參數(shù)資料
型號: M74HC193B1R
廠商: 意法半導體
元件分類: 通用總線功能
英文描述: SYNCHRONOUS UP/DOWN DECADE(,BINARY) COUNTER
中文描述: 同步向上/向下十年(,二進制)計數(shù)器
文件頁數(shù): 2/15頁
文件大?。?/td> 312K
代理商: M74HC193B1R
INPUT AND OUTPUT EQUIVALENT CIRCUIT
TRUTH TABLE
COUNT UP
COUNT DOWN
H
H
LOAD
H
H
H
H
L
X
CLEAR
L
L
L
L
L
H
FUNCTION
COUNT UP
NO COUNT
COUNT DOWN
NO COUNT
PRESET
RESET
H
H
X
X
X
X
X: Don’t Care
PIN DESCRIPTION
PIN No
3, 2, 6, 7
4
5
11
SYMBOL
QA to QD
CP
D
CP
U
LOAD
NAME AND FUNCTION
Flip-Flop Outputs
Count Down Clock Input
Count Up Clock Input
Asynchronous Parallel
Load Input (Active LOW)
Count Up (Carry)
Output (Active LOW)
Count Down (Borrow)
Output (Active LOW)
Asynchronous Reset
Input (Active HIGH)
Data Inputs
Ground (0V)
Positive Supply Voltage
12
CARRY
13
BORROW
14
CLEAR
15, 1, 10, 9
8
16
DA to DD
GND
V
CC
IEC LOGIC SYMBOL
(HC193)
IEC LOGIC SYMBOL
(HC191)
M54/M74HC192/193
2/15
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相關代理商/技術參數(shù)
參數(shù)描述
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