74AHC74_08 查看數據表（PDF） - NXP Semiconductors.
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74AHC74_08 Datasheet PDF : 18 Pages
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NXP Semiconductors
11. Waveforms
74AHC74; 74AHCT74
Dual D-type flip-flop with set and reset; positive-edge trigger
VI
nD input
GND
VI
nCP input
GND
VOH
nQ output
VOL
VOH
nQ output
VOL
VM
th
t su
th
t su
1/fmax
VM
tW
t PHL
VM
t PLH
VM
t PLH
t PHL
mna422
Fig 7.
Measurement points are given in Table 8.
The shaded areas indicate when the input is permitted to change for predictable output performance.
VOL and VOH are typical voltage output drop that occur with the output load.
Clock pulse width, maximum frequency, set-up times, hold times and input to output propagation delays
74AHC_AHCT74_5
Product data sheet
Rev. 05 — 9 June 2008
© NXP B.V. 2008. All rights reserved.
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