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HomeProductsIntegrated Circuits (ICs)Interface - Drivers, Receivers, TransceiversTSB81BA3EPFP
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TSB81BA3EPFP - Texas Instruments

Manufacturer Part Number
TSB81BA3EPFP
Manufacturer
Texas Instruments
Allelco Part Number
32D-TSB81BA3EPFP
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
7,781 pcs available, New & Original
Parts Description
IC TRANSCEIVER HALF 6/6 80HTQFP
Package
80-HTQFP (12x12)
Data sheet
-
RoHs Status
ROHS3 Compliant
Compare
Our certification
In stock: 7781
  • Unit Price: $1.905
  • Subtotal: $0.00

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Add to Cart and Submit RFQ now, we'll contact you immediately.

Quantity Unit Price Ext. Price
1+ $1.905 $1.91
10+ $1.659 $16.59
30+ $1.514 $45.42
100+ $1.366 $136.60
500+ $1.298 $649.00
1000+ $1.268 $1,268.00
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

TSB81BA3EPFP Tech Specifications
Texas Instruments - TSB81BA3EPFP technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - TSB81BA3EPFP

Product Attribute Attribute Value
Manufacturer Texas Instruments
Voltage - Supply 3V ~ 3.6V
Type Transceiver
Supplier Device Package 80-HTQFP (12x12)
Series -
Protocol IEEE 1394
Package / Case 80-TQFP Exposed Pad
Product Attribute Attribute Value
Package Tray
Operating Temperature 0°C ~ 70°C
Number of Drivers/Receivers 6/6
Mounting Type Surface Mount
Duplex Half
Data Rate -
Base Product Number TSB81BA3

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 3 (168 Hours)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8542.39.0001

Parts Introduction

TSB81BA3EPFP Image
TSB81BA3EPFP (1)

Manufacturer Part Number

TSB81BA3EPFP

Manufacturer

Texas Instruments

Introduction

The TSB81BA3EPFP is a transceiver component for IEEE 1394 applications from Texas Instruments.

Product Features and Performance

Interface Drivers, Receivers, Transceivers

Half Duplex Transceiver

Supports IEEE 1394 Protocol

Contains 6 Drivers and 6 Receivers

Product Advantages

Integrated with the bandwidth required for data and multimedia applications

Designed for flexibility in IEEE 1394-based applications

Key Technical Parameters

Number of Drivers/Receivers: 6/6

Voltage - Supply: 3V ~ 3.6V

Operating Temperature Range: 0°C ~ 70°C

Mounting Type: Surface Mount

Package / Case: 80-TQFP Exposed Pad

Supplier Device Package: 80-HTQFP (12x12)

Quality and Safety Features

Compliant with IEEE 1394 standards for high reliability

Built under strict quality control for consistent performance

Compatibility

Compatible with various IEEE 1394 applications

Supports connectivity with a range of multimedia devices

Application Areas

Multimedia

Data Communication

Consumer Electronics

Computer Peripherals

Product Lifecycle

Status: Last Time Buy (usually indicates that the product is nearing discontinuation)

Potential for replacement or upgrade availability

Several Key Reasons to Choose This Product

Reliable high-speed connectivity for IEEE 1394 applications

Texas Instruments' reputation for durable and quality components

Capable of interfacing with multiple devices and applications

Comprehensive support for multimedia and data rate-intensive applications

Last Time Buy status provides an opportunity to secure parts before discontinuation

Frequently Asked Questions(FAQ)

What are the key electrical characteristics of the TSB81BA3EPFP that influence its use in a 3.3V IEEE 1394 interface design?
The TSB81BA3EPFP operates within a supply voltage range of 3V to 3.6V, making it suitable for 3.3V-powered systems. This tight tolerance supports compatibility with standard low-voltage digital logic environments while maintaining signal integrity across the transceiver’s 6/6 driver/receiver channels. The half-duplex configuration implies shared communication lines between transmit and receive paths, requiring careful timing coordination to avoid data collisions—especially relevant when integrating with downstream PHY layers or host controllers.
How does the operating temperature range of the TSB81BA3EPFP affect deployment in industrial versus consumer applications?
With an operating temperature range of 0°C to 70°C, the TSB81BA3EPFP is optimized for commercial-grade environments. It may not reliably function in extended-temperature industrial settings (e.g., -40°C to +85°C) without additional thermal management or environmental controls. For consumer electronics such as audio/video equipment or legacy computing peripherals, this range aligns well with typical indoor operation conditions, reducing the need for costly ruggedization.
In what scenarios would selecting the TSB81BA3EPFP over a full-duplex IEEE 1394 transceiver be advantageous?
The TSB81BA3EPFP offers a half-duplex implementation, which can reduce pin count, simplify PCB routing, and lower component cost compared to full-duplex alternatives like the TSB81BA3EPFP-FS (if available). This makes it preferable in bandwidth-constrained or space-limited designs where simultaneous bidirectional communication isn’t required—such as in certain legacy FireWire-to-USB bridge applications or embedded storage devices using older IEEE 1394 protocols.
Can the TSB81BA3EPFP interface directly with modern USB 3.x or PCIe-based host controllers without protocol translation?
No, the TSB81BA3EPFP implements the IEEE 1394 (FireWire) physical layer only. It cannot natively communicate with USB 3.x or PCIe hosts due to fundamental differences in signaling, packet structure, and protocol stack. A dedicated protocol bridge or microcontroller running appropriate conversion firmware would be necessary to enable interoperability between IEEE 1394 endpoints and modern high-speed serial buses.
What considerations should be made regarding package selection when integrating the TSB81BA3EPFP onto a PCB?
The TSB81BA3EPFP uses an 80-HTQFP (12x12mm) exposed pad package, which enhances thermal dissipation but demands precise soldering techniques during assembly. Designers must allocate sufficient land pattern real estate for all 80 pins, including proper via stitching under the exposed pad to ensure reliable heat transfer to ground planes. MSL 3 classification indicates standard handling precautions, but reflow profiles must comply with JEDEC J-STD-020 to prevent moisture-induced cracking.
How does the Moisture Sensitivity Level (MSL) rating of the TSB81BA3EPFP impact procurement and shelf-life management?
Classified as MSL 3 (168-hour window after opening), the TSB81BA3EPFP requires adherence to standard dry-packaging practices if stored beyond one year post-manufacturing. Inventory rotation and humidity monitoring are recommended to avoid popcorning during reflow soldering, which could compromise solder joint integrity and lead to field failures.
Is the TSB81BA3EPFP compatible with IEEE 1394b (800 Mbps) specifications or limited to earlier 1394a speeds?
The TSB81BA3EPFP is designed for IEEE 1394a compliance, typically supporting up to 400 Mbps over 6-pin connectors. While backward compatible with 1394a devices, it does not support the 800 Mbps signaling rates or dual-link configurations defined in IEEE 1394b. Therefore, it is unsuitable for high-bandwidth applications requiring 1394b throughput unless paired with external PHY enhancements not included in this IC.
What role does the base product number TSB81BA3 play in differentiating variants of this transceiver family?
The base model TSB81BA3 represents the core functional block of the transceiver, while suffixes like EPFP denote packaging and environmental qualifications—here, HTQFP with enhanced pinout and RoHS3 compliance. Understanding this hierarchy aids in cross-referencing derivatives for form-fit-function replacements, though pin compatibility must always be verified against mechanical schematics due to potential layout variations across sub-variants.

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments TSB81BA3EPFP

Product Attribute TSB81BA3EIPFP TSB81BA3DPFP TSB81BA3PFP TSB81BA3IPFP
Part Number TSB81BA3EIPFP TSB81BA3DPFP TSB81BA3PFP TSB81BA3IPFP
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Data Rate - - - -
Mounting Type - Surface Mount Through Hole Surface Mount
Duplex - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Number of Drivers/Receivers - - - -
Base Product Number - DAC34H84 MAX500 ADS62P42
Protocol - - - -
Type - - - -
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Series - - - -
Voltage - Supply - - - -

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Customer Reviews

Evaluation: 10 Articles

  • Nath***rooks
    Jun 11, 2026

    Installed this power component in a converter board. Output remained stable under different load conditions and thermal performance was better than expected.

  • Dani***alkerTech
    Jun 1, 2026

    Product works, but setup took more effort than expected. Once configured the MCU ran reliably, although documentation support felt older compared with newer platforms. Fine for maintenance projects.

  • Yuki***aka88
    May 26, 2026

    信号通信プロジェクトでこのRS-485トランシーバーを使用しました。設置は簡単で、長距離ケーブルでも通信は安定していました。消費電力も、以前使用していたものより低くなっています。

  • Stev***aker
    May 20, 2026

    Solid diode for power rectification. Works well in switching circuits.

  • Bran***Lewis
    May 11, 2026

    Compact FPGA with good performance. Suitable for basic signal processing tasks.

  • Oliv***arris
    May 7, 2026

    Reliable I/O expander. Works well in embedded control applications.

  • 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.

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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.
  • QC (Quality Warranty)
  • Payment Support
  • Packaging
  • Certifications & Memberships

QC (Quality Warranty)

Allelco is committed to exceeding customer expectations through customer service excellence, order accuracy, and on-time delivery.
This is achieved through our commitment to the continual improvement of our processes, services, and products.


Strict quality inspection builds a solid foundation for electronic component quality.
  1. Visual inspection
  2. Performance testing and reliability verification
  3. Standardized full-process testing
  4. Precise control of every parameter
We eliminate defective components and ensure the stable operation of electronic devices through professional quality standards.
Quality Inspection
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Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.
  • HKBea
  • Paypal
  • MasterCard
  • Western-Union
  • VISA
Stable Delivery, Sincere Partnership — Your Faithful Supply Chain Partner
  • Efficient Supply Management
  • Cost-Saving Procurement
  • Fast Sourcing & Delivery
Contact us if you have any questions.

Packaging

Electrostatic Discharge Protection and Handling

All electrostatic-sensitive components are handled in accordance with electrostatic discharge control procedures. The products are hermetically sealed in anti-static safe packaging to prevent electrostatic damage. Appropriate labeling is also applied for identification and traceability. This ensures product integrity during storage, handling and transportation.


ESD

Certifications & Memberships

Third-party certified, strict quality control. Our certification
  • ISO 9001: 2015
  • ISO 13485: 2016
  • ISO 14001: 2015
  • ISO 28000: 2007
  • ISO 45001: 2018
  • GB/T 27922-2011
  • SMTA
  • IPC
  • ESD
  • PSMA
TSB81BA3EPFP Image

TSB81BA3EPFP

Texas Instruments
32D-TSB81BA3EPFP

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

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