Nexperia
74HC4020; 74HCT4020
14-stage binary ripple counter
9,
QHJDWLYH
SXOVH
*1'
9,
SRVLWLYH
SXOVH
*1'
90
WI
WU
90
9,
*
57
W:
W:
9&&
'87
90
WU
WI
90
92
&/
DDK
Test data is given in Table 9.
Definitions test circuit:
RT = Termination resistance should be equal to output impedance Zo of the pulse generator.
CL = Load capacitance including jig and probe capacitance.
Fig 10. Test circuit for measuring switching times
Table 9. Test data
Type
Input
VI
tr, tf
74HC4020
VCC
6 ns
74HCT4020
3V
6 ns
Load
CL
15 pF, 50 pF
15 pF, 50 pF
74HC_HCT4020
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 6 — 3 February 2016
.
11 of 19
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