7005S17PFI8

Overview

The Renesas Electronics Corporation 7005S17PFI8 is a high-speed, asynchronous dual-port static random access memory (SRAM) with a storage capacity of 64 kbit. It features an 8k x 8 organization and supports parallel interface communication. The device operates within a supply voltage range of 4.5 V to 5.5 V, with a maximum power consumption of 310 mA. It offers a typical access time of 17 ns and functions reliably in commercial temperatures from 0°C to +70°C. The component is housed in a surface-mount TQFP-64 package.

Feature Summary

• True dual-ported memory architecture enabling simultaneous independent reads and writes from two ports without conflict.
• Integrated on-chip hardware support for semaphore signaling and port arbitration logic to manage data integrity.
• Asynchronous operation allows flexible timing control from either port, supporting master/slave configurations.
• Automatic power-down feature controlled by chip enable signals to minimize standby power consumption.

Applications

• Stand-alone 64K-bit dual-port RAM systems
• Master/Slave dual-port RAM combinations for 16-bit or wider word systems
• Industrial control applications requiring non-volatile-like data sharing via battery backup

Procurement Notes

Verify the specific suffix PFI8 against official datasheets to confirm package type and moisture sensitivity level. Confirm RoHS compliance status as older variants may differ. Check current lifecycle status, as this model may be discontinued or subject to last-time buy restrictions. Ensure ESD handling protocols are followed during procurement and assembly due to semiconductor sensitivity.

Selection Notes

Select this component when simultaneous bidirectional data access is required without external arbitration logic. Compare access times and package options against other 7005 series variants like the S25 or S35 models based on speed and form factor needs. Verify temperature range requirements, as industrial grades (-40°C to +85°C) differ from commercial versions. Ensure system voltage matches the 5V TTL-compatible input specifications.

Part Context

The 7005 series represents a family of high-speed dual-port SRAMs designed for versatile memory sharing applications. This specific part belongs to the 7005S17 sub-series, indicating a 17 ns access time. The series is known for its true dual-port cells and built-in semaphore mechanisms, making it suitable for complex embedded systems where two processors need concurrent access to shared memory resources.

Replacement Considerations

Publicly confirmed substitute part numbers for this specific variant were not identified in available documentation. Review the broader 7005 series for alternatives with different access speeds or packages, such as IDT7005S25 or IDT7005L20, ensuring pin compatibility and electrical specifications match the design requirements.