參數(shù)資料
型號: M74HC4538M1R
廠商: STMICROELECTRONICS
元件分類: 諧振器
英文描述: HC/UH SERIES, DUAL MONOSTABLE MULTIVIBRATOR, PDSO16
封裝: SO-16
文件頁數(shù): 4/11頁
文件大?。?/td> 380K
代理商: M74HC4538M1R
M74HC4538
2/11
INPUT AND OUTPUT EQUIVALENT CIRCUIT
PIN DESCRIPTION
TRUTH TABLE
X : Don’t Care
SYSTEM DIAGRAM
This logic diagram has not be used to estimate propagation delays
PIN No
SYMBOL
NAME AND FUNCTION
1, 15
1T1, 2T1
External Capacitor Con-
nections
2, 14
1T2, 2T2
External Resistor/
Capacitor Connections
3, 13
1CD, 2CD
Direct Reset Inputs
(Active Low)
4, 12
1A, 2A
Trigger Inputs (LOW to
HIGH, Edge-Triggered)
5, 11
1B, 2B
Trigger Inputs (HIGH to
LOW, Edge Triggered)
6, 10
Q1, Q2
Pulse Outputs
7, 9
Q1, Q2
Complementary Pulse
Outputs
8
GND
Ground (0V)
16
Vcc
Positive Supply Voltage
INPUTS
OUTPUTS
NOTE
AB
CD
QQ
H
OUTPUT ENABLE
X
L
H
L
H
INHIBIT
H
X
H
L
H
INHIBIT
L
H
OUTPUT ENABLE
X
L
H
INHIBIT
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