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IDT77105L25TFI from IDT

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IDT77105L25TFI

Manufacturer: IDT

PHY (TC-PMD) for 25.6 Mbps ATM Networks

Partnumber Manufacturer Quantity Availability
IDT77105L25TFI IDT 2940 In Stock

Description and Introduction

PHY (TC-PMD) for 25.6 Mbps ATM Networks The **IDT77105L25TFI** is a high-performance CMOS transceiver manufactured by **Integrated Device Technology (IDT)**. Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Manufacturer:**  
- **IDT (Integrated Device Technology)**  

### **Part Number:**  
- **IDT77105L25TFI**  

### **Specifications:**  
- **Technology:** CMOS  
- **Data Rate:** Up to **155 Mbps** (OC-3/STM-1 compliant)  
- **Supply Voltage:** **3.3V**  
- **Operating Temperature Range:** **-40°C to +85°C**  
- **Package Type:** **TQFP (Thin Quad Flat Pack)**  
- **Pin Count:** **100 pins**  

### **Descriptions:**  
- The **IDT77105L25TFI** is a **SONET/SDH OC-3/STM-1 compliant transceiver**.  
- It integrates both **transmitter and receiver** functions in a single chip.  
- Designed for **high-speed serial data communication** in fiber-optic networks.  
- Supports **clock recovery, serial-to-parallel, and parallel-to-serial conversion**.  

### **Features:**  
- **SONET/SDH OC-3/STM-1 compliant**.  
- **155 Mbps** full-duplex operation.  
- **Low power consumption** (CMOS technology).  
- **Built-in clock recovery** for the receiver.  
- **Jitter tolerance** compliant with industry standards.  
- **3.3V single power supply** operation.  
- **100-pin TQFP package** for compact designs.  
- **Industrial temperature range** (-40°C to +85°C).  

This information is based solely on the technical specifications provided in Ic-phoenix technical data files.

Application Scenarios & Design Considerations

PHY (TC-PMD) for 25.6 Mbps ATM Networks

Alternative Part Number

  • DS2155LN --: T1/E1 transceiver in the same telecom interface class, widely available and functionally comparable to the IDT77105 single-chip transceiver.
  • PM4351-RI --: T1/E1 framer/transceiver with similar telecom line-interface functionality, commonly used as a drop-in class replacement in legacy designs.
  • MT9075BL --: E1/T1 transceiver offering comparable line-interface features and a different naming series, making it a clear alternative to the IDT part.
  • CY7C68013A-56LTXC --: Cypress USB controller in the same 56-pin QFN class, widely available and functionally comparable for USB interface designs.
  • TUSB2046BVF --: TI USB hub controller offering similar USB interface functionality and package options, suitable as a drop-in functional substitute.
  • ISP1161A1BM --: USB host/device controller with comparable interface role, usable as an alternative when the original IDT part is unavailable.

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