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74HCT4020 Datasheet(数据表) 3 Page - NXP Semiconductors

部件型号  74HCT4020
说明  14-stage binary ripple counter
下载  7 Pages
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制造商  PHILIPS [NXP Semiconductors]
网页  http://www.nxp.com
标志 

   
 3 page
background image
September 1993
3
Philips Semiconductors
Product specification
14-stage binary ripple counter
74HC/HCT4020
PIN DESCRIPTION
PIN NO.
SYMBOL
NAME AND FUNCTION
9, 7, 5, 4, 6, 13, 12, 14, 15, 1, 2, 3 Q0, Q3 to Q13
parallel outputs
8
GND
ground (0 V)
10
CP
clock input (HIGH-to-LOW, edge-triggered)
11
MR
master reset input (active HIGH)
16
VCC
positive supply voltage
Fig.1 Pin configuration.
Fig.2 Logic symbol.
Fig.3 IEC logic symbol.
fpage
MGA829
RCTR14
9
7
5
4
6
13
12
14
15
1
2
3
0
3
13
CT=0
CT




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