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 21 of 24
NXP Semiconductors
PCA9509
Level translating I
2
C-bus/SMBus repeater
16. Revision history
Table 10. Revision history
Document ID Release date Data sheet status Change notice Supersedes
PCA9509 v.7 20141104 Product data sheet - PCA9509 v.6
Modifications:
• Section 1 “General description”:
– First paragraph, third sentence changed from “Port A allows a voltage range from 1.0 V (as low as
0.95 V in special cases) to V
CC(B)
1.0 V” to “Port A allows a voltage range from 1.35 V to
V
CC(B)
1.0 V”
– Added (new) second paragraph
• Section 2 “Features and benefits”:
– Second bullet item: changed from “1 V [0.95 V in special cases]” to “1.35 V”
– Tenth bullet item: changed from “1 V (0.95 V in special cases)” to “1.35 V”
• Section 6 “Functional description”, second paragraph: changed from “1.0 V (as low as 0.95 V in
special cases)” to “1.35 V”
• Section 7 “Application design-in information”, first paragraph, second sentence:
changed from “the CPU is running on a 1.1 V I
2
C-bus” to “the CPU is running on a 1.35 V I
2
C-bus”
• Figure 5 “Typical application” updated: changed from “1.1 V” to “1.35 V” (2 places)
• Table 5 “Static characteristics”:
– sub section “Supplies”: V
CC(A)
Min value changed from “1.0 V” to “1.35 V”; added new line for
PCA9509D and PCA9509DP
– sub section “Input and output of port A (A1 to A2)”: V
OL
:
deleted Condition “V
CC(A)
= 0.95 V to 1.2 V”
– sub section “Input and output of port A (A1 to A2)”: V
OL
: Condition changed
from “V
CC(A)
= > 1.2 V to (V
CC(B)
1 V)” to “V
CC(A)
= > 1.35 V to (V
CC(B)
1V)”
– sub section “Input and output of port A (A1 to A2)”: I
LOH
: Condition changed from “V
O
=1.1V”
to “V
O
=1.35V”
– Table note [1] changed from “V
CC(A)
= 1.1 V” to “V
CC(A)
= 1.35 V”
• Table 6 “Dynamic characteristics”: first sub heading changed from “V
CC(A)
= 1.1 V; V
CC(B)
= 3.3 V”
to “V
CC(A)
= 1.35 V; V
CC(B)
= 3.3 V”
PCA9509 v.6 20130805 Product data sheet - PCA9509 v.5
PCA9509 v.5 20090710 Product data sheet - PCA9509 v.4
PCA9509 v.4 20090617 Product data sheet - PCA9509 v.3
PCA9509 v.3 20090611 Product data sheet - PCA9509 v.2
PCA9509 v.2 20070629 Product data sheet - PCA9509 v.1
PCA9509 v.1 20060627 Product data sheet - -
