7164L70DB

IC SRAM 64KBIT PARALLEL 28CDIP

# 7164L70DB – 64Kbit SRAM IC – Renesas Electronics

## Product Overview
The 7164L70DB from Renesas Electronics is a high-performance 64Kbit asynchronous SRAM IC designed for applications requiring reliable, low-latency volatile memory. This parallel interface memory solution delivers fast access times and stable operation across extended temperature ranges, making it ideal for legacy systems and industrial applications where data integrity is critical. PCX ensures authentic components with fast shipping and dedicated technical support.

## Key Features
– **Memory Size**: 64Kbit (8K x 8 organization)
– **Access Time**: 70ns
– **Voltage Supply**: 4.5V–5.5V
– **Interface**: Parallel
– **Operating Temperature**: -55°C to +125°C
– **Package**: 28-CDIP through-hole mounting
– **Technology**: Asynchronous SRAM

## Technical Specifications
This volatile memory IC features a robust 28-pin ceramic dual in-line package (CDIP) designed for through-hole PCB mounting. With an industry-standard 70ns access time and wide voltage tolerance, it maintains reliable performance in demanding environments. The asynchronous operation ensures compatibility with various microcontrollers and processors without clock synchronization requirements. The military-grade temperature range (-55°C to +125°C) makes it suitable for extreme condition applications.

## Common Applications
– Legacy industrial control systems
– Military and aerospace electronics
– Automotive diagnostic equipment
– Telecommunications infrastructure
– Test and measurement instruments

## About Renesas Electronics
Renesas Electronics Corporation represents a global leader in advanced semiconductor solutions, formed through the strategic combination of several pioneering Japanese electronics companies. With decades of innovation in microcontroller, power management, and analog devices, Renesas has established itself as a trusted supplier to automotive, industrial, and infrastructure markets worldwide.

The company maintains rigorous quality standards certified through ISO/TS 16949 and other international quality management systems. Renesas’ commitment to reliability and long-term product support makes their components preferred choices for design engineers requiring proven performance in critical applications across multiple industries.

## About SRAM Memory ICs
Static Random-Access Memory (SRAM) integrated circuits provide non-volatile data storage that doesn’t require refreshing, unlike their DRAM counterparts. This characteristic makes SRAM ideal for applications requiring fast access times, low power consumption, and simple interface requirements. The asynchronous nature of this particular SRAM means it operates independently of a clock signal, responding immediately to address and control input changes.

SRAM technology remains essential in systems where data persistence during power cycles isn’t required but rapid read/write operations are critical. From cache memory in computing systems to buffer storage in communication devices, SRAM ICs continue to serve vital roles in electronic designs despite the growth of alternative memory technologies in certain applications.

## Packaging Information
This product is available in protective tube packaging, ensuring secure transportation and handling. For high-volume requirements, please contact PCX customer support for alternative packaging options and quantity pricing.

## Frequently Asked Questions
**Question**: Is this SRAM IC obsolete?
**Answer**: Yes, this part has been marked obsolete by the manufacturer but remains available through PCX for legacy system maintenance and repair.

**Question**: What is the difference between synchronous and asynchronous SRAM?
**Answer**: Asynchronous SRAM (like this part) operates without a clock signal, responding immediately to control inputs, while synchronous SRAM synchronizes with a system clock for higher speed operation.

**Question**: Can this memory IC operate at 3.3V?
**Answer**: No, this device requires a 4.5V–5.5V supply voltage and is not compatible with 3.3V systems.

**Question**: What applications benefit from the extended temperature range?
**Answer**: Military, aerospace, automotive, and industrial applications often require components rated for extreme temperature operation.

**Question**: Is the datasheet available for this component?
**Answer**: Yes, the technical datasheet is available for download on our product page at PCXCo.com.

**Question**: Does PCX provide technical support for obsolete components?
**Answer**: Yes, our technical team can provide assistance with obsolete component integration and alternative suggestions when appropriate.

*Note: Product image is representational; please refer to datasheet for exact specifications.*

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