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Microchip Technology SST26WF016BT-104I/CS
- Part No.:
- SST26WF016BT-104I/CS
- Manufacturer:
- Microchip Technology
- Category:
- Memory
- Package:
- 8-UFBGA, CSPBGA
- Datasheet:
-
SST26WF016BT-104I/CS.pdf
- Description:
- IC FLASH 16MBIT SPI/QUAD 8CSP
- Quantity:
- Payment:
- Shipping:
Inventory:4,307
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Product details
Overview
SST26WF016BT-104I/CS from Microchip Technology is a 16 Mbit Serial Quad I/O (SQI) flash memory IC operating at 1.65–1.95 V, supporting 104 MHz max clock frequency, x1/x2/x4 SPI and SQI protocols, and featuring uniform 4 KByte sectors with flexible block protection. It serves as non-volatile program/data storage in microcontroller boot loaders and firmware update modules.
For engineers reviewing the SST26WF016BT-104I/CS datasheet, SST26WF016BT-104I/CS pinout, SST26WF016BT-104I/CS application, or SST26WF016BT-104I/CS equivalent, key selection criteria include single-supply 1.8 V operation, 104 MHz burst read capability, SQI vs. SPI mode configurability, hardware write-protection via WP# pin, and industrial temperature range support (-40°C to +85°C).
Technical Context
The SST26WF016BT-104I/CS implements a six-wire, 4-bit multiplexed I/O interface (SIO[3:0]) compatible with both Mode 0 and Mode 3 SPI timing, enabling quad-data-rate transfers without increasing pin count. Its SuperFlash® split-gate cell architecture delivers 100,000 program/erase cycles and >100 years data retention.
It supports dual operational modes: default SPI mode after power-up (with SI/SO pins active), and configurable SQI mode (requiring IOC bit = 1 and EQIO command). Write-suspend allows interleaved access across blocks during erase/program, and the Status register provides real-time BUSY/WEL/WSE/WSP monitoring for deterministic host control.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Density | 16 Mbit (2 MByte) organized in uniform 4 KByte sectors and overlay blocks |
| Supply Voltage | 1.65–1.95 V - enables direct interfacing with 1.8 V logic systems without level shifting |
| Max Clock Frequency | 104 MHz - supports high-speed linear burst reads up to 416 MB/s effective throughput in SQI x4 mode |
| Endurance & Retention | 100,000 program/erase cycles minimum; >100 years data retention - suitable for field-updatable firmware storage |
| Power Consumption | 15 mA active read current (typ @ 104 MHz); 10 μA standby; 2.5 μA deep power-down - optimized for battery-backed and low-power IoT nodes |
| Erase Performance | Sector/Block erase: 18 ms typ; Chip erase: 35 ms typ - enables fast firmware recovery and secure wipe operations |
| Security Features | 2 KByte OTP Security ID with factory-programmed 64-bit unique ID and user-programmable area; lockable via LSID command |
Pinout & Package
Package: 8-contact WDFN (6 mm × 5 mm), RoHS-compliant, industrial temperature grade (-40°C to +85°C).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| CE# | Chip Enable | Active-low chip select; must remain low throughout command sequence; controls device activation and power state entry |
| SIO[3:0] / SI/SO / WP#/HOLD# | Multiplexed Serial I/O | In SPI mode: SI (input), SO (output), WP# (hardware write protect), HOLD# (communication pause); in SQI mode: all four pins serve bidirectional quad I/O |
| SCK | Serial Clock | Timing reference for command/address/data transfer; rising edge latches inputs, falling edge outputs data |
| VDD | Power Supply | 1.65–1.95 V core supply; powers internal logic, memory array, and I/O buffers |
| VSS | Ground | Reference return path for all internal circuits and I/O signals |
Key Features
| Feature | Design Value |
|---|---|
| Quad I/O Interface (SQI) | Enables 4× data bandwidth vs. standard SPI at same clock rate-reduces firmware load time and improves system responsiveness |
| Flexible Block Protection | Software-configurable per-block write-lock (8× 8 KByte, 2× 32 KByte, 30× 64 KByte) with volatile/non-volatile lock-down for secure boot partitioning |
| Write-Suspend Capability | Allows host to pause ongoing erase/program and service another memory region-enables real-time interrupt handling during updates |
| Security ID with OTP Lock | 2 KByte dedicated space with factory-unique 64-bit ID and user-programmable segment, permanently lockable to prevent cloning or tampering |
| Deep Power-Down Mode | 2.5 μA typical current draw with instant wake-up-extends battery life in always-on edge devices without sacrificing availability |
Applications
| Secure Boot Loader Storage | Firmware Over-the-Air (FOTA) Update Module |
|---|---|
Use Scenario: Storing immutable bootloader code and public key certificates in embedded microcontrollers requiring verified startup. IC Role / Device Role / Timing Role: Non-volatile storage for first-stage boot code and cryptographic keys; accessed during cold reset before main CPU initialization. Use Value: Hardware-level write protection (WP# + BPR lock-down) prevents unauthorized modification; 100-year retention ensures long-term reliability in unattended deployments. | Use Scenario: Hosting dual firmware images and delta patches in connected medical or industrial gateways. IC Role / Device Role / Timing Role: Dual-bank flash storage enabling atomic firmware swaps; supports background download while running legacy image. Use Value: Write-suspend allows concurrent patch application and real-time sensor logging; 104 MHz burst read accelerates image validation and decompression. |
| Industrial HMI Configuration Memory | Edge AI Model Parameter Storage |
Use Scenario: Retaining calibrated display settings, language packs, and user preferences in factory-floor HMIs with no backup battery. IC Role / Device Role / Timing Role: Persistent configuration store accessed on GUI initialization and during runtime parameter changes. Use Value: 1.8 V single-supply operation eliminates level-shifter components; 100,000-cycle endurance supports frequent UI customization in maintenance workflows. | Use Scenario: Storing quantized neural network weights and inference metadata in low-power edge inference nodes. IC Role / Device Role / Timing Role: Read-optimized non-volatile memory for model parameters loaded once per inference session. Use Value: 104 MHz SQI x4 interface delivers >400 MB/s effective bandwidth-minimizes model load latency and improves inference pipeline throughput. |
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, 1.7–2.0 V supply, 133 MHz max, standard SPI only (no SQI), no Security ID OTP | Lacks quad I/O and hardware security features; suited for cost-sensitive, non-secure SPI-only designs | Select when SQI bandwidth and cryptographic ID are unnecessary and higher voltage margin is acceptable. |
| Cypress S25FL116K0XMFI011 | 16 Mbit, 2.7–3.6 V supply, 80 MHz max, supports QPI but not SQI; includes sector protection but no OTP Security ID | Requires 3.3 V interface; lower speed and no factory-unique ID-unsuitable for 1.8 V or secure identity use cases | Choose only if existing 3.3 V platform constraints preclude voltage translation and SQI is not required. |
Compared with W25Q16JVSNIQ and S25FL116K0XMFI011, the SST26WF016BT-104I/CS uniquely combines 1.8 V operation, 104 MHz SQI performance, and factory-programmed OTP Security ID-making it the only option among the three for secure, low-voltage, high-bandwidth embedded firmware storage.
Availability
SST26WF016BT-104I/CS is available at Aetrix Electronics and suitable for industrial HMI systems, medical device firmware updates, and automotive telematics modules requiring stable component supply across extended product lifecycles.
Supply support for SST26WF016BT-104I/CS 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 for industrial, automotive, and consumer applications.
The SST26WF016BT-104I/CS belongs to Microchip's Serial Quad I/O™ (SQI™) flash family, designed specifically for high-reliability, low-voltage embedded systems needing fast, secure, and energy-efficient non-volatile storage.
FAQ
What is the operating voltage range of the SST26WF016BT-104I/CS?
The SST26WF016BT-104I/CS operates within a strict 1.65 V to 1.95 V supply range. This 1.8 V nominal interface eliminates the need for level shifters when paired with modern ultra-low-power MCUs and SoCs. Operation outside this window may cause undefined behavior or failure to execute commands such as WREN or PP. The device draws only 2.5 μA in deep power-down mode, making it ideal for battery-powered applications where voltage regulation headroom is constrained.
Does the SST26WF016BT-104I/CS support both SPI and SQI interfaces?
Yes, the SST26WF016BT-104I/CS supports both interfaces. It defaults to standard SPI mode (SI/SO pins active) after power-up, ensuring backward compatibility. To enable SQI mode, the host must set the IOC bit in the Configuration Register to '1' and issue the EQIO command. In SQI mode, all four SIO[3:0] pins operate bidirectionally, delivering up to 416 MB/s effective throughput at 104 MHz-four times faster than SPI x1 mode.
How does hardware write protection work on the SST26WF016BT-104I/CS?
Hardware write protection on the SST26WF016BT-104I/CS is controlled by the WP# pin in conjunction with the WPEN and IOC bits. When IOC = 0 and WPEN = 1, pulling WP# low disables writes to the Block-Protection and Configuration registers. The SST26WF016BT-104I/CS ships with WPEN = 0 by default, so WP# is inactive until explicitly enabled. This design prevents accidental lockout during board bring-up while allowing robust protection in final production firmware.
What is the purpose of the Security ID feature in the SST26WF016BT-104I/CS?
The SST26WF016BT-104I/CS includes a 2 KByte Security ID (Sec ID) area comprising a factory-programmed 64-bit unique identifier and a user-programmable segment. The factory ID is one-time programmable and cannot be altered, enabling device authentication and anti-cloning. Users can program the remaining space with keys or certificates and permanently lock it using the LSID command-ensuring cryptographic assets remain tamper-proof throughout the device's lifetime.
Can the SST26WF016BT-104I/CS suspend an ongoing erase or program operation?
Yes, the SST26WF016BT-104I/CS supports write-suspend via the WRSU command. When issued during an erase or program cycle, it pauses the operation and places the device in a ready state-allowing immediate access to other memory regions. The suspended operation resumes upon issuing WRRE. This capability is critical for real-time systems where firmware updates must not block time-critical tasks like sensor sampling or motor control loops.
SST26WF016BT-104I/CS Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Microchip Technology
- Series:
- SST26 SQI®
- Package/Case:
- 8-UFBGA, CSPBGA
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- 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:
- 1.65V ~ 1.95V
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-CSP
SST26WF016BT-104I/CS FAQ
1.How can I place an order for SST26WF016BT-104I/CS through Aetrix?
Please submit a Request for Quotation (RFQ) for SST26WF016BT-104I/CS 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 SST26WF016BT-104I/CS reliable?
The price and inventory of SST26WF016BT-104I/CS are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SST26WF016BT-104I/CS is usually 5 days.
3.What payment methods are accepted for SST26WF016BT-104I/CS?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SST26WF016BT-104I/CS transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SST26WF016BT-104I/CS?
SST26WF016BT-104I/CS orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SST26WF016BT-104I/CS 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 SST26WF016BT-104I/CS?
For technical support, including SST26WF016BT-104I/CS datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SST26WF016BT-104I/CS requirements.
6.How does Aetrix verify that SST26WF016BT-104I/CS is sourced from the original manufacturer or authorized distributors?
All SST26WF016BT-104I/CS 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 SST26WF016BT-104I/CS meets industry standards.
7.What is the process for return or replacement of SST26WF016BT-104I/CS?
All SST26WF016BT-104I/CS units undergo pre-shipment inspection (PSI). If there is an issue with SST26WF016BT-104I/CS, 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 SST26WF016BT-104I/CS part is unused and in its original packaging.
Return procedure for SST26WF016BT-104I/CS:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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