SCPS126G
September 2006 – March 2021
PCA9538
PRODUCTION DATA
1
Features
2
Description
3
Revision History
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
I2C Interface Timing Requirements
5.7
RESET Timing Requirements
5.8
Switching Characteristics
5.9
Typical Characteristics
6
Parameter Measurement Information
7
Detailed Description
7.1
Functional Block Diagram
7.2
Device Functional Modes
7.2.1
RESET Input
7.2.1.1
RESET Errata
System Impact
System Workaround
7.2.2
Power-On Reset
7.2.3
I/O Port
7.2.4
Interrupt Output ( INT)
7.2.4.1
Interrupt Errata
System Impact
System Workaround
7.3
Programming
7.3.1
I2C Interface
7.4
Register Maps
7.4.1
Device Address
7.4.2
Control Register And Command Byte
7.4.3
Register Descriptions
7.4.4
Bus Transactions
7.4.4.1
Writes
7.4.4.2
Reads
8
Application Information Disclaimer
8.1
Application Information Disclaimer
8.2
Typical Application
8.2.1
Detailed Design Procedure
8.2.1.1
Minimizing ICC When I/Os Control Leds
9
Power Supply Recommendations
9.1
Power-On Reset Requirements
10
Device and Documentation Support
10.1
Receiving Notification of Documentation Updates
10.2
Support Resources
10.3
Trademarks
10.4
Electrostatic Discharge Caution
10.5
Glossary
11
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
DGV|16
MPDS006C
DW|16
MSOI003I
PW|16
MPDS361A
DB|16
MPDS507A
Thermal pad, mechanical data (Package|Pins)
DW|16
QFND313D
Orderable Information
scps126g_oa
scps126g_pm
6
Parameter Measurement Information
C
L
includes probe and jig capacitance.
All inputs are supplied by generators having the following characteristics: PRR ≤ 10 MHz, Z
O
= 50 Ω, t
r
/t
f
≤ 30 ns.
All parameters and waveforms are not applicable to all devices.
Figure 6-1
I
2
C Interface Load Circuit and Voltage Waveforms
C
L
includes probe and jig capacitance.
All inputs are supplied by generators having the following characteristics: PRR ≤ 10 MHz, Z
O
= 50 Ω, t
r
/t
f
≤ 30 ns.
All parameters and waveforms are not applicable to all devices.
Figure 6-2
Interrupt Load Circuit and Voltage Waveforms
C
L
includes probe and jig capacitance.
All inputs are supplied by generators having the following characteristics: PRR ≤ 10 MHz, Z
O
= 50 Ω, t
r
/t
f
≤ 30 ns.
The outputs are measured one at a time, with one transition per measurement.
All parameters and waveforms are not applicable to all devices.
Figure 6-3
P-Port Load Circuit and Voltage Waveforms
C
L
includes probe and jig capacitance.
All inputs are supplied by generators having the following characteristics: PRR ≤ 10 MHz, Z
O
= 50 Ω, t
r
/t
f
≤ 30 ns.
The outputs are measured one at a time, with one transition per measurement.
I/Os are configured as inputs.
All parameters and waveforms are not applicable to all devices.
Figure 6-4
Reset Load Circuits and Voltage Waveforms