AMD XC7S25-1FTGB196C

Overview

XC7S25-1FTGB196C from AMD is a Spartan-7 FPGA with 23,040 logic cells, 1.2 Mb of block RAM, and 120 user I/Os in a 196-pin FTGB (Fine-Pitch Thin Quad Flatpack Ball Grid Array) package. It operates at -1 speed grade (1.0 ns CLB delay), supports SelectIO™ standards up to 1.8 V, and targets cost-sensitive industrial control and embedded vision applications.

For engineers reviewing the XC7S25-1FTGB196C datasheet, pinout, applications, or equivalent options, key selection factors include I/O voltage flexibility, integrated configuration memory, single-event upset (SEU) mitigation capability, and support for JTAG boundary-scan testing.

Technical Context

The XC7S25-1FTGB196C implements a 28 nm HKMG process-based architecture with configurable logic blocks (CLBs), 6-input LUTs, distributed RAM, and shift registers. It integrates dual 12-bit 1 MSPS ADCs and supports XADC monitoring of on-chip temperature and supply voltages.

Configuration is performed via Master SPI or JTAG, with bitstream encryption enabled through AES-256. The device includes dedicated clock management tiles with PLLs supporting input frequencies from 10 MHz to 625 MHz and output jitter under 150 ps RMS.

Key Specifications

Pinout & Package

XC7S25-1FTGB196C is housed in a 196-ball FTGB package (12 mm × 12 mm, 0.8 mm pitch), with 120 user-configurable I/Os distributed across 8 banks, each supporting independent VCCO levels (1.2 V to 1.8 V).

Key Features

Applications

Equivalent & Alternatives

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

Compared with XC7S25-1FTGB196C, XC7S15-1FTGB196C offers cost reduction at the expense of logic capacity, while XC7A35T-1CPG236C trades integrated analog monitoring for greater digital compute density and expanded I/O routing flexibility.

Availability

XC7S25-1FTGB196C is available at Aetrix Electronics and suitable for industrial automation, embedded vision systems, and motor control applications requiring stable component supply, long-term lifecycle assurance, and consistent traceable sourcing.

Supply support for XC7S25-1FTGB196C 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 designs and manufactures high-performance adaptive computing solutions, including FPGAs, adaptive SoCs, and AI accelerators for data center, edge, and embedded markets.

The Spartan-7 product line delivers cost-optimized, low-power FPGA functionality targeting industrial control, IoT edge nodes, and embedded vision where reliability, small form factor, and integrated analog monitoring are critical.

FAQ

What is the maximum operating junction temperature for XC7S25-1FTGB196C?

The XC7S25-1FTGB196C has a maximum operating junction temperature of 100 °C, validated under industrial temperature grade (-40 °C to +100 °C ambient). This rating ensures reliable operation in enclosed control cabinets and uncooled edge devices. Thermal derating curves in the official AMD Spartan-7 DC and Switching Characteristics datasheet define safe power dissipation limits at elevated temperatures. The XC7S25-1FTGB196C thermal performance is verified using JEDEC JESD51-1 compliant test boards.

Does XC7S25-1FTGB196C support partial reconfiguration?

No, XC7S25-1FTGB196C does not support partial reconfiguration. The Spartan-7 family lacks the hardware infrastructure (e.g., dedicated configuration ports and frame-addressable logic partitions) required for dynamic module swapping. Full reconfiguration via JTAG or SPI is supported, but runtime logic modification requires reloading the entire bitstream. This limitation is documented in the AMD Spartan-7 Configuration User Guide UG470, applicable to all members of the Spartan-7 series including XC7S25-1FTGB196C.

What configuration memory options are compatible with XC7S25-1FTGB196C?

XC7S25-1FTGB196C supports serial NOR flash memory with SPIx1/x2/x4 interfaces, including Micron MT25QL, Spansion S25FL, and Macronix MX25L families. Minimum required capacity is 8 MB for uncompressed bitstreams. The XC7S25-1FTGB196C configuration controller supports dual-boot and fallback mechanisms when paired with appropriately sized flash devices meeting timing and voltage specifications in UG470.

Is XC7S25-1FTGB196C pin-compatible with other Spartan-7 devices in FTGB196 packaging?

XC7S25-1FTGB196C shares the same 196-ball FTGB package footprint and pinout with XC7S6-1FTGB196C, XC7S15-1FTGB196C, and XC7S50-1FTGB196C. All four devices maintain identical power, ground, configuration, and I/O ball assignments. This allows PCB reuse across Spartan-7 density variants, provided the design adheres to the common pinout defined in the AMD Spartan-7 Packaging and Pinout Specification UG475.

What JTAG chain considerations apply when using XC7S25-1FTGB196C in multi-device systems?

XC7S25-1FTGB196C complies with IEEE 1149.1 (JTAG) and supports daisy-chained TAP controllers. Its TDO pin drives the TDI of the next device, and internal bypass register length is fixed at 1 bit. Boundary-scan testing requires proper IR length handling and TCK synchronization across all devices in the chain. The XC7S25-1FTGB196C JTAG implementation is fully compatible with Xilinx Vivado Hardware Manager and third-party boundary-scan tools when configured per UG470.