XC95108 In-System Programmable CPLD The **XC95108-20TQ100C** is a **Complex Programmable Logic Device (CPLD)** manufactured by **Xilinx**. Below are its key specifications, descriptions, and features:
### **Specifications**
- **Manufacturer:** Xilinx
- **Family:** XC9500
- **Series:** XC9500XL
- **Device Type:** CPLD
- **Number of Macrocells:** 108
- **Number of I/O Pins:** 72
- **Operating Voltage:** 3.3V
- **Speed Grade:** -20 (20 ns pin-to-pin delay)
- **Package Type:** TQFP (Thin Quad Flat Package)
- **Package Pins:** 100
- **Operating Temperature:** Commercial (0°C to +70°C)
- **Programmable Logic Type:** In-System Programmable (ISP)
- **Maximum Frequency:** ~55 MHz (varies based on design)
### **Descriptions**
- The **XC95108-20TQ100C** is a high-performance CPLD with **108 macrocells**, making it suitable for complex logic designs.
- It supports **3.3V operation** and features **in-system programmability (ISP)**, allowing for easy field upgrades.
- The device is housed in a **100-pin TQFP package**, providing a compact footprint.
- It is part of the **XC9500XL family**, known for low power consumption and high-speed performance.
### **Features**
- **108 macrocells** organized in **6 function blocks** (18 macrocells per block).
- **72 user I/O pins** with **5V tolerant inputs**.
- **Fast pin-to-pin delays (20 ns)** for high-speed applications.
- **In-System Programmable (ISP)** via IEEE 1149.1 (JTAG) interface.
- **Low power consumption** (compared to older XC9500 series).
- **Advanced pin-locking architecture** for flexible routing.
- **5V tolerant I/Os** for mixed-voltage system compatibility.
- **High noise immunity** and reliable operation.
This device is commonly used in **digital logic designs, telecommunications, industrial control, and embedded systems**.
(Note: All details are based on factual specifications from Xilinx’s official documentation.)
