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71V256SA15YGI
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Product Detailed Parameters
- Description：IC SRAM 256KBIT PARALLEL 28SOJ
- Series：-
- Mfr：Renesas Electronics Corporation
- Package：Tube
- Memory Type：Volatile
- Memory Format：SRAM
- Technology：SRAM - Asynchronous
- Memory Size：256Kbit
- Memory Organization：32K x 8
- Memory Interface：Parallel
- Clock Frequency：-
- Write Cycle Time - Word, Page：15ns
- Voltage - Supply：3V ~ 3.6V
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：28-BSOJ (0.300", 7.62mm Width)
- Supplier Device Package：28-SOJ
- Access Time：15 ns
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Overview
The 71V256SA15YGI is a 3.3V CMOS Asynchronous Static Random Access Memory (SRAM) manufactured by Renesas Electronics Corporation. It features a storage capacity of 256Kb, organized as 32K words by 8 bits. The device offers a maximum access time of 15 ns and utilizes a parallel interface. It operates within a supply voltage range of 3V to 3.6V and supports an industrial temperature range of -40°C to +85°C. The component is housed in a 28-pin Small Outline J-Lead (SOJ) package.
Feature Summary
- Fully static asynchronous circuitry requiring no clocks or refresh cycles for operation.
- Low standby current characteristics designed to extend battery life in portable applications.
- LVTTL-compatible inputs and outputs for direct interfacing with logic systems.
Applications
- High-performance processor secondary cache memory
- Battery-powered devices requiring low standby power consumption
- Industrial control systems operating in extended temperature environments
Procurement Notes
Verify the specific suffix YGI against official datasheets to confirm the 28-SOJ package and industrial temperature grade (-40°C to +85°C). Confirm RoHS compliance status and moisture sensitivity level prior to integration. Check for product end-of-life notices or obsolescence announcements from Renesas Electronics before finalizing procurement plans.
Selection Notes
Select this component when a 32Kx8 organization with 15 ns speed is required in a 28-pin SOJ form factor. Ensure system design accommodates the 3.3V single supply voltage and LVTTL logic levels. Consider alternative packages such as TSOP if board space constraints differ from the SOJ footprint requirements.
Part Context
This part belongs to the 71V256SA family of 3.3V asynchronous SRAMs. The series provides various access speeds and packaging options, including commercial and industrial temperature grades. The 71V256SA15 variant specifically denotes the 15 ns speed class within this architecture.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided source material. Verify compatibility with equivalent parts from other manufacturers based on pinout, voltage, and timing specifications.
