W25Q256JWPIQ

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W25Q256JWPIQ

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IC FLASH 256MBIT SPI/QUAD 8WSON

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Especificações

Atributo Valor
Series SpiFlash®
Part Status Active
Base Product Number W25Q256
Digi Key Programmable Not Verified
Memory Type Non-Volatile
Memory Format FLASH
Technology FLASH - NOR
Memory Size 256Mbit
Memory Organization 32M x 8
Memory Interface SPI - Quad I/O
Clock Frequency 133 MHz
Write Cycle Time - Word, Page 5ms
Voltage - Supply 1.7V ~ 1.95V
Operating Temperature -40°C ~ 85°C (TA)
Mounting Type Surface Mount
Package / Case 8-WDFN Exposed Pad
Supplier Device Package 8-WSON (6x5)
Packaging Tray
Access Time 6 ns

Visão Geral

Description

The W25Q256JWPIQ is a high-capacity Serial Flash memory chip manufactured by Winbond Electronics Corporation. It offers 256 megabits (32 megabytes) of storage and is part of the W25Q series, which is designed for a variety of applications requiring reliable and high-performance memory. This chip features a Serial Peripheral Interface (SPI) that supports single, dual, and quad I/O operations, facilitating flexible communication with microcontrollers and other devices.
Key features include a wide operating voltage range (2.7V to 3.6V), a fast read speed of up to 133 MHz, and low power consumption, making it suitable for battery-powered applications. It also includes security features like write protection and a unique ID for secure data storage. The W25Q256JWPIQ is commonly used in consumer electronics, industrial systems, and automotive applications, where robust non-volatile memory is needed. Its small form factor and high endurance make it a versatile choice for developers and engineers working on compact and efficient designs.

Equivalent

The W25Q256JWPIQ is a 256M-bit SPI NOR flash memory chip from Winbond. Equivalent products would typically include similar SPI NOR flash memory chips from other manufacturers like:
1. Micron: MT25QU256
2. Macronix: MX25U25635F
3. Cypress/Infineon: S25FL256L
4. Adesto (Dialog Semiconductor/Renesas): AT25XE256
These alternatives offer comparable features such as memory size, interface, and performance specifications. Always verify pin compatibility and specific application requirements before substituting.

Features

The W25Q256JWPIQ is a 256 Mbit (32 MB) SPI NOR flash memory chip from Winbond. Key features include:
1. Storage Capacity: Offers 256 Mbit or 32 MB of storage.
2. Interface: Utilizes a Serial Peripheral Interface (SPI) for communication.
3. Performance: Fast read speeds, supporting standard/dual/quad I/O modes for enhanced performance.
4. Low Power Consumption: Designed for efficient power usage, suitable for battery-powered devices.
5. Erase/Write Capabilities: Supports sector, block, and chip erase functions, with reliable write/erase endurance.
6. Security: Includes security features like unique ID and multiple protection schemes for data integrity.
7. Operating Voltage: Operates at a wide voltage range, typically 2.7V to 3.6V.
8. Temperature Range: Supports a wide operating temperature range, making it suitable for various environments.
9. Package Options: Available in different package types to accommodate various design needs.
10. Applications: Ideal for use in consumer electronics, industrial applications, and embedded systems requiring reliable non-volatile storage.
These features make the W25Q256JWPIQ a versatile choice for applications needing high-capacity and high-performance flash memory solutions.

Pinout

The W25Q256JWPIQ is a 3V Serial NOR Flash memory chip from Winbond with a capacity of 256 Mbits (32 MB). It typically comes in a 16-pin package, specifically the SOIC-16 form factor. Here are the main functions of its pins:
1. CS# (Chip Select): Activates the device when low.
2. DO (Data Out): Serial data output.
3. WP# (Write Protect): Protects against inadvertent write operations when low.
4. GND: Ground reference.
5. DI (Data In): Serial data input.
6. CLK (Clock): Provides the clock signal for data transfers.
7. HOLD#: Pauses serial communication when low.
8. VCC: Supply voltage.
The other pins are generally not used for basic operations or are reserved for specific functions, depending on the implementation and package variant. Always refer to the manufacturer's datasheet for detailed specifications and pin assignments.

Manufacturer

The W25Q256JWPIQ is manufactured by Winbond Electronics Corporation, a Taiwanese company. Winbond is a leading global supplier specializing in semiconductor memory solutions. It produces a wide range of memory products, including Flash memory and DRAM, which are used in various applications such as consumer electronics, automotive, and industrial systems. The company is known for its expertise in non-volatile memory technologies and focuses on delivering high-quality and reliable memory products to the market.

Application

The W25Q256JWPIQ is a 256Mb (32MB) serial flash memory chip produced by Winbond. Its application areas include consumer electronics, where it's used for firmware storage in devices like smartphones, tablets, and smart TVs. In automotive electronics, it serves functions such as infotainment systems and advanced driver-assistance systems (ADAS). It's also employed in industrial automation for storing system software and configuration data. Additionally, the chip is used in networking equipment, like routers and switches, for maintaining firmware and configuration files. Its high-speed performance and compact form make it suitable for IoT devices, where space and power efficiency are critical.

Package

The W25Q256JWPIQ is a 256M-bit Serial Flash Memory device from Winbond. It comes in a package type known as WSON (Wafer Level Small Outline No-Lead), with dimensions typically around 8x6 mm. This package type is designed for compact, high-density memory solutions suitable for space-constrained applications.

Frequently Asked Questions


Q: What is the maximum clock frequency for the W25Q256JWPIQ?
A: The device supports a maximum clock frequency of 133 MHz, enabling high-speed SPI and Quad I/O data transfers.


Q: Can this NOR Flash operate at a voltage lower than 1.8V?
A: No, it requires a supply voltage in the range of 1.7V to 1.95V. Operation outside this range is not recommended.


Q: Does the W25Q256JWPIQ support Quad SPI interface?
A: Yes, it features a SPI - Quad I/O interface, allowing for higher data throughput compared to standard SPI.


Q: What is the typical page write cycle time for this memory?
A: The write cycle time for a word or page is typically 5ms, ensuring efficient programming operations.


Q: What is the operating temperature range of this component?
A: It operates over an industrial temperature range of -40°C to 85°C (TA), suitable for harsh environments.


Q: What is the memory organization of the W25Q256JWPIQ?
A: It is organized as 32M x 8 bits, providing a total memory density of 256Mbit (32MB).


Q: Is this device available in a tray or tape-and-reel packaging?
A: According to specifications, it is currently provided in Tray packaging for the 8-WSON (6x5) package.


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