Data Sheet

©
Nexperia B.V. 2017. All rights reserved
74HC_HCT4020 All information provided in this document is subject to legal disclaimers. .
Product data sheet Rev. 6 — 3 February 2016 10 of 19
Nexperia
74HC4020; 74HCT4020
14-stage binary ripple counter
Measurement points are given in Table 8.
V
OL
and V
OH
are typical voltage output levels that occur with the output load.
Fig 9. Waveforms showing the output Qn to output Qn+1 propagation delays
DDL
4QRXWSXW
W
3/+
W
3+/
9
2+
9
2+
9
2/
9
2/
9
0
9
0
4QRXWSXW
Table 8. Measurement points
Type Input Output
V
M
V
M
74HC4020 0.5  V
CC
0.5  V
CC
74HCT4020 1.3 V 1.3 V