PCA9538A
Interrupt CapablePCA9538A
Interrupt Capable
Quality Assurance
Quality Assurance
All parts procured from our supply chain network undergo a rigorous incoming inspection process. This meticulous inspection ensures that the parts received by our customers are authentic and meet the required standards. Additionally, we maintain detailed records of these inspections to ensure transparency and traceability throughout the supply chain.
Certification
We have successfully obtained various certification standards and have established our own professional testing laboratory. This ensures that every product we supply to our customers meets the highest quality standards. We adhere to strict testing protocols to maintain the consistency and accuracy of our products. To ensure that our products are original and genuine, we also collaborate with reputable third-party testing facilities to conduct rigorous quality testing. Our commitment to quality extends to meeting industry, legal, regulatory, and ISO 9001:2015 requirements.
Shipping & Payment
Shipping & Payment
About Shipping
We generally ship orders within a few business days through reliable shipping carriers such as FedEx, SF, UPS, or DHL. We also have support for other shipping methods. If you would like to inquire about specific shipping details or costs, please don't hesitate to reach out to us.
About Payment
We accept various payment methods, including VISA, MasterCard, UnionPay, Western Union, PayPal, and other channels.
If you have a specific payment method in mind or would like to inquire about rates and other details, please feel free to contact us.
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Service & Packaging
Service & Packaging
About After Sales Service
All Parts Extended Quality Guarantee
Initiate the application within 90 days from the shipment date.
Confirm the return or exchange with our staff.
Maintain the goods in their original condition as received.
Lastly, please note that the eligibility for return or exchange of goods is subject to an assessment of the actual condition of the returned items. We will evaluate the received goods before finalizing the return or exchange process. If you have any inquiries or require further assistance regarding returns or exchanges, please don't hesitate to contact us at [email protected]
About packaging
Regarding packaging, our products are carefully packed in anti-static bags to provide ESD anti-static protection. The outer packaging is durable with secure closure. We support various packaging methods such as Tape and Reel, Cut Tape, Tube, or Tray.
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Tube or Tray
PCA9538A DataSheet
Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!
Details
The PCA9538A is a 8-bit I2C and SMBus I/O port with interrupt and reset functions. It features 5V tolerant inputs for direct interfacing with TTL levels and can operate at supply voltages from 2.3V to 5.5V. The device contains an internal power-on reset circuit that resets the I/O ports to their default states upon power-up. The PCA9538A has an active-high interrupt output, INT, which allows the device to notify the system of an input change. The device also has a hardware reset input pin that resets the I/O ports to their default states. It supports 100 kHz and 400 kHz bus speeds, making it compatible with a wide range of microcontrollers and other devices.Each individual I/O can be configured as either an input or output and supports fast-mode, 4 mA drive capability. The device has a current source pull-up on each I/O that can be quickly disable to reduce power consumption. It also has a 40 mA current sink capability per I/O, allowing for driving LEDs directly.
Key Features
- 8-bit I2C and SMBus I/O expander
- Internal 100-kHz clock frequency
- Operating voltage range of 2.3 V to 5.5 V
- 3 hardware address pins for up to 8 devices
- Interrupt output
- Software reset functionality
- Low standby current consumption
Application
- LED dimming and blinking control in industrial automation
- Backlight control in automotive applications
- Key-pad scanning and LED display control in consumer electronics
- Programmable logic control in manufacturing equipment
- Signal and LED status indication in communication devices
- Display and indicator control in medical equipment
- Sensor data processing in Internet of Things (IoT) devices
- System status indication in aerospace and defense applications
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
isSample | true | sampleItemType | ITEM_TYPE_SAMPLE |
leadTime | 16 | exclusiveItemType | ITEM_TYPE_SAMPLE |
minPackQty | 2500 | isExSample | true |
salesNum | PCA9538APWJ | MIN_ORDER_QTY | 2500 |
pack_type | REEL | pack_desc | Reel 13" Q1/T1 |
status | Active |
Datasheet PDF
Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.
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