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PCA9515DP Datasheet PDF : 16 Pages
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NXP Semiconductors
PCA9515
I2C-bus repeater
10. Dynamic characteristics
Table 6. Dynamic characteristics
VCC = 3.0 V to 3.6 V; GND = 0 V; Tamb = −40 °C to +85 °C; unless otherwise specified.
Symbol Parameter
Conditions
Min
Typ
Max Unit
tPHL
HIGH to LOW propagation delay
Figure 7
57
98
170
ns
tPLH
LOW to HIGH propagation delay
Figure 7
33
55
78
ns
tTHL
HIGH to LOW output transition time Figure 7
-
67
-
ns
tTLH
LOW to HIGH output transition time Figure 7
[1] -
135
-
ns
tsu
set-up time
EN to START condition
100
-
-
ns
th
hold time
EN after STOP condition
100
-
-
ns
[1] The tTLH transition time is specified with loads of 1.35 kΩ pull-up resistance and 7 pF load capacitance, plus an additional 50 pF load
capacitance. Different load resistance and capacitance will alter the RC time constant, thereby changing the propagation delay and
transition times.
input
1.5 V
tPHL
output
80 %
1.5 V
20 %
tTHL
1.5 V
tPLH
3.3 V
0.1 V
1.5 V
20 %
80 %
3.3 V
tTLH
VOL
002aad478
Fig 7. Propagation delay and transition times
11. Test information
PULSE
VI
GENERATOR
VCC
DUT
VCC
RL
VO
RT
CL
002aad479
Fig 8.
RL = load resistor; 1.35 kΩ.
CL = load capacitance includes jig and probe capacitance; 7 pF.
RT = termination resistance should be equal to Zo of pulse generators.
Test circuit for open-drain outputs
PCA9515_9
Product data sheet
Rev. 09 — 23 April 2009
© NXP B.V. 2009. All rights reserved.
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