HEC4040BT-T 데이터 시트보기 (PDF) - NXP Semiconductors.

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HEC4040BT-T

12-stage binary ripple counter

NXP Semiconductors. 

NXP Semiconductors

11. Waveforms

HEF4040B

12-stage binary ripple counter

VI

MR input

VSS

VI

CP input

VSS

tPHL

VOH

Q0 or Qn

output

VOL

VOH

Qn + 1 output

VOL

VM

tW

tPLH

VM

1/fmax

trec

tW

tPLH

VM

tPHL

VM

tTLH

tPHL

tTHL

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Fig 5.

Logic levels: VOL and VOH are typical output voltage levels that occur with the output load.

Transition times: transition time (tt) = HIGH LOW (tTHL) or LOW HIGH (tTLH) transition times.

Measurement points are given in Table 8, test circuit in Figure 6 and test data in Table 9

Waveforms showing propagation delays for MR to Qn and CP to Q0, minimum MR and CP pulse widths

Table 8. Measurement points

Supply voltage

Input

VDD

5 V to 15 V

VI

VDD or VSS

VM

0.5VDD

Output

VM

0.5VDD

HEF4040B

Product data sheet

All information provided in this document is subject to legal disclaimers.

Rev. 8 — 17 November 2011

© NXP B.V. 2011. All rights reserved.

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