74HC4040 Просмотр технического описания (PDF) - NXP Semiconductors.
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74HC4040 Datasheet PDF : 20 Pages
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NXP Semiconductors
74HC4040; 74HCT4040
12-stage binary ripple counter
6.2 Pin description
Table 2.
Symbol
Q11
Q5
Q4
Q6
Q3
Q2
Q1
GND
Q0
CP
MR
Q8
Q7
Q9
Q10
VCC
Pin description
Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Description
output 11
output 5
output 4
output 6
output 3
output 2
output 1
ground (0 V)
output 0
clock input (HIGH-to-LOW, edge-triggered)
master reset input (active HIGH)
output 8
output 7
output 9
output 10
positive supply voltage
7. Functional description
7.1 Function table
Table 3. Function table
Input
CP
MR
L
L
X
H
Output
Q0 to Q11
no change
count
L
[1] H = HIGH voltage level; L = LOW voltage level; X = don’t care; = LOW-to-HIGH clock transition; = HIGH-to-LOW clock transition.
74HC_HCT4040
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 4 — 20 March 2014
© NXP Semiconductors N.V. 2014. All rights reserved.
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