W25Q256JVEIN

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W25Q256JVEIN

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IC FLASH 256MBIT SPI/QUAD 8WSON

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  • メーカー品番 #W25Q256JVEIN

  • 在庫状況18119

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 値
Series SpiFlash®
Part Status Active
Base Product Number W25Q256
Memory Type Non-Volatile
Memory Format FLASH
Technology FLASH - NOR (SLC)
Memory Size 256Mbit
Memory Organization 32M x 8
Memory Interface SPI - Quad I/O, QPI
Clock Frequency 133 MHz
Write Cycle Time - Word, Page 3ms
Voltage - Supply 2.7V ~ 3.6V
Operating Temperature -40°C ~ 85°C (TA)
Mounting Type Surface Mount
Package / Case 8-WDFN Exposed Pad
Supplier Device Package 8-WSON (8x6)
Packaging Tube
Access Time 6 ns

概要

Description

The W25Q256JVEIN is a high-capacity 256Mb (megabit) serial flash memory chip produced by Winbond. It is designed for use in a wide range of electronic applications, offering a balance of performance, flexibility, and power efficiency. The chip communicates via a Serial Peripheral Interface (SPI), supporting both standard and dual/quad SPI operations for faster data transfer rates.
Key features include a high-speed clock frequency of up to 133 MHz, uniform 4KB sectors for flexibility in data storage, and a low power consumption profile, making it suitable for battery-operated devices. The memory is organized as 32,768 pages of 256 bytes each, with the ability to erase sectors, blocks, or the entire chip, facilitating easy management of data.
The W25Q256JVEIN also includes advanced security features such as block protection, OTP (One-Time Programmable) regions, and a 64-bit unique ID number, enhancing data protection. Its compact form factor and versatile features make it ideal for use in consumer electronics, industrial applications, and computer peripherals.

Equivalent

The W25Q256JVEIN is a 256M-bit (32MB) Serial Flash Memory from Winbond. Equivalent products include:
1. Micron: MT25QU256
2. Cypress (now Infineon Technologies): S25FL256L
3. Macronix: MX25L25645G
4. GigaDevice: GD25Q256
These chips offer similar densities, interfaces, and performance characteristics, making them suitable substitutes in various applications. Always verify pin compatibility and electrical characteristics when choosing an alternative.

Features

The W25Q256JVEIN is a serial NOR Flash memory device from Winbond, featuring a storage capacity of 256 megabits (32 megabytes). It operates with a single 2.7V to 3.6V power supply. The chip supports standard Serial Peripheral Interface (SPI) as well as Dual/Quad SPI for higher performance, with a maximum clock frequency of 133 MHz. This flash memory is organized into 65,536 programmable pages of 256 bytes each, and sectors of 4KB.
Key features include uniform 4KB sectors and 64KB blocks, making it suitable for code shadowing and data storage. The device offers fast read performance with a data transfer rate of up to 532 Mbps in Quad I/O mode. It also includes advanced security features such as hardware and software write protection, block protection, and a 256-byte OTP area for unique device ID or other data.
The W25Q256JVEIN is ideal for applications requiring reliable non-volatile memory, such as consumer electronics, industrial equipment, and embedded systems. Its small form factor makes it suitable for space-constrained designs.

Pinout

The W25Q256JVEIN is a 256M-bit (32MB) Serial Flash memory chip from Winbond. It is part of the W25Q series, which is commonly used for data storage in embedded systems. This chip typically comes in an 8-pin package. The pins are generally configured as follows:
1. CS# (Chip Select): Activates the device when low.
2. DO (Data Out)/SO (Serial Output): Outputs data from the chip.
3. WP# (Write Protect): Can be used to protect the device from write operations.
4. VSS (Ground): Ground reference for the chip.
5. DI (Data In)/SI (Serial Input): Inputs data into the chip.
6. CLK (Clock): Provides the clock signal for the data transfer.
7. HOLD# (Hold): Pauses serial communication when low.
8. VCC (Power Supply): Provides the voltage supply to the chip.
These pins are used for interfacing with microcontrollers or other digital devices to read from or write to the flash memory, making it suitable for various applications requiring non-volatile storage.

Manufacturer

The W25Q256JVEIN is manufactured by Winbond Electronics Corporation. Winbond is a Taiwanese company that specializes in the design, manufacturing, and marketing of semiconductor products, particularly specializing in memory products including DRAM (Dynamic Random-Access Memory) and Flash memory. They are known for producing a range of non-volatile memory solutions, including NOR Flash, which the W25Q256JVEIN is a part of. Winbond serves various markets, including consumer electronics, automotive, industrial, and computer sectors, providing memory solutions that are crucial for storage and data processing tasks.

Application

The W25Q256JVEIN is a 256Mb Serial NOR Flash memory, commonly used in various applications due to its high performance and reliability. Key areas include:
1. Consumer Electronics: Used in devices like digital cameras, televisions, and set-top boxes for firmware and data storage.
2. Industrial Automation: Employed in control systems and machinery for storing operational software.
3. Automotive: Utilized for infotainment systems, GPS, and electronic control units (ECUs).
4. IoT Devices: Supports firmware updates and data logging in smart devices.
5. Networking: Found in routers and switches for configuration and boot code storage.
Its fast read/write capabilities and high endurance make it suitable for devices requiring frequent data access and updates.

Package

The W25Q256JVEIN is a 256 Mbit (32 MB) serial NOR flash memory chip from Winbond. It typically comes in an 8-pin SOIC (SOIC-8) package type, which is a small outline integrated circuit with a 208-mil width. This package is commonly used for its compact size and ease of surface-mounting.

Frequently Asked Questions


Q: What is the maximum clock frequency for this Flash memory?
A: The W25Q256JVEIN supports a clock frequency of up to 133 MHz, enabling high-speed read and program operations.


Q: Can this component operate at 3.3V logic levels?
A: Yes, it operates within a 2.7V to 3.6V supply range, making it fully compatible with standard 3.3V systems.


Q: What memory interfaces does this device support?
A: It supports standard SPI, Dual/Quad I/O SPI, and QPI interfaces for flexible and fast data transfer.


Q: Is this a single-level cell (SLC) or multi-level cell (MLC) Flash?
A: It is a single-level cell (SLC) NOR Flash, offering higher endurance and reliability than MLC counterparts.


Q: What is the typical page program time for this chip?
A: The typical page program time is 3ms, allowing efficient write operations for 256 bytes per page.


Q: Does this part support industrial temperature ranges?
A: Yes, it is rated for an operating temperature range of -40°C to +85°C, suitable for industrial environments.


Q: What is the memory organization of the W25Q256JVEIN?
A: The memory is organized as 32M x 8 bits, providing 256Mbit of non-volatile storage capacity.


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