72255LA10TFI8

Overview

The 72255LA10TFI8 is a synchronous FIFO memory device manufactured by Renesas Electronics Corporation. It features a storage capacity of 36K bits, organized as 2K words by 18 bits. The component supports a data rate of 100MHz with an access time of 6.5ns. It operates on a single 4.5V to 5.5V supply voltage and draws a maximum supply current of 60mA. The device utilizes a unidirectional bus architecture and is housed in a 64-TQFP package measuring 10x10mm. It functions within an industrial temperature range of -40°C to +85°C.

Feature Summary

• Supports high-speed data buffering with a 100MHz data rate and 6.5ns access time for efficient system throughput.
• Features programmable status flags including empty, full, half-full, and user-defined almost-empty/almost-full indicators.
• Provides independent read and write clock domains to allow simultaneous data operations without timing conflicts.
• Includes auto power-down functionality to minimize standby power consumption during idle periods.

Applications

• Networking equipment requiring large data buffer capabilities
• Video processing systems needing high-bandwidth temporary storage
• Telecommunications infrastructure for signal buffering
• Data communication interfaces managing asynchronous transfers

Procurement Notes

Verify the exact suffix configuration against official Renesas documentation to ensure compatibility with specific packaging or environmental requirements. Confirm that the 64-TQFP package dimensions match the target PCB footprint. Check for any recent Product Change Notices regarding material composition or manufacturing location updates. Ensure the design accounts for the specified 4.5V to 5.5V operating voltage range to prevent functional errors.

Selection Notes

Select this component when a unidirectional synchronous FIFO with 18-bit width and 2K depth is required. It is suitable for applications demanding low first-word latency and independent clock domains. Consider the 64-TQFP package size for board space constraints. Verify that the 4.5V to 5.5V supply voltage aligns with the system power rails. Evaluate the 60mA maximum current draw against the total power budget of the design.

Part Context

This part belongs to the 72255LA series of SuperSync FIFOs from Renesas. These devices are designed for high-performance data buffering in digital systems. The LA variant typically denotes specific speed grades and package options within the broader family. They are functionally compatible with other members of the 722x5 series, facilitating design upgrades or replacements where pinout consistency is critical.

Replacement Considerations

Check for direct substitutes within the 72255LA series with different suffixes for package variations. Verify cross-compatibility with other 722x5 family members if pinouts match. Consult official Renesas documentation for approved alternative part numbers before implementation.