Table of Contents
1 特性................................................................................... 1
2 说明................................................................................... 1
3 Revision History.............................................................. 2
4 Description (Continued)..................................................3
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....................................................5
6.5 Electrical Characteristics.............................................6
6.6 I
2
C Interface Timing Requirements.............................7
6.7 Switching Characteristics............................................7
6.8 Typical Characteristics................................................ 8
7 Parameter Measurement Information.......................... 10
8 Detailed Description......................................................13
8.1 Functional Block Diagram......................................... 13
8.2 Device Functional Modes..........................................14
8.3 Programming............................................................ 15
9 Application Information Disclaimer............................. 21
9.1 Application Information............................................. 21
10 Power Supply Recommendations..............................23
10.1 Power-On Reset Requirements.............................. 23
11 Device and Documentation Support..........................25
11.1 支持资源..................................................................25
11.2 Trademarks............................................................. 25
11.3 静电放电警告...........................................................25
11.4 术语表..................................................................... 25
12 Mechanical, Packaging, and Orderable
Information.................................................................... 25
3 Revision History
Changes from Revision E (May 2014) to Revision F (March 2021) Page
• 更改了
器件信息
表.............................................................................................................................................. 1
• Moved the Storage temperature range from the Handling Ratings table to the Absolute Maximum Ratings
table.................................................................................................................................................................... 5
• Moved the Package thermal impedance to the Thermal Information table........................................................ 5
• 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 V
IL
Low-level input voltage (A2–A0, P7–P0) Max value From: 0.8 V To: 0.3 x V
CC
in the
Recommended Operating Conditions ................................................................................................................5
• Added the Thermal Information table................................................................................................................. 5
• Changed the V
PORR
row in the Electrical Characteristics .................................................................................. 6
• Added the V
PORF
row in the Electrical Characteristics .......................................................................................6
• Changed the I
CC
Standby mode values in the Electrical Characteristics ...........................................................6
• Changed the C
i
SCL Max value From: 5 pF To: 8 pF in the Electrical Characteristics ......................................6
• Changed the C
io
SDA Max value From: 6.5 pF To: 9.5 pF in the Electrical Characteristics ..............................6
• Changed the t
pv
Output data valid MAX values From: 200 ns To 350 ns in the Switching Characteristics ....... 7
• Changed the Typical Characteristics graphs...................................................................................................... 8
• Changed the Power Supply Recommendations .............................................................................................. 23
Changes from Revision D (August 2008) to Revision E (May 2014) Page
• Added Interrupt Errata section. ........................................................................................................................15
• Added the Power-On Reset Errata section ......................................................................................................23
PCA9554A
ZHCSNM0F – SEPTEMBER 2006 – REVISED MARCH 2021
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