SST25WF020A-40I/SN

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SST25WF020A-40I/SN

IC FLASH 2MBIT SPI 40MHZ 8SOIC

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Spezifikationen

Supplier Microchip Technology
Package Tube
Series SST25
ProductStatus Active
MemoryType Non-Volatile
MemoryFormat FLASH
Technology FLASH
MemorySize 2Mb (256K x 8)
MemoryInterface SPI
ClockFrequency 40 MHz
WriteCycleTime-WordPage 3.5ms
Voltage-Supply 1.65V ~ 1.95V
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Surface Mount
Package/Case 8-SOIC (0.154, 3.90mm Width)

Übersicht

Description

SST25WF020A-40I/SN is a 2-Mbit Serial NOR Flash memory from SST (now part of Microchip). It stores firmware or data non-volatile and is wired to a microcontroller via a standard SPI bus.
Key specs
- Capacity: 2 Mbit (256 KB)
- Interface: Serial SPI (MOSI/DI, MISO/DO, SCK, CS)
- Speed: up to 40 MHz
- Supply: 2.7–3.6 V (3.3 V typical)
- Temperature: Industrial range (-40 °C to +85 °C)
- Memory organization: 256-byte page; erase blocks including 4 KB sectors and 32/64 KB blocks; supports chip erase
- Features: Read and Fast Read, Page Program, sector/block erase, Write Enable, status register, hardware write protect, deep power-down
- Packaging: 8-pin SOIC/SSOP (suffix -SN)
Applications
- Boot code and firmware storage for MCUs
- Embedded data storage in industrial/automotive devices
- Simple, low-pin-count non-volatile memory for microcontroller-based systems
For exact electrical characteristics and command set, consult the SST25WF020A datasheet.

Features

SST25WF020A-40I/SN – key features (concise):
- Density: 2 Mbit (256 KB) serial flash memory.
- Interface: SPI Serial (single I/O), standard read/fast read.
- Speed: up to 40 MHz operation.
- Addressing: 3-byte addressing.
- Page Program: up to 256-byte pages.
- Erase: 4 KB sectors; total memory 256 KB; chip erase supported.
- Endurance/Retention: ~100,000 write/erase cycles; data retention ~20 years.
- Power: 2.7–3.6 V supply; industrial temp range -40°C to +85°C.
- Power modes: active and deep power-down (very low current).
- Protection: WP# and HOLD# pins; block protection (BP) options.
- Package: 8-pin, RoHS-compliant (Pb-free); industrial grade.
- Applications: code storage, small embedded systems, data logging.

Package

8-pin SOIC (Small Outline Integrated Circuit) package; industrial temperature range (-40°C to +85°C).

Pinout

- Pin count: 8 pins (8‑pin SOIC package).
- Function: 2 Mbit Serial SPI flash memory (SST25WF020A) used to store firmware/data. Interfaces via 4‑wire SPI (CS, CLK, DI, DO) plus WP# and HOLD# pins, plus Vcc and GND. Supports read, page/program, sector/chip erase; industrial temperature version (-40 to 85°C) and up to ~40 MHz operation.

Manufacturer

Manufacturer: Microchip Technology (the SST25WF020A originated from Silicon Storage Technology, SST, which Microchip acquired).
About the company: Microchip is a global American semiconductor company that designs and manufactures embedded memory, microcontrollers, and analog devices.

Application

General-purpose SPI serial flash for embedded systems. Key applications:
- Firmware storage and boot loader for microcontrollers
- Firmware updates over SPI
- Storage of configuration and calibration data
- Small data logging in consumer electronics, networking gear, and industrial controllers
- Devices operating in extended temperature range (-40°C to 85°C) with industrial-grade reliability

Equivalent

Possible 2-Mbit SPI NOR flash equivalents to SST25WF020A-40I/SN:
- Winbond W25Q020 / W25Q020A
- Macronix MX25L2006E
- Spansion S25FL020A
- Gigadevice GD25Q20B
- ISSI IS25LP020D
- ESMT EN25Q20
Note: verify exact package (8-SOIC), voltage (2.7–3.6 V) and speed grading (e.g., 40–104 MHz) for your design.

Versand

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Versandgebührenreferenz (DHL/FedEx):

DHL: Versandkosten reichen von $25-$45 (0.5kg), mit einer geschätzten Lieferzeit von 2-5 Werktagen.

von FedEx: Versandkosten reichen von $25-$40 (0.5kg), mit einer geschätzten Lieferzeit von 3-7 Werktagen.

UPS: Versandkosten reichen von $25-$45 (0.5kg), mit einer geschätzten Lieferzeit von 3-7 Werktagen.

TNT: Versandkosten reichen von $25-$65 (0.5kg), mit einer geschätzten Lieferzeit von 3-7 Werktagen.

EMS: Versandkosten reichen von $30-$50 (0.5kg), mit einer geschätzten Lieferzeit von 7-15 Werktagen.

Registrierte Luftpost: Versandkosten sind $ 2- $ 4 (0,1 kg), mit einer geschätzten Lieferzeit von 5-20 Werktagen.

Zahlungen

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