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| 74HC7014_15 Datasheet, PDF (6/13 Pages) NXP Semiconductors – Hex non-inverting precision Schmitt-trigger | |||
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NXP Semiconductors
12. Waveforms
74HC7014
Hex non-inverting precision Schmitt-trigger
VI
nA input
GND
VM
tPLH
VM
tPHL
VOH
nY output
VOL
90 %
10 %
tTLH
90 %
10 %
tTHL
001aaf302
Fig 5.
Measurement points are given in Table 8.
VOL and VOH are typical voltage output levels that occur with the output load.
The input (nA) to output (nY) propagation delays and output transition times
Table 8. Measurement points
Type
74HC7014
Input
VM
0.5VCC
Output
VM
0.5VCC
VI
PULSE
GENERATOR
VCC
D.U.T
RT
VCC
VO
RL = 1 kΩ
CL 50 pF
open
mgk563
Fig 6.
Test data is given in Table 9.
Definitions test circuit:
RL = Load resistance.
CL = Load capacitance including jig and probe capacitance.
RT = Termination resistance should be equal to output impedance Zo of the pulse generator.
Test circuit for measuring switching times
Table 9. Test data
Type
Input
74HC7014
VI
GND to VCC
tr, tf
6 ns
Test
tPHL, tPLH
open
74HC7014
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 3 â 30 April 2014
© NXP Semiconductors N.V. 2014. All rights reserved.
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