W25Q256JWPIM

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W25Q256JWPIM

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IC FLASH 256MBIT SPI/QUAD 8WSON

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Attribut Wert
Series SpiFlash®
Part Status Active
Base Product Number W25Q256
DigiKey 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, QPI, DTR
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 8-WDFN Exposed Pad
Supplier Device Package 8-WSON (6x5)
Packaging Tray
Access Time 6 ns

Übersicht

Description

The W25Q256JWPIM is a high-capacity, serial flash memory chip from Winbond Electronics, part of the W25Q series. It offers 256 megabits (32 megabytes) of storage and is designed for a variety of applications including consumer electronics, industrial systems, and IoT devices. This chip utilizes the SPI (Serial Peripheral Interface) protocol, providing efficient and fast data transfer rates. It features a wide operating voltage range and includes advanced security options such as sector/block protection and hardware write protection to safeguard data integrity.
The W25Q256JWPIM supports dual/quad SPI operation, allowing for faster read and write speeds. It also includes a wide temperature range suitable for various environmental conditions, enhancing its reliability in demanding applications. The chip is designed to operate with low power consumption, making it ideal for battery-powered devices. Its compact form factor and high density make it a suitable choice for applications requiring substantial storage without sacrificing space. Overall, the W25Q256JWPIM combines high performance, flexibility, and robust security features, making it a versatile solution for modern electronic systems.

Equivalent

The W25Q256JWPIM is a 256 Mbit Serial Flash Memory from Winbond. Equivalent products include:
1. Micron MT25QU256ABA
2. Macronix MX25L25645G
3. ISSI IS25LP256D
4. GigaDevice GD25Q256
These alternatives offer similar features like SPI interfaces, comparable storage capacities, and are typically used in embedded systems for code and data storage. Always verify specific parameters and compatibility before substituting.

Features

The W25Q256JWPIM is a 256 Mbit (32 MB) serial flash memory device from Winbond. It features a versatile 3V power supply and operates with a standard Serial Peripheral Interface (SPI), supporting single, dual, and quad I/O operations for enhanced performance. The device boasts a fast read speed of up to 133 MHz and employs advanced security features, including hardware-based write protection, block protection, and a status register to safeguard against data corruption.
The W25Q256JWPIM offers uniform 4KB sectors, 32KB and 64KB blocks, allowing flexible erase and write options. It supports JEDEC standard and high-performance dual/quad SPI operation. The deep power-down mode reduces power consumption, making it suitable for energy-sensitive applications. Designed for reliability, the memory is rated for a minimum of 100,000 erase/write cycles per sector and a data retention period of 20 years. It is available in various packages, including WSON, SOP, and BGA, catering to different design requirements in consumer electronics, industrial, and automotive applications.

Pinout

The W25Q256JWPIM is a 256 Mbit (32 MB) Serial Flash memory from Winbond. It typically features an 8-pin package. The pin functions are as follows:
1. CS# (Chip Select): Activates the device.
2. DO (Data Out): Outputs data from the memory.
3. WP# (Write Protect): Protects certain sectors from write operations.
4. GND (Ground): Ground reference.
5. DI (Data In): Inputs data into the memory.
6. CLK (Clock): Serial clock input for synchronizing data capture.
7. HOLD#/RESET: Can pause communication or reset the device.
8. VCC (Supply Voltage): Provides power to the device.
The W25Q256JWPIM supports standard SPI, Dual SPI, and Quad SPI operations, making it versatile for various applications such as code shadowing, storage, and data logging in embedded systems.

Manufacturer

The W25Q256JWPIM is a product manufactured by Winbond Electronics Corporation. Winbond is a Taiwanese company that specializes in the design and production of semiconductor products. It focuses primarily on memory solutions, including Flash and DRAM products, catering to various applications in the electronics industry. The company is a significant player in the non-volatile memory market, offering solutions that are widely used in consumer electronics, computing, communications, and automotive sectors. Winbond is known for its innovation and technology-driven approach, providing high-quality and reliable memory products to meet the demands of modern electronic devices.

Application

The W25Q256JWPIM is a 256 Mbit serial flash memory chip used in various applications. It is commonly employed in areas such as consumer electronics, where it supports firmware storage in devices like smartphones, tablets, and wearable technology. In industrial and automotive sectors, it is used for data logging, configuration storage, and system updates. Additionally, it finds application in IoT devices for secure boot processes and data storage. Its small form factor and low power requirements make it suitable for embedded systems, while its reliability and fast read/write capabilities are advantageous for performance-critical applications.

Package

The W25Q256JWPIM is a 256M-bit serial Flash memory chip from the Winbond W25Q series. It typically comes in a WSON (Wafer Level Small Outline No-lead) package, which is compact and suitable for space-constrained applications.

Frequently Asked Questions


Q: What is the memory density and organization of the W25Q256JWPIM?
A: It has 256Mbit (256Mb) capacity organized as 32M x 8 bits, suitable for high-density code and data storage.


Q: What is the maximum clock frequency for SPI operations?
A: The device supports a maximum clock frequency of 133 MHz, enabling fast read and write operations for demanding applications.


Q: Does this memory support Quad I/O and QPI interfaces?
A: Yes, it supports SPI with Quad I/O, QPI, and DTR (Double Transfer Rate) modes for enhanced data throughput.


Q: What is the operating voltage range for this component?
A: It operates within a voltage supply range of 1.7V to 1.95V, ideal for low-power embedded designs.


Q: What is the typical write cycle time for a page or word?
A: The typical write cycle time is 5ms per word or page, ensuring efficient programming for non-volatile storage.


Q: What is the access time and packaging type?
A: The access time is 6 ns, and it comes in an 8-WSON (6x5) surface-mount package with exposed pad for thermal dissipation.


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