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參數(shù)資料
| 型號(hào)： | WE128K32-300G2TMEA |
| 廠商： | WHITE ELECTRONIC DESIGNS CORP |
| 元件分類： | PROM |
| 英文描述： | 128K X 32 EEPROM 5V MODULE, 300 ns, CQFP68 |
| 封裝： | 22.40 X 22.40 MM, 4.57 MM HEIGHT, HERMETIC SEALED, CERAMIC, LQFP-68 |
| 文件頁數(shù)： | 1/11頁 |
| 文件大小： | 161K |
| 代理商： | WE128K32-300G2TMEA |
1
White Electronic Designs Corporation Phoenix, AZ (602) 437-1520
HI-RELIABILITY PRODUCT
WE128K32-XG2TXE
128Kx32 EEPROM MODULE ADVANCED*
FEATURES
s Access Times of 150, 200, 250, 300ns
s Packaging:
68 lead, Hermetic CQFP (G2T), 22.4mm (0.880") square,
4.57mm (0.180") high (Package 509). Designed to fit JEDEC
68 lead 0.990" CQFJ footprint (Fig. 1)
s Organized as 128Kx32; User Configurable as 256Kx16 or 512Kx8
s CMOS:
Radiation Tolerant with Epitaxial Layer Die
s Write Endurance 10,000 Cycles
s Data Retention Ten Years Minimum (at +25
°C)
s Commercial, Industrial and Military Temperature Ranges
s Low Power CMOS
s Automatic Page Write Operation
s Page Write Cycle Time: 10ms Max
s Data Polling for End of Write Detection
s Hardware and Software Data Protection
s TTL Compatible Inputs and Outputs
s 5 Volt Power Supply
s Built-in Decoupling Caps and Multiple Ground Pins for Low
Noise Operation
s Weight
WE128K32-XG2TXE - 8 grams typical
* This data sheet describes a product that may or may not be under
development and is subject to change or cancellation without notice.
September 1999 Rev. 3
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
1
OE
CS
2
NC
WE
2
WE
3
WE
4
NC
I/O16
I/O17
I/O18
I/O19
I/O20
I/O21
I/O22
I/O23
GND
I/O24
I/O25
I/O26
I/O27
I/O28
I/O29
I/O30
I/O31
RESET
A
0
A
1
A
2
A
3
A
4
A
5
CS
3
GND
CS
4
WE
1
A
6
A
7
A
8
A
9
A
10
V
CC
PIN DESCRIPTION
FIG. 1 PIN CONFIGURATION FOR WE128K32-XG2TXE
BLOCK DIAGRAM
TOP VIEW
The White 68 lead G2T CQFP
fills the same fit and function as
the JEDEC 68 lead CQFJ or 68
PLCC. But the G2T has the TCE
and lead inspection advantage
of the CQFP form.
0.940"
I/O0-31 Data Inputs/Outputs
A0-16
Address Inputs
WE1-4
Write Enables
CS1-4
Chip Selects
OE
Output Enable
VCC
Power Supply
GND
Ground
RESET
Reset
NC
Not Connected
128K x 8
8
I/O 0-7
RESET
128K x 8
8
I/O 8-15
128K x 8
8
I/O 16-23
128K x 8
8
I/O 24-31
A 0-16
OE
WE
12
3
4
CS
12
3
4
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