Datasheet
74LVC2G86 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2013. All rights reserved.
Product data sheet Rev. 11 — 8 April 2013 8 of 21
NXP Semiconductors
74LVC2G86
Dual 2-input EXCLUSIVE-OR gate
11. Dynamic characteristics
[1] Typical values are measured at T
amb
=25C and V
CC
= 1.8 V, 2.5 V, 2.7 V, 3.3 V and 5.0 V respectively.
[2] t
pd
is the same as t
PLH
and t
PHL
[3] 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
= output load capacitance in pF;
V
CC
= supply voltage in V;
N = number of inputs switching;
(C
L
V
CC
2
f
o
) = sum of outputs.
12. Waveforms
Table 8. Dynamic characteristics
Voltages are referenced to GND (ground 0 V); for test circuit see Figure 9.
Symbol Parameter Conditions 40 C to +85 C 40 C to +125 C Unit
Min Typ
[1]
Max Min Max
t
pd
propagation delay nA, nB to nY; see Figure 8
[2]
V
CC
= 1.65 V to 1.95 V 1.4 3.8 9.9 1.4 12.4 ns
V
CC
= 2.3 V to 2.7 V 0.8 2.5 5.7 0.8 7.2 ns
V
CC
= 2.7 V 0.8 3.0 5.7 0.8 7.2 ns
V
CC
= 3.0 V to 3.6 V 0.8 2.3 4.7 0.8 5.9 ns
V
CC
= 4.5 V to 5.5 V 0.6 1.9 3.6 0.6 4.5 ns
C
PD
power dissipation
capacitance
per gate; V
I
= GND to V
CC
;
V
CC
=3.3V
[3]
output enabled - 15.8 - - - pF
Measurement points are given in Table 9.
V
OL
and V
OH
are typical output voltage levels that occur with the output load.
Fig 8. Propagation delay input (nA, nB) to output (nY)
mna224
nA, nB input
nY output
t
PLH
t
PHL
GND
V
I
V
M
V
M
V
OH
V
OL