7164S25TPG

Description：IC SRAM 64KBIT PARALLEL 28DIP
Series：-
Mfr：Renesas Electronics Corporation
Package：Tube

SKU:b9e3a0c7c5db Category: Memory IC Brand: Renesas Electronics Corporation

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Product introduction

Product Detailed Parameters

Description：IC SRAM 64KBIT PARALLEL 28DIP
Series：-
Mfr：Renesas Electronics Corporation
Package：Tube
Memory Type：Volatile
Memory Format：SRAM
Technology：SRAM - Asynchronous
Memory Size：64Kbit
Memory Organization：8K x 8
Memory Interface：Parallel
Clock Frequency：-
Write Cycle Time - Word, Page：25ns
Voltage - Supply：4.5V ~ 5.5V
Operating Temperature：0°C ~ 70°C (TA)
Mounting Type：Through Hole
Package / Case：28-DIP (0.300", 7.62mm)
Supplier Device Package：28-PDIP
Access Time：25 ns

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7164S25TPG

Overview

The Renesas Electronics Corporation 7164S25TPG is a 64Kbit (8K x 8) asynchronous static random-access memory (SRAM) integrated circuit. It features a parallel interface with a maximum access time of 25 nanoseconds and a write cycle time of 25 nanoseconds. The device operates on a single 4.5V to 5.5V power supply and is housed in a 28-pin dual in-line package (PDIP) with a 0.300-inch (7.62mm) width. Designed for commercial applications, it supports a working temperature range from 0°C to +70°C.

Feature Summary

Asynchronous SRAM technology providing fast data access without clock synchronization requirements
Parallel interface architecture supporting standard digital logic connections
Single voltage supply operation within the 4.5V to 5.5V range

Applications

General-purpose volatile data storage in embedded systems
Buffer memory for microcontroller-based applications
Industrial control system data logging

Procurement Notes

Verify component authenticity through authorized channels as this part is obsolete. Confirm package integrity and pin alignment against the 28-PDIP specification. Check datasheet revisions for any historical manufacturing changes. Ensure compatibility with existing board layouts designed for DIP-28 footprints before procurement planning.

Selection Notes

Select this component only if legacy 28-PDIP form factors are required for through-hole mounting. Verify that the 25ns access speed meets system timing constraints. Consider the commercial temperature range limitations for environmental suitability. Evaluate end-of-life status implications for long-term production support.

Part Context

This component belongs to the 7164S series of high-speed SRAMs manufactured by Renesas Electronics. It represents an older generation of parallel memory devices designed for general-purpose computing tasks. The specific suffix TPG indicates the PDIP packaging variant. This series was widely used in legacy industrial and consumer electronics before the prevalence of serial flash and modern DRAM interfaces.