XA6SLX4-2CSG225I - 3840-Cell Automotive Spartan-6 FPGA
MPN: XA6SLX4-2CSG225I ✓ ActiveXA6SLX4-2CSG225I Overview
An FPGA is a programmable-logic semiconductor whose internal digital blocks can be configured after manufacture to implement counters, state machines, interfaces, signal processors, and control functions. In the product hierarchy, the XA6SLX4 belongs to the Spartan-6 LX family, which is a cost-optimized FPGA series for embedded and high-volume applications. Its 225-ball surface-mount package supports dense PCB integration while retaining a broad selection of programmable resources for parallel interface, control, and data-processing tasks.
The XA6SLX4-2CSG225I provides 3,840 logic cells, 132 I/O, and 221,184 indicated logic resources in its published ordering description. Its 225-CSBGA package supports compact board layouts, while the 45 nm CMOS process provides the basis for an economical balance of capability, power, and cost. The XA prefix identifies the automotive Spartan-6 LX family, which is screened for automotive applications and includes AEC-Q100-qualified variants in the family.
The -2 speed designation identifies the device performance grade used for timing-oriented design decisions. Engineers should use the complete Spartan-6 LX data sheet, configuration guidance, and package information when setting timing constraints, selecting I/O standards, and defining power budgets. The -2 grade is distinct from faster or slower ordering codes, so replacing it with another grade can affect timing margin even when the package and logic resources are identical.
Typical automotive uses include body and chassis control, engine or transmission supervisory logic, vehicle bus gateways, sensor fusion, camera and radar interfaces, diagnostic systems, and centralized electronic control units. The 132 I/O count is particularly useful for systems that need substantial parallel connectivity alongside configurable logic. Suitable designs also require a compatible configuration solution, power sequencing, clocking, and automotive qualification of the complete electronic assembly.
For layout, follow the manufacturer's ball map and BGA escape-routing guidance for the 225-CSBGA package. Keep power and ground distribution robust across the array, preserve the recommended decoupling structure, and route high-speed interfaces with controlled impedance. Review I/O drive strength, slew rate, and voltage tolerances against the attached automotive signals before finalizing the board design.
This product page combines package, logic-resource, technology, compliance, and ordering-code details with application guidance, comparison criteria, and practical design notes. It also identifies same-footprint alternatives that require careful qualification review, particularly where automotive temperature grading or FPGA speed grade differs from the original device.
Drop-in alternatives for XA6SLX4-2CSG225I — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with XA6SLX4-2CSG225I (same form factor and footprint) — differing in Device Type, Package, Temperature Grade, Logic Cells, User I/O.
XA6SLX4-2CSG225Q
✅ Drop-In📋 Reference alternative (not in catalog)
XC6SLX4-2CSG225I
✅ Drop-InContact for price
View Datasheet →XC6SLX4-2CSG225C
✅ Drop-InContact for price
View Datasheet →XC6SLX4-L1CSG225I
✅ Drop-InContact for price
View Datasheet →XA6SLX4-2CSG225I Maximum Ratings & Electrical Characteristics
| Device Type | Spartan-6 LX XA automotive FPGA |
| Logic Cells | 3,840 cells |
| User I/O | 132 I/O |
| Logic Resources | 221,184 |
| Process Technology | 45 nm CMOS |
| Core Supply Voltage | 1.2 V |
| Package | 225-CSBGA, 225-LFBGA |
| Package Pin or Ball Count | 225 balls |
| Package Type | CSBGA |
| Package Shape | Square |
| Terminal Type | Ball |
| Mounting Type | Surface mount |
| Speed Grade | -2 |
| Automotive Screening | AEC-Q100 |
| Lead-Free Status | Lead free |
| RoHS Status | RoHS compliant |
XA6SLX4-2CSG225I square Pin Configuration Guide
Pin configuration for XA6SLX4-2CSG225I (square package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.
No detailed pinout data available for XA6SLX4-2CSG225I.
Refer to the datasheet for full pin configuration.
Typical Applications
XA6SLX4-2CSG225I is suitable for 6 applications: Automotive Body Control, Vehicle Network Gateway, Automotive Sensor Acquisition, Infotainment Peripheral Control, ADAS Sensor Interface, Electric Powertrain Supervisory Control.
Automotive Body Control
The XA6SLX4-2CSG225I is suitable for centralized body-control logic because its 3,840 logic cells can implement state machines, timers, interlocks, and actuator-control logic while 132 I/O provide substantial device connectivity. The 225-CSBGA package also permits a compact module footprint. In an automotive body controller, the FPGA can combine debounce and input conditioning with lamp, relay, door, and sensor logic, reducing discrete controller overhead. Design work should verify I/O voltage domains, timing margins for the -2 grade, power sequencing, and system-level electromagnetic compatibility.
Recommended
Vehicle Network Gateway
The XA6SLX4-2CSG225I can support vehicle network gateway functions that require protocol conversion, frame routing, diagnostics, and supervision across multiple digital interfaces. Its 132 I/O offer ample parallel connectivity for transceivers and status signals, while the programmable Spartan-6 LX logic fabric allows gateway behavior to be adapted across vehicle programs. The 45 nm CMOS device operates from a 1.2 V core supply, supporting integration into a modern multi-rail automotive architecture. Final design work must confirm transceiver levels, timing across all routed paths, clock-domain boundaries, and fault containment for safety-relevant communication.
Recommended
Automotive Sensor Acquisition
The XA6SLX4-2CSG225I fits sensor-acquisition and signal-conditioning modules requiring digital calibration, filtering, event counting, and interface control. The 3,840 logic cells can process multiple sensor channels concurrently, and the 132 available I/O simplify connections to analog front ends and communication transceivers. Its 225-CSBGA package also supports compact controller placement near the sensor circuitry. Engineers should allocate logic according to timing and routing density, validate the -2 grade against the design clock, and separate analog, high-current switching, and digital return paths to preserve measurement integrity.
Recommended
Infotainment Peripheral Control
The XA6SLX4-2CSG225I is appropriate for peripheral control and interface logic surrounding an automotive infotainment system. It can implement button and rotary-encoder handling, display timing, audio-routing control, status indicators, and communication isolation without relying on several dedicated controllers. With 132 I/O and 3,840 logic cells, the device supports parallel control channels and moderate protocol bridging while the compact 225-CSBGA package preserves board area. The system design must still verify display and audio interface timing, connector protection, ground partitioning, and update mechanisms required by the vehicle platform.
Recommended
ADAS Sensor Interface
The XA6SLX4-2CSG225I can be evaluated for ADAS sensor-interface and monitoring functions where parallel sensor data must be synchronized, counted, fault-checked, or translated for a higher-level controller. Its 3,840 logic cells provide dedicated configurable resources without requiring a large FPGA, and its 132 I/O allow direct connections to radar, camera, or environmental sensor interfaces. The -2 speed grade and 45 nm CMOS process should be included in the timing budget. Designers must also establish interface redundancy, clock-domain isolation, diagnostic coverage, and thermal margins for the installation location.
Recommended
Electric Powertrain Supervisory Control
The XA6SLX4-2CSG225I is suitable for supervisory logic around electric powertrain subsystems, including state coordination, contactor sequencing, fault aggregation, and sensor validation. The 132 I/O support connections to multiple position, voltage, and temperature signals, while the programmable Spartan-6 LX fabric allows application-specific control sequences. Its automotive XA family classification is central to product selection for vehicle programs. Before release, confirm the operating-temperature limits, diagnostic strategy, fail-safe behavior, electromagnetic performance, and separation between safety monitoring and the external actuator drivers.
Recommended
Recommended Products Summary
Engineering reference data for XA6SLX4-2CSG225I — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | XA6SLX4-2CSG225Q | XC6SLX4-2CSG225I | XC6SLX4-2CSG225C | XC6SLX4-L1CSG225I |
|---|---|---|---|---|---|
| Brand | AMD | AMD | AMD | AMD | AMD |
| Package | 225-CSBGA | 225-CSBGA - same package | 225-CSBGA - same package | 225-CSBGA - same package | 225-CSBGA - same package |
| Logic Cells | 3,840 cells | 3,840 cells | 3,840 cells | 3,840 cells | 3,840 cells |
| User I/O | 132 I/O | 132 I/O | 132 I/O | 132 I/O | 132 I/O |
| Process Technology | 45 nm CMOS | 45 nm CMOS | 45 nm CMOS | 45 nm CMOS | 45 nm CMOS |
| Core Supply Voltage | 1.2 V | 1.2 V | 1.2 V | 1.2 V | 1.2 V |
| Speed Grade | -2 | -2 | -2 | C | L1 |
| Product Family | Spartan-6 LX XA automotive family | Spartan-6 LX XA automotive family | Spartan-6 LX commercial family | Spartan-6 LX commercial family | Spartan-6 LX commercial family |
Key Differentiators
- Automotive XA family positioning (vs XC6SLX4-2CSG225I)
- Same-density same-footprint configuration path (vs XA6SLX4-2CSG225Q)
- Direct -2 speed-grade family comparison (vs XC6SLX4-2CSG225C)
Design Notes
Follow the manufacturer 225-CSBGA ball map and recommended escape-routing pattern rather than assigning signals from a generic BGA grid. Place the device so its ball-array orientation matches the PCB footprint, then maintain symmetrical routing where practical. Confirm via-count and aspect-ratio requirements for the chosen PCB construction before layout release, especially when the automotive module uses a dense multilayer stackup.
Implement the manufacturer's recommended power rails, decoupling capacitors, and sequencing for the 1.2 V core supply and associated I/O supplies. Place high-frequency decoupling close to the device power balls and provide low-impedance distribution across the full BGA array. Validate voltage ramps, tolerance, startup behavior, and worst-case current against the -2 speed-grade operating conditions.
Do not treat a same-package alternative as automatically interchangeable. The XA and XC family designations affect automotive qualification, while -2, C, and L1 ordering codes can represent different timing classes. Before approving a substitute, compare the complete datasheets, verify configuration compatibility, rerun timing analysis, and confirm the operating-temperature and qualification requirements for the finished automotive system.
Assign each 132 I/O to a compatible voltage domain and verify drive strength, slew rate, input thresholds, and permitted I/O standards. Keep clock, configuration, and sensitive data paths away from high-current switching returns. Use controlled-impedance routing for external interfaces and validate edge rates through signal-integrity simulation when board length, connector, or cable conditions are significant.
Evaluate junction temperature across the vehicle's full ambient range and the worst-case logic activity supported by the selected configuration. The 225-CSBGA package has many ball-array power connections, so internal thermal performance depends heavily on the PCB layer stack and copper area. Use the manufacturer's power-estimation workflow, preserve uninterrupted return paths, and confirm that the module enclosure does not trap heat around the device.
Compliance Information
The device is identified as lead free, RoHS compliant, and associated with AEC-Q100 automotive screening.
