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71V256S10YG
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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：10ns
- Voltage - Supply：3V ~ 3.6V
- Operating Temperature：0°C ~ 70°C (TA)
- Mounting Type：Surface Mount
- Package / Case：28-BSOJ (0.300", 7.62mm Width)
- Supplier Device Package：28-SOJ
- Access Time：10 ns
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Overview
The IDT71V256S10YG 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 utilizes a parallel interface and offers a maximum access time of 10 ns. It operates within a supply voltage range of 3.0V to 3.6V and supports an industrial temperature range from -40°C to +85°C. The component is housed in a 28-pin Small Outline J-Lead (SOJ) package.
Feature Summary
- Fully static asynchronous operation requiring no clocks or refresh cycles
- Low power standby mode with guaranteed consumption under 6.6mW
- CMOS level chip select for efficient battery life extension
- Direct TTL-compatible input and output interfaces
Applications
- Battery-powered portable electronic devices
- Industrial control systems
- Communication equipment buffers
- Embedded system data storage
Procurement Notes
Verify RoHS compliance status carefully, as historical records indicate non-compliance for this specific part number variant. Confirm the manufacturer's discontinuation status and check for valid replacement components before procurement planning. Ensure the supplier provides official datasheets matching the 28-SOJ package specifications.
Selection Notes
Select this component when a 10 ns access speed is required for 32Kx8 memory configurations. It is suitable for designs needing low standby power and 3.3V operation. Verify that the 28-SOJ package fits the board layout constraints. Consider the industrial temperature rating for harsh environments.
Part Context
This part belongs to the 71V256SA family of high-performance SRAMs. It shares architectural similarities with other variants like the IDT71V256SA20YI but offers faster access times. The SOJ package distinguishes it from surface-mount alternatives, targeting specific legacy or specialized mounting requirements.
Replacement Considerations
Check for direct pin-to-pin replacements such as the AS7C3256A series from Alliance Memory. Verify electrical compatibility regarding access times and voltage levels. Ensure the substitute component matches the 28-SOJ package form factor.
