Table of Contents
1 特性................................................................................... 1
2 应用................................................................................... 1
3 说明................................................................................... 1
4 Revision History.............................................................. 2
5 Pin Configuration and Functions...................................3
6 Specifications.................................................................. 4
6.1 Absolute Maximum Ratings........................................ 4
6.2 ESD Ratings............................................................... 4
6.3 Recommended Operating Conditions.........................4
6.4 Thermal Information....................................................5
6.5 Electrical Characteristics.............................................5
6.6 I
2
C Interface Timing Requirements.............................7
6.7 Switching Characteristics............................................8
6.8 Interrupt and Reset Timing Requirements.................. 8
7 Parameter Measurement Information............................ 9
8 Detailed Description...................................................... 11
8.1 Overview................................................................... 11
8.2 Functional Block Diagram......................................... 11
8.3 Feature Description...................................................12
8.4 Device Functional Modes..........................................12
8.5 Programming............................................................ 12
8.6 Control Register........................................................ 14
9 Application and Implementation.................................. 17
9.1 Application Information............................................. 17
9.2 Typical Application.................................................... 17
10 Power Supply Recommendations..............................20
10.1 Power-On Reset Requirements.............................. 20
11 Layout........................................................................... 22
11.1 Layout Guidelines................................................... 22
11.2 Layout Example...................................................... 22
12 Device and Documentation Support..........................23
12.1 Receiving Notification of Documentation Updates..23
12.2 Support Resources................................................. 23
12.3 Trademarks............................................................. 23
12.4 Electrostatic Discharge Caution..............................23
12.5 Glossary..................................................................23
13 Mechanical, Packaging, and Orderable
Information.................................................................... 23
4 Revision History
Changes from Revision A (April 2014) to Revision B (march 2021) Page
• 在
器件信息
表中添加了 SOIC 封装.....................................................................................................................1
• Deleted Package thermal impedance from the Absolute Maximum Ratings .....................................................4
• Moved the "Storage temperature range" to the Absolute Maximum Ratings .................................................... 4
• Changed the PW package values in the Thermal Information .......................................................................... 5
• Added D package values to the Thermal Information ........................................................................................5
• Changed the V
PORR
row in the Electrical Characteristics .................................................................................. 5
• Added V
PORF
row to the Electrical Characteristics ............................................................................................ 5
• Changed the I
CC
Low inputs and High inputs values in the Electrical Characteristics .......................................5
• Changed the C
i
SCL values in the Electrical Characteristics ............................................................................ 5
• Changed the R
on
(4.5 V to 5.5 V) TYP value From: 9 Ω To: 10 Ω in the Electrical Characteristics ................. 5
• Changed the R
on
(3 V to 3.6 V) TYP value From: 11 Ω To: 13 Ω in the Electrical Characteristics .................. 5
• Changed Pass-Gate Voltage (V
pass
) vs Supply Voltage (V
CC
) at Three Temperature Points ..........................19
• Changed the Power Supply Recommendations .............................................................................................. 20
Changes from Revision * (September 2007) to Revision A (April 2014) Page
• 删除了“订购信息”表........................................................................................................................................1
PCA9543A
ZHCSNJ4B – SEPTEMBER 2007 – REVISED MARCH 2021
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