70T631S10BF

Memory IC Overview

The 70T631S10BF is a dual-port static random-access memory integrated circuit manufactured by Renesas Electronics Corporation. It provides a storage capacity of 4.5 Mbit organized as 256K words by 18 bits. The device features asynchronous parallel interface with a maximum access time of 10 ns and operates within a supply voltage range of 3.15V to 3.45V. It is housed in a 128-pin TQFP surface-mount package and supports an operating temperature range of 0°C to 70°C.

Memory IC Feature Summary

• Supports simultaneous independent read and write operations from two separate ports
• Provides high-speed asynchronous data transfer via parallel interface
• Designed for low-power applications with standard power consumption characteristics

Memory IC Applications

• Data buffering in telecommunications systems
• Cache memory implementation in embedded processors
• FIFO buffer applications in industrial control systems

Memory IC Procurement Notes

This component has reached end-of-life status and is no longer in production. Verify availability through authorized distributors for remaining stock or consider the designated replacement part number 70T631S12BFI. Ensure compliance with RoHS non-compliant status and moisture sensitivity level requirements during handling and assembly processes.

Memory IC Selection Notes

Select this component when dual-port functionality with 18-bit word width is required for asynchronous memory applications. Compare against the successor model 70T631S12BFI for updated specifications and availability. Confirm package compatibility and thermal requirements for the target PCB design before integration into the system architecture.

Memory IC Part Context

The 70T631S10BF belongs to the 70T631 series of dual-port SRAM devices from Renesas Electronics. This series is designed for applications requiring independent access from multiple masters. The specific suffix indicates a 10 ns speed grade and TQFP packaging, distinguishing it from other variants in the family with different speeds or form factors.

Memory IC Replacement Considerations

The official replacement part number is 70T631S12BFI. Verify pinout compatibility and electrical parameter alignment before substitution.