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Microchip Technology SST25VF010A-33-4I-QAE-T
- Part No.:
- SST25VF010A-33-4I-QAE-T
- Manufacturer:
- Microchip Technology
- Category:
- Memory
- Package:
- 8-WDFN Exposed Pad
- Datasheet:
-
SST25VF010A-33-4I-QAE-T.pdf
- Description:
- IC FLASH 1MBIT SPI 33MHZ 8WSON
- Quantity:
- Payment:
- Shipping:
Inventory:1,215
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Product details
Overview
SST25VF010A-33-4I-QAE-T from Microchip Technology is a 1 Mbit SPI serial flash memory IC designed for embedded firmware storage and boot code retention in space-constrained systems. It operates from a single 2.7–3.6 V supply, supports up to 33 MHz clock frequency, delivers 100,000 program/erase cycles, and guarantees >100 years data retention - deployed in industrial control modules requiring reliable nonvolatile storage with SPI interface compatibility.
For engineers reviewing the SST25VF010A-33-4I-QAE-T datasheet, SST25VF010A-33-4I-QAE-T pinout, SST25VF010A-33-4I-QAE-T application, or SST25VF010A-33-4I-QAE-T equivalent, key selection criteria include sector/block erase flexibility, Auto Address Increment (AAI) programming efficiency, HOLD#/WP# hardware control support, industrial temperature range (-40°C to +85°C), and SOIC-8 package compatibility with legacy PCB footprints.
Technical Context
The SST25VF010A-33-4I-QAE-T implements a four-wire SPI interface compliant with Mode 0 and Mode 3 protocols, using CE#, SCK, SI, and SO signals for command/address/data transfer. Its SuperFlash technology employs a split-gate cell architecture with thick-oxide tunneling injector to achieve superior endurance and data retention versus conventional NOR flash.
It features dual erase granularity - uniform 4 KByte sectors and 32 KByte overlay blocks - and supports both Byte-Program (14 µs typical) and AAI programming modes. The status register provides real-time BUSY/WEL/BP/BPL/AAI flags, enabling precise operation monitoring and software-controlled write protection.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Density | 1 Mbit (128 KByte), organized as 32 × 4 KByte sectors or 4 × 32 KByte overlay blocks - enables granular firmware updates without full chip erase. |
| Max Clock Frequency | 33 MHz (High-Speed Read mode) - supports fast boot code fetch and runtime data access in real-time systems. |
| Endurance | 100,000 program/erase cycles (typical) - ensures long-term reliability in field-upgradable devices with frequent configuration writes. |
| Data Retention | >100 years at +25°C - qualifies for industrial equipment with multi-decade service life requirements. |
| Supply Voltage | 2.7–3.6 V single supply - compatible with 3.3 V logic domains and eliminates need for auxiliary voltage rails. |
| Operating Temp | -40°C to +85°C (Industrial grade) - validated for deployment in motor drives, PLCs, and outdoor IoT gateways. |
| Active Read Current | 7 mA (typical at 33 MHz) - balances speed and power efficiency in battery-backed or energy-sensitive applications. |
Pinout & Package
Package: 8-lead SOIC (150 mil body width), RoHS-compliant, lead-free.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| CE# | Chip Enable | Active-low device select; must remain low throughout command sequence - enables multi-device SPI bus sharing. |
| SCK | Serial Clock | Timing reference for SPI transfers; rising edge latches input (SI), falling edge outputs data (SO) - supports Mode 0/Mode 3 polarity/frequency alignment. |
| SI | Serial Data Input | Command, address, and data input path - accepts 8-bit opcodes (e.g., 03H Read, 02H Byte-Program) MSB-first. |
| SO | Serial Data Output | Read data and status register output - high-impedance when HOLD# active or CE# high. |
| WP# | Write Protect | Hardware lock-down control for Block-Protection-Lock (BPL) bit - prevents accidental status register modification when pulled low. |
| HOLD# | Hold | Pauses ongoing SPI transaction without resetting internal state - allows host CPU to service interrupts while preserving flash context. |
| VDD | Power Supply | 2.7–3.6 V main supply - powers core logic and memory array; decoupling capacitor required per layout guidelines. |
| VSS | Ground | Reference return path for all I/O and core circuits - must be connected to system ground plane with low-inductance trace. |
Key Features
| Feature | Design Value |
|---|---|
| Auto Address Increment (AAI) Programming | Reduces total programming time by eliminating repeated address transmission during sequential byte writes - critical for rapid firmware patching. |
| Flexible Erase Architecture | Independent 4 KByte sector and 32 KByte block erase - minimizes disruption during partial image updates in bootloader-resident applications. |
| Hardware Write Protection | WP# pin enables BPL bit lock-down, preventing unauthorized status register changes - enhances security in certified industrial firmware stacks. |
| HOLD# Functionality | Suspends SPI communication mid-sequence without deselecting device - preserves command state during host interrupt latency, improving deterministic timing. |
| Software Status Register | Real-time BUSY, WEL, BP0/BP1, BPL, and AAI bits accessible via RDSR (05H) - enables robust polling-based operation control without external timers. |
Applications
| Firmware Boot Storage | Industrial PLC Configuration |
|---|---|
Use Scenario: Stores boot loader and initial firmware image for microcontrollers in factory automation controllers. IC Role / Device Role / Timing Role: Nonvolatile boot memory accessed via SPI during power-on reset sequence; supports fast High-Speed-Read (33 MHz) for sub-100 ms boot times. Use Value: Eliminates need for external parallel NOR flash, reducing PCB area and BOM count while maintaining deterministic boot latency. |
Use Scenario: Retains user-defined ladder logic parameters and calibration tables in programmable logic controllers operating in harsh environments. IC Role / Device Role / Timing Role: Industrial-grade configuration store with sector-level erase capability - allows safe parameter updates without disrupting runtime execution. Use Value: 100,000-cycle endurance and -40°C to +85°C rating ensure stable operation across thermal cycling in unconditioned control cabinets. |
| Medical Device Calibration Data | Smart Meter Firmware Updates |
Use Scenario: Holds factory-calibrated sensor offsets and linearization coefficients in portable diagnostic equipment. IC Role / Device Role / Timing Role: Secure, long-retention data vault; WP# and BPL bits prevent accidental overwrite of critical calibration values. Use Value: >100-year data retention meets ISO 13485 requirements for lifetime traceability of medical device metrology data. |
Use Scenario: Stores over-the-air (OTA) firmware patches and secure boot keys in utility smart meters deployed outdoors. IC Role / Device Role / Timing Role: Dual-erase granularity enables atomic update of application partition while preserving secure boot region; AAI accelerates patch installation. Use Value: Reduces field update time by ~40% vs. standard byte-program mode - critical for large-scale meter fleet synchronization windows. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar SPI serial flash memory applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| Winbond W25Q80DVSSIG | 8 Mbit density, 104 MHz max clock, Quad SPI support, no HOLD# pin - higher performance but larger footprint and different pinout. | Used where faster read throughput and larger code storage are needed; not drop-in due to pin count and protocol differences. | Select when migrating to higher-density firmware storage with Quad SPI acceleration and can revise PCB layout. |
| Macronix MX25L8006EM1I-12G | 8 Mbit density, 86 MHz max clock, standard SPI only, includes RESET# pin - same SOIC-8 package and pin-compatible with SST25VF010A series. | Direct replacement candidate for capacity upgrades; retains HOLD#/WP# functionality and industrial temp rating. | Choose for seamless density upgrade within identical SOIC-8 footprint and identical SPI timing behavior. |
Compared with SST25VF010A-33-4I-QAE-T, W25Q80DVSSIG offers higher bandwidth and density but requires board redesign, while MX25L8006EM1I-12G provides pin-compatible 8 Mbit expansion with identical industrial qualification and minimal firmware adaptation.
Availability
SST25VF010A-33-4I-QAE-T is available at Aetrix Electronics and suitable for industrial control systems, medical diagnostics equipment, and smart metering platforms requiring stable component supply with guaranteed long-term availability and consistent parametric performance.
Supply support for SST25VF010A-33-4I-QAE-T includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Microchip Technology is a global semiconductor company specializing in microcontrollers, analog devices, and memory solutions, with deep expertise in embedded control and secure connectivity.
The SST25VF010A-33-4I-QAE-T belongs to Microchip's legacy SST serial flash product line, engineered specifically for cost-sensitive, space-constrained industrial and consumer applications demanding proven reliability and SPI interface simplicity.
FAQ
What is the maximum clock frequency supported by SST25VF010A-33-4I-QAE-T?
The SST25VF010A-33-4I-QAE-T supports a maximum clock frequency of 33 MHz in High-Speed-Read mode (command 0BH), enabling fast data retrieval for boot code and firmware execution. Standard Read mode operates up to 20 MHz (command 03H). This dual-speed capability allows system designers to optimize between power consumption and performance based on operational phase.
Does SST25VF010A-33-4I-QAE-T support both SPI Mode 0 and Mode 3?
Yes, SST25VF010A-33-4I-QAE-T is fully compatible with both SPI Mode 0 (CPOL = 0, CPHA = 0) and Mode 3 (CPOL = 1, CPHA = 1). The device samples SI on the rising edge of SCK and drives SO on the falling edge in both modes, ensuring interoperability with diverse host controllers including ARM Cortex-M, PIC, and FPGA-based SPI masters.
How does the HOLD# pin function in SST25VF010A-33-4I-QAE-T?
The HOLD# pin in SST25VF010A-33-4I-QAE-T suspends an active SPI transaction without deselecting the device or resetting internal state. When asserted low during CE# active, it places SO in high-impedance while preserving address and command context - allowing the host processor to handle interrupts and resume communication seamlessly, improving real-time system responsiveness.
What erase options are available on SST25VF010A-33-4I-QAE-T?
SST25VF010A-33-4I-QAE-T supports three erase operations: Chip-Erase (60H/C7H, 70 ms typical), Block-Erase (52H/D8H, 32 KByte units, 18 ms typical), and Sector-Erase (20H, 4 KByte units, 18 ms typical). All erase commands require prior WREN execution and respect software/hardware write protection settings - enabling precise, low-risk firmware maintenance.
Is SST25VF010A-33-4I-QAE-T qualified for industrial temperature operation?
Yes, SST25VF010A-33-4I-QAE-T is rated for industrial temperature operation from -40°C to +85°C, as confirmed by its "I" suffix in the part number and explicit specification in the datasheet. This qualification ensures stable performance in demanding environments such as factory floor controllers, outdoor utility infrastructure, and transportation electronics.
SST25VF010A-33-4I-QAE-T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Microchip Technology
- Series:
- SST25
- Package/Case:
- 8-WDFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Not Verified
- Memory Type:
- Non-Volatile
- Memory Format:
- FLASH
- Technology:
- FLASH
- Memory Size:
- 1Mbit
- Memory Organization:
- 128K x 8
- Memory Interface:
- SPI
- Clock Frequency:
- 33 MHz
- Write Cycle Time - Word, Page:
- 20µs
- Access Time:
- -
- Voltage - Supply:
- 2.7V ~ 3.6V
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-WSON
SST25VF010A-33-4I-QAE-T FAQ
1.How can I place an order for SST25VF010A-33-4I-QAE-T through Aetrix?
Please submit a Request for Quotation (RFQ) for SST25VF010A-33-4I-QAE-T on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for SST25VF010A-33-4I-QAE-T reliable?
The price and inventory of SST25VF010A-33-4I-QAE-T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SST25VF010A-33-4I-QAE-T is usually 5 days.
3.What payment methods are accepted for SST25VF010A-33-4I-QAE-T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SST25VF010A-33-4I-QAE-T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SST25VF010A-33-4I-QAE-T?
SST25VF010A-33-4I-QAE-T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SST25VF010A-33-4I-QAE-T order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for SST25VF010A-33-4I-QAE-T?
For technical support, including SST25VF010A-33-4I-QAE-T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SST25VF010A-33-4I-QAE-T requirements.
6.How does Aetrix verify that SST25VF010A-33-4I-QAE-T is sourced from the original manufacturer or authorized distributors?
All SST25VF010A-33-4I-QAE-T products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that SST25VF010A-33-4I-QAE-T meets industry standards.
7.What is the process for return or replacement of SST25VF010A-33-4I-QAE-T?
All SST25VF010A-33-4I-QAE-T units undergo pre-shipment inspection (PSI). If there is an issue with SST25VF010A-33-4I-QAE-T, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The SST25VF010A-33-4I-QAE-T part is unused and in its original packaging.
Return procedure for SST25VF010A-33-4I-QAE-T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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