SST26VF040A-104I/SN Microchip Integrated Circuit (Small Outline Packages) In Stock
The SST26VF040A-104I/SN is a 4 Mbit SPI serial Flash memory operating at up to 104 MHz clock frequency with 100,000 write/erase cycle endurance and 100-year data retention, packaged in an 8-pin SOIC for embedded firmware storage applications.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- SST26VF040A-104I/SN Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 4 Mbit (512 KB) capacity with up to 104 MHz SPI clock for fast firmware read and execute-in-place (XIP) operations
- 100,000 write/erase cycle endurance and 100-year minimum data retention for reliable non-volatile storage
- SPI interface with quad-I/O support (QE bit) for up to 4x throughput improvement over standard SPI
- JESD-609 Code e3 (lead-free) in compact 8-pin SOIC package compatible with standard SPI NOR footprints
- Industrial temperature grade (I) supports operation across -40°C to +85°C ambient range
Applications
The SST26VF040A-104I/SN is used to store bootloader firmware, configuration tables, and OTA update payloads for microcontrollers and SoCs in industrial sensors, smart meters, and wireless IoT nodes. Its 104 MHz clock and Quad I/O capability enable fast in-system programming cycles, reducing production test time on high-volume PCB assembly lines. The industrial temperature grade and 100-year data retention make it a reliable choice for outdoor equipment and long-lifecycle embedded applications where non-volatile code storage must remain intact for the product's full service life.
Specifications
| Manufacturer Package Code | SOIC-8 |
| Factory Lead Time | 6Weeks |
| YTEOL | 18 |
| Clock Frequency-Max (fCLK) | 104MHz |
| Data Retention Time-Min | 100 |
| Endurance | 100000 Write/Erase Cycles |
| JESD-30 Code | R-PDSO-G8 |
| JESD-609 Code | e3 |
| Memory Density | 4194304bit |
| Memory IC Type | FLASH |
| Memory Width | 1 |
| Number of Functions | 1 |
| Number of Ports | 1 |
| Number of Words | 4194304words |
| Number of Words Code | 4000000 |
| Operating Mode | SYNCHRONOUS |
| Organization | 4MX1 |
| Output Characteristics | 3-STATE |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP8,.23 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Parallel/Serial | SERIAL |
| Peak Reflow Temperature (Cel) | 260 |
| Programming Voltage | 3V |
| Screening Level | AEC-Q100 |
| Serial Bus Type | SPI |
| Standby Current-Max | 0.00002A |
| Supply Current-Max | 0.025mA |
| Supply Voltage-Max (Vsup) | 3.6V |
| Supply Voltage-Min (Vsup) | 2.7V |
| Supply Voltage-Nom (Vsup) | 3V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Type | NOR TYPE |
| Write Protection | HARDWARE/SOFTWARE |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | 3A991.B.1.A |
| HTS Code | 8542.31.00.01 |
| Country of Origin | Thailand |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for SST26VF040A-104I/SN:
Frequently Asked Questions
How does the 104 MHz clock of the SST26VF040A-104I/SN affect firmware load times compared to a 50 MHz SPI Flash?
At 104 MHz in Quad I/O mode, the SST26VF040A-104I/SN can transfer data at approximately 52 MB/s, versus roughly 25 MB/s for a 50 MHz standard SPI device. For a 512 KB firmware image, this doubles the read bandwidth, reducing cold-boot load time from approximately 20 ms to under 10 ms, which is important for systems requiring fast restart after power interruption.
What endurance and retention specs make the SST26VF040A-104I/SN suitable for OTA firmware update applications?
The SST26VF040A-104I/SN is rated for 100,000 write/erase cycles per sector and guarantees a minimum data retention of 100 years after the last write. For an IoT device receiving monthly OTA firmware updates, this translates to approximately 8,333 years of update cycles before reaching the endurance limit, making flash wear a non-issue for typical product lifetimes.
Which supply voltage and temperature range does the SST26VF040A-104I/SN support for industrial embedded designs?
The SST26VF040A-104I/SN operates from a 2.7 V to 3.6 V supply voltage, compatible with 3.3 V logic systems. Its industrial temperature grade covers -40°C to +85°C, making it suitable for outdoor metering equipment, motor drive control boards, and factory automation hardware that must operate reliably through wide ambient temperature swings without performance degradation.
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