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TCA9617A Level-Translating FM+ I2C Bus Repeater
SCPS244C
June 2013 – January 2024
TCA9617A
PRODUCTION DATA
CONTENTS
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TCA9617A Level-Translating FM+ I2C Bus Repeater
1
1
Features
2
Applications
3
Description
4
Pin Configuration and Functions
5
Specifications
5.1
Absolute Maximum Ratings
5.2
ESD Ratings
5.3
Recommended Operating Conditions
5.4
Thermal Information
5.5
Electrical Characteristics
5.6
Timing Requirements
5.7
Typical Characteristics
Parameter Measurement Information
6
Detailed Description
6.1
Overview
6.2
Functional Block Diagram
6.3
Feature Description
6.3.1
Bidirectional Level Translation
6.3.2
VOL B-side Offset Voltage
6.3.3
High to Low Transition Characteristics
6.4
Device Functional Modes
7
Application and Implementation
7.1
Application Information
7.2
Typical Application
7.2.1
Standard Application
7.2.1.1
Design Requirements
7.2.1.2
Detailed Design Procedure
7.2.1.2.1
Pullup Resistor Sizing
7.2.1.3
Application Curves
7.2.2
Star Application
7.2.2.1
Design Requirements
7.2.2.2
Detailed Design Procedure
7.2.2.3
Application Curves
7.2.3
Series Application
7.2.3.1
Design Requirements
7.2.3.2
Detailed Design Procedure
7.2.3.3
Application Curves
7.3
Power Supply Recommendations
7.4
Layout
7.4.1
Layout Guidelines
7.4.2
Layout Example
8
Device and Documentation Support
8.1
Receiving Notification of Documentation Updates
8.2
Support Resources
8.3
Trademarks
8.4
Electrostatic Discharge Caution
8.5
Glossary
9
Revision History
10
Mechanical, Packaging, and Orderable Information
IMPORTANT NOTICE
Package Options
Mechanical Data (Package|Pins)
DGK|8
MPDS028E
Thermal pad, mechanical data (Package|Pins)
Orderable Information
scps244c_oa
scps244c_pm
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Full reading width
Full reading width
Comfortable reading width
Expanded reading width
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Data Sheet
TCA9617A
Level-Translating FM+ I
2
C Bus Repeater
1
Features
Two-channel bidirectional I
2
C buffer
Support for standard mode, fast mode (400kHz), and fast mode+ (1Mhz) I
2
C operation
Operating supply voltage range of 0.8V to 5.5V on A-side
Operating supply voltage range of 2.2V to 5.5V on B-side
Voltage-level translation from 0.8V to 5.5V and 2.2V to 5.5V
Footprint and function replacement for TCA9517
Active-high repeater-enable input
Open-drain I
2
C I/O
5.5V Tolerant I
2
C and enable input support
Lockup-free operation
Support for clock stretching and multiple controller arbitration across the device
Latch-up performance exceeds 100mA Per JESD 78, class II
ESD protection exceeds JESD 22
4000V Human-body model
1500V Charged-device model
2
Applications
Servers
Routers
(Telecom Switching Equipment)
Industrial Equipment
Products with many I
2
C targets and/or long PCB traces