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XC2S50-5PQ208I from XILINX

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XC2S50-5PQ208I

Manufacturer: XILINX

Spartan-II 2.5V field programmable gate array.

Partnumber Manufacturer Quantity Availability
XC2S50-5PQ208I,XC2S505PQ208I XILINX 14 In Stock

Description and Introduction

Spartan-II 2.5V field programmable gate array. The **XC2S50-5PQ208I** 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:** XC2S50  
- **Speed Grade:** -5 (indicating performance level)  
- **Package:** PQ208 (Plastic Quad Flat Pack, 208 pins)  
- **Operating Temperature:** Industrial (-40°C to +85°C)  
- **Logic Cells:** 1,728  
- **CLB (Configurable Logic Blocks):** 192  
- **Flip-Flops:** 2,304  
- **Maximum User I/Os:** 140  
- **Block RAM:** 32 Kbits (16 blocks × 2 Kbits each)  
- **Dedicated Multipliers:** None (Spartan-II does not include DSP slices)  
- **Voltage Supply:**  
  - Core Voltage: **2.5V**  
  - I/O Voltage: **3.3V** (5V tolerant with some restrictions)  

### **Descriptions & Features:**  
- **FPGA Architecture:** Based on a **look-up table (LUT)** design with 4-input LUTs for logic implementation.  
- **On-Chip Memory:** Distributed and block RAM for data storage.  
- **I/O Standards Support:**  
  - LVTTL, LVCMOS (3.3V, 2.5V)  
  - PCI (33 MHz, 3.3V)  
  - GTL, GTL+, HSTL, SSTL (for high-speed interfaces)  
- **Clock Management:**  
  - Four **Digital Clock Managers (DCMs)** for clock skew elimination, frequency synthesis, and phase shifting.  
- **Configuration:** Supports multiple configuration modes, including **JTAG, Slave Serial, Master Serial, and SelectMAP**.  
- **Applications:** Used in cost-sensitive, high-volume applications such as consumer electronics, industrial control, and telecommunications.  

This FPGA is now considered **obsolete** (no longer in production) but was widely used in early 2000s embedded systems.  

Would you like any additional details?

Application Scenarios & Design Considerations

Spartan-II 2.5V field programmable gate array.

Alternative Part Number

  • XC2S50-5PQG208I --: Same Spartan-II family, same 50K-gate density, same PQ208 package and industrial grade, but with lead-free (G) RoHS-compliant packaging; functionally equivalent and often a drop-in replacement.
  • XC2S50-5TQG144I --: Same Spartan-II 50K-gate device and speed grade in a smaller lead-free TQ144 package; suitable when board layout can accommodate the different footprint and fewer I/O.
  • XC3S50-4PQG208I --: Spartan-3 successor family with comparable 50K-gate logic capacity in the same PQ208 package; offers a migration path with similar I/O count, though pinout and voltage differences require design review.

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