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Name: S25FL256LAGNFI011
Brand: Cypress Semiconductor Corp
SKU: S25FL256LAGNFI011
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Cypress Semiconductor Corp S25FL256LAGNFI011

Part No.:: S25FL256LAGNFI011

Manufacturer:: Cypress Semiconductor Corp

Package:: 8-WDFN Exposed Pad

Datasheet:: S25FL256LAGNFI011.pdf

Description:: IC FLASH 256MBIT SPI/QUAD 8WSON

In Stock:: 3798

Quantity:: Add To Cart

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S25FL256LAGNFI011 Specifications

Package/Case:
8-WDFN Exposed Pad
Packaging:
Tube,Tube
Series:
FL-L
ProductStatus:
Active
MemoryType:
Non-Volatile
MemoryFormat:
FLASH
Technology:
FLASH - NOR
MemorySize:
256Mb (32M x 8)
MemoryInterface:
SPI - Quad I/O, QPI
ClockFrequency:
133 MHz
WriteCycleTime-WordPage:
-
AccessTime:
-
Voltage-Supply:
2.7V ~ 3.6V
OperatingTemperature:
-40°C ~ 85°C (TA)
MountingType:
Surface Mount

S25FL256LAGNFI011 this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including S25FL256LAGNFI011 price, data-sheet, in-stock availability, technical difficulties. Also. Quickly Enter the access of compare listing to find out replaceable electronic parts. If you want to retrieve comprehensive data for S25FL256LAGNFI011 to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

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S25FL256LAGNFI011 information

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S25FL256LAGNFI011 Typical application Circuitry

S25FL256LAGNFI011

The S25FL256LAGNFI011 is a Flash memory chip from Cypress Semiconductor (now part of Infineon Technologies), designed for high-capacity, high-performance data storage. With a storage capacity of 256 Megabits (Mb), it's part of the FL-L series that utilizes a Serial Peripheral Interface (SPI) for communication, offering fast read speeds and flexible interface options including Single SPI, Dual SPI, and Quad SPI modes for enhanced throughput.

Functionality & Application Scenarios

- Embedded Systems: For storing application code, firmware, and configuration settings.

- Automotive Electronics: Used in infotainment systems, navigation, and advanced driver-assistance systems (ADAS) for firmware and data logging.

- Industrial Control Units: For program storage and data logging in harsh industrial environments.

- Portable Consumer Devices: In gadgets like digital cameras and portable media players for firmware storage.

- IoT Devices: To store firmware updates and operational data in smart home devices, sensors, and gateways.

Key Parameters & Features

- 256Mb Storage Capacity: Large enough to store extensive firmware and application data.

- SPI Interface: Provides quick data transfer with support for Single, Dual, and Quad SPI.

- Write Protection: Offers hardware and software protection features for data integrity.

- High-Speed Read: Enables quick access to stored data, improving overall device performance.

- Broad Operating Temperature Range: Fits applications with a range of environmental circumstances.

Detailed Application Scenario: Firmware Storage in an IoT Gateway

Circuit Connection Detail

Implementing the S25FL256LAGNFI011 in an IoT gateway device provides reliable and fast storage for the operating firmware and data logs.

1. SPI Communication Interface

Establish a connection between the S25FL256LAGNFI011's SPI pins and the IoT gateway's microcontroller. This involves wiring the Serial Clock (SCK), Chip Select (CS), Serial Data Input (SI), and Serial Data Output (SO) pins for Single SPI mode, with additional connections to the Serial Data Output 2 (SO2) and Serial Data Output 3 (SO3) pins if using Quad SPI mode. Ensuring minimal path length and controlled impedance is essential for signal integrity, especially at high data rates.

2. Power Supply Connections

Supply the S25FL256LAGNFI011 VCC pin with a stable 3.3V (or as specified) power source and connect the VSS pin to the system ground. To ensure reliable operation of the Flash memory, decoupling capacitors between the VCC and VSS pins assist filter out power supply noise.

3. Write Protection Configuration

Connect the Write Protect (WP) pin to a GPIO pin on the microcontroller or directly to VCC for permanent write protection. This prevents accidental overwriting or erasure of critical firmware and configuration settings stored in the Flash memory.

4. Preserve functionality

To halt communication with the Flash memory without restarting the current process, you can optionally link the microcontroller's HOLD pin to a different GPIO pin.This feature is useful in systems with shared SPI buses, allowing other SPI devices to communicate without interfering with ongoing Flash operations.

Design Considerations

- Data Security: Implementing both hardware and software protection mechanisms to safeguard sensitive data stored on the Flash memory.

- Power Integrity: Preventing data corruption by guaranteeing a steady power supply to the Flash memory under all operational circumstances.

- Environmental Robustness: Considering the operating environment of the IoT gateway, particularly if it's subjected to extreme temperatures, humidity, or electromagnetic interference.

- Firmware Update Process: Designing a reliable and secure method for updating the gateway's firmware stored on the Flash memory, potentially using secure boot mechanisms to validate firmware integrity before execution.

- SPI Bus Design: Optimizing the PCB layout to minimize cross-talk and signal reflections on the SPI bus, especially when operating in high-speed Quad SPI mode.

Incorporating the S25FL256LAGNFI011 into an IoT gateway not only emphasizes its ability to handle substantial firmware and data storage requirements but also highlights the importance of careful design considerations to ensure data integrity, security, and reliable operation in a wide range of environmental conditions. This approach leverages the Flash memory's capabilities to enhance the performance and functionality of sophisticated IoT applications.

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(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of S25FL256LAGNFI011.

(3)The PartNo is unused and only in the original unpacked packaging.

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