Virtex-E 1.8V field programmable gate array. The **XCV100E-6FG256C** is a member of the **Virtex-E** family of Field-Programmable Gate Arrays (FPGAs) manufactured by **Xilinx**. Below are its key specifications, descriptions, and features:
### **Specifications:**
- **Family:** Virtex-E
- **Device:** XCV100E
- **Speed Grade:** -6 (indicating performance level)
- **Package:** FG256 (Fine-Pitch Ball Grid Array with 256 pins)
- **Operating Temperature:** Commercial (0°C to +85°C)
- **Logic Cells:** ~108,000 system gates (equivalent to ~10,000 logic cells)
- **CLB (Configurable Logic Blocks) Array:** 32 x 48
- **Flip-Flops:** ~12,288
- **Look-Up Tables (LUTs):** ~12,288
- **Max User I/Os:** 176 (package-dependent)
- **Block RAM:** 160 Kb (distributed in 32 blocks of 4 Kb each)
- **Dedicated Multipliers:** None (Virtex-E does not include DSP slices)
- **Clock Management:** Digital Delay-Locked Loops (DLLs) for clock synchronization
### **Descriptions:**
- **Architecture:** The XCV100E-6FG256C is built on a **1.8V core voltage** with **5V-tolerant I/O** support.
- **Interconnect:** Uses a hierarchical routing structure for high-speed signal propagation.
- **Configuration:** Supports multiple configuration modes, including **JTAG, Slave Serial, Master Serial, and SelectMAP**.
- **Applications:** Suitable for high-performance digital designs in telecommunications, networking, and embedded systems.
### **Features:**
- **High-Speed Performance:** Optimized for -6 speed grade with fast signal processing.
- **Flexible I/O:** Supports multiple I/O standards (LVTTL, LVCMOS, HSTL, SSTL, GTL).
- **On-Chip Memory:** Distributed block RAM for efficient data storage.
- **DLLs for Clock Management:** Reduces skew and improves timing accuracy.
- **Reconfigurability:** Fully programmable logic for custom digital circuit implementation.
- **Package:** FG256 BGA for compact and high-density PCB designs.
This FPGA is now considered legacy, as Xilinx has transitioned to newer families like Virtex-II, Virtex-4, and beyond.
