ZHCSJK2O October 2004 – September 2023 PCA9306
PRODUCTION DATA
- 1
- 1 特性
- 2 应用
- 3 说明
- 4 Revision History
- 5 Pin Configuration and Functions
-
6 Specifications
- 6.1 Absolute Maximum Ratings
- 6.2 ESD Ratings
- 6.3 Recommended Operating Conditions
- 6.4 Thermal Information
- 6.5 Electrical Characteristics
- 6.6 Switching Characteristics AC Performance (Translating Down) (EN = 3.3 V)
- 6.7 Switching Characteristics AC Performance (Translating Down) (EN = 2.5 V)
- 6.8 Switching Characteristics AC Performance (Translating Up) (EN = 3.3 V)
- 6.9 Switching Characteristics AC Performance (Translating Up) (EN = 2.5 V)
- 6.10 Typical Characteristics
- 7 Parameter Measurement Information
-
8 Detailed Description
- 8.1
Overview
- 8.1.1 Definition of threshold voltage
- 8.1.2 Correct Device Set Up
- 8.1.3 Disconnecting an I2C target from the Main I2C Bus Using the EN Pin
- 8.1.4 Supporting Remote Board Insertion to Backplane with PCA9306
- 8.1.5 Switch Configuration
- 8.1.6 Controller on Side 1 or Side 2 of Device
- 8.1.7 LDO and PCA9306 Concerns
- 8.1.8 Current Limiting Resistance on VREF2
- 8.2 Functional Block Diagram
- 8.3 Feature Description
- 8.4 Device Functional Modes
- 8.1
Overview
- 9 Application and Implementation
- 10Power Supply Recommendations
- 11Layout
- 12Device and Documentation Support
- Mechanical, Packaging, and Orderable Information
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订购信息
8.1.6 Controller on Side 1 or Side 2 of Device
I2C and SMBus are bidirectional protocol meaning devices on the bus can both transmit and receive data. PCA9306 was designed to allow for signals to be able to be transmitted from either side, thus allowing for the controller to be able to placed on either side of the device. Figure 8-7 shows the controller on side two as opposed to the diagram on page 1 of this data sheet.
Figure 8-7 Controller on side 2 of PCA9306