SCPS315
April 2025
TCAL9539R
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 Bus Timing Requirements
5.8
Switching Characteristics
6
Parameter Measurement Information
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagrams
7.3
Feature Description
7.3.1
I/O Port
7.3.2
Adjustable Output Drive Strength
7.3.3
Interrupt Output (INT)
7.3.4
Reset Input (RESET)
7.3.5
Software Reset Call
7.4
Device Functional Modes
7.4.1
Power-On Reset
7.5
Programming
7.5.1
I2C Interface
7.6
Register Maps
7.6.1
Device Address
7.6.2
Control Register and Command Byte
7.6.3
Register Descriptions
7.6.4
Bus Transactions
7.6.4.1
Writes
7.6.4.2
Reads
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
Minimizing ICC When I/Os Control LEDs
8.2.3
Application Curves
8.3
Power Supply Recommendations
8.3.1
Power-On Reset Requirements
8.4
Layout
8.4.1
Layout Guidelines
8.4.2
Layout Example
9
Device and Documentation Support
9.1
Receiving Notification of Documentation Updates
9.2
Support Resources
9.3
Trademarks
9.4
Electrostatic Discharge Caution
9.5
Glossary
10
Revision History
11
Mechanical, Packaging, and Orderable Information
6
Parameter Measurement Information
A.
C
L
includes probe and jig capacitance. tocf is measured with C
L
of 10pF or 400pF.
B.
All inputs are supplied by generators having the following characteristics: PRR ≤ 10MHz, Z
O
= 50Ω, t
r
/t
f
≤ 30ns.
C.
All parameters and waveforms are not applicable to all devices.
Figure 6-1
I
2
C Interface Load Circuit and Voltage Waveforms
A.
C
L
includes probe and jig capacitance.
B.
All inputs are supplied by generators having the following characteristics: PRR ≤ 10MHz, Z
O
= 50Ω, t
r
/t
f
≤ 30ns.
C.
All parameters and waveforms are not applicable to all devices.
Figure 6-2
Interrupt Load Circuit and Voltage Waveforms
A.
C
L
includes probe and jig capacitance.
B.
t
pv
is measured from 0.7 × V
CC
on SCL to 50% I/O (Pn) output.
C.
All inputs are supplied by generators having the following characteristics: PRR ≤ 10MHz, Z
O
= 50Ω, t
r
/t
f
≤ 30ns.
D.
The outputs are measured one at a time, with one transition per measurement.
E.
All parameters and waveforms are not applicable to all devices.
Figure 6-3
P-Port Load Circuit and Timing Waveforms
A.
C
L
includes probe and jig capacitance.
B.
All inputs are supplied by generators having the following characteristics: PRR ≤ 10MHz, Z
O
= 50Ω, t
r
/t
f
≤ 30ns.
C.
The outputs are measured one at a time, with one transition per measurement.
D.
I/Os are configured as inputs.
E.
All parameters and waveforms are not applicable to all devices.
Figure 6-4
Reset Load Circuits and Voltage Waveforms