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SST39VF020-70-4I-WHE is listed in the Memory IC range at ChipApex. The manufacturer field lists Microchip Technology. Its product description is IC FLASH 2MBIT PARALLEL 32TSOP. Review the specifications below when checking this part for your BOM.
Memory IC specifications for SST39VF020-70-4I-WHE
- Description：IC FLASH 2MBIT PARALLEL 32TSOP
- Series：SST39 MPF™
- Mfr：Microchip Technology
- Package：Tray
- Memory Type：Non-Volatile
- Memory Format：FLASH
- Technology：FLASH
- Memory Size：2Mbit
- Memory Organization：256K 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-TFSOP (0.488", 12.40mm Width)
- Supplier Device Package：32-TSOP
- Access Time：70 ns
- Grade：-
- Qualification：-
Memory IC datasheet and documents for SST39VF020-70-4I-WHE
Memory IC Overview
The SST39VF020-70-4I-WHE is a 2 Mbit (256K x 8) CMOS Multi-Purpose Flash manufactured using SuperFlash technology. It operates with a single voltage supply of 2.7V to 3.6V for both read and write operations. The device features an asynchronous parallel interface with a maximum access time of 70 ns. It is housed in a 32-lead TSOP package and supports uniform 4 KByte sector erase capabilities.
Memory IC Feature Summary
- Utilizes proprietary SuperFlash technology with split-gate cell design for enhanced reliability and manufacturability.
- Supports fast byte-programming, sector-erase, and chip-erase operations with automatic internal timing generation.
- Includes hardware and software data protection schemes to prevent inadvertent writes during power-up or down.
- Provides end-of-write detection via Toggle Bit and Data# Polling mechanisms.
Memory IC Applications
- Code storage for microcontrollers and embedded systems
- Configuration memory for industrial control applications
- Data storage for voice and video recording devices
Memory IC Procurement Notes
Verify the specific suffix 'WHE' corresponds to the 32-lead TSOP package and Industrial temperature range (-40°C to +85°C). Confirm that the 'VF' designation indicates 2.7V-3.6V operation, distinct from the 'LF' variant which requires 3.0V-3.6V. Ensure compatibility with JEDEC standard pinouts for x8 memories.
Memory IC Selection Notes
Select this component when a 2 Mbit capacity with 70 ns access speed is required for industrial environments. It is suitable for designs needing low power consumption and high endurance. Consider the 32-lead TSOP form factor for surface mount assembly requirements.
Memory IC Part Context
This part belongs to the SST39VF series of Multi-Purpose Flash memories. It shares architectural similarities with the SST39LF020 but differs in operating voltage requirements. The series is designed for economical updating of program, configuration, or data memory in various electronic systems.
Memory IC Replacement Considerations
SST39VF020-70-4C-WHE-T: Commercial temperature version (0°C to +70°C). SST39LF020-70-4I-WHE: Requires 3.0V-3.6V supply voltage.
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