參數(shù)資料
型號(hào): M74HC590RM13TR
廠商: STMICROELECTRONICS
元件分類: 計(jì)數(shù)器
英文描述: HC/UH SERIES, ASYN POSITIVE EDGE TRIGGERED 8-BIT UP BINARY COUNTER, PDSO16
封裝: SO-16
文件頁數(shù): 8/15頁
文件大小: 1020K
代理商: M74HC590RM13TR
M74HC590
2/15
INPUT AND OUTPUT EQUIVALENT CIRCUIT
PIN DESCRIPTION
TRUTH TABLE
X: Don’t Care
RCO = QA’QB’QC’QD’QE’QF’QG’QH’ (QA’ to QH’ : INTERNAL OUTPUTS OF THE COUNTER)
LOGIC DIAGRAM
PIN No
SYMBOL
NAME AND FUNCTION
1, 2, 3, 4, 5,
6, 7, 15
QA to QH
Outputs
11
CCK
Counter Clock Input
12
CCKEN
Counter Clock Enable
Input
13
RCK
Register Clock Input
9RCO
Ripple Carry Output
14
G
Output Enable Input
10
CCLR
Counter Clear Input
8
GND
Ground (0V)
16
VCC
Positive Supply Voltage
INPUTS
OUTPUT
G
RCK
CCLR
CCKEN
CCK
H
X
Q OUTPUTS DISABLE
L
X
Q OUTPUTS ENABLE
X
COUNTER DATA IS STORED INTO REGISTER
X
REGISTER STAGE IS NOT CHANGED
X
L
X
COUNTER CLEAR
X
H
L
ADVANCE ONE COUNT
X
H
L
NO COUNT
X
H
X
NO COUNT
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PDF描述
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