Gigabit Ethernet Serdes in small 40-pin package 40-VQFN -40 to 85 The part **TLK1221RHAT** is manufactured by **Texas Instruments (TI)**. Below are its specifications, descriptions, and features based on Ic-phoenix technical data files:  

### **Specifications:**  
- **Manufacturer:** Texas Instruments (TI)  
- **Type:** High-Speed Transceiver  
- **Data Rate:** Up to **1.25 Gbps**  
- **Interface:** Serial LVDS (Low-Voltage Differential Signaling)  
- **Supply Voltage:** **3.3V**  
- **Operating Temperature Range:** **-40°C to +85°C**  
- **Package:** **40-Pin VQFN (RHA)**  

### **Descriptions:**  
- The **TLK1221RHAT** is a high-speed transceiver designed for serial data communication applications.  
- It supports bidirectional data transfer with LVDS signaling for robust noise immunity.  
- Suitable for applications requiring high-speed data transmission, such as telecommunications, networking, and industrial systems.  

### **Features:**  
- **1.25 Gbps** maximum data rate  
- **LVDS I/O** for low-power, high-speed signaling  
- **3.3V single-supply operation**  
- **40-pin VQFN package** for compact PCB design  
- **Wide operating temperature range** (-40°C to +85°C)  
- **Low jitter** for reliable high-speed communication  

This information is strictly factual and sourced from the manufacturer's specifications.

Gigabit Ethernet Serdes in small 40-pin package 40-VQFN -40 to 85