7164L25YGI

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

SKU:ffec92b51bd8 Category: Memory IC Brand: Renesas Electronics Corporation

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Product introduction

Product Detailed Parameters

Description：IC SRAM 64KBIT PARALLEL 28SOJ
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：-40°C ~ 85°C (TA)
Mounting Type：Surface Mount
Package / Case：28-BSOJ (0.300", 7.62mm Width)
Supplier Device Package：28-SOJ
Access Time：25 ns

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7164L25YGI

Overview

The Renesas Electronics Corporation 7164L25YGI is a 64-kbit (8K x 8) asynchronous static random-access memory (SRAM) integrated circuit. It operates within a supply voltage range of 4.5 V to 5.5 V and features a maximum access time of 25 ns. The device utilizes a parallel interface and is housed in a 28-pin surface-mount SOJ package. It supports an industrial temperature range from -40°C to +85°C and includes a low-power standby mode for reduced consumption.

Feature Summary

Asynchronous SRAM architecture requiring no clocks or refresh cycles
Low-power operation with battery backup data retention capability
TTL-compatible inputs and outputs

Applications

Industrial control systems
Military-grade electronic equipment
Battery-backed memory storage applications

Procurement Notes

This component is officially classified as obsolete by the manufacturer. Verification of current availability requires checking authorized distributors for remaining stock or surplus channels. Confirm moisture sensitivity level (MSL 3) handling requirements before procurement. Ensure compatibility with existing PCB footprints and verify that end-of-life notices do not impact long-term project viability.

Selection Notes

Select this part for designs requiring 64-kbit capacity with 25 ns speed in an SOJ-28 package. Verify that the 4.5 V to 5.5 V operating range matches the system power supply. Consider the industrial temperature grade (-40°C to +85°C) for environmental robustness. Note that the L suffix indicates low-power characteristics, which may differ from standard variants.

Part Context

The 7164 series represents a family of 64-kbit CMOS SRAMs produced by Renesas Electronics. This specific model belongs to the 7164L subset, denoting low-power technology. It shares pinouts and functional similarities with other members like the 7164S25YGI8, differing primarily in power specifications and commercial versus industrial temperature ratings.