Field programmable gate array. The **XC4008E-4PC84I** is a Field Programmable Gate Array (FPGA) manufactured by **Xilinx**. Below are the specifications, descriptions, and features based on factual information:
### **Specifications:**
- **Family:** XC4000E
- **Device:** XC4008E
- **Speed Grade:** -4
- **Package:** PC84 (Plastic Leaded Chip Carrier, 84-pin)
- **Operating Temperature:** Industrial (-40°C to +85°C)
- **Logic Cells:** ~8,000 gates (equivalent)
- **Configurable Logic Blocks (CLBs):** 64
- **Flip-Flops:** 256
- **Maximum User I/O:** 64 (package-dependent)
- **On-Chip RAM:** 128 bits per CLB (distributed RAM)
- **Supply Voltage:** 5V
### **Descriptions:**
- The **XC4000E** series is an enhanced version of Xilinx’s XC4000 FPGAs, offering improved performance and flexibility.
- The **XC4008E** provides a mid-range logic capacity suitable for various digital applications.
- It features reprogrammable SRAM-based configuration, allowing design modifications without hardware changes.
- The **PC84** package is a leaded plastic chip carrier with 84 pins, suitable for through-hole or surface-mount assembly.
### **Features:**
- **High-Speed Performance:** Optimized for -4 speed grade (faster timing).
- **Flexible Interconnect:** Hierarchical routing resources for efficient signal distribution.
- **On-Chip Memory:** Distributed RAM for small storage needs.
- **5V Operation:** Compatible with standard TTL logic levels.
- **Reconfigurable:** In-system programmability via SRAM-based configuration.
- **Industrial Temperature Range:** Supports harsh environments (-40°C to +85°C).
This FPGA is commonly used in prototyping, digital signal processing, and embedded systems. For exact pinout and timing details, refer to Xilinx’s official datasheets.
