Datasheet

PCA9509P All information provided in this document is subject to legal disclaimers. © NXP B.V. 2013. All rights reserved.
Product data sheet Rev. 3 — 19 July 2013 12 of 25
NXP Semiconductors
PCA9509P
Low power level translating I
2
C-bus/SMBus repeater
10.1 AC waveforms
10.2 Performance curves
Fig 7. Propagation delay times and slew rate;
port B to port A
Fig 8. Propagation delay times and slew rate;
port A to port B
Fig 9. Propagation delay from the port A’s external driver switching off to port B LOW-to-HIGH transition;
port A to port B
002aag139
V
CC(B)
V
CC(A)
t
PLH
SR
f
0.5V
CC(B)
0.5V
CC(B)
input
output
30 %
0.5V
CC(A)
0.5V
CC(A)
70 %
30 %
70 %
t
PHL
SR
r
V
OL
0.1 V
002aag140
V
CC(A)
V
CC(B)
t
PLH
SR
f
0.5V
CC(A)
0.5V
CC(A)
input
output
0.5V
CC(B)
0.5V
CC(B)
30 %
70 %
t
PHL
t
PLH2
input
port A
output
port B
002aaf976
0.15V
CC(A)
0.5V
CC(B)
0.5V
CC(A)
t
PLH
V
CC(A)
= 1.1 V; V
CC(B)
=3.3V
(1) Port A t
PHL
(2) Port A t
PLH
(3) Port B t
PLH2
(4) Port B t
PHL
V
CC(A)
= 1.1 V; V
CC(B)
=3.3V
Fig 10. Typical propagation delay versus
ambient temperature
Fig 11. Typical port B LOW to HIGH propagation delay
versus ambient temperature
180
time
(ns)
80
T
amb
(°C)
−50 125
002aag178
1007550250−25
100
120
140
160
(1)
(2)
(4)
(3)
−102
t
PLH
(ns)
−118
T
amb
(°C)
−50 125
002aag179
1007550250−25
−114
−110
−106