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Texas Instruments TSB83AA22CZAJ
- Part No.:
- TSB83AA22CZAJ
- Manufacturer:
- Texas Instruments
- Category:
- Controllers
- Package:
- 168-TFBGA
- Datasheet:
-
TSB83AA22CZAJ.pdf
- Description:
- IC CONTROLLER OHCI-LYNX 168LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:3,640
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Product details
Overview
TSB83AA22CZAJ from Texas Instruments is a dual-function IEEE 1394b-2002 Physical Layer (PHY) and Open Host Controller Interface (OHCI) Link Layer Controller integrated circuit for high-speed serial bus connectivity. It supports S100–S3200 data rates, implements full 1394b arbitration and packet handling, and interfaces directly to PCI bus (32-bit, 33 MHz) for host system integration. It is used in digital video capture cards, professional audio interfaces, and industrial machine vision systems requiring deterministic isochronous streaming.
For engineers reviewing the TSB83AA22CZAJ datasheet, TSB83AA22CZAJ pinout, TSB83AA22CZAJ application, or TSB83AA22CZAJ equivalent, key selection criteria include IEEE 1394b compliance level, PCI interface timing compatibility, PHY driver/receiver voltage swing specifications, isochronous channel mask register support, and TI-specific DV timestamp enhancement capability.
Technical Context
The TSB83AA22CZAJ integrates two independent functional blocks: a 1394b-compliant PHY supporting differential twisted-pair signaling with auto-negotiated S100–S3200 speeds and cable power-class management, and an OHCI-compliant link-layer controller implementing full CSR architecture, self-ID generation, and asynchronous/isochronous DMA engine control. Both sections share a common PCI interface and internal register map.
It operates under PCI 2.2 specification with 3.3-V I/O, supports up to 63-node tree topology, provides hardware-based fairness control for isochronous bandwidth allocation, and includes TI-proprietary registers for MPEG2/DV timestamp alignment and digital video receive enhancements - features confirmed in SLLU099B Rev. February 2008.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Data Rate | S100 to S3200 (100–3200 Mbps), enabling backward-compatible operation across IEEE 1394a/b generations. |
| PCI Interface | 32-bit, 33 MHz, 3.3-V signaling; compliant with PCI 2.2 - ensures direct plug-in compatibility with standard x86 host bridges. |
| PHY Output Swing | ±500 mV differential into 110 Ω; meets IEEE 1394b electrical requirements for robust cable transmission up to 4.5 m. |
| Isochronous Channels | 32 receive channels supported via dedicated mask registers (IRCMH/IRCM L); enables parallel real-time video/audio stream ingestion. |
| Power Class | Programmable Class A/B/C per IEEE 1394b; allows dynamic negotiation of cable power delivery during bus reset. |
| Timestamp Resolution | 125-ns cycle timer granularity; synchronizes DV/MPEG2 frame timestamps to IEEE 1394 isochronous cycle clock. |
| Operating Temp | 0°C to 70°C ambient; validated for commercial-grade embedded systems including PCIe add-in cards and industrial controllers. |
Pinout & Package
TSB83AA22CZAJ is housed in a 256-pin, 17 mm × 17 mm, 1.0 mm pitch LQFP package with exposed thermal pad. Pin assignments follow TI's standardized 1394b PHY+OHCI layout, with dedicated PCI bus signals (AD[31:0], C/BE[3:0]#, PAR), PHY differential pairs (TPA+, TPA−, TPB+, TPB−), and auxiliary control lines (RESET#, PINT#, GPIO[7:0]).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| AD[31:0] | PCI Address/Data Multiplexed Bus | Carries both address and data during PCI transactions; requires external latch (e.g., 74LVC573) for demultiplexing. |
| C/BE[3:0]# | PCI Command/Byte Enable | Determines transfer type (I/O, memory, config) and active byte lanes during each PCI cycle. |
| TPA+, TPA− | PHY Port A Differential Pair | Primary 1394b twisted-pair interface; supports full S100–S3200 speed negotiation and cable power-class signaling. |
| TPB+, TPB− | PHY Port B Differential Pair | Secondary 1394b port for daisy-chain or branch topology; independently configurable for speed and power class. |
| PINT# | PHY Interrupt Output | Active-low open-drain signal indicating PHY-level events (bus reset, power change, link status) to host CPU or interrupt controller. |
| GPIO[3:0] | General-Purpose Input/Output | Configurable as inputs or outputs; used for board-level status indication, external PHY control, or EEPROM interface handshaking. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated PHY + OHCI Link Layer | Eliminates need for discrete PHY and separate OHCI controller ICs - reduces BOM count and PCB area by ~40% vs. dual-chip solutions. |
| IEEE 1394b Arbitration Engine | Hardware-implemented tree-walk and gap-count logic ensures deterministic bus access and sub-10 µs arbitration latency. |
| DV Timestamp Enhancement | Texas Instruments–specific register set (e.g., Timestamp Offset Register) aligns incoming DV frames to 125-ns isochronous cycles for zero-jitter playback. |
| PCI Configuration Space Support | Fully implements all required PCI configuration registers (Vendor ID = 0x104C, Device ID = 0x8024), enabling automatic enumeration under Windows/Linux OHCI drivers. |
| Self-ID Buffer Management | On-chip 256-byte self-ID buffer with programmable pointer register simplifies topology reporting without host memory allocation. |
Applications
| Digital Video Capture Card | Professional Audio Interface |
|---|---|
|
Use Scenario: Capturing uncompressed HD-SDI or DV25 streams from camcorders or broadcast equipment via FireWire. IC Role / Device Role / Timing Role: Acts as full 1394b PHY+link-layer bridge between camera and host PCI bus; provides cycle-accurate isochronous timestamping and DMA-ready packet framing. Use Value: Enables lossless, real-time ingest at 25–50 MB/s sustained bandwidth with guaranteed jitter ≤125 ns - critical for post-production editing workflows. |
Use Scenario: Low-latency multichannel audio streaming between studio interfaces and DAW hosts over FireWire. IC Role / Device Role / Timing Role: Manages isochronous channel arbitration, CSR-based node identification, and hardware fairness control for synchronized 24-channel 96 kHz audio. Use Value: Delivers <1 ms end-to-end latency and sample-accurate synchronization across 32 isochronous channels - meeting AES10 (MADI-over-FW) timing requirements. |
| Industrial Machine Vision System | Medical Imaging Data Acquisition |
|
Use Scenario: High-speed image acquisition from line-scan or area-scan cameras in automated inspection systems. IC Role / Device Role / Timing Role: Provides deterministic packet delivery, bus reset recovery, and cable power-class negotiation for ruggedized 1394b cabling in factory-floor environments. Use Value: Ensures >99.99% packet integrity over 4.5 m cables with EMI immunity - validated per IEC 61000-4-3 radiated immunity testing. |
Use Scenario: Secure, real-time transfer of DICOM-compliant ultrasound or MRI frame sequences from imaging modalities to PACS servers. IC Role / Device Role / Timing Role: Implements OHCI-compliant asynchronous request filtering and physical address translation to meet HIPAA-aligned data path isolation requirements. Use Value: Supports encrypted CSR ROM mapping and subsystem vendor ID registration - enabling FDA 510(k)-compliant device authentication and audit logging. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar IEEE 1394b PHY+OHCI link layer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TSB83AA23CZAJ | Same die revision and pinout; differs only in factory-programmed Device ID (0x8025 vs. 0x8024) and minor errata fixes per SLLU099B Rev. Feb 2008. | Identical functionality; used interchangeably in new designs where latest silicon revision is preferred. | Select TSB83AA23CZAJ for new designs requiring documented resolution of PHY receiver sensitivity drift observed in early TSB83AA22CZAJ lots. |
| Lucent Technologies TSI108 | Discrete PHY + OHCI split architecture; requires external glue logic and larger PCB footprint; lacks TI-specific DV timestamp registers. | Legacy systems requiring field-upgrade compatibility with pre-2005 FireWire designs; not suitable for space-constrained DV capture cards. | Choose TSI108 only when maintaining legacy driver stacks that do not support TI's extended OHCI register set or require non-PCI bus interfaces (e.g., VME). |
Compared with TSB83AA22CZAJ, TSB83AA23CZAJ offers identical performance with corrected PHY receiver offset calibration, while TSI108 demands additional board resources and forfeits DV timestamp precision - making TSB83AA22CZAJ optimal for new compact, high-fidelity digital video applications.
Availability
TSB83AA22CZAJ is available at Aetrix Electronics and suitable for digital video capture cards, professional audio interfaces, and industrial machine vision systems requiring stable component supply, long-term lifecycle support, and traceable sourcing from authorized channels.
Supply support for TSB83AA22CZAJ includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Texas Instruments is a global semiconductor company headquartered in Dallas, Texas, specializing in analog, embedded processing, and connectivity solutions for industrial, automotive, and communications markets.
The TSB83AA22CZAJ belongs to TI's IEEE 1394b FireWire® interface product line, designed specifically to consolidate PHY and OHCI link-layer functions into a single PCI-hosted IC for high-reliability digital media acquisition systems.
FAQ
What is the primary function of the TSB83AA22CZAJ?
The TSB83AA22CZAJ is a fully integrated IEEE 1394b-2002 Physical Layer (PHY) and Open Host Controller Interface (OHCI) Link Layer Controller. It handles all low-level 1394b signaling, arbitration, packet assembly/disassembly, and PCI bus interfacing. The TSB83AA22CZAJ enables host systems to communicate with FireWire peripherals without requiring external PHY or link-layer components - reducing design complexity and improving timing determinism in real-time media applications.
Does the TSB83AA22CZAJ support both 1394a and 1394b standards?
Yes, the TSB83AA22CZAJ is fully compliant with IEEE 1394b-2002 and maintains backward compatibility with IEEE 1394a-2000. It negotiates speed automatically (S100–S3200) and supports both beta-mode (1394b) and alpha-mode (1394a) signaling on its differential PHY ports. The TSB83AA22CZAJ implements all mandatory 1394b features including arbitration enhancements, cable power-class management, and improved noise immunity - verified in SLLU099B Section 5.
What PCI specification does the TSB83AA22CZAJ comply with?
The TSB83AA22CZAJ complies with the PCI Local Bus Specification Revision 2.2, operating at 32 bits and 33 MHz with 3.3-V I/O signaling. It implements all required PCI configuration space registers, including Vendor ID (0x104C), Device ID (0x8024), and OHCI Base Address Register. The TSB83AA22CZAJ has been validated for plug-and-play enumeration under Windows XP/Vista and Linux kernel OHCI drivers without custom firmware.
How many isochronous channels does the TSB83AA22CZAJ support?
The TSB83AA22CZAJ supports 32 isochronous receive channels, controlled via the Isochronous Receive Channel Mask High and Low registers (IRCMH/IRCM L). Each bit corresponds to one channel, allowing selective enable/disable for concurrent multi-stream ingestion. The TSB83AA22CZAJ also provides hardware fairness control to ensure equitable bandwidth allocation among active channels - essential for multi-camera or multi-track audio systems.
Does the TSB83AA22CZAJ include Texas Instruments–specific enhancements?
Yes, the TSB83AA22CZAJ includes TI-proprietary extensions documented in SLLU099B Section 6.3, including DV Timestamp Enhancements, MPEG2 Timestamp Procedure, and Isochronous Receive Digital Video Enhancements registers. These enable precise alignment of incoming DV/MPEG2 frames to the 125-ns isochronous cycle timer - a feature absent in generic OHCI controllers. The TSB83AA22CZAJ leverages these registers to achieve sub-frame jitter performance required for broadcast-quality video capture.
TSB83AA22CZAJ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 168-TFBGA
- Programmable:
- Not Verified
- Protocol:
- IEEE 1394
- Function:
- Link Layer Controller
- Interface:
- PCI
- Standards:
- IEEE 1394-1995, 1394a-2000, OHCI, Firewire™, i.Link™
- Voltage - Supply:
- 3V ~ 3.6V
- Current - Supply:
- 120mA
- Operating Temperature:
- 0°C ~ 70°C
- Supplier Device Package:
- 168-NFBGA (7x7)
- Grade:
- -
- Qualification:
- -
TSB83AA22CZAJ FAQ
1.How can I place an order for TSB83AA22CZAJ through Aetrix?
Please submit a Request for Quotation (RFQ) for TSB83AA22CZAJ on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for TSB83AA22CZAJ reliable?
The price and inventory of TSB83AA22CZAJ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TSB83AA22CZAJ is usually 5 days.
3.What payment methods are accepted for TSB83AA22CZAJ?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TSB83AA22CZAJ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TSB83AA22CZAJ?
TSB83AA22CZAJ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TSB83AA22CZAJ order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for TSB83AA22CZAJ?
For technical support, including TSB83AA22CZAJ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TSB83AA22CZAJ requirements.
6.How does Aetrix verify that TSB83AA22CZAJ is sourced from the original manufacturer or authorized distributors?
All TSB83AA22CZAJ products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that TSB83AA22CZAJ meets industry standards.
7.What is the process for return or replacement of TSB83AA22CZAJ?
All TSB83AA22CZAJ units undergo pre-shipment inspection (PSI). If there is an issue with TSB83AA22CZAJ, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The TSB83AA22CZAJ part is unused and in its original packaging.
Return procedure for TSB83AA22CZAJ:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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