SCPS225E
August 2011 – October 2024
TCA9509
PRODUCTION DATA
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
I2C Interface Timing Requirements
6
Parameter Measurement Information
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Two-Channel Bidirectional Buffer
7.3.2
Integrated A-Side Current Source
7.3.3
Standard Mode and Fast Mode Support
7.4
Device Functional Modes
8
Application and Implementation
8.1
Application Information
8.2
Typical Application
8.2.1
Design Requirements
8.2.2
Detailed Design Procedure
8.2.2.1
Clock Stretching Support
8.2.2.2
VILC and Pulldown Strength Requirements
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Example
11
Device and Documentation Support
11.1
Receiving Notification of Documentation Updates
11.2
Support Resources
11.3
Trademarks
11.4
Electrostatic Discharge Caution
11.5
Glossary
12
Revision History
13
Mechanical, Packaging, and Orderable Information
13.1
Tape and Reel Information
6
Parameter Measurement Information
PIN
C
L
SCLA, SDAA (A-side)
50 pF
SDAB, SCLB (B-side)
50 pF
A.
R
T
termination resistance should be equal to Z
OUT
of pulse generators.
B.
C
L
includes probe and jig capacitance.
C.
All input pulses are supplied by generators having the following characteristics: PRR ≤ 10 MHz, Z
O
= 50 Ω, slew rate ≥ 1 V/ns.
D.
The outputs are measured one at a time, with one transition per measurement.
E.
t
PLH
and t
PHL
are the same as t
pd
.
Figure 6-1
Test Circuit and Voltage Waveforms