W25Q256JWFIQ

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W25Q256JWFIQ

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IC FLASH 256MBIT SPI/QUAD 16SOIC

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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 16-SOIC (0.295", 7.50mm Width)
Supplier Device Package 16-SOIC
Packaging Tray
Access Time 6 ns

Visão Geral

Description

The W25Q256JWFIQ is a high-performance serial NOR Flash memory chip from Winbond Electronics. It offers a storage capacity of 256 megabits (32 megabytes) and is designed for a wide range of applications, including consumer electronics, industrial systems, and automotive devices. The chip supports the SPI (Serial Peripheral Interface) protocol, which facilitates fast data transfer rates and efficient communication with microcontrollers and other digital devices.
Key features of the W25Q256JWFIQ include a low-power consumption design, high-speed read and write operations, and a wide operating temperature range. It supports standard, dual, and quad SPI modes, enhancing its versatility for different system requirements. The chip also comes with advanced security features such as hardware write protection and security registers to protect data integrity.
Additionally, its compact 8-pin SOIC (Small Outline Integrated Circuit) package makes it suitable for space-constrained applications. Overall, the W25Q256JWFIQ is valued for its reliability, performance, and flexibility, making it a popular choice in modern electronic designs.

Equivalent

The W25Q256JWFIQ is a 256Mb serial NOR flash memory chip produced by Winbond. Equivalent products with similar specifications include the following models:
1. Micron M25Q256 - Offers similar storage and performance characteristics.
2. Cypress S25FL256L - Provides comparable capacity and features.
3. Macronix MX25L256 - Matches in terms of capacity and functionality.
4. Adesto/ON Semiconductor AT25DF256 - Serves as a functional alternative with similar specifications.
These alternatives can differ in features such as voltage and packaging, so verification against project requirements is recommended.

Features

The W25Q256JWFIQ is a 256M-bit (32M-byte) serial flash memory device from Winbond, part of their W25Q series. Key features include:
1. Interface: Supports standard Serial Peripheral Interface (SPI) with additional options for Dual/Quad I/O SPI, providing flexibility in data transfer rates.
2. Density: Offers 256M bits of storage capacity, suitable for applications requiring substantial non-volatile memory.
3. Performance: High-performance read speeds up to 133 MHz in Fast Read mode, enhancing data access efficiency.
4. Power Efficiency: Low power consumption with deep power-down modes and low standby current, making it ideal for battery-operated devices.
5. Endurance and Reliability: Offers a minimum of 100,000 erase/write cycles per sector and data retention of more than 20 years, ensuring long-term reliability.
6. Security: Includes features like individual sector protection, block lock protection, and a write protection pin to safeguard data integrity.
7. Packages: Available in various packages like SOIC, WSON, and others, for flexibility in integration.
These features make it suitable for applications in consumer electronics, industrial systems, and other areas needing reliable, high-capacity flash memory.

Pinout

The W25Q256JWFIQ is a 256 megabit (32 megabyte) serial flash memory chip made by Winbond. It typically comes in an 8-pin SOIC (Small Outline Integrated Circuit) package. Here is a concise overview of its pin functions:
1. CS# (Chip Select): Activates the device when low.
2. DO (Data Out): Serial data output.
3. WP# (Write Protect): Used for hardware write protection.
4. GND: Ground reference.
5. DI (Data In)/IO0: Serial data input/output.
6. CLK (Clock): Serial clock input.
7. HOLD#/IO3: Pauses serial communication.
8. VCC: Power supply.
The chip operates on a single 2.7V to 3.6V power supply and supports a serial peripheral interface (SPI), making it suitable for applications where space and power efficiency are critical, such as in embedded systems.

Manufacturer

The W25Q256JWFIQ is manufactured by Winbond Electronics Corporation. Winbond is a global company headquartered in Taiwan that specializes in the design and production of semiconductor memory solutions. It is known for manufacturing a variety of memory products, including DRAM and Flash memory. Winbond's products are widely used in consumer electronics, automotive, industrial, and communication applications.

Application

The W25Q256JWFIQ is a 256 Mbit serial flash memory chip from Winbond, commonly used in applications requiring reliable and high-density non-volatile storage. Its application areas include:
1. Consumer Electronics: Used in smartphones, tablets, and other portable devices for firmware storage.
2. Automotive Systems: Suited for infotainment systems and advanced driver-assistance systems (ADAS).
3. Industrial Equipment: Applied in industrial automation systems for data logging and firmware updates.
4. Internet of Things (IoT): Utilized in IoT devices for secure data storage and firmware management.
5. Networking Devices: Employed in routers and switches for configuration and operating system storage.
Its advantages include fast read speeds, low power consumption, and wide temperature range support.

Package

The W25Q256JWFIQ is a 256M-bit Serial Flash memory chip produced by Winbond. It comes in an 8-pin WSON (8x6-mm) package type, which is designed for space-efficient applications. This chip supports standard, dual, and quad SPI operations, making it suitable for various embedded systems requiring high-density storage.

Frequently Asked Questions


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


Q: What is the memory organization of this flash chip?
A: It is organized as 32M x 8 bits, providing a total of 256 Mbit (32 MB) of non-volatile storage.


Q: What voltage range does the W25Q256JWFIQ require?
A: It operates with a supply voltage range of 1.7V to 1.95V, suitable for low-power applications.


Q: Is this device compatible with standard SPI or only Quad I/O?
A: It supports both standard SPI and Quad I/O interfaces, offering flexibility for various read and program modes.


Q: What is the typical page write cycle time?
A: The typical write cycle time for a page (256 bytes) is 5 milliseconds, ensuring fast programming.


Q: What is the operating temperature range for this component?
A: It is rated for industrial temperature range from -40°C to +85°C (TA), ensuring reliability in harsh environments.


Q: Does this part support high-speed random access?
A: Yes, it features an access time of 6 ns for read operations, enabling rapid random access to memory locations.


Q: What package options are available for this memory device?
A: It is available in a 16-SOIC package with a 7.50mm width, designed for surface mount assembly.


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