Datasheet

PCA9518A_3 © NXP B.V. 2008. All rights reserved.
Product data sheet Rev. 03 — 3 December 2008 15 of 23
NXP Semiconductors
PCA9518A
Expandable 5-channel I
2
C-bus hub
11. Test information
R
L
= load resistor; 1.1 kΩ for I
2
C-bus, and 500 Ω for EXPxxxn.
C
L
= load capacitance includes jig and probe capacitance; 100 pF for I
2
C-bus, and 100 pF for
EXPxxxn.
R
T
= termination resistance should be equal to Z
o
of the pulse generators.
Fig 8. Test circuit for open-drain outputs
PULSE
GENERATOR
V
O
C
L
R
L
002aac532
R
T
V
I
V
DD
V
DD
DUT