74AHCT244 Ver la hoja de datos (PDF) - NXP Semiconductors.

Número de pieza

componentes Descripción

Fabricante

74AHCT244

Octal buffer/line driver; 3-state

NXP Semiconductors. 

NXP Semiconductors

74AHC244; 74AHCT244

Octal buffer/line driver; 3-state

VI

nOE input

GND

VCC

nYn output

LOW- to - OFF

OFF- to - LOW

VOL

VOH

nYn output

HIGH- to - OFF

OFF- to - HIGH

GND

VM

t PLZ

t PZL

t PHZ

VX

VY

outputs

enabled

VM

t PZH

VM

outputs

disabled

outputs

enabled

001aae014

Measurement points are given in Table 8.

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

Fig 7. enable and disable times

Table 8. Measurement points

Type

74AHC244

74AHCT244

Input

VM

0.5VCC

1.5 V

Output

VM

0.5VCC

0.5VCC

VX

VOL + 0.3 V

VOL + 0.3 V

VY

VOH − 0.3 V

VOH − 0.3 V

74AHC_AHCT244_5

Product data sheet

Rev. 05 — 20 December 2007

© NXP B.V. 2007. All rights reserved.

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