7134SA70JI

Overview

The Renesas Electronics Corporation 7134SA70JI is a dual-port static random access memory (SRAM) device with a storage capacity of 32 kbit, organized as 4K x 8. It features an asynchronous parallel interface and supports a supply voltage range from 4.5 V to 5.5 V. The component has a maximum access time of 70 ns and a maximum power supply current of 240 mA. It operates within a temperature range of 0°C to +70°C and is housed in a 52-PLCC surface-mount package.

Feature Summary

• Dual-port architecture enabling independent simultaneous read/write operations on separate ports
• Asynchronous parallel interface for straightforward integration into standard logic systems
• Single data rate (SDR) operation supporting standard memory access protocols

Applications

• Data buffering in high-speed digital signal processing circuits
• Cache memory implementation in embedded microcontroller systems
• FIFO buffer applications requiring independent port access

Procurement Notes

Verify the exact suffix designation, as official listings primarily reference the 7134SA70J variant. Confirm RoHS compliance status, as the J suffix typically indicates non-compliant packaging. Check for end-of-life notifications or discontinuance notices from Renesas, as this series may be obsolete. Ensure moisture sensitivity level handling procedures are followed during assembly.

Selection Notes

Select this component when a 32 kbit dual-port SRAM with 70 ns access speed is required. Compare against the 7134LA35L48B for extended industrial temperature ranges or faster speeds. Verify that the 52-PLCC package footprint matches the target PCB design. Ensure the system voltage aligns with the 4.5 V to 5.5 V operating range.

Part Context

This part belongs to the Renesas 7134SA series of dual-port SRAMs. It shares architectural similarities with other variants like the 7134SA70J and 7134SA70CB, differing primarily in package type and specific suffix designations. The series is designed for applications requiring independent port access without bus contention.

Replacement Considerations

Publicly confirmed substitute part numbers for the specific 7134SA70JI suffix are not available in the provided documentation. Consider the IDT7134SA70J as a functional equivalent based on alias data, but verify pinout and electrical specifications against the original datasheet.