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74ABT544 Datasheet, PDF (9/19 Pages) NXP Semiconductors – Octal latched transceiver with dual enable, inverting 3-State
Philips Semiconductors
74ABT544
Octal latched transceiver with dual enable; inverting; 3-state
Table 8: Dynamic characteristics …continued
GND = 0 V; for test circuit see Figure 10.
Symbol Parameter
tPHZ
output disable time from HIGH-level
OEBA to An, OEAB to Bn
EBA to An, EAB to Bn
tPLZ
output disable time from LOW-level
OEBA to An, OEAB to Bn
EBA to An, EAB to Bn
tsu(H)
set-up time HIGH
An to LEAB, Bn to LEBA
An to EAB, Bn to EBA
tsu(L)
set-up time LOW
An to LEAB, Bn to LEBA
An to EAB, Bn to EBA
th(H)
hold time HIGH
An to LEAB, Bn to LEBA
An to EAB, Bn to EBA
th(L)
hold time LOW
An to LEAB, Bn to LEBA
An to EAB, Bn to EBA
twL
pulse width LOW LEAB and LEBA
Tamb = −40 °C to +85 °C; VCC = 5.0 V ± 0.5 V
tPLH
propagation delay
An to Bn, Bn to An
LEBA to An, LEAB to Bn
tPHL
propagation delay
An to Bn, Bn to An
LEBA to An, LEAB to Bn
tPZH
output enable time to HIGH-level
OEBA to An, OEAB to Bn
EBA to An, EAB to Bn
tPZL
output enable time to LOW-level
OEBA to An, OEAB to Bn
EBA to An, EAB to Bn
tPHZ
output disable time from HIGH-level
OEBA to An, OEAB to Bn
EBA to An, EAB to Bn
tPLZ
output disable time from LOW-level
OEBA to An, OEAB to Bn
EBA to An, EAB to Bn
Conditions
see Figure 7
see Figure 7
see Figure 8
see Figure 8
see Figure 9
see Figure 9
see Figure 9
see Figure 9
see Figure 9
see Figure 9
see Figure 9
see Figure 9
see Figure 9
see Figure 5
see Figure 5 and 6
see Figure 5
see Figure 5 and 6
see Figure 7
see Figure 7
see Figure 8
see Figure 8
see Figure 7
see Figure 7
see Figure 8
see Figure 8
Min
Typ
Max Unit
2.0
3.3
4.3
ns
2.1
3.4
4.5
ns
2.0
2.8
5.8
ns
2.0
3.0
6.2
ns
3.0
1.5
-
ns
3.0
1.5
-
ns
3.0
0.6
-
ns
3.0
0.6
-
ns
0.5
−0.3 -
ns
0.5
−0.2 -
ns
0.5
−1.3 -
ns
0.5
−1.3 -
ns
3.5
1.8
-
ns
1.7
-
2.1
-
2.4
-
3.0
-
1.8
-
1.9
-
2.9
-
3.1
-
2.0
-
2.1
-
2.0
-
2.0
-
4.7
ns
5.2
ns
5.2
ns
6.2
ns
4.7
ns
5.0
ns
6.1
ns
6.5
ns
4.9
ns
5.2
ns
6.3
ns
6.7
ns
9397 750 14756
Product data sheet
Rev. 03 — 20 April 2005
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
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