71V65603S150BQ8

Overview

The 71V65603S150BQ8 is a synchronous single data rate zero bus turnaround SRAM IC manufactured by Renesas Electronics. It features a storage capacity of 9 Mbit organized as 256K x 36 bits. The device supports a maximum clock frequency of 150 MHz with an access time of 3.8 ns. It operates on a parallel interface and requires a supply voltage between 3.135 V and 3.465 V. The component is housed in a 165-CABGA package measuring 13x15 mm.

Feature Summary

• Supports synchronous single data rate operation with zero bus turnaround capability for efficient data transfer.
• Provides high-speed memory access with a 150 MHz clock frequency and 3.8 ns access time.
• Features a wide 36-bit data interface suitable for high-bandwidth applications.

Applications

• High-performance computing systems requiring fast memory access
• Network infrastructure equipment
• Industrial automation controllers

Procurement Notes

Verify the specific suffix BQ8 against official Renesas documentation to confirm package dimensions and pinout compatibility. Confirm RoHS compliance status as historical records indicate variations within the 71V65603 series. Check for obsolescence notifications, as certain variants in this family have been discontinued. Ensure the supplier provides valid traceability documents for quality assurance purposes.

Selection Notes

Select this component when a 36-bit wide synchronous SRAM interface is required for system architecture. Compare the 150 MHz speed grade against slower variants if lower power consumption is prioritized over performance. Verify that the 165-CABGA footprint fits the PCB layout constraints. Consider thermal management requirements given the operating temperature range and power dissipation characteristics.

Part Context

This part belongs to the 71V65603 series of synchronous SRAMs from Renesas. The series includes various speed grades and package options, such as TQFP and CABGA formats. The 71V65603S150BQ8 specifically denotes the 150 MHz speed bin in the 165-CABGA package. Related parts include the 71V65603S100PFG and IDT71V65603S150PFI, which share similar memory organization but differ in speed or packaging.

Replacement Considerations

Publicly documented substitutes include IS61NLP25636A-200TQLI from Integrated Silicon Solution Inc. Verify electrical compatibility and pin-to-pin equivalence before replacement. Note that alternative sources may have different lead times or qualification statuses.

FAQ

What is the memory organization of the 71V65603S150BQ8?

The memory is organized as 256K words by 36 bits, providing a total capacity of 9 Mbit.

Does this component support Zero Bus Turnaround (ZBT)?

Yes, the 71V65603S150BQ8 is a ZBT SRAM, allowing for continuous data transfers without wait states during direction changes.