參數(shù)資料
型號(hào)： WE512K16-140G4CA
廠商： WHITE ELECTRONIC DESIGNS CORP
元件分類(lèi)： PROM
英文描述： 512K X 16 EEPROM 5V MODULE, 140 ns, CQFP68
封裝： 40 MM, HERMETIC SEALED, CERAMIC, QFP-68
文件頁(yè)數(shù)： 1/10頁(yè)
文件大小： 373K
代理商： WE512K16-140G4CA
1
White Electronic Designs Corporation (602) 437-1520 www.whiteedc.com
White Electronic Designs
WE512K16-XG4X
April 1999
Rev. 2
White Electronic Designs Corp. reserves the right to change products or specications without notice.
512Kx16 CMOS EEPROM MODULE
FEATURES
Access Time of 140, 150, 200ns
Packaging:
68 lead, 40mm Hermetic CQFP (Package 501)
Organized as 4 banks of 128Kx16
Write Endurance 10,000 Cycles
Data Retention Ten Years Minimum
Military Temperature Range
Low Power CMOS
Automatic Page Write Operation
Page Write Cycle Time: 10ms Max
Data Polling for End of Write Detection
Hardware and Software Data Protection
TTL Compatible Inputs and Outputs
5 Volt Power Supply
8 Built-in Decoupling Caps and Multiple Ground Pins for Low
Noise Operation
Weight - 20 grams typical
Block Diagram
128K x 8
I/O0-7
CS1#
128K x 8
I/O8-15
CS3#
CS2#
128K x 8
CS4#
A0-16
OE#
WE#
128K x 8
NOTE: CS1-4# are used as bank selects. During reads, only one CSx#
can be active at one time.
FIGURE 1 – PIN CONFIGURATION
Top View
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
2#
OE#
CS
4#
NC
INC
NC
GND
NC
A
0
A
1
A
2
A
3
A
4
A
5
CS
1#
GND
CS
3#
WE#
A
6
A
7
A
8
A
9
A
10
V
CC
Pin Description
I/O0-15
Data Input/Output
A0-16
Address Inputs
WE#
Write Enable
CS1-4#
Chip Selects
OE#
Output Enable
VCC
+5.0V Power
GND
Ground
NC
Not Connected
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WE512K16-140G4MA 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:512Kx16 CMOS EEPROM MODULE
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