PCA9557 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2013. All rights reserved.
Product data sheet Rev. 7 — 10 December 2013 27 of 30
NXP Semiconductors
PCA9557
8-bit I
2
C-bus and SMBus I/O port with reset
17. Abbreviations
18. Revision history
Table 14. Abbreviations
Acronym Description
CBT Cross Bar Technology
CDM Charged-Device Model
CMOS Complementary Metal-Oxide Semiconductor
ESD ElectroStatic Discharge
HBM Human Body Model
I
2
C-bus Inter-Integrated Circuit bus
I/O Input/Output
LED Light-Emitting Diode
MM Machine Model
PCB Printed-Circuit Board
POR Power-On Reset
SMBus System Management Bus
Table 15. Revision history
Document ID Release date Data sheet status Change notice Supersedes
PCA9557 v.7 20131210 Product data sheet - PCA9557 v.6
Modifications:
• Section 2 “Features and benefits”, 17th bullet item: deleted phrase “150 V MM per JESD22-A115”
• Table 1 “Ordering information”: added column ‘Topside marking’ (moved from Table 2)
• Table 2 “Ordering options”:
– deleted column ‘Topside mark’ (moved to Table 1
)
– added columns ‘Orderable part number’, ‘Package’, ‘Packing method’ and ‘Minimum order
quantity’
• Table 10 “Static characteristics”, sub-section “Input SCL; input/output SDA”:
– I
OL
: added “V
DD
= 2.3 V” to Conditions
• Table 10 “Static characteristics”, sub-section “I/Os”:
– I
OL
: added “V
OL
=0.55V; V
DD
= 2.3 V” to Conditions
• Table 11 “Dynamic characteristics”, t
VD;DAT
: Unit corrected from “ms” to “s” (this is a correction to
documentation only, no change to device)
• Added Section 16 “Soldering: PCB footprints”
PCA9557 v.6 20080611 Product data sheet - PCA9557 v.5
PCA9557 v.5 20070912 Product data sheet - PCA9557 v.4
PCA9557 v.4
(9397 750 13336)
20041124 Product data sheet - PCA9557 v.3
PCA9557 v.3
(9397 750 10872)
20021213 Product data ECN 853-2308 29160
of 06 Nov 2002
PCA9557 v.2
PCA9557 v.2
(9397 750 09819)
20020513 Product data ECN 853-2308 28188
of 13 May 2002
PCA9557 v.1
PCA9557 v.1 20011212 Product data ECN 853-2308 27449
of 12 Dec 2001
-
