NXP Semiconductors
PCA9521
Fast dual bidirectional bus buffer
4.5
voltage
(V)
3.5
2.5
1.5
002aaf285
4.5
voltage
(V)
3.5
(2)
(2)
2.5
(1)
(1)
1.5
002aaf286
0.5
0.5
−0.5
horizontal scale = 40 ns/div
(1) Input 33 pF
(2) Output 120 pF
Fig 8. Rise time (4 mA pull-up)
time (ns)
−0.5
horizontal scale = 40 ns/div
(1) Input 33 pF
(2) Output 120 pF
Fig 9. Fall time (4 mA pull-up)
time (ns)
PCA9521
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 2 — 19 March 2013
© NXP B.V. 2013. All rights reserved.
7 of 23