71V321S55TF8

Overview

The 71V321S55TF8 is a dual-port static random-access memory (SRAM) integrated circuit manufactured by Renesas Electronics Corporation. It provides a storage capacity of 16 kilobits, organized as 2K words by 8 bits. The device features an asynchronous parallel interface with a maximum access time and write cycle time of 55 nanoseconds. It operates within a supply voltage range of 3.0 volts to 3.6 volts. The component is housed in a 64-pin Thin Quad Flat Package (TQFP) with dimensions of 14x14 millimeters. It supports surface mount installation and functions across an industrial temperature range of -40°C to +85°C.

Feature Summary

• Dual-port architecture enabling independent simultaneous read/write operations on both ports
• Asynchronous parallel interface for flexible system integration
• Industrial-grade operational capability across extended temperature ranges

Applications

• Data buffering in high-speed communication systems
• Cache memory implementation in embedded processors
• FIFO buffer applications in digital signal processing

Procurement Notes

Verify the specific suffix TF8 against official Renesas documentation to confirm package dimensions and moisture sensitivity level. Confirm RoHS compliance status as sources indicate non-compliance. Check current lifecycle status as the part may be discontinued or subject to production changes. Ensure compatibility with existing PCB footprints for the 64-TQFP package before procurement.

Selection Notes

Select this component when dual-port functionality is required for concurrent data handling. The 55 ns speed suits moderate-speed asynchronous interfaces. Verify that the 3V to 3.6V supply voltage aligns with the target system power rails. Consider the 64-TQFP package constraints for board space and thermal management requirements during design.

Part Context

This component belongs to the 71V321 series of dual-port SRAMs from Renesas Electronics. The series offers various speed grades and package options to support diverse memory buffering needs. The S55 variant specifically denotes the 55 nanosecond access time specification within this product family.

Replacement Considerations

Consult official Renesas substitution guides for verified alternatives. Potential replacements include other members of the 71V321 series with compatible pinouts and electrical characteristics. Verify package compatibility and timing parameters before substituting.