Nexperia

74LVC139

Dual 2-to-4 line decoder/demultiplexer

10.1. Waveforms and test circuit

mna782

tPHL

tPLH

VM

VM

nAn input

nYn output

GND

VI

VOH

VOL

Measurement points are given in Table 8.

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

Fig. 6. Input (nAn) to output (nYn) propagation delays

mna783

nE input

nYn output

tPHL

tPLH

GND

VI

VM

VM

VOH

VOL

Measurement points are given in Table 8.

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

Fig. 7. Enable input (nE) to output (nYn) propagation delays

Table 8. Measurement points

Supply voltage

Input

Output

VCC

VI

VM

VM

1.2 V

VCC

0.5 × VCC

0.5 × VCC

1.65 V to 1.95 V

VCC

0.5 × VCC

0.5 × VCC

2.3 V to 2.7 V

VCC

0.5 × VCC

0.5 × VCC

2.7 V

2.7 V

1.5 V

1.5 V

3.0 V to 3.6 V

2.7 V

1.5 V

1.5 V

74LVC139

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

© Nexperia B.V. 2021. All rights reserved

Product data sheet

Rev. 6 — 24 September 2021

7 / 14