AMD XC7S25-1CSGA324C

Overview

XC7S25-1CSGA324C from AMD is a Spartan-7 FPGA with 23,000 logic cells, 1.2 Mb of block RAM, and 120 user I/Os in a 324-pin CSGA package. It operates at -1 speed grade (1.0 ns CLB delay), supports LVCMOS/LVDS I/O standards, and targets cost-sensitive industrial control and embedded vision applications.

For engineers reviewing the XC7S25-1CSGA324C datasheet, pinout, applications, or equivalent options, key selection factors include logic density, I/O voltage flexibility, embedded memory capacity, and industrial temperature range support.

Technical Context

The XC7S25-1CSGA324C implements a 28 nm low-power FPGA architecture with six-channel clock management tiles (CMT), supporting phase-matched dual-clock outputs and programmable delay. It integrates hardened PCIe Gen2 x1 endpoint blocks and 12-bit, 1 MSPS analog-to-digital converters (XADC) for system monitoring.

Configuration is performed via quad-SPI flash or JTAG, with bitstream encryption and SEU mitigation features enabled. The device supports partial reconfiguration and includes dedicated DSP48E1 slices for arithmetic-intensive tasks.

Key Specifications

Pinout & Package

The XC7S25-1CSGA324C is housed in a 15 mm × 15 mm, 324-ball CSGA (Chip Scale Grid Array) package with 0.8 mm pitch and Pb-free finish. It features four dedicated configuration pins (INIT_B, PROGRAM_B, DONE, CCLK), dual bank VCCO supplies, and eight dedicated clock inputs.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar FPGA-based control and interface applications.

Compared with XC7S25-1CSGA324C, the XC7S15-1CSGA324C trades logic capacity for cost reduction while retaining pin compatibility, whereas the XC7A35T-1CPG236C expands digital throughput at the expense of analog monitoring capability and increases board-level complexity.

Availability

XC7S25-1CSGA324C is available at Aetrix Electronics and suitable for industrial PLCs, embedded vision modules, and motor drive feedback interfaces requiring stable component supply across multi-year production cycles.

Supply support for XC7S25-1CSGA324C 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 global semiconductor leader delivering adaptive computing solutions for data centers, AI, embedded systems, and client devices.

The Spartan-7 product line delivers cost-optimized, low-power FPGAs targeting industrial automation, embedded vision, and IoT edge nodes where reliability, small form factor, and analog integration are critical.

FAQ

What is the maximum operating frequency of the XC7S25-1CSGA324C fabric?

The XC7S25-1CSGA324C has a -1 speed grade, guaranteeing reliable operation up to 450 MHz for register-to-register paths under industrial temperature and voltage conditions. Actual achievable frequency depends on design topology and routing; timing analysis must be performed using Vivado Design Suite with the XC7S25-1CSGA324C device model.

Does the XC7S25-1CSGA324C support JTAG boundary scan testing?

Yes, the XC7S25-1CSGA324C fully supports IEEE 1149.1 JTAG boundary scan for PCB-level interconnect testing. Pins TCK, TMS, TDI, and TDO are dedicated to this function and operate independently of configuration mode settings. The XC7S25-1CSGA324C also supports IDCODE and BYPASS instructions per JTAG standard.

Can the XC7S25-1CSGA324C be configured from a serial NOR flash device?

Yes, the XC7S25-1CSGA324C supports master SPI configuration mode using quad-SPI flash devices. Configuration is initiated automatically after power-up when M02 is pulled high. The XC7S25-1CSGA324C supports 32-bit address space and fast read commands compatible with Micron, Winbond, and Macronix flash families.

Is the XC7S25-1CSGA324C pin-compatible with other Spartan-7 devices in the CSGA324 package?

XC7S25-1CSGA324C shares the same 324-ball CSGA footprint with XC7S15-1CSGA324C and XC7S50-1CSGA324C, enabling mechanical compatibility. However, I/O bank assignments and configuration pin locations differ between densities; therefore, XC7S25-1CSGA324C is not electrically or functionally pin-compatible across the Spartan-7 CSGA324 family without board revision.

What thermal management guidance applies to the XC7S25-1CSGA324C in sealed enclosures?

The XC7S25-1CSGA324C has a maximum junction temperature of +125°C and a thermal resistance θJA of 22.5°C/W in typical 4-layer PCB layout. For sealed industrial enclosures, a minimum 250 mm² copper pour under the package and thermal vias to inner ground planes are recommended. Thermal simulation using the XC7S25-1CSGA324C power model in Xilinx Power Estimator is advised before final layout.