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74ABT16240A Datasheet, PDF (9/14 Pages) NXP Semiconductors – 16-bit inverting buffer/driver 3-State
NXP Semiconductors
12. Test information
74ABT16240A
16-bit inverting buffer/line driver; 3-state
tW
VI 90 %
negative
pulse
VM
10 %
0V
tf
tr
VI
positive
pulse
90 %
VM
10 %
0V
tW
VM = 1.5 V.
a. Input pulse definition
90 %
VM
tr
tf
VM
10 %
001aac221
PULSE
VI
GENERATOR
VCC
VO
DUT
RT
VEXT
RL
CL RL
001aac764
Test data is given in Table 8.
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.
b. Test circuit for 3-state outputs
Fig 6. Load circuitry for switching times
Table 8.
Input
VI
3.0 V
Test data
fi
1 MHz
tW
500 ns
tr, tf
2.5 ns
Load
CL
50 pF
RL
500 Ω
VEXT
tPHZ, tPZH
open
tPLZ, tPZL
7.0 V
tPLH, tPHL
open
74ABT16240A_4
Product data sheet
Rev. 04 — 25 March 2009
© NXP B.V. 2009. All rights reserved.
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