參數(shù)資料
型號: WED7F325ZXE5SJ-70A
廠商: WHITE ELECTRONIC DESIGNS CORP
元件分類: PROM
英文描述: 512K X 32 FLASH 5V PROM MODULE, 70 ns, PQMA68
封裝: PLASTIC, LCC-68
文件頁數(shù): 1/11頁
文件大小: 114K
代理商: WED7F325ZXE5SJ-70A
1
White Electronic Designs Corporation (508) 366-5151 www.whiteedc.com
WED7F325ZXE5SJ-C/A
512Kx32 5V FLASH MODULE
PRELIMINARY*
FEATURES
s Access Times of 60, 90ns
s Based on AMD: AM29F040B-xxEC
s Packaging
68 Lead, Plastic PLCC, 24.94 mm (0.982 inch) square
s Minimum 100,000 Write/Erase Cycles
s Sector Architecture
8 equal size sectors of 64KBytes each
Any combination of sectors can be concurrently erased.
Also supports full chip erase
s Organized as 512Kx32
s Commercial and Industrial Temperature Ranges
s 5 Volt Programming. 5V
± 10% Supply
s Low Power CMOS, 500
A Standby
s Embedded Erase and Program Algorithms
s TTL Compatible Inputs and CMOS Outputs
s Page Program Operation and Internal Program Control Time
s Built-in Decoupling Caps for Low Noise Operation
* This data sheet describes a product under development, not fully
characterized, and is subject to change without notice.
FIG. 1 PIN CONFIGURATION FOR WED7F325ZXE5SJ-C/A
PIN DESCRIPTION
DQ0-31
Data Inputs/Outputs
A0-18
Address Inputs
W
Write Enable
E0-3
Chip Selects
G
Output Enable
VCC
Power Supply
VSS
Ground
NC
Not Connected
TOP VIEW
BLOCK DIAGRAM
October 1999 Rev.
ECO#
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
DQ17
DQ18
DQ19
VSS
DQ20
DQ21
DQ22
DQ23
VCC
DQ24
DQ25
DQ26
DQ27
VSS
DQ28
DQ29
DQ30
DQ
31
A
6
A
5
A
4
A
3
A
2
A
1
A
0
V
CC
A
13
A
12
A
11
A
10
A
9
A
8
A
7
DQ
0
DQ14
DQ13
DQ12
VSS
DQ11
DQ10
DQ9
DQ8
VCC
DQ7
DQ6
DQ5
DQ4
VSS
DQ3
DQ2
DQ1
DQ
16
A
18
A
17
E
3
E
2
E
1
E
0
NC
V
CC
NC
G
W
A
16
A
15
A
14
DQ
15
512K x 8
8
DQ 0-7
E0
512K x 8
8
DQ 8-15
E1
512K x 8
8
DQ 16-23
E2
512K x 8
8
DQ 24-31
E3
A 0-18
G
W
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