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Microchip Technology SST25VF016B-75-4I-QAF
- Part No.:
- SST25VF016B-75-4I-QAF
- Manufacturer:
- Microchip Technology
- Category:
- Memory
- Package:
- 8-WDFN Exposed Pad
- Datasheet:
-
SST25VF016B-75-4I-QAF.pdf
- Description:
- IC FLASH 16MBIT SPI 80MHZ 8WSON
- Quantity:
- Payment:
- Shipping:
Inventory:4,753
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Product details
Overview
SST25VF016B-75-4I-QAF from Microchip Technology is a 16 Mbit SPI serial flash memory IC with SuperFlash technology, supporting 2.7–3.6 V single-supply operation, 80 MHz high-speed read (via 0BH command), and flexible erase granularity (4 KB sectors / 32 KB & 64 KB blocks). It serves as nonvolatile program/data storage in microcontroller boot loaders, firmware update buffers, and industrial HMI displays.
For engineers reviewing the SST25VF016B-75-4I-QAF datasheet, SST25VF016B-75-4I-QAF pinout, SST25VF016B-75-4I-QAF application, or SST25VF016B-75-4I-QAF equivalent, key selection criteria include SPI Mode 0/3 compatibility, industrial temperature range (–40°C to +85°C), WSON-8 package footprint, hardware busy detection via SO pin during AAI programming, and software block protection using BP3–BP0 bits.
Technical Context
The SST25VF016B-75-4I-QAF implements a four-wire SPI interface (SCK, SI, SO, CE#) with dual-mode clocking support (Mode 0 and Mode 3), enabling interoperability with diverse host controllers without protocol translation. Its internal SuperFlash architecture uses split-gate cells and thick-oxide tunneling injectors to achieve 100,000 program/erase cycles and >100 years data retention - exceeding standard NOR flash reliability metrics.
It supports three concurrent erase granularities (4 KB sector, 32 KB block, 64 KB block) and two programming modes: standard byte-program (7 µs typical) and Auto Address Increment (AAI) word-program for accelerated bulk writes. End-of-write detection is available via software polling of BUSY bit or hardware RY/BY# status output on SO pin when enabled by EBSY (70H) command.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Density | 16 Mbit (2 MB), organized as uniform 4 KByte erasable sectors |
| Supply Voltage | 2.7–3.6 V - enables direct integration with 3.3 V logic systems without level-shifting |
| Max Clock Frequency | 80 MHz - supports high-throughput firmware reads using High-Speed Read (0BH) instruction |
| Write Endurance | 100,000 cycles (typical) - suitable for field-updatable firmware with frequent revision cycles |
| Data Retention | >100 years - ensures long-term integrity of calibration data and configuration parameters |
| Active Read Current | 10 mA (typical at 80 MHz) - balances speed and power in battery-backed or energy-constrained designs |
| Standby Current | 5 µA (typical) - minimizes quiescent draw during system sleep states |
Pinout & Package
Package: 8-contact WSON (6 mm × 5 mm, QAF suffix), RoHS-compliant, moisture-sensitive level 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| CE# | Chip Enable | Active-low device select; must remain low throughout command sequence; high-to-low transition initiates instruction latch |
| SO | Serial Data Output / RY/BY# | Primary data output; reconfigurable as hardware busy indicator during AAI mode when EBSY (70H) is issued |
| WP# | Write Protect | Enables lock-down of Block-Protection bits (BP3–BP0) via BPL bit; low = BPL active, high = BPL disabled |
| HOLD# | Hold Control | Suspends ongoing SPI transaction without deselecting device; requires CE# low and SCK low-state alignment |
| SCK | Serial Clock | Timing reference for all SPI transfers; rising edge latches input (SI), falling edge outputs data (SO) |
| SI | Serial Data Input | Receives opcodes, addresses, and write data; MSB-first, synchronized to SCK rising edge |
| VDD | Power Supply | 2.7–3.6 V core and I/O supply; decoupling capacitor required per datasheet layout guidelines |
| VSS | Ground | Reference return path for all signals and power; must be low-impedance connection to PCB ground plane |
Key Features
| Feature | Design Value |
|---|---|
| SuperFlash Technology | Split-gate cell + thick-oxide injector enables lower program current and faster erase vs. conventional NOR flash |
| Auto Address Increment (AAI) | Reduces total programming time for sequential writes by eliminating address retransmission overhead per word |
| Hardware Busy Detection | SO pin outputs real-time RY/BY# status during AAI programming after EBSY (70H) command - eliminates polling latency |
| Flexible Block Protection | Software-configurable BP3–BP0 bits protect 0% to 100% of memory array in 8 discrete levels, including full-chip lockdown |
| Dual SPI Mode Support | Native compatibility with both Mode 0 (CPOL=0, CPHA=0) and Mode 3 (CPOL=1, CPHA=1) simplifies host controller integration |
Applications
| Industrial PLC Firmware Storage | Medical Device Configuration Memory |
|---|---|
Use Scenario: Stores firmware images and safety-critical configuration tables in programmable logic controllers deployed in factory automation environments with wide ambient temperature swings. IC Role / Device Role / Timing Role: Nonvolatile code storage with guaranteed data retention over 10+ year product lifecycle and immunity to voltage brownouts during field updates. Use Value: Industrial temperature rating (–40°C to +85°C) and 100,000-cycle endurance ensure reliable operation across decades of scheduled firmware upgrades and parameter tuning. |
Use Scenario: Holds calibrated sensor offsets, user preferences, and regulatory audit logs in portable diagnostic equipment requiring traceable, tamper-resistant memory. IC Role / Device Role / Timing Role: Secure configuration register with software write protection (BP3–BP0 + BPL) preventing accidental or malicious overwrite of calibration data. Use Value: Block-protection lock-down via WP# pin prevents unauthorized modification even if host MCU is compromised - meeting IEC 62304 Class C requirements. |
| Automotive Infotainment Boot Loader | Smart Energy Meter Firmware Buffer |
Use Scenario: Hosts primary bootloader and fallback recovery image in automotive head units where fast, deterministic boot time is mandatory after ignition cycle. IC Role / Device Role / Timing Role: High-speed read capability (80 MHz via 0BH command) reduces boot latency by >40% versus standard 25 MHz SPI flash alternatives. Use Value: 80 MHz High-Speed Read instruction delivers sustained throughput of ~8 MB/s - enabling sub-500 ms firmware validation and decompression. |
Use Scenario: Stores encrypted firmware patches and tariff schedule updates in utility-grade electricity meters operating unattended for 15+ years in outdoor enclosures. IC Role / Device Role / Timing Role: Long-term data retention (>100 years) and low standby current (5 µA) minimize battery drain in backup-powered metering modules. Use Value: Ultra-low quiescent draw extends CR2032 coin-cell life beyond 10 years while maintaining secure firmware update capability during mains failure. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar SPI serial flash applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| Winbond W25Q16JV-IQ | 16 Mbit, 1.8 V or 3.3 V supply, Quad SPI support (x4 I/O), no HOLD#/WP# pins in standard SOIC-8 | Requires Quad SPI host interface; lacks dedicated HOLD# pin for pause-on-demand use cases | Select if higher bandwidth (up to 104 MHz x4) is needed and host supports QSPI; avoid if HOLD# functionality is mandatory |
| Cypress S25FL116K0XMFI011 | 16 Mbit, 2.7–3.6 V, supports Dual/Quad SPI, integrated ECC, 20-year data retention (not 100+) | Includes on-die error correction for extended reliability in harsh EMI environments; lower retention spec | Prefer for mission-critical aerospace or rail applications needing ECC; accept reduced retention guarantee vs. SST25VF016B-75-4I-QAF |
Compared with W25Q16JV-IQ and S25FL116K0XMFI011, the SST25VF016B-75-4I-QAF offers superior data retention (>100 years), native HOLD#/WP# signal routing in WSON-8, and simpler SPI Mode 0/3 compatibility - making it optimal for cost-sensitive industrial and medical designs prioritizing longevity and pin-level control.
Availability
SST25VF016B-75-4I-QAF is available at Aetrix Electronics and suitable for industrial PLC firmware storage, medical device configuration memory, and automotive infotainment boot loaders requiring stable component supply, long-lifecycle assurance, and RoHS-compliant packaging.
Supply support for SST25VF016B-75-4I-QAF 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 delivering microcontrollers, analog, FPGA, and memory solutions with emphasis on reliability, security, and long-term support.
The SST25VF016B-75-4I-QAF belongs to Microchip's legacy Serial Flash product line, designed specifically for cost-effective, high-reliability nonvolatile storage in resource-constrained embedded systems where endurance, retention, and industrial temperature operation are critical.
FAQ
What is the operating temperature range for SST25VF016B-75-4I-QAF?
The SST25VF016B-75-4I-QAF is rated for industrial temperature operation from –40°C to +85°C. This specification is confirmed in the "Temperature Range" section of the DS25044A datasheet and applies to the QAF (WSON-8) package variant. The "I" in the part number explicitly denotes industrial grade, distinguishing it from commercial-grade variants.
Does SST25VF016B-75-4I-QAF support both SPI Mode 0 and Mode 3?
Yes, SST25VF016B-75-4I-QAF natively supports both SPI Mode 0 (CPOL = 0, CPHA = 0) and Mode 3 (CPOL = 1, CPHA = 1), as stated in the "Features" and "Device Operation" sections of the DS25044A datasheet. This dual-mode capability allows seamless integration with a broad range of microcontrollers without requiring clock polarity or phase configuration changes.
What package type does SST25VF016B-75-4I-QAF use?
SST25VF016B-75-4I-QAF uses an 8-contact WSON package measuring 6 mm × 5 mm, identified by the "QAF" suffix. This surface-mount, leadless package is RoHS-compliant and moisture-sensitive level 3. Pin assignments match the layout shown in Figure 2 of DS25044A, with CE#, SO, WP#, VSS, VDD, HOLD#, SCK, and SI in standard order.
How does hardware end-of-write detection work on SST25VF016B-75-4I-QAF?
Hardware end-of-write detection on SST25VF016B-75-4I-QAF reconfigures the SO pin to output real-time RY/BY# status during Auto Address Increment (AAI) programming. This requires issuing the EBSY command (70H) first. Once enabled, SO drives '0' when busy and '1' when ready - eliminating software polling overhead and reducing AAI programming latency.
What is the maximum clock frequency supported by SST25VF016B-75-4I-QAF for read operations?
SST25VF016B-75-4I-QAF supports up to 80 MHz for High-Speed Read operations using the 0BH instruction with a dummy byte, as specified in Table 5 of DS25044A. Standard Read (03H) is limited to 25 MHz. The "75" in the part number denotes 75 ns access time, consistent with 80 MHz timing under proper signal integrity conditions.
SST25VF016B-75-4I-QAF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Microchip Technology
- Series:
- SST25
- Package/Case:
- 8-WDFN Exposed Pad
- Packaging:
- Tube
- 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
- Clock Frequency:
- 80 MHz
- Write Cycle Time - Word, Page:
- 10µs
- 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 (6x5)
SST25VF016B-75-4I-QAF FAQ
1.How can I place an order for SST25VF016B-75-4I-QAF through Aetrix?
Please submit a Request for Quotation (RFQ) for SST25VF016B-75-4I-QAF 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 SST25VF016B-75-4I-QAF reliable?
The price and inventory of SST25VF016B-75-4I-QAF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SST25VF016B-75-4I-QAF is usually 5 days.
3.What payment methods are accepted for SST25VF016B-75-4I-QAF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SST25VF016B-75-4I-QAF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SST25VF016B-75-4I-QAF?
SST25VF016B-75-4I-QAF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SST25VF016B-75-4I-QAF 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 SST25VF016B-75-4I-QAF?
For technical support, including SST25VF016B-75-4I-QAF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SST25VF016B-75-4I-QAF requirements.
6.How does Aetrix verify that SST25VF016B-75-4I-QAF is sourced from the original manufacturer or authorized distributors?
All SST25VF016B-75-4I-QAF 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 SST25VF016B-75-4I-QAF meets industry standards.
7.What is the process for return or replacement of SST25VF016B-75-4I-QAF?
All SST25VF016B-75-4I-QAF units undergo pre-shipment inspection (PSI). If there is an issue with SST25VF016B-75-4I-QAF, 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 SST25VF016B-75-4I-QAF part is unused and in its original packaging.
Return procedure for SST25VF016B-75-4I-QAF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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