74LVC244ABQ 데이터 시트보기 (PDF) - Philips Electronics

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74LVC244ABQ

Octal buffer/line driver with 5 V tolerant inputs/outputs (3-state)

Philips Electronics 

Philips Semiconductors

Octal buffer/line driver with 5 V tolerant

inputs/outputs (3-state)

Product specification

74LVC244A; 74LVCH244A

handbook, full pagewidth

VI

PULSE

GENERATOR

VCC

VO

D.U.T.

RT

S1

RL

500 Ω

2 × VCC

open

GND

CL

50 pF

RL

500 Ω

MNA368

SWITCH POSITION

TEST

tPLH/tPHL

tPLZ/tPZL

tPHZ/tPZH

S1

open

2 × VCC

GND

VCC

<2.7 V

2.7 to 3.6 V

VIN

VCC

2.7 V

Definitions for test circuits:

RL = Load resistor.

CL = Load capacitance including jig and probe capacitance.

RT = Termination resistance should be equal to Zo of the pulse generator.

Fig.8 Load circuitry for switching times.

2003 Oct 30

11

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