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HomeProductsIntegrated Circuits (ICs)Interface - Drivers, Receivers, TransceiversUA9638CD
UA9638CD Image
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See specifications for product details.

UA9638CD - Texas Instruments

Manufacturer Part Number
Texas Instruments
Allelco Part Number
ECAD Model
Parts Description
Detailed Description
8-SOIC (0.154", 3.90mm Width)
Data sheet
RoHs Status
ROHS3 Compliant
In stock: 43030

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UA9638CD Tech Specifications
Texas Instruments - UA9638CD technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - UA9638CD

Product Attribute Attribute Value  
Manufacturer Texas Instruments  
Voltage - Supply 4.75V ~ 5.25V  
Type Driver  
Supplier Device Package 8-SOIC  
Series -  
Protocol RS422, RS485  
Package / Case 8-SOIC (0.154", 3.90mm Width)  
Product Attribute Attribute Value  
Package Tube  
Operating Temperature 0°C ~ 70°C  
Number of Drivers/Receivers 2/0  
Mounting Type Surface Mount  
Duplex -  
Data Rate -  
Base Product Number UA9638  

Parts Introduction

Manufacturer Part Number



Texas Instruments


The UA9638CD by Texas Instruments is a driver integrated circuit for interface applications.

Product Features and Performance

Driver for RS422, RS485 communication protocols

Supports 2 Driver outputs

Optimized for balanced data transmission

Product Advantages

High-speed operation suitable for multiple data formats

Robust design for industrial applications

Key Technical Parameters

Supply Voltage: 4.75V to 5.25V

Operating Temperature range: 0°C to 70°C

Interface Protocol: RS422, RS485

Package: 8-SOIC

Quality and Safety Features

Industry-standard quality and safety features


Widely compatible with RS422, RS485 based communication systems

Application Areas



Industrial Control Systems

Data Acquisition Systems

Product Lifecycle

Last Time Buy status

Availability of potential replacement or upgrade options

Several Key Reasons to Choose This Product

Proven reliability from Texas Instruments

Designed for high-speed data environments

Easy integration with surface mount technology

Optimal operating voltage range for industrial applications

Convenient packaging for manufacturing processes

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments UA9638CD

Product Attribute UA9638CD UA9638CP UA9637ACDR UA9637ACP
Part Number UA9638CD UA9638CP UA9637ACDR UA9637ACP
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Operating Temperature 0°C ~ 70°C 0°C ~ 70°C 0°C ~ 70°C 0°C ~ 70°C
Supplier Device Package 8-SOIC 8-PDIP 8-SOIC 8-PDIP
Duplex - - - -
Voltage - Supply 4.75V ~ 5.25V 4.75V ~ 5.25V 4.75V ~ 5.25V 4.75V ~ 5.25V
Series - - - -
Data Rate - - - -
Package / Case 8-SOIC (0.154", 3.90mm Width) 8-DIP (0.300", 7.62mm) 8-SOIC (0.154', 3.90mm Width) 8-DIP (0.300', 7.62mm)
Package Tube Tube Tape & Reel (TR) Tube
Protocol RS422, RS485 RS422, RS485 RS422, RS423 RS422, RS423
Number of Drivers/Receivers 2/0 2/0 0/2 0/2
Base Product Number UA9638 UA9638 UA9637 UA9637
Mounting Type Surface Mount Through Hole Surface Mount Through Hole
Type Driver Driver Receiver Receiver

UA9638CD Datasheet PDF

Download UA9638CD pdf datasheets and Texas Instruments documentation for UA9638CD - Texas Instruments.

PCN Design/Specification
Mult Devices Font 21/Apr/2018.pdf
HTML Datasheet


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
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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UA9638CD Image


Texas Instruments

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