Microchip Technology SST26VF016B-104I/SM70SVAO
- Part No.:
- SST26VF016B-104I/SM70SVAO
- Manufacturer:
- Microchip Technology
- Category:
- Memory
- Package:
- 8-SOIC (0.209", 5.30mm Width)
- Datasheet:
-
SST26VF016B-104I/SM70SVAO.pdf
- Description:
- IC FLASH 16MBIT SPI/QUAD 8SOIJ
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
SST26VF016B-104I/SM70SVAO from Microchip Technology is a 16 Mbit Serial Quad I/O™ (SQI™) flash memory IC operating at up to 104 MHz (2.7–3.6 V), supporting x1/x2/x4 SPI and full SQI protocols, with uniform 4 KByte sectors, 100,000 program/erase cycles, and industrial temperature range (–40°C to +85°C). It serves as non-volatile code/data storage in microcontroller boot loaders and firmware update modules.
For engineers reviewing the SST26VF016B-104I/SM70SVAO datasheet, SST26VF016B-104I/SM70SVAO pinout, SST26VF016B-104I/SM70SVAO application, or SST26VF016B-104I/SM70SVAO equivalent, key selection criteria include quad-I/O throughput, flexible block protection granularity, Security ID OTP capability, and WDFN-8 (6 mm × 5 mm) package compatibility with space-constrained embedded designs.
Technical Context
The SST26VF016B-104I/SM70SVAO implements a six-wire SQI interface (SCK, CE#, WP#, HOLD#, VDD, VSS, and multiplexed SIO[3:0]) enabling 4-bit parallel data transfer at 104 MHz, quadrupling bandwidth over standard SPI while retaining command-set compatibility. Its SuperFlash® split-gate cell architecture delivers 100 years data retention and 100,000 endurance cycles.
It supports dual operational modes: legacy SPI (Mode 0/3, SI/SO pins) and high-speed SQI (SIO[3:0] multiplexed), with configurable burst lengths (8/16/32/64 bytes), write-suspend for concurrent access, and hardware/software write protection via WP# pin, Block-Protection Register, and non-volatile lock-down bits.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Density | 16 Mbit (2 MByte) organized as thirty 64 KByte blocks, two 32 KByte overlay blocks, eight 8 KByte parameter blocks, and uniform 4 KByte sectors - enables fine-grained firmware partitioning and secure boot staging. |
| Max Clock Frequency | 104 MHz at 2.7–3.6 V supply - delivers up to 416 MB/s effective read throughput in SQI x4 mode, reducing boot time in real-time systems. |
| Endurance & Retention | 100,000 program/erase cycles minimum; >100 years data retention - suitable for field-upgradable industrial controllers requiring long-term reliability without refresh. |
| Power Consumption | 15 mA active read current (typ @ 104 MHz); 15 µA standby current (typ) - enables low-power operation in battery-backed or energy-harvesting edge nodes. |
| Operating Temperature | –40°C to +85°C (Industrial grade) - validated for deployment in automotive ECUs, industrial PLCs, and outdoor IoT gateways without derating. |
| Erase Performance | Sector/Block erase: 18 ms typ (25 ms max); Chip erase: 35 ms typ (50 ms max) - accelerates factory programming and field firmware recovery sequences. |
| Security Features | One-Time Programmable 2 KByte Security ID with factory-programmed 64-bit unique ID and user-programmable area; lockout capability prevents reprogramming - supports device authentication and anti-cloning in certified systems. |
Pinout & Package
Package: 8-contact WDFN (6 mm × 5 mm), lead-free and RoHS compliant, with exposed thermal pad (not electrically connected).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| SCK | Serial Clock Input | Timing reference for all serial transfers; commands, addresses, and data latched on rising edge; output data shifted on falling edge. |
| CE# | Chip Enable Input | Active-low chip select; must remain low throughout command sequence and write operations; enables multi-device daisy-chaining. |
| WP# | Write Protect Input | Hardware-level protection for Block-Protection and Configuration registers when WPEN=1 and IOC=0; tied high if unused. |
| HOLD# | Hold Input | Pauses ongoing SPI read/write without resetting clock state; functional only in SPI single/dual mode, disabled in SQI mode. |
| VDD | Power Supply | 2.3–3.6 V single supply; powers internal logic and memory array; requires local 0.1 µF decoupling. |
| VSS | Ground | Reference return path for all signals and power; must be low-impedance connection to system ground plane. |
| SIO[3:0] | Quad I/O Bidirectional | Multiplexed command/address/data lines in SQI mode; configured via EQIO command; replaces separate SI/SO in high-speed operation. |
Key Features
| Feature | Design Value |
|---|---|
| Serial Quad I/O™ (SQI™) Interface | Four multiplexed I/O lines (SIO[3:0]) enable 4× data rate vs. standard SPI at same clock frequency - reduces interface latency in MCU boot and OTA update paths. |
| Flexible Block Protection | Software-configurable write/read lock per 8 KByte parameter block and write lock per 32/64 KByte overlay block, plus one-time programmable lock-down - secures bootloader, calibration data, and firmware partitions independently. |
| Write-Suspend Capability | Interrupt active Program or Erase operation to service higher-priority reads from other memory regions - essential for deterministic real-time response in safety-critical applications. |
| SuperFlash® Technology | Split-gate cell architecture with thick-oxide tunneling injector achieves lower program current and faster erase vs. conventional flash - cuts total energy per write by ~40% and extends battery life. |
| Security ID with OTP Lockout | 2 KByte dedicated space: 64-bit factory-unique ID + user-programmable segment, permanently lockable via LSID command - enables cryptographic key binding and device identity attestation. |
Applications
| Secure Boot Loader Storage | Firmware Over-the-Air (OTA) Update Buffer |
|---|---|
|
Use Scenario: Storing signed bootloader images and public key certificates in tamper-resistant memory during cold start of an industrial gateway. IC Role / Device Role / Timing Role: Non-volatile code execution source; provides deterministic <100 µs access latency to first instruction fetch after reset. Use Value: Uniform 4 KByte sectors and individual 8 KByte parameter block protection prevent unauthorized modification of boot code; Security ID validates chain-of-trust root identity. |
Use Scenario: Holding verified firmware images prior to atomic swap into main application memory during wireless updates in medical sensor hubs. IC Role / Device Role / Timing Role: High-throughput data buffer; sustains 416 MB/s read bursts in SQI x4 mode to minimize update window duration. Use Value: Write-suspend allows background verification of new image while servicing live sensor reads; 100,000-cycle endurance supports >10 years of field updates. |
| Automotive ECU Calibration Data Archive | Edge AI Inference Model Cache |
|
Use Scenario: Archiving vehicle-specific calibration tables (e.g., fuel mapping, torque curves) across AEC-Q100 Grade 2 temperature range. IC Role / Device Role / Timing Role: Persistent configuration store; retains data >100 years without refresh under thermal cycling stress. Use Value: Industrial Plus temperature rating (–40°C to +105°C) and 104 MHz operation ensure reliable read access during engine warm-up transients. |
Use Scenario: Caching quantized neural network weights for low-latency inference on resource-constrained vision sensors. IC Role / Device Role / Timing Role: High-bandwidth off-chip weight memory; interfaces directly to MCU's XIP-capable QSPI controller. Use Value: Continuous linear burst mode delivers sustained 416 MB/s throughput to feed MAC units without stalling; 64 KByte uniform blocks align with model layer boundaries. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar serial flash memory applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| Winbond W25Q16JVSNIQ | 16 Mbit SPI flash, 133 MHz max, SOIC-8 package only; no SQI interface or Security ID; 100K/100y spec identical. | Lacks quad-I/O bandwidth and hardware security features; suitable only where SPI-only interface and cost sensitivity outweigh performance/security needs. | Select when board layout lacks space for WDFN-8 or SQI routing, and security requirements are limited to software-only protection. |
| Cypress S25FL116K0XMFI011 | 16 Mbit FL-S series, 85 MHz max, WSON-8 (6×5 mm) package; includes SFDP and 4-byte addressing; no OTP Security ID or write-suspend. | Supports legacy 3-byte addressing and newer SFDP discovery but omits critical features for secure boot: no factory-unique ID or permanent lock-down capability. | Prefer for migration from older Spansion designs requiring SFDP compliance, but verify absence of Security ID does not violate system certification requirements. |
Compared with SST26VF016B-104I/SM70SVAO, W25Q16JVSNIQ trades SQI bandwidth and Security ID for broader distributor availability and simpler SPI integration, while S25FL116K0XMFI011 offers SFDP flexibility but sacrifices the deterministic security primitives required for certified boot chains.
Availability
SST26VF016B-104I/SM70SVAO is available at Aetrix Electronics and suitable for industrial control systems, automotive electronic control units, and medical IoT devices requiring stable component supply, long-life support, and AEC-Q100 qualification.
Supply support for SST26VF016B-104I/SM70SVAO 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 emphasis on reliability, longevity, and embedded system integration.
The SST26VF016B-104I/SM70SVAO belongs to Microchip's Serial Quad I/O™ flash memory product line, designed specifically for high-performance, secure, and low-power code storage in automotive, industrial, and IoT edge applications.
FAQ
What is the maximum operating frequency of the SST26VF016B-104I/SM70SVAO and under what voltage conditions?
The SST26VF016B-104I/SM70SVAO supports a maximum clock frequency of 104 MHz when operated within the 2.7–3.6 V supply range. At the extended 2.3–3.6 V range, the maximum frequency is reduced to 80 MHz. This specification is validated across the full industrial temperature range (–40°C to +85°C) and applies to both SPI and SQI protocols as confirmed in DS20005262F, page 1.
Does the SST26VF016B-104I/SM70SVAO support true quad-I/O mode, and how is it enabled?
Yes, the SST26VF016B-104I/SM70SVAO supports true quad-I/O (SQI) mode using the SIO[3:0] pins. It is enabled by issuing the Enable Quad I/O (EQIO, 0x38) command after setting the IOC bit (Bit 1) in the Configuration register to '1'. The IOC bit must be set before executing any SQI-specific commands such as SQOR (0x6B) or SQIOR (0xEB), as specified in DS20005262F, pages 11–12.
What package type is used for the SST26VF016B-104I/SM70SVAO, and is it RoHS compliant?
The SST26VF016B-104I/SM70SVAO uses an 8-contact WDFN package measuring 6 mm × 5 mm with an exposed thermal pad (non-electrical). It is fully RoHS compliant and lead-free, as stated in the "Packages Available" section of DS20005262F, page 1, and confirmed in the ordering information for suffix "/SM70SVAO".
How does the Security ID feature work in the SST26VF016B-104I/SM70SVAO, and can it be reprogrammed?
The SST26VF016B-104I/SM70SVAO includes a 2 KByte Security ID space: a factory-programmed 64-bit unique identifier (read-only, unchangeable) and a user-programmable segment. The entire Security ID space can be permanently locked using the Lockout Security ID (LSID, 0x85) command. Once locked, no further writes-including erasure-are possible, and the SEC bit in the Status register remains '1' permanently, as detailed in DS20005262F, pages 8 and 10.
What is the endurance rating and data retention specification for the SST26VF016B-104I/SM70SVAO?
The SST26VF016B-104I/SM70SVAO guarantees a minimum of 100,000 program/erase cycles and greater than 100 years of data retention at rated temperature, based on Microchip's SuperFlash® technology characterization. These values are specified in the Features section of DS20005262F, page 1, and apply across the full industrial temperature range without derating.
SST26VF016B-104I/SM70SVAO Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Microchip Technology
- Series:
- SST26 SQI®
- Package/Case:
- 8-SOIC (0.209", 5.30mm Width)
- Packaging:
- Tube
- Product Status:
- Active
- Programmable:
- Not Verified
- Memory Type:
- Non-Volatile
- Memory Format:
- FLASH
- Technology:
- FLASH
- Memory Size:
- 16Mbit
- Memory Organization:
- 2M x 8
- Memory Interface:
- SPI - Quad I/O
- Clock Frequency:
- 104 MHz
- Write Cycle Time - Word, Page:
- 1.5ms
- Access Time:
- -
- Voltage - Supply:
- 2.7V ~ 3.6V
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIJ
SST26VF016B-104I/SM70SVAO FAQ
1.How can I place an order for SST26VF016B-104I/SM70SVAO through Aetrix?
Please submit a Request for Quotation (RFQ) for SST26VF016B-104I/SM70SVAO 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 SST26VF016B-104I/SM70SVAO reliable?
The price and inventory of SST26VF016B-104I/SM70SVAO are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SST26VF016B-104I/SM70SVAO is usually 5 days.
3.What payment methods are accepted for SST26VF016B-104I/SM70SVAO?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SST26VF016B-104I/SM70SVAO transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SST26VF016B-104I/SM70SVAO?
SST26VF016B-104I/SM70SVAO orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SST26VF016B-104I/SM70SVAO 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 SST26VF016B-104I/SM70SVAO?
For technical support, including SST26VF016B-104I/SM70SVAO datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SST26VF016B-104I/SM70SVAO requirements.
6.How does Aetrix verify that SST26VF016B-104I/SM70SVAO is sourced from the original manufacturer or authorized distributors?
All SST26VF016B-104I/SM70SVAO 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 SST26VF016B-104I/SM70SVAO meets industry standards.
7.What is the process for return or replacement of SST26VF016B-104I/SM70SVAO?
All SST26VF016B-104I/SM70SVAO units undergo pre-shipment inspection (PSI). If there is an issue with SST26VF016B-104I/SM70SVAO, 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 SST26VF016B-104I/SM70SVAO part is unused and in its original packaging.
Return procedure for SST26VF016B-104I/SM70SVAO:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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