PCA9509 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2014. All rights reserved.
Product data sheet Rev. 7 — 4 November 2014 10 of 24
NXP Semiconductors
PCA9509
Level translating I
2
C-bus/SMBus repeater
10. Dynamic characteristics
[1] Load capacitance = 50 pF; load resistance on port B = 1.35 k.
[2] Value is determined by RC time constant of bus line.
Table 6. Dynamic characteristics
Symbol Parameter Conditions Min Typ Max Unit
V
CC(A)
=1.35V; V
CC(B)
=3.3V
t
PLH
LOW to HIGH propagation delay port B to port A
[1]
69 109 216 ns
t
PHL
HIGH to LOW propagation delay port B to port A
[1]
63 86 140 ns
t
TLH
LOW to HIGH output transition time port A
[1]
14 22 96 ns
t
THL
HIGH to LOW output transition time port A
[1]
58.116ns
t
PLH
LOW to HIGH propagation delay port A to port B
[1]
69 91 139 ns
t
PLH2
LOW to HIGH propagation delay 2 port A to port B; measured from
the 50 % of initial LOW on port A to
1.5 V rising on port B
[1]
91 153 226 ns
t
PHL
HIGH to LOW propagation delay port A to port B
[1]
73 122 183 ns
t
TLH
LOW to HIGH output transition time port B
[1][2]
-61-ns
t
THL
HIGH to LOW output transition time port B
[1]
15 24 40 ns
t
su
set-up time EN HIGH before START condition 100 - - ns
t
h
hold time EN HIGH after STOP condition 100 - - ns
V
CC(A)
=1.9V; V
CC(B)
=5.0V
t
PLH
LOW to HIGH propagation delay port B to port A
[1]
69 105 216 ns
t
PHL
HIGH to LOW propagation delay port B to port A
[1]
63 86 140 ns
t
TLH
LOW to HIGH output transition time port A
[1]
14 27 96 ns
t
THL
HIGH to LOW output transition time port A
[1]
5835ns
t
PLH
LOW to HIGH propagation delay port A to port B
[1]
69 89 139 ns
t
PLH2
LOW to HIGH propagation delay 2 port A to port B; measured from
the 50 % of initial LOW on port A to
1.5 V rising on port B
[1]
91 131 226 ns
t
PHL
HIGH to LOW propagation delay port A to port B
[1]
73 99 183 ns
t
TLH
LOW to HIGH output transition time port B
[1][2]
-65-ns
t
THL
HIGH to LOW output transition time port B
[1]
15 31 40 ns
t
su
set-up time EN HIGH before START condition 100 - - ns
t
h
hold time EN HIGH after STOP condition 100 - - ns
