參數(shù)資料
型號: TC74AC393FN
元件分類: 計數(shù)器
英文描述: AC SERIES, ASYN NEGATIVE EDGE TRIGGERED 4-BIT UP BINARY COUNTER, PDSO14
封裝: 0.150 INCH, 1.27 MM PITCH, PLASTIC, SOL-14
文件頁數(shù): 3/10頁
文件大小: 238K
代理商: TC74AC393FN
TC74AC393P/F/FN/FT
2007-10-01
2
Pin Assignment
IEC Logic Symbol
Truth Table
Inputs
Outputs
CK
CLR
QA
QB
QC
QD
X
H
L
Count Up
L
No Change
X: Don’t care
Timing Chart
VCC
2CLR
2QA
14
13
12
11
10
1
2
3
4
5
6
7
1QA
1QB
1QC
1QD
GND
2QB
8
9
2QC
2QD
(top view)
1CLR
CK
1
CK
2
CTRDIV 16
(2)
+
CK
1
(12)
(1)
2CLR
(3)
(5)
(11)
(4)
(6)
(10)
0
CT = 0
(13)
CK
2
(9)
(8)
1CLR
3
CT
1QA
1QB
1QC
1QD
2QA
2QB
2QC
2QD
CK
CLR
QA
QB
QC
QD
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