SCPS270
August 2020 – MONTH
TCA4307
PRODUCTION DATA
1
Features
2
Applications
3
Description
4
Revision History
5
Pin Configuration and Functions
Pin 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
Timing Requirements
6.7
Switching Characteristics
6.8
Typical Characteristics
7
Parameter Measurement Information
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Hot bus insertion
8.3.2
Pre-charge voltage
8.3.3
Rise time accelerators
8.3.4
Bus ready output indicator
8.3.5
Powered-off high impedance for I2C and I/O pins
8.3.6
Supports clock stretching and arbitration
8.3.7
Stuck bus recovery
8.4
Device Functional Modes
8.4.1
Start-up and precharge
8.4.2
Bus idle
8.4.3
Bus active
8.4.4
Bus stuck
9
Application and Implementation
9.1
Application Information
9.2
Typical Application
9.2.1
Design Requirements
9.2.1.1
Series connections
9.2.1.2
Multiple connections to a common node
9.2.1.3
Propagation delays
9.2.2
Detailed Design Procedure
9.2.3
Application Curves
9.2.4
Typical Application on a Backplane
9.2.4.1
Design Requirements
9.2.4.2
Detailed Design Procedure
10
Power Supply Recommendations
10.1
Power Supply Best Practices
10.2
Power-on Reset Requirements
11
Layout
11.1
Layout Guidelines
11.2
Layout Example
12
Device and Documentation Support
12.1
Receiving Notification of Documentation Updates
12.2
Support Resources
12.3
Trademarks
12.4
Electrostatic Discharge Caution
12.5
Glossary
Package Options
Mechanical Data (Package|Pins)
DGK|8
MPDS028D
Thermal pad, mechanical data (Package|Pins)
DGK|8
QFND519
Orderable Information
scps270_oa
scps270_pm
1
Features
Supports bidirectional data transfer of I
2
C bus signals
Operating power-supply voltage range of 2.3 V to 5.5 V
T
A
ambient air temperature range of
-40 °C to 125 °C
Stuck bus recovery featuring automatic bus recovery
1-V Precharge on all SDA and SCL lines prevents corruption during live insertion
Accommodates standard mode and fast mode I
2
C devices
Supports clock stretching, arbitration and synchronization
Powered-off high-impedance I
2
C pins