PCA9538DWR
ActiveTexas Instruments
8-BIT 2.3- TO 5.5-V I2C/SMBUS I/O EXPANDER WITH INTERRUPT, RESET & CONFIG REGISTERS
PCA9538DWR
ActiveTexas Instruments
8-BIT 2.3- TO 5.5-V I2C/SMBUS I/O EXPANDER WITH INTERRUPT, RESET & CONFIG REGISTERS
Description
General part information
PCA9538 Series
8-bit 2.3- to 5.5-V I2C/SMBus I/O expander with interrupt, reset & config registers
Technical Specifications
Parameters and characteristics for this part
| Specification | PCA9538DWR |
|---|---|
| Clock Frequency | 400 kHz |
| Current - Output Sink | 25 mA |
| Current - Output Source | 10 mA |
| Features | POR |
| Interface | I2C, SMBus |
| Interrupt Output | Yes |
| Mounting Type | Surface Mount |
| Number of I/O | 8 |
| Operating Temperature (Max) | 85 °C |
| Operating Temperature (Min) | -40 °C |
| Output Type | Push-Pull |
| Package Length | 0.295 in |
| Package Name | 16-SOIC |
| Package Width | 7.5 mm |
| Voltage - Supply (Maximum) | 5.5 V |
| Voltage - Supply (Minimum) | 2.3 V |
Pricing
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CAD
3D models and CAD resources for this part
Documents
Technical documentation and resources
Datasheet
Understanding Transient Drive Strength vs. DC Drive Strength in Level-Shifters (Rev. A)
Semiconductor Packing Material Electrostatic Discharge (ESD) Protection
Programming Fun Lights With TI's TCA6507
I2C Dynamic Addressing
Understanding the I2C Bus
Understanding and Interpreting Standard-Logic Data Sheets (Rev. C)
I2C Bus Pull-Up Resistor Calculation
Choosing the Correct I2C Device for New Designs
Logic Guide (Rev. AB)
Maximum Clock Frequency of I2C Bus Using Repeaters
