71V65903S85PFGI

Overview

The Renesas Electronics Corporation 71V65903S85PFGI is a synchronous ZBT SRAM IC with a total storage capacity of 9 Mbit. The memory organization is configured as 512K x 18 bits, utilizing a parallel interface for data transfer. It features an access time of 8.5 ns and operates within a supply voltage range of 3.135 V to 3.465 V. The device supports a maximum clock frequency of 90 MHz and is housed in a 100-TQFP (14x14) surface-mount package.

Feature Summary

• Supports high-performance system speeds through synchronous ZBT architecture
• Eliminates dead cycles between write and read operations
• Features internally synchronized output buffer enable for simplified control
• Includes individual byte write control capabilities

Applications

• High-speed data buffering in communication systems
• Cache memory implementation in embedded processors
• Real-time processing applications requiring fast access times
• Industrial equipment control systems

Procurement Notes

Verify the specific suffix PFGI against official Renesas documentation to confirm package type and temperature grade. Confirm RoHS compliance status and moisture sensitivity level requirements for your assembly process. Check current availability as this component may be subject to end-of-life notices or limited stock conditions from distributors.

Selection Notes

Select this part when a 512K x 18 configuration is required for synchronous burst operations. Ensure the design accommodates the 3.3V I/O levels and the 100-pin TQFP footprint. Compare against other members of the 71V65 series if different densities or pinouts are needed for space constraints.

Part Context

This component belongs to the Renesas 71V65 series of 3.3V Synchronous ZBT SRAMs. The series offers various configurations including 256K x 36 and 512K x 18 options. These devices are designed for applications demanding high throughput and low latency without the complexity of asynchronous timing.

Replacement Considerations

Publicly confirmed substitutes include IS61NLF51218A-7.5TQLI from ISSI. Verify electrical compatibility and pinout alignment before substitution.