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Product data sheet

Rev. 03 — 20 April 2005

10 of 19

Philips Semiconductors

74ABT544

Octal latched transceiver with dual enable; inverting; 3-state

12. Waveforms

set-up time HIGH

An to LEAB, Bn to LEBA

see Figure 9

3.0

-

-

ns

An to EAB, Bn to EBA

see Figure 9

3.0

-

-

ns

set-up time LOW

An to LEAB, Bn to LEBA

see Figure 9

3.0

-

-

ns

An to EAB, Bn to EBA

see Figure 9

3.0

-

-

ns

hold time HIGH

An to LEAB, Bn to LEBA

see Figure 9

0.5

-

-

ns

An to EAB, Bn to EBA

see Figure 9

0.5

-

-

ns

hold time LOW

An to LEAB, Bn to LEBA

see Figure 9

0.5

-

-

ns

An to EAB, Bn to EBA

see Figure 9

0.5

-

-

ns

pulse width LOW LEAB and LEBA

see Figure 9

3.5

-

-

ns

Table 8:

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

Fig 5.

Propagation delay for inverting output

Fig 6.

Propagation delay for non-inverting output

001aac759

An, Bn,

LEBA, LEAB input

GND

An, Bn output

001aac761

GND

LEBA, LEAB input

An, Bn output