71V321L25TFG

Overview

The 71V321L25TFG is an asynchronous dual-port static random-access memory (SRAM) integrated circuit manufactured by Renesas Electronics Corporation. It provides a storage capacity of 16 kilobits organized as 2K words by 8 bits. The device features a parallel interface with a maximum access time of 25 nanoseconds and a write cycle time of 25 nanoseconds. It operates within a supply voltage range of 3.0 volts to 3.6 volts and supports surface-mount installation in a 64-pin Thin Quad Flat Package (TQFP) measuring 10x10 millimeters. The component is rated for commercial operating temperatures between 0°C and 70°C.

Feature Summary

• Supports simultaneous independent read and write operations through two separate port interfaces
• Provides high-speed data transfer with a 25 nanosecond access time specification
• Operates on a single 3.3-volt power supply compatible with standard logic levels

Applications

• High-performance embedded systems requiring fast local data buffering
• Industrial control units needing reliable volatile memory storage
• Communication equipment utilizing parallel bus architectures

Procurement Notes

Verify the specific suffix 'TFG' to confirm the RoHS-compliant variant and tray packaging format. Ensure the design accommodates the 64-TQFP footprint dimensions. Confirm that the target application environment remains within the specified commercial temperature range of 0°C to 70°C. Check for moisture sensitivity level requirements during assembly handling.

Selection Notes

Select this component when a dual-port architecture is required for concurrent processor access without external arbitration logic. Choose the 25ns speed grade over slower variants if system timing constraints demand rapid data retrieval. Consider the 64-TQFP package only if board space allows for the 10x10mm outline. Verify that the 3V to 3.6V supply rail stability meets the device's electrical specifications.

Part Context

This part belongs to the 71V321L series of asynchronous dual-port SRAMs from Renesas. The series offers various speed grades and packaging options to suit different performance and form-factor needs. The 71V321L25TFG specifically represents the 25ns speed bin in the commercial temperature range with lead-free compliant manufacturing processes.

Replacement Considerations

The 71V321L25TFGI is documented as a similar replacement option, offering extended industrial temperature capabilities.