74ALVC164245 datasheet(13/19 Pages) PHILIPS

13 / 19 page

9397 750 13248

Product data sheet

Rev. 02 — 1 June 2004

13 of 19

Philips Semiconductors

74ALVC164245

16-bit dual supply translating transceiver; 3-state

12. AC waveforms

Measurement points are given in Table 9.

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

Fig 4.

Input (nAn, nBn) to output (nBn, nAn) propagation delays.

Table 9:

Measurement points

Direction

Supply voltage

Input

Output

VCCA

VCCB

A port to B port

2.3 V to 2.7 V

2.7 V to 3.6 V

VCCA

0.5

× VCCA

1.5 V

B port to A port

2.3 V to 2.7 V

2.7 V to 3.6 V

2.7 V

1.5 V

0.5

× VCCA

A port to B port

2.7 V to 3.6 V

4.5 V to 5.5 V

2.7 V

1.5 V

0.5

× VCCB

B port to A port

2.7 V to 3.6 V

4.5 V to 5.5 V

3.0 V

1.5 V

Measurement points are given in Table 10.

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

Fig 5.

3-state enable and disable times.

001aaa792

nAn, nBn

input

nBn, nAn

output

tPHL

tPLH

GND

VOH

VOL

001aaa793

tPLZ

tPHZ

outputs

disabled

outputs

enabled

outputs

enabled

Qn output

LOW-to-OFF

OFF-to-LOW

Qn output

HIGH-to-OFF

OFF-to-HIGH

nOE input

VOL

VOH

VCC

GND

tPZL

tPZH

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