Table of Contents
1 特性................................................................................... 1
2 说明................................................................................... 1
3 Revision History.............................................................. 2
4 Pin Configuration and Functions...................................3
5 Specifications.................................................................. 4
5.1 Absolute Maximum Ratings........................................ 4
5.2 ESD Ratings............................................................... 4
5.3 Recommended Operating Conditions.........................4
5.4 Thermal Information....................................................5
5.5 Electrical Characteristics.............................................5
5.6 I
2
C Interface Timing Requirements.............................7
5.7 RESET Timing Requirements..................................... 8
5.8 Switching Characteristics............................................8
5.9 Typical Characteristics................................................ 9
6 Parameter Measurement Information.......................... 11
7 Detailed Description......................................................15
7.1 Functional Block Diagram......................................... 15
7.2 Device Functional Modes..........................................16
7.3 Programming............................................................ 17
7.4 Register Maps...........................................................19
8 Application Information Disclaimer............................. 24
8.1 Application Information Disclaimer............................24
8.2 Typical Application.................................................... 24
9 Power Supply Recommendations................................26
9.1 Power-On Reset Requirements................................ 26
10 Device and Documentation Support..........................28
10.1 接收文档更新通知................................................... 28
10.2 支持资源..................................................................28
10.3 Trademarks............................................................. 28
10.4 静电放电警告.......................................................... 28
10.5 术语表..................................................................... 28
11 Mechanical, Packaging, and Orderable
Information.................................................................... 28
3 Revision History
Changes from Revision F (May 2014) to Revision G (March 2021) Page
• 更新了说明 并添加了方框图 图像....................................................................................................................... 1
• Deleted RGV and RGT packages from the Pin Configuration and Functions section........................................3
• Moved the "Storage temperature range" to the Absolute Maximum Ratings .................................................... 4
• Moved the "Package thermal impedance" to the Thermal Resistance Characteristic .......................................4
• Changed the V
IH
High-level input voltage (SDL, SDA) Max value From: 5.5 V To: V
CC
in the Recommended
Operating Conditions ......................................................................................................................................... 4
• Changed the V
IH
High-level input voltage (A0, A1, A2, P7–P0) MIN value From: 2 V To: 0.7 x V
CC
in the
Recommended Operating Conditions ................................................................................................................4
• Changed the V
IL
Low-level input voltage (A0, A1, A2, P7–P0) MAX value From: 0.8 V To: 0.3 x V
CC
in the
Recommended Operating Conditions ................................................................................................................4
• Added the Thermal Information table................................................................................................................. 5
• Changed the V
PORR
TYP value From: 1.5 V to: 1.2 Vand the MAX value From: 1.65 V To: 1.5 V in the
Electrical Characteristics ................................................................................................................................... 5
• Added the V
PORF
row in the Electrical Characteristics .......................................................................................5
• Changed the I
OL
(INT) row TYP value Fron: 10 mA to: 7 mA in the Electrical Characteristics ..........................5
• Changed the I
CC
Standby mode values in the Electrical Characteristics ...........................................................5
• Changed the ΔI
CC
Additional current in standby mode (5.5 V) mAX value From: 1 mA To: 4 mA in the
Electrical Characteristics ................................................................................................................................... 5
• Added Note 4 to the Electrical Characteristics .................................................................................................. 5
• Changed the Typical Characteristics graphs...................................................................................................... 9
• Changed the Power Supply Recommendations .............................................................................................. 26
Changes from Revision E (September 2008) to Revision F (May 2014) Page
• Added RESET Errata section........................................................................................................................... 16
• Added Interrupt Errata section .........................................................................................................................17
PCA9538
ZHCSNJ0G – SEPTEMBER 2006 – REVISED MARCH 2021
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