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XC6SLX4-2TQG144I

Spartan-6 FPGA, 3840 logic cells, TQFP-144

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Manufacturer Part：

XC6SLX4-2TQG144I

Package：

TQFP-144 (22.0 x 22.0 x 1.20 mm)

Description

XC6SLX4-2TQG144I Overview

The XC6SLX4-2TQG144I is a Spartan-6 FPGA from Xilinx (AMD) with 3840 logic cells, 72Kbit Block RAM, and 8 DSP slices, speed grade -2, industrial temperature range, in a TQFP-144 package, suitable for low-cost logic integration and signal processing.

Key Features

Logic cells: 3840
Block RAM: 72Kbit
DSP slices: 8
Maximum I/O: 102
CMT: 2
Core voltage: 1.2V
Industrial temperature: -40C to 100C

Product Introduction:XC6SLX4-2TQG144I Product Introduction

The XC6SLX4-2TQG144I is a Spartan-6 LX FPGA from AMD (formerly Xilinx) with 3,840 logic cells, 221,184 bits of block RAM, and 8 DSP48A1 slices in a 144-pin TQFP (20 x 20 mm) package. Built on 45 nm CMOS technology, it offers 102 maximum user I/Os, a 1.2 V core voltage, and multi-voltage SelectIO banks supporting 1.2 V to 3.3 V I/O standards. The -2 speed grade operates at up to 375 MHz with 2 clock management tiles (CMTs) each containing a DCM and PLL. Industrial temperature range from -40 C to +100 C makes it suitable for automotive infotainment, industrial automation, and consumer electronics bridging applications.

Working Principle:XC6SLX4-2TQG144I Working Principle

The XC6SLX4-2TQG144I is a field-programmable gate array based on a regular grid of configurable logic blocks (CLBs) interconnected by a programmable routing matrix. Each CLB contains slices with dual-register 6-input lookup tables (LUTs) that can implement any 6-input Boolean function or two 5-input functions, plus carry logic for arithmetic operations and distributed RAM capability. The block RAM blocks (18 Kb each, 12 total) provide dual-port synchronous RAM for data buffering and FIFO construction. The DSP48A1 slices integrate an 18 x 18 multiplier, accumulator, and pre-adder for efficient DSP algorithm implementation. The CMTs generate and manage clock signals with frequency synthesis, phase shifting, and jitter filtering. Configuration is loaded from external flash (SPI or BPI) at power-up, with support for AES-encrypted bitstreams and Device DNA for design security. Multi-voltage I/O banks allow interfacing with different logic families without level shifters.

Pin Description:XC6SLX4-2TQG144I Pin Definition and Functions

Pin Group	Name	Description
Bank 0	I/O[0:25]	General-purpose I/O, 3.3 V bank; supports LVCMOS, LVTTL standards
Bank 1	I/O[26:51]	General-purpose I/O, configurable voltage bank
Bank 2	I/O[52:77]	General-purpose I/O, configurable voltage bank
Bank 3	I/O[78:101]	General-purpose I/O, configurable voltage bank
Dedicated	TDI, TDO, TCK, TMS	JTAG boundary scan and configuration interface
Dedicated	PROGRAM_B	FPGA reconfiguration initiate; active low
Dedicated	DONE	Configuration status; high when configuration complete
Power	VCCINT	Core supply voltage (1.14 V to 1.26 V, nominal 1.2 V)
Power	VCCAUX	Auxiliary supply (2.375 V to 2.625 V, nominal 2.5 V)
Power	VCCO[0:3]	I/O bank supply voltages (1.2 V to 3.3 V per bank)
Power	GND	Ground reference

Application Scenarios:In which products and applications isXC6SLX4-2TQG144I used

Protocol Bridging: Converting between HDMI, DisplayPort, and LVDS display interfaces in consumer electronics
Motor Control: Multi-axis servo and stepper motor drive with custom PWM and encoder processing
Industrial Vision: Image preprocessing and pixel-level operations in machine vision cameras
Automotive Infotainment: Audio and video data routing and format conversion in head units
Communication Prototyping: Custom serial and parallel protocol development with real-time logic analysis

Alternative Models:What chips are recommended as replacements for XC6SLX4-2TQG144I

Model	Manufacturer	Logic Cells	DSP Slices	BRAM	Package
XC6SLX9-2TQG144I	AMD/Xilinx	9,152	16	576 Kb	TQFP-144
XC6SLX16-2FTG256I	AMD/Xilinx	14,579	32	576 Kb	FTBGA-256
ICE40HX1K-TQ144	Lattice	1,280	16	64 Kb	TQFP-144
ECP5-12E5UWG75	Lattice	12K LUTs	12	468 Kb	caBGA-381
10M04SCE144I7G	Intel	4,000	10	176 Kb	TQFP-144

XC6SLX4-2TQG144I is a Spartan-6 LX FPGA from AMD/Xilinx with 3840 logic cells in 144-TQFP. The XC6SLX9-2TQG144I doubles logic cells to 9152 for more complex designs. XC6SLX4-2CPG196A provides the same 3840 cells in a 196-CSPBGA package with more I/O. For migration to 7-series, XC7A35T-1CPG236C offers Artix-7 with 33280 logic cells. The iCE40LP1K from Lattice provides a low-cost FPGA alternative with 1280 logic cells.