Nexperia
74AXP1T14
Dual supply Schmitt trigger inverter
74AXP1T14 All information provided in this document is subject to legal disclaimers. © Nexperia B.V. 2017. All rights reserved.
Product data sheet Rev. 2 — 9 May 2017
9 / 17
Table 12. Typical dynamic characteristics at T
amb
= 25 °C
Voltages are referenced to GND (ground = 0 V); for test circuit see Figure 11; for wave form see Figure 7.
V
CCO
Symbol Parameter Conditions
1.2 V 1.5 V 1.8 V 2.5 V 3.3 V 5.0 V
Unit
f
i
= 1 MHz; R
L
= ∞ Ω;
V
I
= 0 V to V
CCI
[1]
input supply
[2]
V
CCI
= 0.8 V 0.5 0.5 0.5 0.5 0.5 0.5 pF
V
CCI
= 1.2 V 0.6 0.6 0.6 0.6 0.6 0.6 pF
V
CCI
= 1.5 V 0.7 0.7 0.7 0.7 0.7 0.7 pF
V
CCI
= 1.8 V 0.8 0.8 0.8 0.8 0.8 0.8 pF
V
CCI
= 2.5 V 1.0 1.0 1.0 1.0 1.0 1.0 pF
output supply
[3]
V
CCI
= 0.8 V 6.7 6.8 6.8 6.9 7.5 9.5 pF
V
CCI
= 1.2 V 6.8 6.9 7.0 7.0 7.1 7.6 pF
V
CCI
= 1.5 V 6.9 6.9 6.9 7.0 7.1 7.6 pF
V
CCI
= 1.8 V 6.9 6.9 6.9 7.0 7.2 7.6 pF
C
PD
power
dissipation
capacitance
V
CCI
= 2.5 V 6.9 7.0 7.0 7.0 7.2 7.6 pF
C
I
input
capacitance
V
I
= 0 V or V
CCI
;
V
CCI
= 0 V to 2.7 V
0.6 0.6 0.6 0.6 0.6 0.6 pF
C
O
output
capacitance
V
O
= 0 V; V
CCO
= 0 V 1.8 1.8 1.8 1.8 1.8 1.8 pF
[1] C
PD
is used to determine the dynamic power dissipation (P
D
in μW).
[2] Power dissipated from input supply (V
CCI
)
P
D
= C
PD
× V
CCI
2
× f
i
× N where:
C
PD
= power dissipation capacitance of the input supply.
V
CCI
= input supply voltage in V;
f
i
= input frequency in MHz;
N = number of inputs switching;
[3] Power dissipated from output supply (V
CCO
)
P
D
= (C
L
+ C
PD
) × V
CCO
2
× f
o
where:
C
L
= load capacitance in pF;
C
PD
= power dissipation capacitance of the output supply.
V
CCO
= output supply voltage in V;
f
o
= output frequency in MHz;
11.1 Waveforms and graphs
