72T18105L4-4BB

FIFOs Memory Overview

The Renesas 72T18105L4-4BB is a TeraSync First-In-First-Out (FIFO) memory device manufactured by Renesas Electronics Corporation. It features a storage capacity of 1 megabit, organized as 1M x 9 or 512K x 18 bits. The component operates with a supply voltage range between 2.375 V and 2.625 V. It supports asynchronous and synchronous timing modes with a maximum clock frequency of 225 MHz and an access time of 3.4 ns. The device utilizes a 240-pin Plastic Ball Grid Array (PBGA) package measuring 19x19 mm.

FIFOs Memory Feature Summary

• Supports both asynchronous and synchronous operation modes for flexible bus matching applications
• Features user-selectable HSTL/LVTTL input/output voltage levels including 2.5V LVTTL and 1.8V/1.5V HSTL
• Includes programmable flags accessible via serial or parallel means to monitor FIFO status
• Provides JTAG port support for boundary scan functionality and diagnostic testing

FIFOs Memory Applications

• Network equipment data buffering
• Video signal processing systems
• Telecommunications infrastructure
• Data communications interfaces

FIFOs Memory Procurement Notes

Verify the specific suffix 'L4-4BB' against official Renesas documentation to confirm pinout and electrical characteristics. Confirm RoHS compliance status as legacy components may vary. Check for moisture sensitivity level requirements during handling. Ensure the source provides valid traceability for this obsolete part number before procurement.

FIFOs Memory Selection Notes

Select this component when designing systems requiring high-speed data buffering between buses of unequal widths. The 1M x 9 / 512K x 18 organization suits applications needing significant depth. Consider the 225 MHz speed and 3.4 ns access time for high-throughput requirements. Verify that the 240-pin PBGA package fits the target PCB layout constraints.

FIFOs Memory Part Context

This part belongs to the Renesas 72T181xx series of TeraSync FIFOs. These devices are designed for bus-matching applications in networking and telecommunications. The series typically offers industrial temperature ranges and flexible voltage options. This specific model represents a legacy product within the broader memory and data storage portfolio.

FIFOs Memory Replacement Considerations

Publicly confirmed substitute part numbers for the 72T18105L4-4BB were not found in the provided reference material. Consult Renesas official obsolescence notices or authorized distributors for verified replacement recommendations.