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WED7F325ZXEBSN12C PDF预览

WED7F325ZXEBSN12C

更新时间: 2024-10-01 03:07:19
品牌 Logo 应用领域
WEDC 闪存半导体存储内存集成电路
页数 文件大小 规格书
4页 164K
描述
2, 4, and 8MB, STmicro, 5.0V 4Mb Based, Uniform Sector FLASH Module Family

WED7F325ZXEBSN12C 数据手册

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WED7Fx325ZXEBSNyyC  
White Electronic Designs  
2, 4, and 8MB, STmicro, 5.0V 4Mb Based, Uniform Sector  
FLASH Module Family  
PIN CONFIGURATION  
PIN# PIN Name PIN# PIN Name PIN# PIN Name PIN# PIN Name  
FEATURES  
2, 4, and 8MB Density FLASH Modules  
Organized as; 512K x 32, 2 x 512K x 32, and 4 x 512K x 32  
Based on STmicro's M29F040B 5.0V FLASH Device  
Base Component DEVICE ID = E2h  
Base Component MANUFACTURERS ID = 20h  
Uniform Sector Architecture  
Sector Erase  
Sector Protection  
Embedded Erase Algorithm  
Embedded Program Algorithm (AMD Compatible)  
Data Polling and Toggle Bit for Detection  
100,000 Program/Erase Cycles per Block  
20 Year Data Retention  
1
2
3
4
5
6
7
8
9
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
VSS  
VCC  
NC  
G#  
W0#  
21 (Note 1) 41  
22 (Note 1) 42  
23 (Note 1) 43  
24 (Note 1) 44  
A11  
A10  
A9  
61  
62  
63  
64  
65  
66  
67  
68  
69  
70  
71  
72  
73  
74  
75  
76  
77  
78  
79  
80  
DQ9  
DQ8  
DQ7  
DQ6  
DQ5  
DQ4  
DQ3  
DQ2  
DQ1  
DQ0  
NC  
A8  
25  
26  
27  
28  
29  
30  
31  
32  
33  
34  
35  
36  
37  
38  
39  
40  
VSS  
DQ29  
DQ30  
DQ31  
W2#  
NC  
NC  
NC  
NC  
A18  
A17  
A16  
A15  
A14  
A13  
A12  
45  
46  
47  
48  
49  
50  
51  
52  
53  
54  
55  
56  
57  
58  
59  
60  
A7  
A6  
A5  
A4  
A3  
A2  
A1  
A0  
W1#  
NC  
DQ16  
DQ17  
DQ18  
DQ19  
DQ20  
DQ21  
DQ22  
DQ23  
DQ24  
DQ25  
DQ26  
DQ27  
DQ28  
VCC  
W3#  
VSS  
PD1  
PD2  
PD3  
PD4  
PD5  
PD6  
PD7  
VSS  
DQ15  
DQ14  
DQ13  
DQ12  
DQ11  
DQ10  
DESCRIPTION  
The WED7F325ZXEBSN, WED7F2325ZXEBSN, and  
WED7F4325ZXEBSN are organized as 512K x 32, 2 x  
512K x 32 and 4 x 512K x 32 respectively. The modules  
are based on 4Mb TSOP components from STmicro which  
are mounted onto an FR4 substrate.  
Note 1: Bank Enable  
The Modules are offered in Access Speeds from 70 to  
150ns with an Operation Voltage Requirement of 5.0V  
10ꢀ.  
SIMM Density  
512K x 32  
2 x 512K x 32  
4 x 512K x 32  
Pin 24  
Pin 23  
NC  
E1  
Pin 22  
Pin 21  
NC  
NC  
E0  
E0  
E0  
NC  
NC  
E2  
PRESENCE DETECT PINS; MODULE DENSITY  
E1  
E3  
Presence Select Pin  
SIMM Density  
PD1  
VSS  
PD2  
VSS  
PD3  
VSS  
PD4  
Open  
VSS  
512K x 32  
PIN NAME, DEFINITION  
2 x 512K x 32  
4 x 512K x 32  
Open  
VSS  
Open  
Open  
Open  
Open  
A0-19  
DQ0-31  
W0-3  
Address Inputs  
Common Data Input/Output  
Byte Write Enables  
Bank Enable  
VSS  
#
PIN CAPACITANCE  
E0-3  
G#  
#
2MB  
4MB  
8MB  
Output Enable  
Presence Detect  
No Connect  
Parameter  
Input Capacitance  
Input Capacitance  
Output Capacitance CIO Input/Output Data Bus  
Input Capacitance  
Input Capacitance  
Sym Pins  
CIN Address  
CIN G#  
Value Value Value  
20pF  
20pF  
5pF  
20pF  
5pF  
40pF  
40pF  
10pF  
20pF  
10pF  
80pF  
80pF  
20pF  
20pF  
20pF  
PD0-7  
NC  
VCC  
VSS  
Power 5V 10ꢀ  
Ground  
CIN E0-3  
#
CIN W0-3  
#
March 2000  
Rev. 0  
1
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com  

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