Datasheet

PCA9527_1 © NXP B.V. 2009. All rights reserved.
Product data sheet Rev. 01 — 29 June 2009 15 of 22
NXP Semiconductors
PCA9527
3-channel bidirectional bus extender for HDMI, I
2
C-bus and SMBus
10.1 AC waveforms
11. Test information
Fig 13. t
PHL
propagation delay and transition times;
SCLB/SDAB to SCLA/SDAA
Fig 14. Propagation delay and transition times;
SCLA/SDAA to SCLB/SDAB
(1) CECA output has 0.3V
CC(B)
reference.
Fig 15. t
PLH
propagation delay; B inputs to A inputs Fig 16. Propagation delay and transition times;
CEC in to CEC out
002aae449
V
CC(B)
V
CC(A)
t
THL
0.3V
CC(B)
input
output
20 %
0.3V
CC(A)
80 %
20 %
80 %
t
PHL
t
TLH
V
OL
0.1 V
002aad433
V
CC(A)
V
CC(B)
t
PLH
t
THL
0.3V
CC(A)
0.3V
CC(A)
input
output
20 %
0.3V
CC(B)
0.3V
CC(B)
80 %
20 %
80 %
t
PHL
t
TLH
0.5 V
input
SDAB, SCLB,
CECB
output
SCLA, SDAA,
CECA
t
PLH
002aae460
0.3V
CC(A)
(1)
002aae450
V
CC(B)
V
CC(B)
t
PLH
t
THL
0.3V
CC(B)
0.3V
CC(B)
input
output
20 %
0.3V
CC(B)
0.3V
CC(B)
80 %
20 %
80 %
t
PHL
t
TLH
R
L
= load resistor; 1.35 kΩ on port B (2.7 V to 5 V) and 1.5 kΩ on port A (5.0 V).
C
L
= load capacitance includes jig and probe capacitance; 57 pF.
R
T
= termination resistance should be equal to Z
o
of pulse generators.
Fig 17. Test circuit for open-drain outputs
PULSE
GENERATOR
V
O
C
L
R
L
002aab649
R
T
V
I
V
CC(B)
V
CC(B)
DUT
V
CC(A)