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0755-82798135Texas Instruments PCF8574APWR
PCF8574APWR Supplier & Distributor
PCF8574APWR is an electronic component from Texas Instruments. TomatoElec is an in-stock independent distributor supporting original component sourcing, inventory checks and BOM purchasing needs.
We support RFQ handling, component availability confirmation and sourcing coordination for OEM, EMS, repair and electronic trading companies.
- Original component sourcing support
- In-stock inventory checking
- RFQ and availability confirmation
- BOM sourcing and bulk order support
- Part No.:
- PCF8574APWR
- Manufacturer:
- Texas Instruments
- Category:
- I/O Expanders
- Package:
- 20-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
PCF8574APWR.pdf
- Description:
- IC XPNDR 100KHZ I2C 20TSSOP
- Quantity:
Unit Price:$0
Ext Price:$0
- Payment:

- Shipping:

Inventory:3,709
Send us your inquiry,we will respond immediately.
About PCF8574APWR
Looking for PCF8574APWR supplier or distributor? Tomato Electronics provides high-quality electronic components including MLCC capacitors, tantalum capacitors, ICs, diodes and more.
Contact us now for quotation and availability of PCF8574APWR.
PCF8574APWR Specifications
- Specifications
- FAQ
- The Posts
- Attributes
- Property Value
- Manufacturer
- Texas Instruments
- Series:
- -
- Package/Case:
- 20-TSSOP (0.173", 4.40mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Not Verified
- Number of I/O:
- 8
- Interface:
- I2C
- Interrupt Output:
- Yes
- Features:
- POR
- Output Type:
- Push-Pull
- Current - Output Source/Sink:
- 1mA, 25mA
- Clock Frequency:
- 100 kHz
- Voltage - Supply:
- 2.5V ~ 6V
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 20-TSSOP
- Category:
- I/O Expanders
1. How to order PCF8574APWR from Hong Kong Tomato Electronics Co., Limited?
You can submit an RFQ for PCF8574APWR directly on our website. After receiving your request, our sales team will contact you with price, availability, lead time and order details. Once you confirm the quotation, we will help you complete the order process.
2. How does Hong Kong Tomato Electronics Co., Limited ensure that PCF8574APWR is original and reliable?
Hong Kong Tomato Electronics Co., Limited works with qualified supply channels and applies strict quality control procedures for electronic components including PCF8574APWR. We pay close attention to supplier screening, product verification and delivery quality to help customers source with confidence.
3. Are the price and inventory of PCF8574APWR accurate?
The price and inventory of PCF8574APWR may change due to market conditions and stock movement. We update information as frequently as possible, but final quotation and availability should be confirmed by our sales team. In most cases, quotations are valid for 3 to 5 days.
4. What payment methods are accepted?
We usually accept Wire Transfer, PayPal, Alipay, WeChat Pay, Credit Card, Western Union and other agreed payment methods, depending on the order and customer location.
Please note that some payment methods may involve additional handling charges.
5. How is the shipping arranged?
Customers can choose major international carriers such as DHL, UPS, FedEx and other available shipping methods. Shipping options depend on package size, destination and delivery urgency.
After shipment, our team will send you the shipping status and tracking number by email.
Please note that tracking information may take some time to become active after dispatch.
6. What is the return or replacement policy for PCF8574APWR?
All shipments are checked before dispatch. If there is a confirmed issue related to the delivered PCF8574APWR, such as incorrect quantity, wrong item or verified product problem, please contact us as soon as possible.
Return or replacement requests are usually accepted only when the part remains unused and in its original packaging, and when the issue is reported within the agreed time after delivery.
Please contact our team first before returning any goods so that we can confirm the issue and provide return instructions.
7. How can I get technical support, such as the datasheet or specifications for PCF8574APWR?
If you need technical support for PCF8574APWR, including datasheets, specifications or general product information, please contact our sales team. We will do our best to help you obtain the relevant information.

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- Comparison
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| Images | ![]() |
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| Part No. | PCF8574APWR | PCF8574APWRE4 | PCF8574APWRG4 |
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments |
| Series | - | - | - |
| Package/Case | 20-TSSOP (0.173", 4.40mm Width) | 20-TSSOP (0.173", 4.40mm Width) | 20-TSSOP (0.173", 4.40mm Width) |
| Packaging | Tape & Reel (TR) | Tape & Reel (TR) | Tape & Reel (TR) |
| Product Status | Active | Discontinued at Digi-Key | Discontinued at Digi-Key |
| Programmable | Not Verified | Not Verified | Not Verified |
| Number of I/O | 8 | 8 | 8 |
| Interface | I2C | I2C | I2C |
| Interrupt Output | Yes | Yes | Yes |
| Features | POR | POR | POR |
| Output Type | Push-Pull | Push-Pull | Push-Pull |
| Current - Output Source/Sink | 1mA, 25mA | 1mA, 25mA | 1mA, 25mA |
| Clock Frequency | 100 kHz | 100 kHz | 100 kHz |
| Voltage - Supply | 2.5V ~ 6V | 2.5V ~ 6V | 2.5V ~ 6V |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C |
| Grade | - | - | - |
| Qualification | - | - | - |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount |
| Supplier Device Package | 20-TSSOP | 20-TSSOP | 20-TSSOP |
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