HEF4020B_4

© NXP B.V. 2008. All rights reserved.

Product data sheet

Rev. 04 — 4 December 2008

7 of 13

NXP Semiconductors

HEF4020B

14-stage binary counter

12. Waveforms

Table 8.

Symbol

Parameter

where:

dynamic power

dissipation

5V

Σ(C

10 V

15 V

Measurement points are given in Table 9.

Fig 7.

Propagation delays, minimum pulse widths, transition and recovery times and maximum clock frequency

MR INPUT

Q0 or Qn

OUTPUT

001aae591

CP INPUT

Table 9.

Measurement points

Supply voltage

Input

Output

5 V to 15 V

Test data is given in Table 10.

Definitions for test circuit:

DUT = Device Under Test.

Fig 8.

Test circuit

001aag182

DUT

CL

RT

G