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71V3559S85PFG
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Product Detailed Parameters
- Description：IC SRAM 4.5MBIT PARALLEL 100TQFP
- Series：-
- Mfr：Renesas Electronics Corporation
- Package：Tray
- Memory Type：Volatile
- Memory Format：SRAM
- Technology：SRAM - Synchronous, SDR (ZBT)
- Memory Size：4.5Mbit
- Memory Organization：256K x 18
- Memory Interface：Parallel
- Clock Frequency：-
- Write Cycle Time - Word, Page：-
- Voltage - Supply：3.135V ~ 3.465V
- Operating Temperature：0°C ~ 70°C (TA)
- Mounting Type：Surface Mount
- Package / Case：100-LQFP
- Supplier Device Package：100-TQFP (14x14)
- Access Time：8.5 ns
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Overview
The 71V3559S85PFG is a synchronous single data rate (SDR) static random-access memory (SRAM) integrated circuit manufactured by Renesas Electronics Corporation. It provides a total storage capacity of 4.5 megabits, organized as 256K words by 18 bits. The device features a parallel interface with an access time of 8.5 nanoseconds. It operates within a supply voltage range of 3.135 volts to 3.465 volts and is housed in a 100-pin thin quad flat package measuring 14x14 millimeters.
Feature Summary
- Synchronous SDR architecture for high-speed data transfer
- Parallel interface supporting wide 18-bit data paths
- Fast 8.5 ns access time for low-latency operations
Applications
- High-performance embedded systems requiring fast memory access
- Network infrastructure equipment
- Industrial control systems
Procurement Notes
Verify the exact suffix designation, as the provided model lacks the final character indicating temperature grade or packaging variant. Confirm current production status, as similar variants in this series have been marked obsolete. Check datasheet revisions for any pinout or electrical specification changes before integration.
Selection Notes
Select this component when a wide 18-bit data bus is required for system efficiency. Ensure the design supports the specific 3.3V nominal supply voltage range. Consider the 100-pin TQFP footprint constraints during PCB layout. Verify that the synchronous clocking requirements align with the system controller capabilities.
Part Context
This part belongs to the IDT 71V3559 family of synchronous SRAMs. It shares core specifications with other variants such as the 71V3559S85BG8 and 71V3559S85BQ, differing primarily in package type and thermal rating. The family is designed for applications demanding high bandwidth and deterministic timing.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the source material. Designers should consult official Renesas documentation for recommended cross-references or contact the manufacturer directly for obsolescence management options.
