Nexperia

74LVC4245A

Octal dual supply translating transceiver; 3-state

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 point are given in Table 8.

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

Fig. 7. 3-state enable and disable times

Table 8. Measurement points

Supply voltage

Input

Output

VCC(A)

VCC(B)

VM [1]

VI [1]

VM [2]

VX

VY

≤ 2.7 V

≤ 2.7 V

0.5 VCCI

VCCI

0.5 VCCO

-

-

-

2.7 V to 3.6 V

1.5 V

2.7 V

1.5 V

-

-

≥ 4.5 V

-

0.5 VCCI

3.0 V

0.5 VCCO

-

-

-

≥ 2.7 V

-

VCCI

-

VOL + 0.3 V

VOH - 0.3 V

[1] VCCI is the supply voltage associated with the data input port.

[2] VCCO is the supply voltage associated with the data output port.

VEXT

VCC

VI

VO

mna616

DUT

CL

RT

RL

RL

G

Test data is given in Table 9. Definitions for test circuit:

RL = Load resistance.

CL = Load capacitance including jig and probe capacitance.

RT = Termination resistance should be equal to output impedance Zo of the pulse generator.

Fig. 8. Test circuit for measuring switching times

Table 9. Test data

Supply voltage

Input

Load

VEXT

VCC(A)

VCC(B)

VI [1]

CL

RL

tPLH, tPHL

tPZH, tPHZ

tPZL, tPLZ [2]

< 2.7 V

< 2.7 V

VCCI

50 pF

500 Ω

open

GND

2 × VCCO

-

2.7 V to 3.6 V

2.7 V

50 pF

500 Ω

open

GND

2 × VCCO

4.5 V to 5.5 V

-

3.0 V

50 pF

500 Ω

open

GND

2 × VCCO

[1] VCCI is the supply voltage associated with the data input port.

[2] VCCO is the supply voltage associated with the output port.

74LVC4245A

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

© Nexperia B.V. 2021. All rights reserved

Product data sheet

Rev. 13 — 27 August 2021

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