参数资料
型号: M74HC139M1R
厂商: STMICROELECTRONICS
元件分类: 编、解码器及复用、解复用
英文描述: HC/UH SERIES, OTHER DECODER/DRIVER, INVERTED OUTPUT, PDSO16
封装: SO-16
文件页数: 2/9页
文件大小: 313K
代理商: M74HC139M1R
M74HC139
2/9
INPUT AND OUTPUT EQUIVALENT CIRCUIT
PIN DESCRIPTION
TRUTH TABLE
LOGIC DIAGRAM
This logic diagram has not be used to estimate propagation delays
PIN No
SYMBOL
NAME AND FUNCTION
1, 15
1G, 2G
Enable Inputs
2, 3
1A, 1B
Address Inputs
4, 5, 6, 7
1Y0 TO 1Y3 Outputs
12, 11, 10, 9
2Y0 TO 2Y3 Outputs
14, 13
2A, 2B
Address Inputs
8
GND
Ground (0V)
16
VCC
Positive Supply Voltage
INPUTS
OUTPUTS
SELECTED
OUTPUT
ENABLE SELECT
Y0
Y1
Y2
Y3
G
BA
H
X
H
NONE
L
LLL
H
Y0
LL
H
L
H
Y1
LH
L
H
L
H
Y2
L
HHHH
H
L
Y3
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