71321SA55PFI8

Description：IC SRAM 16KBIT PARALLEL 64TQFP
Series：-
Mfr：Renesas Electronics Corporation
Package：Tape & Reel (TR)

SKU:fee0fbb1e3db Category: Memory IC Brand: Renesas Electronics Corporation

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Product introduction

71321SA55PFI8 is listed in the Memory IC range at ChipApex. The manufacturer field lists Renesas Electronics Corporation. Its product description is IC SRAM 16KBIT PARALLEL 64TQFP. Review the specifications below when checking this part for your BOM.

Memory IC specifications for 71321SA55PFI8

Description：IC SRAM 16KBIT PARALLEL 64TQFP
Series：-
Mfr：Renesas Electronics Corporation
Package：Tape & Reel (TR)
Memory Type：Volatile
Memory Format：SRAM
Technology：SRAM - Dual Port, Asynchronous
Memory Size：16Kbit
Memory Organization：2K x 8
Memory Interface：Parallel
Write Cycle Time - Word, Page：55ns
Voltage - Supply：4.5V ~ 5.5V
Operating Temperature：-40°C ~ 85°C (TA)
Mounting Type：Surface Mount
Package / Case：64-LQFP
Supplier Device Package：64-TQFP (14x14)
Access Time：55 ns

Memory IC datasheet and documents for 71321SA55PFI8

71321SA55PFI8

Memory IC Overview

The 71321SA55PFI8 is a dual-port asynchronous SRAM manufactured by Renesas Electronics Corporation. It features a storage capacity of 16Kb organized as 2K x 8 bits. The device supports parallel interface operations with an access time and write cycle time of 55 ns. It operates on a single 4.5V to 5.5V power supply and functions within a temperature range of -40°C to 85°C. The component is housed in a 64-TQFP (14x14) surface-mount package.

Memory IC Feature Summary

Dual-port architecture enabling independent read/write operations for two masters
Asynchronous operation without requiring external clock signals
Single voltage power supply compatibility

Memory IC Applications

Data buffering in high-speed digital systems
Cache memory implementation in embedded controllers
FIFO applications requiring independent port access

Memory IC Procurement Notes

This component is officially obsolete and no longer manufactured by Renesas Electronics Corporation. Verification of availability should focus exclusively on approved substitute part numbers listed in official documentation. Direct procurement of the original part number is not possible through standard manufacturing channels. Buyers must confirm RoHS compliance status, which indicates non-compliance for this specific legacy item, prior to integration into new designs.

Memory IC Selection Notes

Designers requiring equivalent functionality should evaluate the 71321LA25PFGI upgrade path. Selection criteria must account for differences in access speed and packaging suffixes between legacy and replacement parts. Verify that the target application supports the electrical specifications of the substitute, particularly regarding voltage levels and thermal performance ranges defined in the official datasheet.

Memory IC Part Context

The 71321SA series belongs to Renesas' portfolio of dual-port static random-access memories. These components are designed for applications requiring simultaneous data access from multiple sources. The SA variant specifically denotes the 5V operating voltage range, distinguishing it from lower voltage counterparts within the broader product family.