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TSB43AB22APDTG4

Manufacturer: TI, TI-PBFREE, TI Pb-free

OHCI 1.1, 1394a Link Layer Controller integrated with 1394a, 400Mbps, 2-port Physical Layer (PHY)

Partnumber Manufacturer Quantity Availability
TSB43AB22APDTG4 TI, TI-PBFREE, TI Pb-free 3995 In Stock

Description and Introduction

OHCI 1.1, 1394a Link Layer Controller integrated with 1394a, 400Mbps, 2-port Physical Layer (PHY) The TSB43AB22APDTG4 is a FireWire (IEEE 1394) controller manufactured by Texas Instruments (TI). Below are the key specifications, descriptions, and features based on factual information:

### **Specifications:**  
- **Manufacturer:** Texas Instruments (TI)  
- **Part Number:** TSB43AB22APDTG4  
- **Type:** IEEE 1394a-2000 Two-Port Cable Transceiver/Arbiter  
- **Interface:** FireWire (IEEE 1394a)  
- **Number of Ports:** 2  
- **Data Rate:** 100/200/400 Mbps (S100, S200, S400)  
- **Supply Voltage:** 3.3V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** TQFP-100  
- **Compliance:** IEEE 1394a-2000 Standard  

### **Descriptions:**  
- The TSB43AB22APDTG4 is a dual-port PHY (Physical Layer) device that provides the interface between a FireWire link layer controller and the IEEE 1394 bus.  
- It supports both asynchronous and isochronous data transfers.  
- Designed for high-speed serial data communication in consumer electronics, PCs, and peripherals.  

### **Features:**  
- **Dual-Port PHY:** Supports two IEEE 1394a-2000 compliant ports.  
- **Automatic Bus Initialization:** Includes arbitration and bus reset handling.  
- **Cable Power Monitoring:** Detects power status on connected devices.  
- **Low Power Consumption:** Optimized for power efficiency.  
- **Hot-Plug Support:** Allows devices to be connected/disconnected without powering down.  
- **Integrated Data Resynchronization:** Ensures reliable data transmission.  
- **3.3V Operation:** Compatible with standard logic levels.  

This information is strictly based on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

OHCI 1.1, 1394a Link Layer Controller integrated with 1394a, 400Mbps, 2-port Physical Layer (PHY)

Alternative Part Number

  • TSB43AB22APDT --: Same TSB43AB22A IEEE 1394 controller in the same TQFP package, differing only by the G4 lead-free/Green suffix, so it is a direct functional drop-in.
  • TSB43AB23APDT --: Closely related TI 1394 link-layer controller in the same PDT package with similar pinout and feature set, usable with minor firmware review.
  • TSB43AA22APDT --: Sister TI 1394 controller from the same family with comparable interface and package, suitable as a fallback after verifying register and timing differences.
  • TSB43AB23IPDT --: Closely related TI 1394 link-layer controller from the same TSB43AB2x family with compatible pinout and TQFP package, suitable as a functional substitute when the exact AB22A variant is unavailable.
  • TSB43AB21APDT --: Another member of the TI TSB43AB2x 1394 controller family in the same PDT TQFP package; offers similar IEEE 1394 link-layer functionality and can serve as a fallback alternative with minor feature differences.
  • TSB43AB23PDT --: Closely related TI 1394 link-layer controller in the same PDT package family with compatible pinout and feature set; verify minor register differences before use.
  • TSB43AA22PDT --: Sister device from the same TSB43xx 1394 controller family with similar integrated PHY/link functionality; suitable as a functional substitute after datasheet comparison.
  • FW323-06 --: Third-party IEEE 1394a link-layer controller offering similar 1394 link functionality as a cross-vendor second source; requires board-level and driver validation before use.

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