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74ABT543AD Datasheet PDF : 17 Pages
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NXP Semiconductors
74ABT543A
Octal latched transceiver with dual enable; 3-state
Table 7. Dynamic characteristics …continued
GND = 0 V; for test circuit, see Figure 10.
Symbol Parameter
Conditions
tPZL
tPHZ
tPLZ
tsu(H)
tsu(L)
th(H)
th(L)
tWL
OFF-state to LOW OEBA to An, OEAB to Bn; see Figure 8
propagation delay EBA to An, EAB to Bn; see Figure 8
HIGH to OFF-state OEBA to An, OEAB to Bn; see Figure 7
propagation delay EBA to An, EAB to Bn; see Figure 7
LOW to OFF-state OEBA to An, OEAB to Bn; see Figure 8
propagation delay EBA to An, EAB to Bn; see Figure 8
set-up time HIGH An to LEAB, Bn to LEBA; see Figure 9
An to EAB, Bn to EBA; see Figure 9
set-up time LOW An to LEAB, Bn to LEBA; see Figure 9
An to EAB, Bn to EBA; see Figure 9
hold time HIGH
LEAB to An, LEBA to Bn; see Figure 9
EAB to An, EBA to Bn; see Figure 9
hold time LOW
LEAB to An, LEBA to Bn; see Figure 9
EAB to An, EBA to Bn; see Figure 9
pulse width LOW latch enable; see Figure 9
11. Waveforms
25 C; VCC = 5.0 V 40 C to +85 C; Unit
VCC = 5.0 V 0.5 V
Min Typ Max Min
Max
2.0 4.3 5.9 2.0
6.6 ns
2.0 4.4 6.1 2.0
6.8 ns
2.0 4.0 5.7 2.0
6.2 ns
2.0 3.6 5.4 2.0
5.9 ns
1.0 3.0 4.6 1.0
5.0 ns
1.0 3.0 4.6 1.0
5.0 ns
2.5 1.0 -
2.5
- ns
3.5 1.3 -
3.5
- ns
3.0 1.4 -
3.0
- ns
3.0 1.4 -
3.0
- ns
+0.5 0.8 -
0.5
- ns
+0.5 0.8 -
0.5
- ns
+0.5 0.6 -
0.5
- ns
+0.5 0.6 -
0.5
- ns
3.5 1.0 -
3.5
- ns
VI
An or Bn
GND
VOH
Bn or An
VOL
VM
VM
tPLH
tPHL
VM
VM
001aae904
Fig 5.
VM = 1.5 V.
VOL and VOH are typical voltage output levels that occur with the output load.
Propagation delay input (An, Bn) to output (Bn, An)
74ABT543A
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 5 — 3 November 2011
© NXP B.V. 2011. All rights reserved.
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