Field programmable gate array. The **XC4005XL-1TQ144C** is a Field-Programmable Gate Array (FPGA) manufactured by **Xilinx**. Below are its specifications, descriptions, and features based on factual information:
### **Specifications:**
- **Family:** XC4000XL
- **Device:** XC4005XL
- **Package:** TQ144 (Thin Quad Flat Pack, 144 pins)
- **Speed Grade:** -1 (Commercial temperature range: 0°C to 70°C)
- **Logic Cells:** ~5,000 gates (varies based on configuration)
- **Configurable Logic Blocks (CLBs):** 100 (8 logic cells per CLB)
- **Flip-Flops:** 800
- **Maximum User I/O:** 112 (varies with package and configuration)
- **Operating Voltage:** 3.3V (5V tolerant I/O)
- **On-Chip RAM:** 6,400 bits (distributed as 32x1 or 16x2 configurations)
- **Programmable Interconnect:** Hierarchical routing resources
### **Descriptions:**
- The **XC4005XL** is part of Xilinx’s **XC4000XL series**, optimized for low-power and high-performance applications.
- It is **SRAM-based**, requiring external configuration memory (PROM or microcontroller) at power-up.
- Supports **in-system programming (ISP)** for reconfigurability.
- Designed for **cost-sensitive, high-volume** applications with moderate logic requirements.
### **Features:**
- **Flexible Logic Architecture:** Configurable Logic Blocks (CLBs) with look-up tables (LUTs) and flip-flops.
- **5V Tolerant I/O:** Allows interfacing with legacy 5V systems while operating at 3.3V core voltage.
- **High-Speed Performance:** Optimized for fast signal processing and state-machine designs.
- **On-Chip Memory:** Distributed RAM for small storage needs.
- **Wide Range of I/O Standards:** Supports LVTTL, LVCMOS, and PCI (3.3V).
- **JTAG Boundary Scan:** Supports testing and debugging via IEEE 1149.1 standard.
- **Low Power Consumption:** Optimized for battery-operated and portable applications.
This information is based solely on the technical specifications of the **XC4005XL-1TQ144C** FPGA from Xilinx's official documentation.
