AMD XC6SLX9-L1TQG144C

Overview

XC6SLX9-L1TQG144C from AMD (formerly Xilinx) is a Spartan-6 FPGA with 9,152 logic cells, 576 Kbits of block RAM, and 18 I/O banks supporting LVCMOS/LVTTL/SSTL standards. It operates at -1 speed grade (1.2 V core, industrial temperature range), packaged in 144-pin TQFP. Used in industrial control logic and low-cost embedded interface bridging.

For engineers reviewing the XC6SLX9-L1TQG144C datasheet, pinout, applications, or equivalent options, key selection criteria include I/O voltage flexibility, embedded DSP slice count, configuration mode support (Master Serial, Slave SelectMAP), and JTAG boundary-scan compliance for production testability.

Technical Context

The XC6SLX9-L1TQG144C implements a configurable logic fabric based on 6-input LUTs and flip-flops, with dedicated carry logic for arithmetic. It integrates twelve 18×18 multipliers and supports DDR2 memory interfaces up to 800 Mbps data rate.

Configuration is performed via SPI flash (Master Serial mode) or external processor (Slave SelectMAP), with bitstream encryption optional. The device includes internal oscillator (1–100 MHz), PLLs for clock synthesis, and IEEE 1149.1 JTAG for debugging and programming.

Key Specifications

Pinout & Package

XC6SLX9-L1TQG144C is housed in a 144-pin Thin Quad Flat Package (TQFP) with 0.5 mm pitch, 20×20 mm body size, and exposed thermal pad (non-electrical). Package meets JEDEC MS-026 standard and supports reflow soldering per IPC/JEDEC J-STD-020.

Key Features

Applications

Equivalent & Alternatives

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

Compared with XC6SLX9-L1TQG144C, the -2 variant offers higher timing margin for clock-intensive logic, while the XC6SLX16-L1TQG144C extends scalability for feature-rich edge nodes-both share identical pinout and package, enabling direct board reuse where power and cost allow.

Availability

XC6SLX9-L1TQG144C is available at Aetrix Electronics and suitable for industrial control systems, automotive diagnostics equipment, and medical sensor hubs requiring stable component supply across extended product lifecycles.

Supply support for XC6SLX9-L1TQG144C 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 acquired Xilinx in 2022 and now develops adaptive computing platforms including FPGAs, ACAPs, and software toolchains for hardware-accelerated applications.

The Spartan-6 family was designed for cost-sensitive, high-volume embedded applications requiring reliable I/O flexibility, low static power, and seamless integration with microcontrollers and ASICs.

FAQ

What is the core voltage requirement for XC6SLX9-L1TQG144C?

The XC6SLX9-L1TQG144C requires a nominal 1.2 V ±3% core supply (VCCINT) delivered to pins C12 and E13. This voltage powers the FPGA fabric and must be stable under dynamic switching loads. Decoupling capacitors (10 µF bulk + 100 nF ceramic per supply pin) are mandatory per Xilinx UG380. The XC6SLX9-L1TQG144C does not support adaptive voltage scaling.

Does XC6SLX9-L1TQG144C support JTAG programming in-system?

Yes, XC6SLX9-L1TQG144C fully supports IEEE 1149.1 JTAG boundary-scan for in-system programming and debugging. Pins T14 (TCK), U14 (TMS), V14 (TDI), W14 (TDO), and Y16 (TRST_B) implement the standard 5-pin interface. Configuration bitstream can be loaded directly via JTAG, and the XC6SLX9-L1TQG144C allows partial reconfiguration through this interface.

Can XC6SLX9-L1TQG144C interface directly with DDR2 SDRAM?

Yes, XC6SLX9-L1TQG144C supports DDR2 SDRAM interfaces up to 400 MHz clock (800 Mbps data rate) using its dedicated I/O standards (SSTL_18) and built-in DQS capture logic. The device requires external termination resistors and matched trace lengths. Reference designs and timing constraints for DDR2 are provided in Xilinx UG382, and the XC6SLX9-L1TQG144C has been validated with Micron MT47H64M16HR-25E.

What configuration modes are supported by XC6SLX9-L1TQG144C?

XC6SLX9-L1TQG144C supports three primary configuration modes: Master Serial (SPI flash boot), Slave SelectMAP (parallel loading from microcontroller), and JTAG (debug and programming). Mode selection is controlled by M0–M2 pins at power-up. The XC6SLX9-L1TQG144C also supports fallback configuration and multi-bit stream loading for redundancy.

Is XC6SLX9-L1TQG144C qualified for industrial temperature operation?

Yes, XC6SLX9-L1TQG144C is rated for industrial temperature range (–40°C to +100°C) and carries the 'C' suffix per Xilinx naming convention. Its -1 speed grade guarantees timing performance across this full range when operated at 1.2 V core and appropriate I/O voltages. Thermal derating is not required, and the XC6SLX9-L1TQG144C has passed JEDEC JESD22-A104 temperature cycling qualification.