72T1875L4-4BB

FIFOs Memory Overview

The 72T1875L4-4BB is a TeraSync FIFO memory device manufactured by Renesas Electronics. It features an asynchronous/synchronous timing mode with a maximum clock frequency of 225 MHz and an access time of 3.4 ns. The storage capacity is organized as 8K x 18 or 16K x 9, providing a total depth of 144K words. It operates on a single 2.5V power supply within a voltage range of 2.375 V to 2.625 V. The component supports unidirectional data flow and includes programmable flags for status indication.

FIFOs Memory Feature Summary

• Supports both asynchronous and synchronous timing modes for flexible system integration
• Features user-selectable HSTL/LVTTL input and output voltage levels
• Includes programmable flags accessible via serial or parallel means
• Offers big-endian/little-endian selectable byte representation

FIFOs Memory Applications

• Network buffering systems requiring large data storage
• Video processing applications needing bus matching
• Telecommunications equipment data flow management
• Data communications interfaces with unequal bus sizes

FIFOs Memory Procurement Notes

Verify the obsolete status of this component before procurement planning. Confirm availability through authorized distributors or surplus channels. Check for RoHS compliance status as indicated in official documentation. Ensure compatibility with existing system requirements given the discontinuation notice. Review replacement options if long-term supply stability is required for production.

FIFOs Memory Selection Notes

Select this component for applications requiring high-speed FIFO buffering with specific voltage level compatibility. Consider the 2.5V operation and 225 MHz performance limits when designing the interface. Evaluate the need for programmable flags and endian selection features. Assess the package type suitability for the target PCB layout. Verify temperature range requirements against the commercial grade specifications.

FIFOs Memory Part Context

This part belongs to the 72T series of TeraSync FIFO memories designed for high-performance data buffering. These devices are engineered to handle bus-matching tasks between components operating at different speeds or data widths. The series supports various organization formats to accommodate diverse system architectures. They are commonly used in networking and telecommunications infrastructure where reliable data throughput is critical.

FIFOs Memory Replacement Considerations

Consult official Renesas documentation for confirmed substitute part numbers. The 72T18115 and 72T3675L4-4BB are related parts in the same family but differ in organization and pinout. Direct pin-to-pin replacements may not be available; verify electrical and mechanical compatibility carefully.