Spartan-II 2.5V field programmable gate array. The **XC2S150-6FG256C** is a member of the **Spartan-II** FPGA family manufactured by **Xilinx**. Below are its key specifications, descriptions, and features:
### **Specifications:**
- **Family:** Spartan-II
- **Device:** XC2S150
- **Speed Grade:** -6 (indicating performance level)
- **Package:** FG256 (Fine-Pitch Ball Grid Array, 256 pins)
- **Operating Temperature:** Commercial (0°C to +85°C)
- **Logic Cells:** 1,728
- **CLB (Configurable Logic Blocks):** 192
- **Flip-Flops:** 1,536
- **Maximum User I/Os:** 150
- **Block RAM:** 16 Kbits (organized as 8 blocks of 2Kbits each)
- **Dedicated Multipliers:** None (Spartan-II does not include DSP slices)
- **Voltage Supply:**
- Core Voltage: **2.5V**
- I/O Voltage: **3.3V** (supports 5V-tolerant inputs)
### **Descriptions:**
- The **XC2S150-6FG256C** is a mid-range FPGA optimized for cost-sensitive, high-volume applications.
- It is based on Xilinx’s **Spartan-II** architecture, offering a balance of performance and power efficiency.
- Suitable for applications such as consumer electronics, industrial control, and telecommunications.
### **Features:**
- **High-Performance Logic Fabric:**
- Utilizes **4-input LUTs (Look-Up Tables)** for logic implementation.
- Supports **synchronous and asynchronous** reset modes.
- **Flexible I/O Support:**
- Supports **LVTTL, LVCMOS (2.5V/3.3V), PCI (33MHz), and GTL+** standards.
- **5V-tolerant inputs** for mixed-voltage designs.
- **On-Chip Memory:**
- **16 Kbits of distributed RAM** (configurable as single- or dual-port).
- **Clock Management:**
- **Four dedicated global clock networks** for low-skew distribution.
- **Configuration:**
- Supports **serial (SPI, BPI), parallel, and JTAG** configuration modes.
- **Package Details:**
- **256-pin Fine-Pitch BGA (FG256)** with 1.27mm ball pitch.
This FPGA is **obsolete** (not recommended for new designs) but was widely used in legacy systems.
(Note: All details are sourced from Xilinx’s official Spartan-II datasheets.)
