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....................................................6
6.5 Electrical Characteristics.............................................6
6.6 I
2
C Interface Timing Requirements.............................8
6.7 Switching Characteristics............................................8
6.8 Typical Characteristics................................................9
7 Parameter Measurement Information.......................... 11
8 Detailed Description......................................................14
8.1 Functional Block Diagram......................................... 14
8.2 Device Functional Modes..........................................15
8.3 Programming............................................................ 16
9 Application Information Disclaimer............................. 22
9.1 Application Information............................................. 22
10 Power Supply Recommendations..............................24
10.1 Power-On Reset Requirements.............................. 24
11 Device and Documentation Support..........................26
11.1 Receiving Notification of Documentation Updates.. 26
11.2 Support Resources................................................. 26
11.3 Trademarks............................................................. 26
11.4 Electrostatic Discharge Caution.............................. 26
11.5 Glossary.................................................................. 26
12 Mechanical, Packaging, and Orderable
Information.................................................................... 26
3 Revision History
Changes from Revision C (May 2021) to Revision D (March 2021) Page
• Moved the "Storage temperature range" to the Absolute Maximum Ratings .................................................... 5
• Moved the "Package thermal impedance" to the Thermal Resistance Characteristic .......................................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
IH
High-level input voltage (A0, A1, A2, P7–P0) MIN value From: 5.5 V To: 0.7 x V
CC
in the
Recommended Operating Conditions ................................................................................................................5
• 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 ................................................................................................................5
• Added the Thermal Information table................................................................................................................. 6
• Changed V
PORR
in the Electrical Characteristics ...............................................................................................6
• Added V
PORF
to 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 Swirtching Characteristics ...... 8
• Changed the Typical Characteristics graphs...................................................................................................... 9
• Changed the Power Supply Recommendations .............................................................................................. 24
Changes from Revision B (August 2008) to Revision C (May 2014) Page
• Added Interrupt Errata section..........................................................................................................................16
PCA9554
ZHCSNJ2D – JULY 2006 – REVISED MARCH 2021
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