74AXP2T45 datasheet(16/26 Pages) NEXPERIA

No de pièce	74AXP2T45

Description	2-bit dual supply translating transceiver; 3-state

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Nexperia

74AXP2T45

2-bit dual supply translating transceiver; 3-state

11.1. Waveforms and test circuit

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nA, nB input

nB, nA output

tPLH

tPHL

GND

VI

VOH

VM

VOL

Measurement points are given in Table 15.

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

Fig. 5. The data input (nA, nB) to output (nB, nA) propagation delay times

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VM

VX

VY

VI

GND

VCCO

VOL

VOH

DIR input

A output

LOW-to-OFF

OFF-to-LOW

A output

HIGH-to-OFF

OFF-to-HIGH

B output

LOW-to-OFF

OFF-to-LOW

B output

HIGH-to-OFF

OFF-to-HIGH

GND

tPLZ

tPZL

tPHZ

tPZH

tPZL

tPLZ

tPZH

tPHZ

VCCO

VX

VY

VM

VOL

VOH

GND

Measurement points are given in Table 15.

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

Fig. 6. Enable and disable times

Table 15. Measurement points

Supply voltage

Input [1]

Output [2]

VCC(A), VCC(B)

VM

VX

VY

0.9 V to 1.6 V

0.5 × VCCI

0.5 × VCCO

VOL + 0.1 V

VOH - 0.1 V

1.65 V to 2.7 V

0.5 × VCCI

0.5 × VCCO

VOL + 0.15 V

VOH - 0.15 V

3.0 V to 5.5 V

0.5 × VCCI

0.5 × VCCO

VOL + 0.3 V

VOH - 0.3 V

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

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

74AXP2T45

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

Product data sheet

Rev. 2 — 23 June 2022

16 / 26

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