W25Q256JWEIQ

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W25Q256JWEIQ

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IC FLASH 256MBIT SPI/QUAD 8WSON

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  • メーカー品番 #W25Q256JWEIQ

  • データシート W25Q256JWEIQ DataSheet

  • 在庫状況4192

365 日間品質保証

7*24 日間の品質保証

90-時間単位のサービス保証

1日間のアフターサービス保証

仕様

属性
Series SpiFlash®
PartStatus Active
BaseProductNumber W25Q256
DigiKeyProgrammable Not Verified
MemoryType Non-Volatile
MemoryFormat FLASH
Technology FLASH - NOR
MemorySize 256Mbit
MemoryOrganization 32M x 8
MemoryInterface SPI - Quad I/O
ClockFrequency 133 MHz
WriteCycleTime-Word,Page 5ms
Voltage-Supply 1.7V ~ 1.95V
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Surface Mount
Package 8-WDFN Exposed Pad
SupplierDevicePackage 8-WSON (8x6)
Packaging Tray
AccessTime 6 ns

概要

Description

The W25Q256JWEIQ is a high-performance, 256 Mbit (32 MByte) serial Flash memory designed by Winbond Electronics. Utilizing the Serial Peripheral Interface (SPI), it offers a compact solution for storing data in embedded systems. The device features uniform 4KB sectors and 64KB blocks, making it highly versatile for different data storage applications. It operates with a single power supply ranging from 2.7V to 3.6V, ensuring compatibility with various systems.
The W25Q256JWEIQ supports standard, dual, and quad SPI modes, enhancing data transfer rates for improved performance. With a 104MHz clock frequency, it achieves fast read and write operations, ideal for applications requiring rapid data access. The device includes advanced security features such as block protection and a one-time programmable (OTP) area for storing sensitive data.
Additional features include a low power consumption mode, high endurance with up to 100,000 program/erase cycles, and data retention of up to 20 years, making it suitable for automotive, industrial, and consumer electronics applications. The package options are compact and lead-free, facilitating easy integration into various designs.

Equivalent

The W25Q256JWEIQ is a 256M-bit serial flash memory chip from Winbond. Equivalent products from other manufacturers include:
1. Micron MT25QL256ABA
2. Macronix MX25L25645G
3. Cypress (Infineon) S25FL256S
4. ISSI IS25LP256D
5. GigaDevice GD25Q256C
These chips offer similar capacity and functionality, suitable for applications in embedded systems and consumer electronics. Always verify specific characteristics and compatibility for your application.

Features

The W25Q256JWEIQ is a 256 Megabit (32 Megabyte) serial flash memory device produced by Winbond. It features a standard Serial Peripheral Interface (SPI) that supports single, dual, or quad I/O for high-performance applications. The device offers fast data transfer rates and high reliability, making it suitable for use in a variety of applications including consumer electronics, industrial devices, and embedded systems.
Key features include:
- A 2.7V to 3.6V operating voltage range.
- High-speed clock frequency up to 133 MHz.
- Uniform 4KB erasable sectors, as well as 32KB and 64KB block erase capabilities.
- Advanced write protection features including a block lock mechanism and individual sector protection.
- Low power consumption with deep power-down mode.
- Supports standard, dual, and quad SPI operation.
- Provides 100,000 program/erase cycles and a data retention period of 20 years.
These features make the W25Q256JWEIQ suitable for applications that require efficient, reliable, and fast memory storage solutions.

Pinout

The W25Q256JWEIQ is a 3.3V Serial NOR Flash Memory device from Winbond. It typically comes in an 8-pin package, although the specific package type can vary. Here's a brief overview of the pin functions:
1. CS# (Chip Select): Enables or disables the device.
2. DO (Data Out): Serial data output.
3. WP# (Write Protect): Used to protect certain memory sectors from being modified.
4. GND (Ground): Ground reference.
5. DI (Data In): Serial data input.
6. CLK (Clock): Serial clock input.
7. HOLD# (Hold): Pauses the serial communication.
8. VCC (Power Supply): Power supply input.
The device is used for storing code in computing applications and provides flexible erase and program capabilities. It supports various interfaces, such as SPI, Dual SPI, and Quad SPI for faster data transmission. The memory capacity is 256 Mbits, making it suitable for various embedded applications requiring non-volatile memory storage.

Manufacturer

The W25Q256JWEIQ is manufactured by Winbond Electronics Corporation. Winbond is a Taiwanese company that specializes in the design and manufacturing of semiconductor products, particularly focusing on memory solutions. It is one of the leading suppliers of Flash memory and DRAM products. The company provides a wide range of memory products, including NOR Flash, NAND Flash, and specialty DRAM, catering to various applications such as consumer electronics, computing, automotive, and industrial markets. Winbond's focus on memory solutions has established it as a key player in the semiconductor industry, known for providing reliable and high-performance memory products.

Application

The W25Q256JWEIQ is a 256M-bit serial flash memory chip commonly used in various applications. Key areas include:
1. Consumer Electronics: Used in devices like TVs, set-top boxes, and IoT gadgets for firmware storage.
2. Computing: Employed in PCs, laptops, and tablets for BIOS storage.
3. Industrial: Utilized in industrial automation systems for data logging and configuration.
4. Automotive: Applied in car infotainment systems and ECU firmware storage.
5. Networking: Used in routers and switches for software and configuration storage.
These applications leverage its high-density storage, fast read/write capabilities, and reliability.

Package

The W25Q256JWEIQ is a 256M-bit serial Flash memory chip manufactured by Winbond. It is offered in a compact SOIC-16 (Small Outline Integrated Circuit) package, making it suitable for space-constrained applications.

Frequently Asked Questions


Q: What is the memory size and organization of the W25Q256JWEIQ?
A: It is a 256Mbit NOR Flash, organized as 32M x 8 bits, suitable for code and data storage.


Q: What is the operating voltage range for this chip?
A: It operates from 1.7V to 1.95V, making it ideal for low-power, battery-powered applications.


Q: What is the maximum clock frequency supported?
A: The device supports a clock frequency up to 133 MHz, enabling fast read and program operations.


Q: Does this Flash support Quad I/O SPI interface?
A: Yes, it features a Quad I/O SPI interface, allowing for higher data transfer rates through four I/O pins.


Q: What is the typical page or word write cycle time?
A: The write cycle time is 5ms per page or word, ensuring efficient programming performance.


Q: What package is this component available in?
A: It comes in an 8-WDFN Exposed Pad package, with the supplier device package size of 8-WSON (8x6 mm).


Q: Which memory technology does this device use?
A: It utilizes FLASH - NOR technology, offering reliable non-volatile storage with fast random access.


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