Nexperia

74ALVC245

Octal bus transceiver; 3-state

10.1. Waveforms and test circuit

mna176

An, Bn input

Bn, An output

tPLH

tPHL

GND

VI

VM

VM

VM

VM

VOH

VOL

Measurement points are given in Table 8.

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

Fig. 5. Propagation delay input (An, Bn) to output (Bn, An)

mna367

tPLZ

tPHZ

outputs

disabled

outputs

enabled

VY

VX

outputs

enabled

output

LOW-to-OFF

OFF-to-LOW

output

HIGH-to-OFF

OFF-to-HIGH

OE input

VI

VOL

VOH

VCC

VM

GND

GND

tPZL

tPZH

VM

VM

Measurement points are given in Table 8.

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

Fig. 6. Enable and disable times

Table 8. Measurement points

Supply voltage

Input

Output

VCC

VI

VM

VM

VX

VY

1.65 V to 1.95 V

VCC

0.5 × VCC

0.5 × VCC

VOL + 0.15 V

VOH - 0.15 V

2.3 V to 2.7 V

VCC

0.5 × VCC

0.5 × VCC

VOL + 0.15 V

VOH - 0.15 V

2.7 V

2.7 V

1.5 V

1.5 V

VOL + 0.3 V

VOH - 0.3 V

3.0 V to 3.6 V

2.7 V

1.5 V

1.5 V

VOL + 0.3 V

VOH - 0.3 V

74ALVC245

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

© Nexperia B.V. 2021. All rights reserved

Product data sheet

Rev. 3 — 30 April 2021

7 / 14