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ISP1123BD from PHI,Philips

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ISP1123BD

Manufacturer: PHI, PHILIPS

Universal Serial Bus compound hub

Partnumber Manufacturer Quantity Availability
ISP1123BD PHI, PHILIPS 4582 In Stock

Description and Introduction

Universal Serial Bus compound hub The ISP1123BD is a USB interface IC manufactured by Philips Semiconductors (now NXP Semiconductors).  

**Key Specifications:**  
- **Interface:** USB Full-Speed (12 Mbps) compliant.  
- **Package:** SO16 (Small Outline 16-pin package).  
- **Operating Voltage:** 3.3V (±10%).  
- **Integrated Features:**  
  - USB transceiver with integrated pull-up resistor.  
  - Supports control, bulk, and interrupt transfer types.  
  - Built-in 3.3V voltage regulator.  
  - Low-power suspend mode.  

**Descriptions and Features:**  
- Designed for embedded USB applications.  
- Includes an integrated Serial Interface Engine (SIE) for USB protocol handling.  
- Supports direct connection to microcontrollers via parallel or serial interface.  
- Provides overcurrent detection and protection.  
- RoHS compliant.  

**Applications:**  
- USB peripherals (keyboards, mice, etc.).  
- Industrial and consumer USB devices.  
- Embedded systems requiring USB connectivity.  

(Note: This IC may be obsolete; verify availability with NXP or authorized distributors.)

Application Scenarios & Design Considerations

Universal Serial Bus compound hub

Alternative Part Number

  • PDIUSB12D --: USB 1.1 interface controller with similar function and pinout, widely used as a drop-in replacement in USB hub designs.
  • USB2512B --: USB 2.0 hub controller offering comparable functionality with better performance and broad availability.
  • TUSB2046B --: Four-port USB hub controller with similar interface characteristics, suitable as a functional substitute.
  • CY7C65632 --: USB hub controller with similar USB connectivity role, suitable as a functional substitute.

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