74AUP1T45 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2012. All rights reserved.
Product data sheet Rev. 5 — 9 August 2012 22 of 36
NXP Semiconductors
74AUP1T45
Low-power dual supply translating transceiver; 3-state
[1] All typical values are measured at nominal V
CC(A)
and V
CC(B)
.
[2] t
pd
is the same as t
PLH
and t
PHL
.
[3] t
dis
is the same as t
PLZ
and t
PHZ
.
[4] C
PD
is used to determine the dynamic power dissipation (P
D
in W).
P
D
=C
PD
V
CC
2
f
i
N+(C
L
V
CC
2
f
o
) where:
f
i
= input frequency in MHz;
f
o
= output frequency in MHz;
C
L
= load capacitance in pF;
V
CC
= supply voltage in V;
N = number of inputs switching;
(C
L
V
CC
2
f
o
) = sum of the outputs.
[5] f
i
= 1 MHz; V
I
=GNDtoV
CC
C
L
= 5 pF, 10 pF, 15 pF and 30 pF
C
PD
power dissipation
capacitance
A port; (direction A to B)
[4][5]
V
CC(A)
= V
CC(B)
= 1.2 V - 0.6 - - - - pF
V
CC(A)
= V
CC(B)
= 1.5 V - 0.7 - - - - pF
V
CC(A)
= V
CC(B)
= 1.8 V - 0.7 - - - - pF
V
CC(A)
= V
CC(B)
= 2.5 V - 0.9 - - - - pF
V
CC(A)
= V
CC(B)
= 3.3 V - 1.1 - - - - pF
A port; (direction B to A)
[4][5]
V
CC(A)
= V
CC(B)
= 1.2 V - 3.7 - - - - pF
V
CC(A)
= V
CC(B)
= 1.5 V - 3.8 - - - - pF
V
CC(A)
= V
CC(B)
= 1.8 V - 4.0 - - - - pF
V
CC(A)
= V
CC(B)
= 2.5 V - 4.6 - - - - pF
V
CC(A)
= V
CC(B)
= 3.3 V - 5.2 - - - - pF
B port; (direction A to B)
[4][5]
V
CC(A)
= V
CC(B)
= 1.2 V - 3.7 - - - - pF
V
CC(A)
= V
CC(B)
= 1.5 V - 3.8 - - - - pF
V
CC(A)
= V
CC(B)
= 1.8 V - 4.0 - - - - pF
V
CC(A)
= V
CC(B)
= 2.5 V - 4.6 - - - - pF
V
CC(A)
= V
CC(B)
= 3.3 V - 5.2 - - - - pF
B port; (direction B to A)
[4][5]
V
CC(A)
= V
CC(B)
= 1.2 V - 0.6 - - - - pF
V
CC(A)
= V
CC(B)
= 1.5 V - 0.7 - - - - pF
V
CC(A)
= V
CC(B)
= 1.8 V - 0.7 - - - - pF
V
CC(A)
= V
CC(B)
= 2.5 V - 0.9 - - - - pF
V
CC(A)
= V
CC(B)
= 3.3 V - 1.1 - - - - pF
Table 8. Dynamic characteristics
…continued
Voltages are referenced to GND (ground = 0 V); for test circuit see Figure 8.
Symbol Parameter Conditions 25 C 40 C to +125 C Unit
Min Typ
[1]
Max Min Max
(85 C)
Max
(125 C)
