS  
CS  
1
2
#
#
128K x 8  
128K x 8  
NOTE: 1. CS1# and CS2# are used to select the lower and upper  
128Kx16 of the device. CS1# and CS2# must not be  
enabled at the same time.  
CS1#  
October 1998  
1
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com  

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