74AHC1G79GW View Datasheet(PDF) - NXP Semiconductors.
Part Name
Description
Manufacturer
74AHC1G79GW Datasheet PDF : 12 Pages
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NXP Semiconductors
12. Waveforms
74AHC1G79; 74AHCT1G79
Single D-type flip-flop; positive-edge trigger
VI
D input
GND
VI
CP input
GND
VOH
Q output
VOL
VM
th
t su
th
t su
1/ fmax
VM
tW
t PHL
VM
t PLH
mna647
Measurement points are given in Table 9.
VOL and VOH are typical output voltage levels that occur with the output.
Fig 5. Clock (CP) to output (Q) propagation delay times, clock pulse width, D to set-up times, the CP to D hold
times and maximum clock pulse frequency
Table 9. Measurement points
Type
Inputs
74AHC1G79
74AHCT1G79
VI
GND to VCC
GND to 3.0 V
VM
0.5 × VCC
1.5 V
Output
VM
0.5 × VCC
0.5 × VCC
PULSE
VI
GENERATOR
VCC
VO
DUT
RT
CL
mna101
Test data is given in Table 8. Definitions for test circuit:
CL = Load capacitance including jig and probe capacitance.
RT = Termination resistance should be equal to output impedance Zo of the pulse generator.
Fig 6. Load circuitry for switching times
74AHC_AHCT1G79_5
Product data sheet
Rev. 05 — 2 July 2007
© NXP B.V. 2007. All rights reserved.
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