Table of Contents
1 特性................................................................................... 1
2 应用................................................................................... 1
3 说明................................................................................... 1
4 Revision History.............................................................. 2
5 Pin Configuration and Functions...................................4
6 Specifications.................................................................. 5
6.1 Absolute Maximum Ratings........................................ 5
6.2 ESD Ratings............................................................... 5
6.3 Recommended Operating Conditions.........................5
6.4 Thermal Information....................................................6
6.5 Electrical Characteristics.............................................7
6.6 I
2
C Interface Timing Requirements.............................7
6.7 Switching Characteristics............................................8
6.8 Typical Characteristics................................................9
7 Parameter Measurement Information.......................... 12
8 Detailed Description......................................................14
8.1 Overview................................................................... 14
8.2 Functional Block Diagram......................................... 14
8.3 Device Features........................................................15
8.4 Device Functional Modes..........................................16
8.5 Programming............................................................ 17
9 Application Information Disclaimer............................. 24
9.1 Application Information............................................. 24
10 Power Supply Recommendations..............................27
10.1 Power-On Reset Requirements.............................. 27
11 Layout........................................................................... 29
11.1 Layout Guidelines................................................... 29
11.2 Layout Example...................................................... 29
12 Device and Documentation Support..........................30
12.1 Receiving Notification of Documentation Updates..30
12.2 Support Resources................................................. 30
12.3 Trademarks.............................................................30
12.4 Electrostatic Discharge Caution..............................30
12.5 Glossary..................................................................30
13 Mechanical, Packaging, and Orderable
Information.................................................................... 30
4 Revision History
Changes from Revision I (April 2019) to Revision J (March 2021) Page
• Changed the V
IH
High-level input voltage (SDL, SDA) Max value From: 5.5 V To: V
CC
in the Recommended
Operating Conditions ......................................................................................................................................... 5
• Changed the values for the DB, PW, and RGE packages in the Thermal Information table.............................. 6
• Changed the V
PORR
row in the Electrical Characteristics .................................................................................. 7
• Added the V
PORF
row in the Electrical Characteristics .......................................................................................7
• Changed the I
CC
Standby mode (High Inputs) values in the Electrical Characteristics .....................................7
• Changed the C
i
SCL Max value From: 7 pF To: 8 pF in the Electrical Characteristics ......................................7
• Changed the C
io
SDA Max value From: 7 pF To: 9.5 pF in the Electrical Characteristics .................................7
• Changed the Typical characteristic graphs.........................................................................................................9
• Changed the Power Supply Recommendations .............................................................................................. 27
Changes from Revision H (April 2019) to Revision I (April 2019) Page
• Changed the I
2
C Interface Timing Requirements table...................................................................................... 7
Changes from Revision G (March 2018) to Revision H (April 2019) Page
• 更改了
器件信息
表.............................................................................................................................................. 1
• Added the DW package to the Thermal Information table..................................................................................6
Changes from Revision F (June 2014) to Revision G (March 2018) Page
• 添加了应用 列表..................................................................................................................................................1
• Removed the Thermal Information from the Absolute Maximum Ratings ......................................................... 5
• Added Storage temperature range to the Absolute Maximum Ratings ............................................................. 5
• Changed the Handling Ratings table to the ESD Ratings table..........................................................................5
• Added the Thermal Information table ................................................................................................................ 6
• Added the Design Requirements section ........................................................................................................ 25
• Added the Application Curves section ............................................................................................................. 26
• Added the Layout section ................................................................................................................................ 29
PCA9555
ZHCSHU7J – AUGUST 2005 – REVISED MARCH 2021
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