256 Macrocell CPLD The **XCR3256XL-7PQ208C** is a **CPLD (Complex Programmable Logic Device)** manufactured by **Xilinx**. Below are its specifications, descriptions, and features based on factual information:
### **Specifications:**
- **Device Type:** CPLD (CoolRunner XPLA3 Family)
- **Part Number:** XCR3256XL-7PQ208C
- **Package:** 208-Pin PQFP (Plastic Quad Flat Pack)
- **Speed Grade:** -7 (7ns pin-to-pin delay)
- **Logic Cells:** 256 macrocells
- **Gates:** ~6,000 usable gates
- **Operating Voltage:** 3.3V (supports 5V-tolerant I/O)
- **I/O Pins:** 160 (maximum user I/Os)
- **Operating Temperature:** Commercial (0°C to +70°C)
- **On-Chip Memory:** None (dedicated CPLD, no embedded RAM)
- **JTAG Support:** Yes (for programming and debugging)
### **Descriptions:**
- Designed for **low-power, high-performance** applications.
- Uses **Xilinx XPLA3 architecture** with fast pin-to-pin delays.
- Suitable for **glue logic, bus interfacing, and control applications**.
- Non-volatile, reprogrammable via **JTAG or parallel programming**.
### **Features:**
- **Low Power Consumption:** Advanced CMOS process for power efficiency.
- **5V I/O Tolerance:** Supports mixed-voltage systems.
- **Fast Propagation Delays:** 7ns speed grade for high-speed designs.
- **Flexible I/O:** Supports **LVCMOS, LVTTL, and PCI-compatible** interfaces.
- **In-System Programmable (ISP):** Allows field updates via JTAG.
- **High Noise Immunity:** Robust signal integrity in noisy environments.
- **Zero-Power Mode:** Reduces standby current when inactive.
This information is strictly based on the manufacturer's datasheet and technical documentation.
