Nexperia
74AHCT17A
Hex buffer Schmitt trigger
74AHCT17A All information provided in this document is subject to legal disclaimers. © Nexperia B.V. 2017. All rights reserved.
Product data sheet Rev. 1 — 18 May 2017
6 / 13
10 Dynamic characteristics
Table 7. Dynamic characteristics
GND = 0 V. For test circuit, see Figure 9.
25 °C -40 °C to +85 °C -40 °C to +125 °CSymbol Parameter Conditions
Min Typ
[1]
Max Min Max Min Max
Unit
nA to nY; see Figure 8
[2]
V
CC
= 4.5 V to 5.5 V
C
L
= 15 pF - 3.2 8.3 1 9.9 1 10.6 ns
t
pd
propagation
delay
C
L
= 50 pF - 5.0 9.8 1 11.3 1 12.1 ns
C
I
input
capacitance
V
I
= V
CC
or GND;
V
CC
= 5 V
- 2 6 - 6 - 6 pF
C
O
output
capacitance
V
O
= V
CC
or GND;
V
CC
= 5 V
- 5 - - - - - pF
C
PD
power
dissipation
capacitance
per buffer; C
L
= 0 pF;
f = 10 MHz;
V
I
= GND to V
CC
[3]
- 9.8 - - - - - pF
[1] Typical values are measured at T
amb
= 25 °C and V
CC
= 5 V.
[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
(μW).
P
D
= C
PD
x V
CC
2
x f
i
+ ∑ (C
L
x V
CC
2
x 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 Volts.
Table 8. Noise characteristics
GND = 0 V. For test circuit, see Figure 9.
T
amb
= 25 °CSymbol Parameter Conditions
Min Typ Max
Unit
V
CC
= 5 V; C
L
= 50 pF
V
OL(p)
LOW-level output voltage (peak) - 0.4 0.8 V
V
OL(v)
LOW-level output voltage (valley) -0.8 -0.2 - V
V
OH(v)
HIGH-level output voltage (valley) - 4.5 - V
V
IH(AC)
AC HIGH-level input voltage 2 - - V
V
IL(AC)
AC LOW-level input voltage - - 0.8 V
