Datasheet

PCA9508_1 © NXP B.V. 2008. All rights reserved.
Product data sheet Rev. 01 — 28 April 2008 12 of 21
NXP Semiconductors
PCA9508
Hot swappable level translating I
2
C-bus repeater
10.1 AC waveforms
Fig 9. Propagation delay and transition times;
B side to A side
Fig 10. Propagation delay and transition times;
A side to B side
Fig 11. Propagation delay; B side to A side
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3.0 V
1.2 V
t
PLH
t
THL
1.5 V 1.5 Vinput
output
20 %
0.6 V
0.6 V
80 %
20 %
80 %
t
PHL
t
TLH
V
OL
0.1 V
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V
CC(A)
3.0 V
t
PLH
t
THL
0.3V
CC(A)
0.3V
CC(A)
input
output
20 %
1.5 V
1.5 V
80 %
20 %
80 %
t
PHL
t
TLH
0.5 V
input
SDAB, SCLB
output
SCLA, SDAA
t
PLH
50 % if V
CC(A)
is less than 2 V
1.5 V if V
CC(A)
is greater than 2 V
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