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HomeProductsIntegrated Circuits (ICs)Interface - I/O ExpandersPCA9534ADBR
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PCA9534ADBR - Texas Instruments

Manufacturer Part Number
PCA9534ADBR
Manufacturer
Texas Instruments
Allelco Part Number
32D-PCA9534ADBR
Warranty
1 Year Allelco Warranty - Find out more
Parts Description
IC XPNDR 400KHZ I2C SMBUS 16SSOP
Package
16-SSOP
Data sheet
1.PCA9534ADBR.pdf ...

PCN Design/Specification

Datasheet Update 25/Jun/2014.pdf

HTML Datasheet

PCA9534A.pdf
RoHs Status
ROHS3 Compliant
Compare
Our certification
In stock: 46460
  • Unit Price: $2.238
  • Subtotal: $0.00

Want a better price?
Add to Cart and Submit RFQ now, we'll contact you immediately.

Quantity Unit Price Ext. Price
1+ $2.238 $2.24
10+ $1.95 $19.50
30+ $1.778 $53.34
100+ $1.604 $160.40
500+ $1.525 $762.50
1000+ $1.489 $1,489.00
The above prices does not include taxes and freight rates, which will be calculated on the order pages.
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Specifications

PCA9534ADBR Tech Specifications
Texas Instruments - PCA9534ADBR technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - PCA9534ADBR

Product Attribute Attribute Value  
Manufacturer Texas Instruments  
Voltage - Supply 2.3V ~ 5.5V  
Supplier Device Package 16-SSOP  
Series -  
Package / Case 16-SSOP (0.209", 5.30mm Width)  
Package Tape & Reel (TR)  
Output Type Push-Pull  
Operating Temperature -40°C ~ 85°C  
Product Attribute Attribute Value  
Number of I/O 8  
Mounting Type Surface Mount  
Interrupt Output Yes  
Interface I²C, SMBus  
Features POR  
Current - Output Source/Sink 10mA, 25mA  
Clock Frequency 400 kHz  
Base Product Number PCA9534  

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8542.39.0001

Parts Introduction

Manufacturer Part Number

PCA9534ADBR

Manufacturer

Texas Instruments

Introduction

PCA9534ADBR is an 8-bit I/O expander designed for I2C and SMBus interface, featuring interruption output and power-on reset.

Product Features and Performance

8-bit I/O expander

Compatible with I2C and SMBus interfaces

Interrupt output functionality

Power-on Reset (POR) feature

Push-pull output type

Clock frequency of 400 kHz

Product Advantages

Ensures consistent and reliable expandability of I/O ports

Supports high-speed communication

Interrupt output enhances system responsiveness

Push-pull outputs deliver faster signal transition

Key Technical Parameters

Number of I/O: 8

Interface: I2C, SMBus

Interrupt Output: Yes

Current Output Source/Sink: 10mA, 25mA

Clock Frequency: 400 kHz

Voltage Supply: 2.3V to 5.5V

Operating Temperature: -40°C to 85°C

Mounting Type: Surface Mount

Package/Case: 16-SSOP

Quality and Safety Features

Robust operating temperature range ensuring reliability in varying environments

Designed for low voltage and power efficient applications

Compatibility

Optimal for use in systems requiring additional I/O ports with minimal power draw

Compatible with any system supporting I2C or SMBus protocols

Application Areas

Embedded Systems

Servers

Industrial Controls

Consumer Electronics

Product Lifecycle

Status: Obsolete

Note: Replacement or upgraded models may be available, consult Texas Instruments for alternatives.

Several Key Reasons to Choose This Product

High integration capability with 8 I/Os using only one device

Efficient in systems with limited space due to compact 16-SSOP package

Flexible for various applications due to wide voltage supply range

Increases the functionality and response time of the host system with interrupt features

Durable and reliable for industrial applications with a broad operating temperature range

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments PCA9534ADBR

Product Attribute PCA9534ADGVR PCA9534ADWR PCA9534ADW PCA9534ARGTRG4
Part Number PCA9534ADGVR PCA9534ADWR PCA9534ADW PCA9534ARGTRG4
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Series - - - -
Interface - - - -
Mounting Type - Surface Mount Through Hole Surface Mount
Voltage - Supply - - - -
Current - Output Source/Sink - - - -
Clock Frequency - - - -
Base Product Number - DAC34H84 MAX500 ADS62P42
Number of I/O - - - -
Features - - - Simultaneous Sampling
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Interrupt Output - - - -
Output Type - Current - Unbuffered Voltage - Buffered -

PCA9534ADBR Datasheet PDF

Download PCA9534ADBR pdf datasheets and Texas Instruments documentation for PCA9534ADBR - Texas Instruments.

PCN Design/Specification
Datasheet Update 25/Jun/2014.pdf
HTML Datasheet
PCA9534A.pdf

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Customer Reviews

Evaluation: 10 Articles

  • Jess***Jones
    Apr 17, 2026

    It offers good value for the price, and the specifications match the description. I’ve been using it for two days with no issues, and I’ll definitely buy it again if I need it in the future.

  • Mich***Smith
    Apr 17, 2026

    Shipping was on time, the component pins are neatly aligned, and I tested 10 of them with a multimeter—all readings were within the specified range. Highly recommended.

  • Aman***arris
    Apr 3, 2026

    It was great—the entire process, from placing the order to receiving the package, went very smoothly. The components were consistent, the price was fair, and I had a very pleasant shopping experience.

  • Mike***nch
    Apr 3, 2026

    Better than expected! The resistance and capacitance readings were spot-on, and it passed the test on the first try. The service was reliable, and the packaging was thoughtful—I highly recommend it.

  • Daic***K.
    Mar 23, 2026

    Very good. No issue after long time testing.

  • Kevi***.
    Mar 17, 2026

    Fast switching and stable output. Very satisfied with this IC

  • Daou***hekebkeb
    Jun 16, 2024

    I had a great experience purchasing items from Allelcoelec, I recommend

  • Uri ***al
    Jun 19, 2024

    Good comunication,
    Transpnt regarding the process and price.

  • Yaqu***l Ali
    Jun 19, 2024

    Providing reasonable prices, regular follow-up of orders, providing accurate and regular invoices, timely delivery of goods, excellent customer service and providing original goods and best quality materials.

  • Lea ***
    Jun 19, 2024

    Morrey was very helpful and right on top of things!
    He replied quickly to my RFQ. He was very courteous and professional.

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Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

  1. Use your express account for shipment if you have one.
  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.

Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.

Your Faithful Supply Chain Partner -

Contact us if you have any questions.

  1. Phone
    +00852 9146 4856

Certifications & Memberships

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PCA9534ADBR Image

PCA9534ADBR

Texas Instruments
32D-PCA9534ADBR

Want a better price? Add to Cart and Submit RFQ now, we'll contact you immediately.

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