LAMXO640E-3FTN256E

Overview

The LAMXO640E-3FTN256E is an automotive-grade Field Programmable Gate Array from the LA-MachXO family, qualified to AEC-Q100 standards. It features 640 Look-Up Tables (LUTs) and 159 I/O pins within a 256-ball ftBGA package. The device operates with a core voltage range of 1.14 V to 1.26 V and supports temperatures from -40°C to +125°C. It includes 6 kbit of distributed RAM but lacks embedded block RAM or PLLs. Key capabilities include instant-on configuration from internal non-volatile memory, TransFR™ in-field reconfiguration, and support for multiple interface standards via flexible sysIO buffers.

Feature Summary

• AEC-Q100 Qualified: Automotive grade reliability with operation up to 125°C.
• Non-Volatile Instant-On: Powers up in microseconds without external configuration memory.
• TransFR™ Technology: Allows background programming and in-field logic updates while the system operates.
• Flexible I/O: Supports LVCMOS (1.2V/1.5V/1.8V/2.5V/3.3V), LVTTL, PCI, LVDS, Bus-LVDS, LVPECL, and RSDS.

Applications

• Glue logic implementation in automotive systems.
• Bus bridging and interfacing between different protocol domains.
• Power-up control and sequence management.
• General-purpose control logic requiring high reliability.

Procurement Notes

Verify the specific suffix '3' indicates the speed grade and 'FTN256E' denotes the lead-free ftBGA-256 package. Confirm that the E variant corresponds to the 1.2V core voltage option as specified in the selection guide. Ensure design tools support the LA-MachXO family for proper synthesis and place-and-route.

Selection Notes

Select this device when 640 LUTs are sufficient for the design logic density. Note that unlike larger MachXO devices, this part does not include Embedded Block RAM (EBR) or Phase Locked Loops (PLLs). If clock synthesis or large memory blocks are required, consider the LAMXO1200E or LAMXO2280E variants instead.

Part Context

This component belongs to the LA-MachXO Automotive Family, designed to bridge CPLD and low-density FPGA markets. It combines the instant-on security of CPLDs with the flexibility of FPGA architecture. The MachXO series is characterized by its non-volatile SRAM technology, allowing for infinite reconfiguration and high security against bitstream interception.

Replacement Considerations

Direct functional replacements within the same package and pinout are limited due to specific speed grades and automotive qualification. Cross-referencing should focus on other AEC-Q100 qualified MachXO devices like LAMXO640C if voltage requirements differ, though package compatibility must be verified.