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M54HC138 数据表(PDF) 2 Page - STMicroelectronics

部件名 M54HC138
功能描述  RAD-HARD 3 TO 8 LINE DECODER (INVERTING)
PDF  9 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

M54HC138 数据表(HTML) 2 Page - STMicroelectronics

  M54HC138 Datasheet HTML 1Page - STMicroelectronics M54HC138 Datasheet HTML 2Page - STMicroelectronics M54HC138 Datasheet HTML 3Page - STMicroelectronics M54HC138 Datasheet HTML 4Page - STMicroelectronics M54HC138 Datasheet HTML 5Page - STMicroelectronics M54HC138 Datasheet HTML 6Page - STMicroelectronics M54HC138 Datasheet HTML 7Page - STMicroelectronics M54HC138 Datasheet HTML 8Page - STMicroelectronics M54HC138 Datasheet HTML 9Page - STMicroelectronics  
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M54HC138
2/9
IEC LOGIC SYMBOLS
INPUT AND OUTPUT EQUIVALENT CIRCUIT
PIN DESCRIPTION
TRUTH TABLE
X : Don’t Care
PIN N°
SYMBOL
NAME AND FUNCTION
1, 2, 3
A, B, C
Address Inputs
4, 5
G2A,G2B
Enable Inputs
6
G1
Enable Input
9, 10, 11, 12,
13, 14, 15,
7
Y0 to Y7
Data Outputs
8
GND
Ground (0V)
16
VCC
Positive Supply Voltage
INPUTS
OUTPUTS
ENABLE
SELECT
G2B
G2A
G1
CBA
Y0
Y1
Y2
Y3
Y4
Y5
Y6
Y7
X
X
L
X
X
X
HHHHHHHH
X
H
XXXX
HHHHHHHH
H
XXXXX
HHHHHHHH
L
L
H
L
L
L
L
HHHHHHH
L
L
H
L
L
H
H
L
HHHHHH
L
L
H
L
H
L
HH
L
HHHHH
L
L
H
L
HH
HHH
L
HHHH
L
L
HH
L
L
HHHH
L
H
HH
L
L
HH
L
H
HHHHH
L
H
H
L
L
HHH
L
HHHHHH
L
H
L
L
HHHH
HHHHHHH
L



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