參數(shù)資料
型號: 74LCX139MTR
廠商: 意法半導(dǎo)體
英文描述: LOW VOLTAGE CMOS DUAL 2 TO 4 DECODER/DEMULTIPLEXER
中文描述: 低電壓CMOS雙2日至4譯碼器/解復(fù)用器
文件頁數(shù): 2/12頁
文件大小: 279K
代理商: 74LCX139MTR
74LCX139
2/12
Figure 2: Input And Output Equivalent Circuit
Table 2: Pin Description
Table 3: Truth Table
X : Don’t Care
PIN N°
SYMBOL
NAME AND FUNCTION
1, 15
2, 3
4, 5, 6, 7
12, 11, 10, 9
14, 13
8
16
1G, 2G
1A, 1B
1Y0 to 1Y3
2Y0 to 2Y3
2A, 2B
GND
V
CC
Enable Inputs
Address Inputs
Outputs
Outputs
Address Inputs
Ground (0V)
Positive Supply Voltage
INPUTS
OUTPUTS
ENABLE
SELECT
G
B
A
Y0
Y1
Y2
Y3
H
L
L
L
L
X
L
L
H
H
X
L
H
L
H
H
L
H
H
H
H
H
L
H
H
H
H
H
L
H
H
H
H
H
L
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