AMD XCS05XL-4VQG100C

Overview

XCS05XL-4VQG100C from AMD is a Spartan-3E FPGA with 5,000 logic cells, 100-pin VQFP package, 1.2 V core voltage, and -4 speed grade; used in industrial control logic, low-cost video interface bridging, and reconfigurable I/O expansion.

For engineers reviewing the XCS05XL-4VQG100C datasheet, pinout, applications, or equivalent options, key selection factors include logic density, I/O count (66 user I/Os), LVCMOS25/LVTTL interface support, and commercial temperature range operation.

Technical Context

The XCS05XL-4VQG100C implements configurable logic blocks (CLBs), distributed RAM, and 18×18 multipliers for arithmetic acceleration. It supports SelectIO standards including LVCMOS25, LVCMOS33, LVTTL, and PCI.

Configuration is performed via Master Serial mode using external PROM or JTAG boundary-scan. The device includes global clock buffers and digital clock managers (DCMs) supporting frequency synthesis and phase alignment.

Key Specifications

Pinout & Package

VQFP-100 (Very Thin Quad Flat Package) with 100 gull-wing terminals, 0.5 mm pitch, and 14 mm × 14 mm body size. RoHS-compliant, lead-free finish.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar FPGA-based logic implementation applications.

Compared with XCS05VL-4VQG100C, the XCS05XL-4VQG100C trades higher static power for lower cost and broader availability; compared with XCS05XL-4TQG100C, it offers identical functionality with a thinner, more compact VQFP package requiring no logic or timing changes.

Availability

XCS05XL-4VQG100C is available at Aetrix Electronics and suitable for industrial control logic, video interface bridging, and reconfigurable I/O expansion requiring stable component supply across multi-year production cycles.

Supply support for XCS05XL-4VQG100C 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

AMD is a U.S.-based semiconductor company specializing in adaptive computing, FPGA, and processing technologies for embedded, industrial, and communications markets.

The Spartan-3E family was designed for cost-sensitive, high-volume applications requiring reconfigurable logic with integrated clock management and I/O flexibility.

FAQ

What is the maximum operating frequency supported by the XCS05XL-4VQG100C?

The XCS05XL-4VQG100C has a -4 speed grade, guaranteeing timing closure for internal logic paths up to 333 MHz. Actual achievable system clock frequency depends on design complexity, routing congestion, and I/O interface standards used. For example, DDR SDRAM interfaces typically run at 100–166 MHz, while internal state machines may reach 250+ MHz in optimized implementations. The XCS05XL-4VQG100C DCM supports output frequencies up to 384 MHz with jitter specifications compliant to Xilinx Spartan-3E timing requirements.

Does the XCS05XL-4VQG100C support JTAG programming?

Yes, the XCS05XL-4VQG100C fully supports IEEE 1149.1 JTAG boundary-scan for in-system programming, debugging, and board-level testing. The TDI, TDO, TCK, TMS, and TRTST pins are dedicated and electrically compatible with standard JTAG adapters. Configuration bitstreams can be loaded directly via JTAG without external PROM, making the XCS05XL-4VQG100C suitable for prototyping and field updates. JTAG also enables readback of configuration memory for verification.

What I/O standards are supported by the XCS05XL-4VQG100C?

The XCS05XL-4VQG100C supports LVCMOS18, LVCMOS25, LVCMOS33, LVTTL, PCI, and HSTL Class I across its 66 user I/O pins. Each I/O bank is independently configurable for voltage and standard, allowing mixed-mode operation-for instance, one bank driving 3.3 V LVTTL peripherals while another interfaces with 2.5 V memory. The XCS05XL-4VQG100C does not support differential standards like LVDS or RSDS natively without external termination resistors.

Is the XCS05XL-4VQG100C pin-compatible with other Spartan-3E devices?

The XCS05XL-4VQG100C shares the same VQFP-100 package and pinout with other Spartan-3E devices in the 100-pin variant, including XCS05VL-4VQG100C and XCS05XL-5VQG100C. However, speed grade (-4 vs. -5) and process variant (XL vs. VL) affect timing margins and power consumption-not pin function mapping. Bitstream compatibility is maintained within the same density and speed grade group, but a -5 bitstream may fail timing on the XCS05XL-4VQG100C due to slower propagation delays.

What configuration modes does the XCS05XL-4VQG100C support?

The XCS05XL-4VQG100C supports Master Serial, Slave Serial, Slave Parallel, and JTAG configuration modes. In Master Serial mode, it drives an external serial PROM (e.g., XCF02S) to load the bitstream automatically on power-up. Slave modes allow configuration by an external controller such as a microprocessor. JTAG mode enables programming and debugging without external memory. All modes are accessible via dedicated configuration pins (e.g., PROG_B, INIT_B, DONE) whose behavior is defined in the XCS05XL-4VQG100C configuration user guide.