Datasheet

74LVC1GX04 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2013. All rights reserved.
Product data sheet Rev. 3 — 21 August 2013 7 of 18
NXP Semiconductors
74LVC1GX04
X-tal driver
11. Dynamic characteristics
[1] Typical values are measured at nominal V
CC
and at T
amb
= 25 C.
[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 5.
Symbol Parameter Conditions 40 C to +85 C 40 C to +125 C Unit
Min Typ
[1]
Max Min Max
t
pd
propagation delay X1 to X2; see Figure 3
[2]
V
CC
= 1.65 V to 1.95 V 0.5 2.1 5.0 0.5 6.5 ns
V
CC
= 2.3 V to 2.7 V 0.3 1.7 4.0 0.3 5.0 ns
V
CC
= 2.7 V 0.3 2.5 4.5 0.3 5.6 ns
V
CC
= 3.0 V to 3.6 V 0.3 2.1 3.7 0.3 4.5 ns
V
CC
= 4.5 V to 5.5 V 0.3 1.6 3.0 0.3 3.8 ns
X1 to Y; see Figure 3
V
CC
= 1.65 V to 1.95 V 1.0 4.4 10.0 1.0 12.5 ns
V
CC
= 2.3 V to 2.7 V 0.5 2.9 6.0 0.5 7.5 ns
V
CC
= 2.7 V 0.5 3.0 6.0 0.5 7.5 ns
V
CC
= 3.0 V to 3.6 V 0.5 2.8 5.5 0.5 6.9 ns
V
CC
= 4.5 V to 5.5 V 0.5 2.3 4.5 0.5 5.6 ns
C
PD
power dissipation
capacitance
V
CC
=3.3V; V
I
=GNDtoV
CC
;
output enabled
[3]
-35- - -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 3. Input X1 to output X2 propagation delay times
mnb099
X1 input
X2 output
t
PHL
t
PLH
GND
V
I
V
M
V
M
V
OH
V
OL