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TSB43AB21A The Texas Instruments TSB43AB21A is an OHCI 1.1 compliant 1394a link layer controller with an integrated PHY. It supports data rates up to 400 Mbps.
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TSB43AB21A

Available from 2 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments TSB43AB21A is an OHCI 1.1 compliant 1394a link layer controller with an integrated PHY. It supports data rates up to 400 Mbps.
✓ Total Stock: 418 pcs

TSB43AB21A Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Optech Co.,Limited ✓
Non-Authorised Inventory information
368 pcs
On Request
368 pcs On Request 1 On Request On Request 06+ On Request On Request
PROSOFT ELECTRONICS ✓
Non-Authorised Inventory information
50 pcs
On Request
50 pcs On Request 1 On Request On Request 02+ On Request On Request
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TSB43AB21A Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Data Rate
Mounting Type
Number of Ports
Operating Temperature
Package / Case
SVHC Present
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TSB43AB21A Description

Short technical summary and product information.

The TSB43AB21A from Texas Instruments is an OHCI 1.1 compliant controller designed for high-performance serial bus applications. It integrates the IEEE 1394a PHY and link-layer functions, supporting data rates of 100 Mbps, 200 Mbps, and 400 Mbps.

 

This device features 1.8-V core logic with universal PCI interfaces compatible with 3.3-V and 5-V signaling. It includes power-down features for battery-powered applications, such as automatic device power down during suspend and PCI power management. The TSB43AB21A operates within a temperature range of 0 to 70°C and is available in a TQFP package.

 

Key features include full compliance with IEEE Std 1394-1995 and IEEE Std 1394a-2000, interoperability with FireWire and i.LINK, and support for various IEEE Std 1394a-2000 enhancements like arbitration acceleration and port disable/suspend/resume. It also supports PCI burst transfers and deep FIFOs to manage host latency.

TSB43AB21A Quick Information

Product Type: OHCI Controller
Canonical Name: TSB43AB21A OHCI 1.1, 1394a link layer controller with integrated IEEE 1394a, 400-Mbps, 1-port PHY
Subcategory: OHCI Controller

TSB43AB21A Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

TSB43AB21A Features

  • OHCI 1.1 compliant 1394a link layer controller
  • Integrated IEEE 1394a PHY
  • Supports 100/200/400 Mbps data rates
  • 1.8V core logic with 3.3V/5V PCI compatibility
  • TQFP package for surface mounting

TSB43AB21A Applications

  • High-performance serial bus systems
  • FireWire and i.LINK implementations
  • Portable and battery-powered devices
  • Data acquisition systems

TSB43AB21A FAQs

5 frequently asked questions generated from this part’s specifications.
What is the interface type of the TSB43AB21A?

IEEE 1394a.

What data rate does the TSB43AB21A support?

400 Mbps.

What is the core (operating) voltage of the TSB43AB21A?

1.8 V.

What is the operating temperature range?

0 to 70 °C.

What package is the TSB43AB21A available in?

TQFP with 256 mm² footprint (16 mm × 16 mm).

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