72245LB25TF8

Overview

The 72245LB25TF8 is a synchronous First-In, First-Out (FIFO) memory component manufactured by Renesas Electronics. It features an organization of 2K x 18 bits, providing a total storage capacity of 36 kilobits. The device operates with a maximum data rate of 40 MHz and supports a minimum access time of 25 nanoseconds. It utilizes a single-directional bus architecture and is housed in a 64-pin TQFP package measuring 10x10 mm. The unit requires a supply voltage between 4.5 V and 5.5 V and includes programmable flag support for status monitoring.

Feature Summary

• Synchronous FIFO architecture with independent read and write clock controls
• Programmable flags for monitoring empty, full, and almost-empty/full states
• Supports expansion in both depth and width for custom memory configurations
• Single-directional data flow with output enable capability

Applications

• Data buffering in optical disk controllers
• Local Area Network (LAN) interface buffering
• Interprocessor communication systems

Procurement Notes

Verify the exact suffix TF8 to confirm the specific tape-and-reel packaging configuration and moisture sensitivity level. Confirm RoHS compliance status as documentation may vary by production batch. Check for End-of-Life notices or obsolescence warnings prior to finalizing procurement plans.

Selection Notes

Select this component when a 36K-bit synchronous buffer with 18-bit word width is required. Ensure the system design accommodates the 4.5V to 5.5V operating voltage range. Verify that the 64-TQFP footprint matches the target PCB layout constraints.

Part Context

This part belongs to the Renesas 72245LB series of high-performance synchronous FIFOs. It serves as a specialized memory solution for applications requiring reliable data buffering between asynchronous or synchronous digital systems. The LB variant typically denotes specific speed grades within the broader 72245 family lineup.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material.