74LVT244B 데이터 시트보기 (PDF) - Philips Electronics

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74LVT244B

3.3V Octal buffer/line driver 3-State

Philips Electronics 

Philips Semiconductors

12. Waveforms

74LVT244B; 74LVTH244B

3.3 V octal buffer/line driver; 3-state

VI

nAn input

GND

VOH

tPLH

nYn output

VOL

VM

VM

VM

tPHL

VM

mna171

Fig 4.

Measurement points are given in Table 9.

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

Propagation delay input (nAn) to output (nYn)

VI

nOE input

GND

3.0 V

nYn output

VOL

VOH

nYn output

0V

VM

tPZL

VM

t PZH

VM

tPLZ

VX

t PHZ

VY

001aae464

Fig 5.

Measurement points are given in Table 9.

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

3-state output enable and disable times

Table 9.

Input

VM

1.5 V

Measurement points

Output

VM

1.5 V

VX

VOL + 0.3 V

VY

VOH − 0.3 V

74LVT_LVTH244B_3

Product data sheet

Rev. 03 — 3 March 2006

© Koninklijke Philips Electronics N.V. 2006. All rights reserved.

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