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74VHC14D,118 View Datasheet(PDF) - NXP Semiconductors.

Part Name
Description
Manufacturer
74VHC14D,118
NXP
NXP Semiconductors. NXP
74VHC14D,118 Datasheet PDF : 16 Pages
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NXP Semiconductors
11. Waveforms
74VHC14; 74VHCT14
Hex inverting Schmitt trigger
VI
nA input
GND
VOH
nY output
VOL
VM
t PHL
VM
VM
t PLH
VM
mna344
Fig 6.
Measurement points are given in Table 8.
VOL and VOH are typical voltage output levels that occur with the output load.
Input to output propagation delays
Table 8. Measurement points
Type
74VHC14
74VHCT14
Input
VM
0.5VCC
1.5 V
Output
VM
0.5VCC
0.5VCC
VI 90 %
negative
pulse
GND
VI
positive
pulse
GND 10 %
VM
10 %
tf
tr
90 %
VM
VI
G
RT
tW
tW
VCC
DUT
VM
tr
tf
VM
VO
CL
001aah768
Fig 7.
Test data is given in Table 9.
Definitions test circuit:
RT = Termination resistance should be equal to output impedance Zo of the pulse generator
CL = Load capacitance including jig and probe capacitance
Load circuitry for measuring switching times
74VHC_VHCT14_1
Product data sheet
Rev. 01 — 17 August 2009
© NXP B.V. 2009. All rights reserved.
7 of 16
 

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