256 Macrocell CPLD The **XCR3256XL-10PQ208I** is a **CPLD (Complex Programmable Logic Device)** manufactured by **Xilinx**. Below are its specifications, descriptions, and features based on factual information:
### **Specifications:**
- **Manufacturer:** Xilinx
- **Series:** XCR3000XL
- **Device Type:** CPLD
- **Number of Logic Elements:** 256 macrocells
- **Operating Frequency:** Up to **178 MHz**
- **Speed Grade:** **-10** (10ns pin-to-pin delay)
- **Package Type:** **PQ208** (Plastic Quad Flat Pack, 208 pins)
- **Operating Voltage:** **3.3V**
- **I/O Voltage:** **3.3V**
- **Number of I/Os:** **158**
- **Maximum User I/Os:** **158**
- **JTAG Support:** Yes (for programming and debugging)
- **Operating Temperature Range:** **Industrial (-40°C to +85°C)**
- **Programmable Logic Type:** In-system programmable (ISP)
### **Descriptions:**
- The **XCR3256XL** is part of Xilinx's **CoolRunner XPLA3 CPLD family**, designed for low-power, high-performance applications.
- It features **fast propagation delays** and **low power consumption**, making it suitable for portable and power-sensitive designs.
- The device supports **5V-tolerant I/Os** (with 3.3V operation), allowing interfacing with legacy 5V systems.
- It includes **advanced power management** features, such as **standby mode** for reduced power consumption.
### **Features:**
- **256 macrocells** with **56 inputs** and **158 I/Os**.
- **High-speed operation** with **10ns pin-to-pin delay**.
- **Low-power design** (typically **100 µA standby current**).
- **In-system programmable (ISP)** via **JTAG interface**.
- **5V-tolerant I/Os** (3.3V core voltage).
- **Flexible clocking options** with multiple global clocks.
- **Industrial temperature range** (-40°C to +85°C).
- **208-pin PQFP package** for high-density designs.
This information is strictly based on the manufacturer's datasheet and technical documentation.
