2003 Nov 17

10

Philips Semiconductors

Product specification

Octal transceiver with direction pin, 30

Ω series

termination resistors; 5 V tolerant input/output; 3-state

74LVC2245A

AC WAVEFORMS

handbook, halfpage

MNA176

An, Bn input

Bn, An output

tPLH

tPHL

GND

VI

VM

VM

VM

VM

VOH

VOL

Fig.5 The inputs An, Bn to outputs Bn, An propagation delays.

INPUT

1.2 V

0.5

≤ 2.5 ns

2.7 V

1.5 V

2.7 V

≤ 2.5 ns

3.0 to 3.6 V

1.5 V

2.7 V

≤ 2.5 ns

handbook, full pagewidth

MNA395

tPLZ

tPHZ

outputs

disabled

outputs

enabled

VY

VX

outputs

enabled

Qn output

LOW-to-OFF

OFF-to-LOW

Qn output

HIGH-to-OFF

OFF-to-HIGH

OE input

VI

VOL

VOH

VCC

VM

GND

GND

tPZL

tPZH

VM

VM

Fig.6 3-state enable and disable times.

INPUT

1.2 V

0.5

≤ 2.5 ns

2.7 V

1.5 V

2.7 V

≤ 2.5 ns

3.0 to 3.6 V 1.5 V

2.7 V

≤ 2.5 ns