Nexperia

LSF0204

4-bit bidirectional multi-voltage level translator; open-drain; push-pull

aaa-031591

tf

10 %

10 %

90 %

90 %

90 %

10 %

10 %

VI

0 V

VI

negative

pulse

positive

pulse

0 V

90 %

tr

tr

tf

a. VI source waveform

aaa-031592

An

Bn

VEXT

VO

LSF0204

EN

refA

400 kΩ

VrefA

refB

VrefB

VI

CL

1 MΩ

S1

S2

RL

Measurement

tPHL/tPLH, fmax

switch

S1

S2

S1

tPHL/tPLH, fmax

tPZL/tPLZ

Translating up

Translating down

Translating up/down

b. Test circuit

Test data is given in Table 8; The An and Bn pins may be exchanged.

All input pulses are supplied by generators having the following characteristics: PRR ≤ 10 MHz; ZO = 50 Ω.

Definitions test circuit: CL = Load capacitance including jig and probe capacitance; RL = Load resistance;

S1/S2 = Test selection switch.

Fig. 7. Test circuit for measuring switching times

Table 8. Test data

Input

Load

RL

VEXT

tr, tf

CL

tPLH , tPHL, tPLZ, tPZL

fmax

tPLH, tPHL, fmax

tPLZ, tPZL [1]

≤ 2 ns

15 pF, 30 pF, 50 pF

500 Ω

100 Ω

VrefB

VrefA, VrefB

[1] For measuring tPLZ, tPZL (translating up) VEXT = VrefB.

For measuring tPLZ, tPZL (translating down) VEXT = VrefA.

LSF0204

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© Nexperia B.V. 2020. All rights reserved

Product data sheet

Rev. 2 — 28 October 2020

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