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SST26VF032B-104I/SM

32Mbit Serial Quad I/O (SQI) NOR Flash memory in SOIJ-8 package, operating at 104MHz with SuperFlash technology.

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Manufacturer Part：

SST26VF032B-104I/SM

Package：

SOP

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Description


Part Number: SST26VF032B-104I/SM
Manufacturer: SST (Member of Microchip Technology)
Device Type: 32MByte Serial NOR Flash Memory (SPI NOR Flash)
Capacity: 32MB = 256Mbit

Part Number Decoding
SST26VF: SST 26 series high-performance serial NOR Flash
032: Memory capacity 32MB
B: Device revision & process version
104: Maximum operating frequency 104MHz
I: Industrial temperature grade
/SM: Standard surface-mount package

Key Specifications

Interface Support
Supports Standard SPI, Dual SPI, Quad SPI (QSPI) high-speed serial interfaces.

Performance
Max clock frequency: 104 MHz
High-speed read access, ideal for bootloader, firmware storage, and data logging.

Temperature Range
Industrial Grade: -40°C ~ +85°C, suitable for industrial, automotive, and outdoor equipment.

Read / Write & Endurance
Sector erase size: 4KB
Block erase size: 32KB / 64KB
Endurance: Minimum 100,000 erase/write cycles per sector
Data retention: 20 years at ambient temperature

Operating Voltage
Wide voltage range: 2.7V ~ 3.6V

Main Features
Low power consumption, high reliability, and strong anti-interference capability.
QSPI high-speed boot support, perfectly used as boot firmware Flash for MCU and FPGA.
Pin-to-pin compatible with mainstream industry-standard NOR Flash for direct replacement.
Industrial wide temperature range ensures stable operation in harsh working environments.

Typical Applications
FPGA / MCU boot and firmware storage
Industrial control, IoT modules, network routers
Automotive electronics, smart meters, medical devices
Font library storage, configuration parameters, and system log storage

Market Status
This is a mass-production industrial-grade NOR Flash with sufficient original spot inventory, widely adopted in industrial control and communication circuit designs.

The SST26VF032B-104I/SM is a 32Mbit (4M x 8) Serial Quad I/O (SQI) NOR Flash memory from Microchip in SOIJ-8 package. It features SPI/SDI/SQI bus modes, 104MHz maximum clock frequency, 256-byte page programming, 4KByte uniform sector erase, 100,000 cycle endurance, and 2.7V to 3.6V supply. Built with SuperFlash technology for fast erase (18ms sector, 35ms chip) and low power consumption (15mA active read, 15µA standby). Industrial temperature range -40°C to +85°C. Supports execute-in-place (XIP) without code shadowing.

Working Principle(Within 200 Words)

Pin Number Pin Name Description
1 CE# Chip Enable; active LOW, selects the device for command execution
2 SO/SIO1 Serial Data Output / Quad I/O Data 1
3 WP#/SIO2 Write Protect / Quad I/O Data 2 (configurable via register)
4 VSS Ground
5 SI/SIO0 Serial Data Input / Quad I/O Data 0
6 SCK Serial Clock input for SPI/SQI operations
7 HOLD#/SIO3 Hold / Quad I/O Data 3 (configurable via register)
8 VDD Power supply (2.7V to 3.6V)
Application Description
Execute-in-Place (XIP) Direct code execution from flash without SRAM shadowing, enabled by SQI 4-bit interface at 104MHz
Automotive Systems AEC-Q100 Grade 2/3 qualified versions for in-vehicle infotainment and ADAS
Network Appliances Firmware and configuration storage in routers, switches and modems
Digital TV / Set-Top Box Boot code and application storage with fast random access
Smart Meters Data logging and firmware storage in energy metering equipment
Bluetooth/GPS Devices Compact low-pin-count flash for wireless headsets and navigation modules
Model Manufacturer Package Key Difference
SST26VF032BA-104I/SM Microchip SOIC-8 Quad I/O enabled by default at power-up (no register config needed)
SST26VF032BT-104I/MF Microchip TDFN-8 Same die in 6x5mm WDFN package, tape and reel packaging
SST26VF016B-104I/SM Microchip SOIJ-8 16Mbit (half density), pin-compatible drop-in replacement
W25Q32JVSSIQ Winbond SOIC-8 32Mbit SPI/QPI flash, pin-compatible, different command set
AT25FF321A-SSHN-B Renesas SOIC-8 32Mbit, wider voltage range (1.65V-3.6V), lower cost alternative
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Certification
We have obtained a number of professional certifications and built our own professional testing laboratory.This ensures that every product we deliver to our customers meets the highest quality requirements.We conduct tests in strict accordance with procedures to ensure stable product quality and accurate parameters.To guarantee genuine original parts, we also cooperate with reliable third-party testing institutions for strict quality inspection.We always attach great importance to quality and fully comply with industry standards, relevant regulations, and ISO 9001:2015 requirements.

Shipping & Payment

All electronic components we source from our partnered supply chains go through strict incoming inspections.Through careful testing, we ensure everything delivered to customers is genuine original parts and meets quality requirements.In addition, we keep complete inspection records to make the entire supply chain process clear and traceable.

Certification
We have obtained a number of professional certifications and built our own professional testing laboratory.This ensures that every product we deliver to our customers meets the highest quality requirements.We conduct tests in strict accordance with procedures to ensure stable product quality and accurate parameters.To guarantee genuine original parts, we also cooperate with reliable third-party testing institutions for strict quality inspection.We always attach great importance to quality and fully comply with industry standards, relevant regulations, and ISO 9001:2015 requirements.

Service & Packaging

All electronic components we source from our partnered supply chains go through strict incoming inspections.Through careful testing, we ensure everything delivered to customers is genuine original parts and meets quality requirements.In addition, we keep complete inspection records to make the entire supply chain process clear and traceable.

Certification
We have obtained a number of professional certifications and built our own professional testing laboratory.This ensures that every product we deliver to our customers meets the highest quality requirements.We conduct tests in strict accordance with procedures to ensure stable product quality and accurate parameters.To guarantee genuine original parts, we also cooperate with reliable third-party testing institutions for strict quality inspection.We always attach great importance to quality and fully comply with industry standards, relevant regulations, and ISO 9001:2015 requirements.

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