74AHCT1G14GV,125 데이터 시트보기 (PDF) - NXP Semiconductors.
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74AHCT1G14GV,125 Datasheet PDF : 15 Pages
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NXP Semiconductors
13. Waveforms
74AHC1G14; 74AHCT1G14
Inverting Schmitt trigger
A input
Y output
VM
tPHL
VM
The test data is given in Table 10
tPLH
mna033
Fig 5. The input (A) to output (Y) propagation delays
VCC
PULSE
VI
GENERATOR
VO
DUT
RT
CL
mna101
Test data is given in Table 9.
Definitions for test circuit:
CL = Load capacitance.
RT = Termination resistance should be equal to output
impedance Zo of the pulse generator.
Fig 6. Load circuitry for switching times
Table 10. Test data
Type number
74AHC1G14
74AHCT1G14
Input
VI
GND to VCC
GND to 3.0 V
VM
0.5 × VCC
1.5 V
13.1 Transfer characteristic waveforms
Output
VM
0.5 × VCC
0.5 × VCC
VO
VT+
VI
VH
VT−
VH
VT−
VT+
Fig 7. Transfer characteristic
VI
mna026
VO
mna027
Fig 8. The definitions of VT+, VT− and VH
74AHC_AHCT1G14_6
Product data sheet
Rev. 06 — 18 May 2009
© NXP B.V. 2009. All rights reserved.
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