74LVC544A 查看數據表（PDF） - NXP Semiconductors.

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74LVC544A

Octal D-type registered transceiver; inverting; 3-state

NXP Semiconductors. 

NXP Semiconductors

74LVC544A

Octal D-type registered transceiver; inverting; 3-state

VI

LEXX input

VM

GND

VOH

An, Bn output

VOL

tW

tPHL

VM

tPLH

001aaa786

Fig 6.

Measurement points are given in Table 8.

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

Latch enable input (LEXX) pulse width and latch enable input to output (An, Bn) propagation delays

VI

An, Bn input

GND

VM

th

tsu

th

tsu

VI

LEXX, EXX input

VM

GND

001aaa787

Fig 7.

Measurement points are given in Table 8.

The shaded areas indicate when the input is permitted to change for predictable output performance

Data set-up and hold times for the inputs (An, Bn) to LEXX and EXX inputs

74LVC544A

Product data sheet

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

Rev. 4 — 18 December 2012

© NXP B.V. 2012. All rights reserved.

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