74LVT574PW Просмотр технического описания (PDF) - NXP Semiconductors.
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74LVT574PW Datasheet PDF : 16 Pages
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NXP Semiconductors
74LVT574; 74LVTH574
3.3 V octal D-type flip-flop; 3-state
Table 8.
Input
VM
1.5 V
Measurement points
Output
VM
1.5 V
VX
VOL + 0.3 V
VY
VOH − 0.3 V
tW
VI 90 %
negative
pulse
VM
10 %
0V
tf
VI
positive
pulse
tr
90 %
VM
10 %
0V
tW
VM
tr
tf
VM
VCC
VI
PULSE
GENERATOR
VO
DUT
RT
VEXT
RL
CL
RL
001aae235
Test data is given in Table 9.
Definitions test circuit:
RL = Load resistance.
CL = Load capacitance including jig and probe capacitance.
RT = Termination resistance should be equal to output impedance Zo of the pulse generator.
VEXT = Test voltage for switching times.
Fig 10. Load circuitry for switching times
Table 9.
Input
VI
2.7 V
Test data
fi
≤ 10 MHz
tW
500 ns
tr, tf
≤ 2.5 ns
Load
CL
50 pF
RL
500 Ω
VEXT
tPHZ, tPZH
GND
tPLZ, tPZL
6V
tPLH, tPHL
open
74LVT_LVTH574_4
Product data sheet
Rev. 04 — 11 September 2008
© NXP B.V. 2008. All rights reserved.
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