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SST39VF512-70-4I-NHE is listed in the Memory IC range at ChipApex. The manufacturer field lists Microchip Technology. Its product description is IC FLASH 512KBIT PARALLEL 32PLCC. Review the specifications below when checking this part for your BOM.
Memory IC specifications for SST39VF512-70-4I-NHE
- Description：IC FLASH 512KBIT PARALLEL 32PLCC
- Series：SST39 MPF™
- Mfr：Microchip Technology
- Package：Tube
- Memory Type：Non-Volatile
- Memory Format：FLASH
- Technology：FLASH
- Memory Size：512Kbit
- Memory Organization：64K x 8
- Memory Interface：Parallel
- Clock Frequency：-
- Write Cycle Time - Word, Page：20µs
- Voltage - Supply：2.7V ~ 3.6V
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：32-LCC (J-Lead)
- Supplier Device Package：32-PLCC (11.43x13.97)
- Access Time：70 ns
- Grade：-
- Qualification：-
Memory IC datasheet and documents for SST39VF512-70-4I-NHE
Memory IC Overview
The SST39VF512-70-4I-NHE is a 512 Kbit (64K x 8) NOR Flash memory manufactured by Microchip Technology using SuperFlash technology. It features a parallel interface with asynchronous timing and a maximum access time of 70 ns. The device operates within a voltage range of 2.7 V to 3.6 V and supports single-voltage programming. It is housed in a 32-pin PLCC package and is rated for industrial operating temperatures from -40°C to +85°C.
Memory IC Feature Summary
- Utilizes proprietary SuperFlash technology for enhanced reliability and performance
- Supports sector protection mechanisms to prevent accidental data modification
- Enables fast write cycle times for efficient code execution in place
Memory IC Applications
- Storage of firmware and application code in embedded systems
- Data storage in consumer electronics devices
- Industrial control system memory modules
Memory IC Procurement Notes
Verify the specific suffix 'NHE' corresponds to the 32-pin PLCC package and industrial temperature grade. Confirm RoHS compliance status and moisture sensitivity level requirements for your assembly process. Ensure the source document explicitly lists this part number as active or available, as legacy flash parts may have end-of-life statuses.
Memory IC Selection Notes
Select this component when a 512 Kbit capacity with a 16-bit or 8-bit parallel interface is required. The 70 ns speed suits applications needing moderate read performance. The 2.7V to 3.6V supply range makes it suitable for 3.3V logic systems. Compare against SST39SF series if 5V operation is mandatory instead of 3.3V.
Memory IC Part Context
This part belongs to the SST39VF family of Multi-Purpose Flash memories. It shares architectural similarities with other SST39VF devices but differs in density and package options. It is designed to replace older EPROMs and standard NOR flashes in cost-sensitive applications requiring non-volatile storage.
Memory IC Replacement Considerations
Check for direct pin-compatible substitutes within the SST39VF series with different densities. Verify if the SST39SF series offers a 5V alternative if voltage compatibility is an issue. Consult official substitution guides for any obsolescence notices.
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