PCA9541_7 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2015. All rights reserved.
Product data sheet Rev. 7.1 — 24 June 2015 39 of 42
NXP Semiconductors
PCA9541
2-to-1 I
2
C-bus master selector with interrupt logic and reset
18. Revision history
Table 21. Revision history
Document ID Release date Data sheet status Change notice Supersedes
PCA9541_7.1 20150624 Product data sheet - PCA9541_7
Modifications:
• Updated Figure 17
PCA9541_7 20090702 Product data sheet - PCA9541_6
Modifications:
• Type numbers PCA9541D//02, PCA9541PW/02 and PCA9541BS/02 are withdrawn; this affects:
– Section 1 “
General description”, 2
nd
paragraph modified; (old) 11
th
paragraph deleted
– Section 2 “
Features and benefits”, (old) 4
th
bullet item deleted
– Table 1 “
Ordering information” modified
– Table 2 “
Marking codes” modified
– Figure 2, Figure 3 and Figure 4 modified
– Table 6 “
Register 0 - Interrupt Enable (IE) register bit description”, Table note [1] modified
– Table 8 “
Register 1 - Control Register (B1:B0 = 01b) bit description”, Table note [1] modified
– Table 11 “Default Control Register values” modified
– Table 14 “
Register 2 - Interrupt Status (ISTAT) register bit description”, Table note [1] modified
– Section 8.5 “
Power-on reset”, (old) 2
nd
bullet item deleted
– Section 8.6 “External reset”, (old) 2
nd
bullet item deleted
– Section 10.2 “
High reliability systems”, 1
st
paragraph modified
• (Old) Table 16 “Static characteristics (2.3 V to 3.6 V)” and (old) Table 17 “Static characteristics
(3.6 V to 5.5 V)” are merged.
• Table 16 “Static characteristics”, sub-section “Supply”:
– I
stb
(Typ) at condition V
DD
= 2.3 V to 3.6 V changed from “10 A” to “30 A”
– I
stb
(Max) at condition V
DD
= 2.3 V to 3.6 V changed from “100 A” to “80 A”
– I
stb
(Typ) at condition V
DD
= 3.6 V to 5.5 V changed from “10 A” to “40 A”
– I
stb
(Max) at condition V
DD
= 3.6 V to 5.5 V changed from “200 A” to “100 A”
• Table 16 “Static characteristics”, sub-section “Input SCL_MSTn; input/output SDA_MSTn
(upstream and downstream channels):
– for condition V
DD
= 3.6 V to 5.5 V, deleted I
IL
and I
IH
specifications (was in old Table 17)
• Table 16 “Static characteristics”, sub-section “Select inputs A0 to A3, INT_IN, RESET”:
– for condition V
DD
= 3.6 V to 5.5 V, I
LI
(Max) changed from “+50 A” to “+1 A” (from old
Table 17)
• Table 16 “Static characteristics”, sub-section “Pass gate”:
– for condition V
DD
= 3.6 V to 5.5 V, I
L
(Max) changed from +100 A to +1 A (was in old
Table 17)
• Figure 25 “Definition of RESET timing” modified:
– changed signal name from “LEDx” to “INTn
”
– deleted “LED off”
PCA9541_6 20080911 Product data sheet - PCA9541_5
PCA9541_5 20071001 Product data sheet - PCA9541_4
PCA9541_4 20060104 Product data sheet - PCA9541_3
PCA9541_3
(9397 750 14746)
20050713 Product data sheet - PCA9541_2
PCA9541_2
(9397 750 13629)
20041001 Product data sheet - PCA9541_1
