參數(shù)資料
型號(hào): M74HC193M1R
廠商: STMICROELECTRONICS
元件分類: 計(jì)數(shù)器
英文描述: HC/UH SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT BIDIRECTIONAL BINARY COUNTER, PDSO16
封裝: SO-16
文件頁(yè)數(shù): 7/14頁(yè)
文件大?。?/td> 561K
代理商: M74HC193M1R
M74HC193
2/14
INPUT AND OUTPUT EQUIVALENT CIRCUIT
PIN DESCRIPTION
TRUTH TABLE
X : Don’t Care
PIN No
SYMBOL
NAME AND FUNCTION
3, 2, 6, 7
QA to QD
Flip-Flop Outputs
4
CPD
Count Down Clock Input
5
CPU
Count Up Clock Input
11
LOAD
Asynchronous Parallel
Load Input (Active LOW)
12
CARRY
Count Up (Carry)
Output (Active LOW)
13
BORROW
Count Down (Borrow)
Output (Active LOW)
14
CLEAR
Asynchronous Reset
Input (Active High)
15, 1, 10, 9
A to D
Data Inputs
8
GND
Ground (0V)
16
Vcc
Positive Supply Voltage
COUNT UP
COUNT DOWN
LOAD
CLEAR
FUNCTION
H
L
COUNT UP
H
L
NO COUNT
H
L
COUNT DOWN
H
L
NO COUNT
X
L
PRESET
X
H
RESET
相關(guān)PDF資料
PDF描述
M74HC193M1 HC/UH SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT BIDIRECTIONAL BINARY COUNTER, PDSO16
M54HC193F1 HC/UH SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT BIDIRECTIONAL BINARY COUNTER, CDIP16
M54HC192F1 HC/UH SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT BIDIRECTIONAL DECADE COUNTER, CDIP16
M74HC194B1R HC/UH SERIES, 4-BIT BIDIRECTIONAL PARALLEL IN PARALLEL OUT SHIFT REGISTER, TRUE OUTPUT, PDIP16
M74HC194F1 HC/UH SERIES, 4-BIT BIDIRECTIONAL PARALLEL IN PARALLEL OUT SHIFT REGISTER, TRUE OUTPUT, CDIP16
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