Datasheet

PCA9509A All information provided in this document is subject to legal disclaimers. © NXP B.V. 2013. All rights reserved.
Product data sheet Rev. 2 — 17 July 2013 13 of 25
NXP Semiconductors
PCA9509A
Low power level translating I
2
C-bus/SMBus repeater
T
amb
=27C; V
CC(B)
=3.3V T
amb
=27C; V
CC(B)
=3.3V
Fig 14. Typical port B to port A propagation delay
versus port A supply voltage
Fig 15. Typical port A to port B propagation delay
versus port A supply voltage
T
amb
=27C; V
CC(B)
=3.3V T
amb
=27C; V
CC(B)
=3.3V
(1) Slew rate of falling signal, port B
(2) Slew rate of rising signal, port B
(3) Slew rate of falling signal, port A
(4) Slew rate of rising signal, port A
Fig 16. Typical port A to port B LOW to HIGH
propagation delay versus port A supply
voltage
Fig 17. Typical slew rate versus port A supply voltage
120
160
180
time
(ns)
V
CC(A)
(V)
0.8 1.50.9
002aag147
1.0 1.2 1.3 1.41.1
140
t
PHL
t
PLH
90
130
150
time
(ns)
V
CC(A)
(V)
0.8 1.50.9
002aag148
1.0 1.2 1.3 1.41.1
110
t
PHL
t
PLH2
−180
−140
−120
t
PLH
(ns)
V
CC(A)
(V)
0.8 1.50.9
002aag149
1.0 1.2 1.3 1.41.1
−160
0
0.04
0.06
SR
(V/ns)
V
CC(A)
(V)
0.8 1.50.9
002aag150
1.0 1.2 1.3 1.41.1
0.02
(1)
(2)
(3)
(4)