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Texas Instruments TSB14C01APMR
- Part No.:
- TSB14C01APMR
- Manufacturer:
- Texas Instruments
- Category:
- Controllers
- Package:
- 64-LQFP
- Datasheet:
-
TSB14C01APMR.pdf
- Description:
- IC LINK LYR CONTROLLER 64LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:3,710
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Product details
Overview
TSB14C01APMR from Texas Instruments is a IEEE 1394-1995 (FireWire) physical-layer transceiver IC for backplane-based high-speed serial bus nodes. It implements data-strobe encoding/decoding, local clock resynchronization, arbitration logic, and 50/100-Mbit/s operation with CMOS-level I/O. It interfaces directly with link-layer controllers like the TSB12C01A in industrial backplane systems requiring deterministic timing and interoperability with FireWire infrastructure.
For engineers reviewing the TSB14C01APMR datasheet, TSB14C01APMR pinout, TSB14C01APMR application, or TSB14C01APMR equivalent, this device is selected for backplane 1394 node design where SCLK synchronization, external oscillator support (49.152/98.304 MHz), and TTL/CMOS-compatible parallel link interface (D0/D1, CTL0/CTL1) are required - not for cable-based FireWire endpoints or standalone PHYs without external driver stage.
Technical Context
The TSB14C01APMR operates as a backplane-only PHY, requiring an external driver stage to drive the backplane - it does not drive the bus directly. Its internal logic performs system initialization, arbitration control (via EX_PRI/EX_ID inputs), and bit-level data-strobe encoding at 98.304 Mbit/s (S100) or 49.152 Mbit/s (S50).
It provides two parallel 25/50-MHz data paths (D0/D1) and control lines (CTL0/CTL1) to the link layer, with synchronized SCLK and TSCLK outputs (180° out-of-phase). The device accepts either XI_100 (98.304 MHz) or XI_50 (49.152 MHz) reference input, with OSC_SEL selecting mode, and delivers 49.152-MHz or 24.576-MHz clocks to the link depending on configuration.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Interface Standard | IEEE 1394-1995 backplane physical layer; fully interoperable with FireWire implementations. |
| Data Rate | Supports S100 (100 Mbit/s) and S50 (50 Mbit/s) modes via oscillator selection and OSC_SEL control. |
| Link Interface | 25/50-MHz parallel interface: D0/D1 (bidirectional data), CTL0/CTL1 (bidirectional control), SCLK/TSCLK (clock outputs). |
| Oscillator Input | Accepts 49.152-MHz (XI_50) or 98.304-MHz (XI_100) CMOS reference; internally divided for system timing. |
| Supply Voltage | Single 5-V supply (4.5 V to 5.25 V); CMOS-level outputs with ±24-mA low-level drive capability. |
| Operating Temperature | 0°C to 70°C (PM package); specified for industrial backplane environments with stable thermal profile. |
| Package | 64-pin Thin Quad Flat Pack (TQFP, PM); lead-free compatible per TI standard packaging. |
Pinout & Package
TSB14C01APMR is packaged in a 64-pin TQFP (PM) with 0.5-mm pitch, designed for surface-mount assembly and thermal performance up to 70°C ambient. Pin functions are validated per TI SGLS107A datasheet revision November 1999.
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| D0, D1 | Bidirectional data I/O | Parallel 25/50-MHz data path between TSB14C01APMR and link-layer controller (e.g., TSB12C01A). |
| CTL0, CTL1 | Bidirectional control I/O | Carry encoded control states (request, status, transmit, receive) under PHY-initiated protocol. |
| SCLK, TSCLK | System clock outputs | SCLK = 49.152 MHz (S100) or 24.576 MHz (S50); TSCLK is 180° out-of-phase for timing margining. |
| RDATA, RSTRB | Receive data/strobe inputs | Accept encoded incoming data-strobe stream from external backplane driver; enable resynchronization. |
| TDATA, TSTRB | Transmit data/strobe outputs | Deliver encoded outbound data-strobe to external driver; require N_OEB_D assertion for enable. |
| N_OEB_D | Negative-enable output driver | Active-low signal enabling external drivers for TDATA/TSTRB; critical for backplane driver gating. |
| OSC_SEL | Oscillator mode select | Pulled to VCC for 50-MHz mode (XI_50), grounded for 100-MHz mode (XI_100); must not float. |
Key Features
| Feature | Design Value |
|---|---|
| Data-strobe encoding/decoding | Enables robust 100-Mbit/s transmission over noisy backplanes by embedding clock recovery in data stream. |
| Local clock resynchronization | Recovers receive clock from RDATA/RSTRB and re-times serial data to local 49.152-MHz system clock. |
| Arbitration logic support | Provides EX_ID0–EX_ID5 and EX_PRI0–EX_PRI3 inputs for externally configured node ID and priority in backplane contention. |
| Backplane-optimized interface | Separate transmitter/receiver paths and N_OEB_D control allow integration with BTL/GTL drivers matched to backplane impedance (33 Ω or 50 Ω). |
| IEEE 1394-1995 compliance | Fully implements Annex D (timing), Chapter 5 (backplane PHY spec), and Annex F (implementation example) for certified interoperability. |
Applications
| Industrial Backplane Networks | Avionics Data Bus Interfaces |
|---|---|
|
Use Scenario: High-reliability interconnect between mission-critical avionics modules using deterministic 1394 backplane topology. IC Role / Device Role / Timing Role: Physical-layer transceiver managing data-strobe serialization, arbitration signaling, and clock distribution to link-layer controller. Use Value: Enables 100-Mbit/s deterministic packet transfer with built-in resynchronization - eliminating jitter accumulation across long backplane traces. |
Use Scenario: Real-time sensor fusion and flight control subsystems requiring low-latency, fault-tolerant serial interconnect. IC Role / Device Role / Timing Role: Backplane PHY providing wired-OR arbitration, priority-driven bus access, and SCLK-synchronized data handoff to TSB12C01A link layer. Use Value: Supports IEEE 1394 Annex G isochronous resource management for time-critical control loops without software overhead. |
| Medical Imaging Subsystems | Test & Measurement Equipment |
|
Use Scenario: High-bandwidth image data transport between FPGA-based acquisition boards and host processors in MRI/PET systems. IC Role / Device Role / Timing Role: Transceiver handling 50/100-Mbit/s encoded streams from multiple imaging channels with precise clock alignment. Use Value: Delivers 49.152-MHz SCLK to link layer for pixel-clock-aligned frame buffering - reducing inter-frame skew in multi-channel capture. |
Use Scenario: Modular instrumentation chassis with hot-swappable 1394-connected measurement modules. IC Role / Device Role / Timing Role: PHY implementing bus reset, node enumeration, and priority arbitration during module insertion/removal sequences. Use Value: Enables seamless plug-and-play via INHB and IBR register control - allowing dynamic reconfiguration without host intervention. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar IEEE 1394 backplane PHY applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TSB14C01AIPM | Same die, extended temperature range (–40°C to 85°C); identical pinout and electrical specs. | Required for automotive or outdoor industrial deployments where ambient exceeds 70°C. | Select TSB14C01AIPM when operating temperature exceeds 70°C; otherwise TSB14C01APMR is optimal for cost and thermal footprint. |
| TSB12LV01 | 3.3-V LVDS PHY; supports only 50-Mbit/s; no S100 mode or XI_100 input; different register map and pinout. | Designed for low-power, low-voltage embedded systems - not drop-in compatible with TSB14C01APMR designs. | Choose TSB12LV01 only for new 3.3-V, space-constrained designs targeting ≤50-Mbit/s; requires full PCB and firmware redesign. |
Compared with TSB14C01AIPM, TSB14C01APMR offers lower cost and optimized thermal dissipation for commercial-temperature backplanes; compared with TSB12LV01, it delivers higher bandwidth, dual-mode oscillator support, and direct compatibility with legacy 5-V link-layer controllers - making it the sole choice for retrofitting or maintaining existing IEEE 1394 backplane infrastructure.
Availability
TSB14C01APMR is available at Aetrix Electronics and suitable for industrial backplane networks, avionics data buses, medical imaging subsystems, and test & measurement equipment requiring stable component supply, long-lifecycle support, and traceable sourcing.
Supply support for TSB14C01APMR 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 leader specializing in analog, embedded processing, and connectivity solutions with decades of IEEE standards implementation expertise.
The TSB14C01APMR belongs to TI's IEEE 1394 physical-layer product line, engineered specifically for deterministic, high-integrity backplane serial interconnects in industrial, aerospace, and medical systems - not for consumer FireWire peripherals.
FAQ
What is the primary function of the TSB14C01APMR in a 1394 system?
The TSB14C01APMR serves as the physical-layer (PHY) transceiver for IEEE 1394-1995 backplane implementations. It handles data-strobe encoding/decoding, local clock resynchronization, arbitration logic, and parallel interface signaling with a link-layer controller such as the TSB12C01A. Unlike cable PHYs, the TSB14C01APMR does not drive the backplane directly and requires external drivers - a key architectural distinction confirmed in its datasheet functional description.
Does the TSB14C01APMR support both 50-Mbit/s and 100-Mbit/s operation?
Yes, the TSB14C01APMR supports both S50 (50-Mbit/s) and S100 (100-Mbit/s) modes. Mode selection is controlled by the OSC_SEL pin: pulled high for 50-Mbit/s (using XI_50 = 49.152 MHz), grounded for 100-Mbit/s (using XI_100 = 98.304 MHz). The internal divider generates corresponding 24.576-MHz or 49.152-MHz clocks for the link layer, as verified in the "Functional Block Diagram" and "Terminal Functions" sections of the SGLS107A datasheet.
Can the TSB14C01APMR be used in cable-based FireWire applications?
No, the TSB14C01APMR is explicitly designed for backplane environments only. Its datasheet states it "is not designed to drive the backplane directly, this function must be provided externally" and specifies interface requirements for BTL/GTL drivers and wired-OR arbitration - all incompatible with cable PHY requirements. Cable-based FireWire uses different PHYs (e.g., TSB12C01A + TSB14C01A in tandem), whereas the TSB14C01APMR targets fixed-backplane topologies.
What is the role of the N_OEB_D pin on the TSB14C01APMR?
N_OEB_D is a negative-active output-enable signal that controls external drivers for TDATA and TSTRB. When asserted low, it enables those drivers to place encoded data-strobe onto the backplane; when high, it places them in high-impedance state. This pin is essential for bus arbitration and power management, and its function is documented in the "Terminal Functions" table (Pin 37, PM package) of the SGLS107A datasheet.
Is the TSB14C01APMR pin-compatible with other devices in the TSB14C01x family?
Yes, the TSB14C01APMR shares identical pinout and functionality with TSB14C01AIPM (industrial temp) and TSB14C01AMHV (military temp, CFP package), as confirmed in the "AVAILABLE OPTIONS" table of the datasheet. All variants use the same PM package footprint and terminal mapping - differences are limited to temperature grade and packaging, not pin assignment or electrical behavior.
TSB14C01APMR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 64-LQFP
- Programmable:
- Not Verified
- Protocol:
- IEEE 1394
- Function:
- Link Layer Controller
- Interface:
- Parallel
- Standards:
- IEEE 1394-1995
- Voltage - Supply:
- 4.5V ~ 5.5V
- Current - Supply:
- -
- Operating Temperature:
- 0°C ~ 70°C
- Supplier Device Package:
- 64-LQFP (10x10)
- Grade:
- -
- Qualification:
- -
TSB14C01APMR FAQ
1.How can I place an order for TSB14C01APMR through Aetrix?
Please submit a Request for Quotation (RFQ) for TSB14C01APMR 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 TSB14C01APMR reliable?
The price and inventory of TSB14C01APMR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TSB14C01APMR is usually 5 days.
3.What payment methods are accepted for TSB14C01APMR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TSB14C01APMR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TSB14C01APMR?
TSB14C01APMR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TSB14C01APMR 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 TSB14C01APMR?
For technical support, including TSB14C01APMR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TSB14C01APMR requirements.
6.How does Aetrix verify that TSB14C01APMR is sourced from the original manufacturer or authorized distributors?
All TSB14C01APMR 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 TSB14C01APMR meets industry standards.
7.What is the process for return or replacement of TSB14C01APMR?
All TSB14C01APMR units undergo pre-shipment inspection (PSI). If there is an issue with TSB14C01APMR, 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 TSB14C01APMR part is unused and in its original packaging.
Return procedure for TSB14C01APMR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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