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參數(shù)資料
| 型號： | M54HC238K |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 編、解碼器及復(fù)用、解復(fù)用 |
| 英文描述： | HC/UH SERIES, OTHER DECODER/DRIVER, TRUE OUTPUT, CDFP16 |
| 封裝： | CERAMIC, DFP-16 |
| 文件頁數(shù)： | 3/10頁 |
| 文件大?。?/td> | 280K |
| 代理商： | M54HC238K |
M54HC238
2/10
Figure 1: IEC Logic Symbols
Figure 2: Input And Output Equivalent Circuit
Table 1: Pin Description
Table 2: Truth Table
X : Don’t Care
PIN N°
SYMBOL
NAME AND FUNCTION
1, 2, 3
A, B, C
Data Inputs
4, 5
G2A G2B
Enable Input (Active
LOW)
6
G1
Data Enable Input (Active
HIGH)
15, 14, 13,
12, 11, 10, 9,
7
Y0 to Y7
Outputs
8
GND
Ground (0V)
16
VCC
Positive Supply Voltage
INPUTS
OUTPUTS
SELECTED
OUTPUT
ENABLE
SELECT
G2B
G2A
G1
C
B
A
Y0Y1
Y2
Y3Y4
Y5Y6
Y7
X
L
X
LLL
LL
LLL
NONE
X
H
X
LLL
LL
LLL
NONE
H
X
LLL
LL
LLL
NONE
LL
H
L
H
L
LL
L
Y0
LL
H
L
H
L
H
LL
L
Y1
L
H
L
H
L
LL
H
L
LLL
Y2
L
H
L
H
LLL
H
L
LLL
Y3
L
H
LL
LLL
L
H
LLL
Y4
L
H
L
H
LLL
LL
H
L
Y5
L
H
L
LLL
LL
L
H
L
Y6
L
H
LLL
LL
H
Y7
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