Datasheet

PCA9511A_4 © NXP B.V. 2009. All rights reserved.
Product data sheet Rev. 04 — 19 August 2009 22 of 24
NXP Semiconductors
PCA9511A
Hot swappable I
2
C-bus and SMBus bus buffer
16. Revision history
Table 9. Revision history
Document ID Release date Data sheet status Change notice Supersedes
PCA9511A_4 20090819 Product data sheet - PCA9511A_3
Modifications:
• Section 8.8 “Resistor pull-up value selection”, 2
nd
paragraph, 1
st
sentence: changed from
“... always choose R ≤ 16 kΩ for V
CC
= 5.5 V maximum, R ≤ 24 kΩ for V
CC
= 3.6 V maximum.”
to “... always choose R ≤ 65.7 kΩ for V
CC
= 5.5 V maximum, R ≤ 45 kΩ for V
CC
= 3.6 V
maximum.”
• Figure 5 “Bus requirements for 3.3 V systems” updated:
– changed from “rise time > 300 ns” to “rise time = 300 ns”
– changed from “rise time < 20 ns” to “rise time = 20 ns”
• Figure 6 “Bus requirements for 5 V systems” updated:
– changed from “rise time > 300 ns” to “rise time = 300 ns”
– changed from “rise time < 20 ns” to “rise time = 20 ns”
PCA9511A_3 20090720 Product data sheet - PCA9511A_2
PCA9511A_2 20090528 Product data sheet - PCA9511A_1
PCA9511A_1
(9397 750 13269)
20050815 Product data sheet - -