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74AUP1G17 Datasheet, PDF (9/20 Pages) NXP Semiconductors – Low-power Schmitt-trigger buffer
NXP Semiconductors
12. Waveforms
74AUP1G17
Low-power Schmitt trigger
VI
A input
GND
VOH
Y output
VOL
VM
t PHL
VM
t PLH
mnb153
Measurement points are given in Table 9.
Logic levels: VOL and VOH are typical output voltage levels that occur with the output load.
Fig 7. The data input (A) to output (Y) propagation delays
Table 9. Measurement points
Supply voltage
Output
Input
VCC
0.8 V to 3.6 V
VM
VM
VI
0.5 × VCC
0.5 × VCC
VCC
tr = tf
≤ 3.0 ns
VCC
VEXT
5 kΩ
G
VI
VO
DUT
RT
CL
RL
001aac521
Test data is given in Table 10.
Definitions for test circuit:
RL = Load resistance.
CL = Load capacitance including jig and probe capacitance.
RT = Termination resistance should be equal to the output impedance Zo of the pulse generator.
VEXT = External voltage for measuring switching times.
Fig 8. Load circuitry for switching times
Table 10. Test data
Supply voltage Load
VCC
0.8 V to 3.6 V
CL
RL[1]
5 pF, 10 pF, 15 pF and 30 pF 5 kΩ or 1 MΩ
VEXT
tPLH, tPHL
open
tPZH, tPHZ
GND
tPZL, tPLZ
2 × VCC
[1] For measuring enable and disable times RL = 5 kΩ, for measuring propagation delays, setup and hold times and pulse width RL = 1 MΩ.
74AUP1G17_3
Product data sheet
Rev. 03 — 10 July 2009
© NXP B.V. 2009. All rights reserved.
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