AMD XC2S300E-6PQ208C

Overview

XC2S300E-6PQ208C from Xilinx is a second-generation Spartan-IIE Field-Programmable Gate Array with 6,912 logic cells, 329 user I/Os, four Delay-Locked Loops (DLLs), 98,304 bits of distributed RAM, and 64 Kbits of block RAM. It operates at 1.8 V core voltage and supports 19 I/O standards including LVTTL, LVCMOS, SSTL, HSTL, and LVDS - deployed in high-volume industrial control, communications interface bridging, and legacy PCI subsystem acceleration.

For engineers reviewing the XC2S300E-6PQ208C datasheet, pinout, applications, or equivalent options, key selection criteria include DLL-based clock deskew for synchronous bus interfaces, hot-swap–capable I/O banks for CompactPCI-compliant backplane insertion, and dual-voltage I/O (1.5/2.5/3.3 V) support per bank with independent VREF assignment.

Technical Context

The XC2S300E-6PQ208C implements a regular array of Configurable Logic Blocks (CLBs), each containing four logic cells with 4-input LUTs, dedicated carry chains, and dual flip-flops per slice. Its architecture includes two columns of 4K-bit true dual-port block RAM and distributed RAM formed from LUTs - enabling both deep buffering and high-speed register-intensive logic.

Four corner-located DLLs provide zero-delay clock distribution, phase shifting, multiplication (up to ×2), and division (÷2, ÷4). I/O is organized into eight independent voltage banks on the PQ208 package, each supporting mixed signaling standards under shared VCCO but distinct VREF - with hot-swap capability enabled across all I/O pins during unpowered insertion.

Key Specifications

Pinout & Package

XC2S300E-6PQ208C uses a 208-pin Plastic Quad Flat Package (PQFP) with 28 mm × 28 mm body size, 0.5 mm pitch, and exposed thermal pad. Pin assignments follow Xilinx DS077-4 (v3.0), with eight I/O banks (Bank 0–7), four global clock inputs (GCLK0–GCLK3), and dedicated configuration pins (INIT, PROGRAM, DONE, CCLK, DIN).

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar FPGA logic and I/O interface applications.

Compared with XC2S300E-6PQ208C, XCV300E-6PQ240C offers higher performance but at greater cost and power, while XC3S200-4PQ240C provides modern architecture and tooling yet sacrifices native PCI timing control and hot-swap assurance - making XC2S300E-6PQ208C uniquely suited for cost-sensitive, PCI-legacy industrial upgrades.

Availability

XC2S300E-6PQ208C is available at Aetrix Electronics and suitable for industrial motion control, legacy PCI subsystem replacement, and telecom backplane interface applications requiring stable component supply through extended lifecycle management.

Supply support for XC2S300E-6PQ208C includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Xilinx, Inc. is a pioneering programmable logic company founded in 1984, acquired by AMD in 2022, and known for FPGA, SoC, and adaptive compute acceleration platforms.

The Spartan-IIE family was designed specifically for high-volume, cost-sensitive applications requiring ASIC-like performance without mask costs - targeting industrial automation, communications infrastructure, and embedded vision systems where reprogrammability and I/O flexibility are essential.

FAQ

Is XC2S300E-6PQ208C still in production?

No - XC2S300E-6PQ208C was discontinued per Xilinx Change Notice XCN12026 (2012). However, Aetrix Electronics maintains verified legacy inventory with full traceability and extended support for ongoing industrial deployments requiring exact form-fit-function replacement.

What configuration modes does XC2S300E-6PQ208C support?

XC2S300E-6PQ208C supports master serial (via Platform Flash PROM), slave serial, slave parallel, and IEEE 1149.1 JTAG boundary scan configuration. The DONE pin asserts high upon successful bitstream loading, enabling system reset synchronization - critical for deterministic boot in safety-critical applications.

Can XC2S300E-6PQ208C interface directly with 3.3 V PCI buses?

Yes - XC2S300E-6PQ208C is fully 3.3 V PCI compliant up to 66 MHz and CardBus compatible. Its I/O banks support LVTTL signaling at 3.3 V with 24 mA drive strength, and internal clamping diodes connect to VCCO for robust ESD protection - eliminating need for external PCI bus terminators in standard implementations.

Does XC2S300E-6PQ208C support differential I/O standards like LVDS?

Yes - XC2S300E-6PQ208C supports LVDS and Bus LVDS on up to 205 differential I/O pairs. Each pair requires external 100 Ω termination and operates at 2.5 V VCCO; the DLL ensures matched delay between P/N paths, maintaining <100 ps skew for reliable high-speed data capture.

How many clock domains can be managed simultaneously using XC2S300E-6PQ208C's DLLs?

XC2S300E-6PQ208C contains four independent DLLs, each capable of generating up to three derived clocks (multiply, divide, phase shift). This enables concurrent management of ≥12 distinct clock domains - such as 50 MHz motor control, 27 MHz video, 125 MHz Ethernet PHY, and 33 MHz PCI - with guaranteed skew ≤50 ps across die.