72T3655L4-4BB

FIFOs Memory Overview

The Renesas 72T3655L4-4BB is a TeraSync FIFO memory device with a storage capacity of 72K bits, organized as 2K words by 36 bits. It supports asynchronous and synchronous operations with data rates up to 100MHz and 225MHz respectively. Access times are specified at 8ns and 3.4ns. The component operates on a supply voltage of 2.375 V to 2.625 V and is housed in a 208-PBGA (17x17) package.

FIFOs Memory Feature Summary

• Supports flexible Bus-Matching for x36, x18, or x9 data flow configurations
• Features clocked read and write controls for precise synchronization
• Provides First Word Fall Through (FWFT) capability

FIFOs Memory Applications

• High-speed data buffering in communication infrastructure systems
• Interface bridging between components operating at different clock domains
• Data acquisition systems requiring deterministic latency

FIFOs Memory Procurement Notes

This component is officially listed as obsolete by the manufacturer. Verification of availability should focus on remaining stock from authorized distributors or secondary market suppliers. Ensure that any sourced units match the original specifications and have not been subject to unauthorized modifications. Confirm RoHS compliance status, as the product may not meet current environmental regulations.

FIFOs Memory Selection Notes

Select this part when a 36-bit wide FIFO interface is required for high-speed data transfer applications. The TeraSync architecture is suitable for systems needing flexible bus matching capabilities. Consider the 208-PBGA package size and thermal requirements during PCB layout. Verify that the 2.5V supply voltage aligns with the system's power distribution network.

FIFOs Memory Part Context

The 72T3655 belongs to the Renesas 72T series of TeraSync FIFOs. This family is designed for high-performance data buffering in networking and telecommunications equipment. The specific model offers a balance of depth and width for complex data path management tasks.

FIFOs Memory Replacement Considerations

As the part is obsolete, direct substitutes must be verified against pin compatibility and electrical specifications. Consult official replacement notices or cross-reference guides for equivalent devices from Renesas or other manufacturers.