74HC1G14 Datasheet, PDF (6/14 Pages) NXP Semiconductors – Inverting Schmitt-trigger

NXP Semiconductors
13. Waveforms
74HC1G14; 74HCT1G14
Inverting Schmitt trigger
A input
Y output
V_M
t_PHL
V_M
Measurement points are given in Table 9.
Fig 5. The input (A) to output (Y) propagation delays
Table 9. Measurement points
Type number
Input
74HC1G14
74HCT1G14
V_I
GND to V_CC
GND to 3.0 V
V_M
0.5 × V_CC
1.5 V
t_PLH
mna033
Output
V_M
0.5 × V_CC
0.5 × V_CC
PULSE
VI
GENERATOR
V_CC
VO
DUT
RT
CL
50 pF
mna034
Test data is given in Table 8. Definitions for test circuit:
C_L = Load capacitance including jig and probe capacitance.
R_T = Termination resistance should be equal to output impedance Z_o of the pulse generator.
Fig 6. Load circuitry for switching times
74HC_HCT1G14_4
Product data sheet
Rev. 04 — 17 July 2007
© NXP B.V. 2007. All rights reserved.
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