Spartan-IIE 1.8V FPGA Family The **XC2S50E-7PQ208C** is a member of the **Spartan-IIE** family of Field Programmable Gate Arrays (FPGAs) manufactured by **Xilinx**. Below are its key specifications, descriptions, and features:
### **Specifications:**
- **Family:** Spartan-IIE
- **Device:** XC2S50E
- **Speed Grade:** -7 (7ns pin-to-pin delay)
- **Package:** PQ208 (208-pin Plastic Quad Flat Pack)
- **Operating Temperature:** Commercial (0°C to +85°C)
- **Logic Cells:** 1,728
- **CLB (Configurable Logic Blocks):** 192 (4 slices per CLB)
- **Flip-Flops:** 1,536
- **Maximum User I/Os:** 146
- **Block RAM:** 32 Kbits (16 blocks × 2 Kbits each)
- **Distributed RAM:** 24 Kbits
- **Dedicated Multipliers:** None (Spartan-IIE does not include DSP blocks)
- **Voltage Supply:**
- Core Voltage: **1.8V**
- I/O Voltage: **3.3V** (supports multiple standards)
- **Maximum Frequency:** ~200 MHz (varies by design)
### **Descriptions:**
- The **XC2S50E-7PQ208C** is a mid-range FPGA optimized for cost-sensitive, high-volume applications.
- It features a **5-layer metal process** for improved performance and density.
- Supports **SelectRAM™ memory hierarchy** (Block RAM + Distributed RAM).
- Includes **Digital Clock Managers (DCMs)** for clock conditioning (delay-locked loops).
- I/O supports **LVTTL, LVCMOS, PCI, and other standards**.
### **Features:**
- **Low-cost FPGA** with balanced logic and memory resources.
- **High-performance** with fast carry logic and arithmetic functions.
- **Flexible I/O** with 3.3V operation and 5V tolerance on some pins.
- **On-chip clock management** via DCMs for skew reduction and frequency synthesis.
- **SRAM-based configuration** with support for multiple configuration modes (Serial, Parallel, JTAG).
- **IEEE 1149.1 (JTAG) boundary scan** support for testing.
This FPGA is commonly used in **consumer electronics, industrial control, communications, and embedded systems**.
(Note: All details are based on Xilinx's official datasheets and product documentation.)
