74AVC20T245 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2012. All rights reserved.
Product data sheet Rev. 7 — 8 March 2012 14 of 27
NXP Semiconductors
74AVC20T245
20-bit dual supply translating transceiver; 3-state
[1] t
pd
is the same as t
PLH
and t
PHL
; t
dis
is the same as t
PLZ
and t
PHZ
; t
en
is the same as t
PZL
and t
PZH
.
Table 13. Dynamic characteristics for temperature range 40 C to +125 C
[1]
Voltages are referenced to GND (ground = 0 V); for test circuit see Figure 7; for wave forms see Figure 5 and Figure 6
Symbol Parameter Conditions V
CC(B)
Unit
1.2 V 0.1 V 1.5 V 0.1 V 1.8 V 0.15 V 2.5 V 0.2 V 3.3 V 0.3 V
Min Max Min Max Min Max Min Max Min Max
V
CC(A)
= 1.1 V to 1.3 V
t
pd
propagation
delay
nAn to nBn 0.5 10.4 0.5 7.9 0.5 6.9 0.5 5.8 0.5 5.7 ns
nBn to nAn 0.5 10.4 0.5 9.8 0.5 9.6 0.5 9.3 0.5 9.1 ns
t
dis
disable time nOE to nAn 2.0 13.1 2.0 13.1 2.0 13.1 2.0 13.1 2.0 13.1 ns
nOE
to nBn 1.5 14.0 1.5 10.8 1.5 10.6 1.0 9.0 1.0 9.9 ns
t
en
enable time nOE to nAn 1.5 16.9 1.5 16.9 1.5 16.9 1.5 16.9 1.5 16.9 ns
nOE
to nBn 1.0 17.2 1.0 12.7 1.0 11.0 0.5 9.3 0.5 8.8 ns
V
CC(A)
= 1.4 V to 1.6 V
t
pd
propagation
delay
nAn to nBn 0.5 9.8 0.5 7.1 0.5 6.0 0.5 4.8 0.5 4.3 ns
nBn to nAn 0.5 7.9 0.5 7.1 0.5 6.8 0.5 6.4 0.5 6.3 ns
t
dis
disable time nOE to nAn 2.0 9.9 2.0 9.9 2.0 9.9 2.0 9.9 2.0 9.9 ns
nOE
to nBn 1.5 12.9 1.5 9.9 1.5 8.6 1.0 7.1 1.0 6.6 ns
t
en
enable time nOE to nAn 1.5 11.4 1.5 11.4 1.5 11.4 1.5 11.3 1.5 11.3 ns
nOE
to nBn 1.0 15.8 1.0 11.4 1.0 9.3 0.5 6.8 0.5 5.9 ns
V
CC(A)
= 1.65 V to 1.95 V
t
pd
propagation
delay
nAn to nBn 0.5 9.6 0.5 6.8 0.5 5.5 0.5 4.3 0.5 3.9 ns
nBn to nAn 0.5 6.9 0.5 6.0 0.5 5.5 0.5 5.2 0.5 5.1 ns
t
dis
disable time nOE to nAn 2.0 8.2 2.0 8.2 2.0 8.2 2.0 8.2 2.0 8.2 ns
nOE
to nBn 1.5 12.5 1.5 9.6 1.5 8.2 1.0 6.4 1.0 6.2 ns
t
en
enable time nOE to nAn 1.0 9.0 1.0 9.0 1.0 8.7 1.0 8.7 1.0 8.7 ns
nOE
to nBn 0.5 15.2 0.5 11.0 0.5 8.7 0.5 6.3 0.5 5.3 ns
V
CC(A)
= 2.3V to 2.7V
t
pd
propagation
delay
nAn to nBn 0.5 9.3 0.5 6.4 0.5 5.2 0.5 3.9 0.5 3.3 ns
nBn to nAn 0.5 5.8 0.5 4.8 0.5 4.3 0.5 3.9 0.5 3.8 ns
t
dis
disable time nOE to nAn 1.1 5.8 1.1 5.8 1.1 5.8 1.1 5.8 1.1 5.8 ns
nOE
to nBn 1.2 11.9 1.2 9.1 1.2 7.6 1.0 5.9 1.0 5.8 ns
t
en
enable time nOE to nAn 0.5 6.0 0.5 6.0 0.5 5.9 0.5 5.8 0.5 5.8 ns
nOE
to nBn 0.5 14.7 0.5 10.6 0.5 8.4 0.5 5.9 0.5 4.8 ns
V
CC(A)
= 3.0V to 3.6V
t
pd
propagation
delay
nAn to nBn 0.5 9.1 0.5 6.3 0.5 5.1 0.5 3.8 0.5 3.2 ns
nBn to nAn 0.5 5.7 0.5 4.3 0.5 3.9 0.5 3.3 0.5 3.2 ns
t
dis
disable time nOE to nAn 0.8 5.5 0.8 5.5 0.8 5.5 0.8 5.5 0.8 5.5 ns
nOE
to nBn 1.2 11.6 1.2 9.0 1.2 7.4 1.0 5.7 0.8 5.5 ns
t
en
enable time nOE to nAn 0.5 4.9 0.5 4.9 0.5 4.8 0.5 4.7 0.5 4.6 ns
nOE
to nBn 1.0 14.5 1.0 10.6 0.5 8.3 0.5 5.7 0.5 4.6 ns