Datasheet
74LVC1G17 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2012. All rights reserved.
Product data sheet Rev. 10 — 29 June 2012 8 of 21
NXP Semiconductors
74LVC1G17
Single Schmitt trigger buffer
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 9. Dynamic characteristics
Voltages are referenced to GND (ground = 0 V). For test circuit see Figure 12.
Symbol Parameter Conditions 40 C to +85 C 40 C to +125 C Unit
Min Typ
[1]
Max Min Max
t
pd
propagation delay A to Y; see Figure 11
[2]
V
CC
= 1.65 V to 1.95 V 1.0 4.1 11.0 1.0 14.0 ns
V
CC
= 2.3 V to 2.7 V 0.7 2.8 6.5 0.7 8.5 ns
V
CC
= 2.7 V 0.7 3.2 6.5 0.7 8.5 ns
V
CC
= 3.0 V to 3.6 V 0.7 3.0 5.5 0.7 7.0 ns
V
CC
= 4.5 V to 5.5 V 0.7 2.2 5.0 0.7 6.5 ns
C
PD
power dissipation
capacitance
V
I
= GND to V
CC
;
V
CC
= 3.3 V
[3]
-16.6---pF
Measurement points are given in Table 10.
V
OL
and V
OH
are typical output voltage levels that occur with the output load.
Fig 11. The input A to output Y propagation delay times
mnb153
t
PHL
t
PLH
V
M
V
M
A input
Y output
GND
V
I
V
OH
V
OL
Table 10. Measurement points
Supply voltage Input Output
V
CC
V
M
V
M
1.65 V to 1.95 V 0.5 V
CC
0.5 V
CC
2.3 V to 2.7 V 0.5 V
CC
0.5 V
CC