W25R256JVEIQ

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W25R256JVEIQ

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IC FLASH 256MBIT SPI/QUAD 8WSON

  • FabricanteWinbond Electronics

  • Peça do Fabricante #W25R256JVEIQ

  • Em Estoque3203

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Especificações

Atributo Valor
Series SpiFlash®
Part Status Active
Base Product Number W25R256
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 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 Tray

Visão Geral

Description

The W25R256JVEIQ is a high-performance, low-power Serial NOR Flash memory device produced by Winbond Electronics Corporation. It offers a storage capacity of 256 Mbits (32 Mbytes) and is designed for a wide range of applications including consumer electronics, industrial equipment, and automotive systems. Key features of this device include a Serial Peripheral Interface (SPI) for communication, advanced security features, and a wide operating temperature range.
The W25R256JVEIQ supports fast read and write operations, which makes it suitable for applications requiring high-speed data access and storage. It is also equipped with features like Dual/Quad SPI for increased data throughput and supports standard and dual/quad I/O instruction sets. The device operates at voltages ranging from 2.7V to 3.6V and consumes low power, making it suitable for battery-powered applications.
Additionally, it includes features such as sector or block erase, hardware/software write protection, and a robust endurance cycle to ensure data integrity. This flash memory is housed in a compact, industry-standard package, making it easy to integrate into existing systems.

Equivalent

The W25R256JVEIQ is a high-performance NOR flash memory chip from Winbond. Equivalent products to consider include:
1. Macronix MX25R25635F
2. Micron N25Q256A
3. Cypress CY15B104Q (with similar specs but different technology i.e., FRAM)
4. ISSI IS25WP256D
5. Adesto AT25XE256A
These chips offer similar features like storage capacity, interface, and performance suitable for embedded applications. Always verify specific requirements and compatibility before choosing a replacement.

Features

The W25R256JVEIQ is a 256Mb (megabit) NOR Flash memory device, designed for high-performance, low-power applications. Key features include:
1. High Performance: Offers fast read speeds, supporting up to 104MHz frequency for efficient data access.
2. Low Power Consumption: Designed to operate with reduced power demand, ideal for battery-powered and portable devices.
3. Wide Voltage Range: Operates on an extended voltage range from 2.7V to 3.6V, providing flexibility for different applications.
4. Standard Serial NOR Flash Interface: Utilizes SPI (Serial Peripheral Interface) for easy integration with a variety of systems.
5. Data Retention and Endurance: Provides high data retention capabilities and endurance, ensuring reliability for long-term storage needs.
6. Small Form Factor: Typically comes in compact packages, making it suitable for space-constrained designs.
7. Security Features: Includes write protection and security regions to safeguard data integrity and prevent unauthorized access.
Overall, the W25R256JVEIQ is suitable for applications requiring reliable, fast, and efficient storage solutions, such as consumer electronics, automotive, and industrial systems.

Pinout

The W25R256JVEIQ is a 256M-bit serial NOR flash memory device from Winbond. It typically features an 8-pin package, though the exact pin count may vary depending on the specific package and configuration. The general functions of the pins are:
1. CS# (Chip Select): Activates the device when low.
2. SO (Serial Data Output): Outputs data from the device.
3. WP# (Write Protect): Protects certain sections from being written.
4. VSS (Ground): Connects to ground.
5. SI/IO0 (Serial Data Input/Output 0): Inputs data/commands to the device or outputs data in quad I/O mode.
6. SCK (Serial Clock): Provides the clock for data transfer.
7. HOLD#: Pauses serial communication when low.
8. VCC (Power Supply): Provides the power supply voltage to the device.
This device supports standard, dual, and quad SPI protocols, facilitating high-performance applications requiring reliable and fast data transfer. Always refer to the specific datasheet for detailed pin configurations and functions.

Manufacturer

The W25R256JVEIQ is manufactured by Winbond Electronics Corporation. Winbond is a Taiwanese company that specializes in the design and production of semiconductors. It is well-known for its memory products, including NOR Flash, NAND Flash, and DRAM. Winbond serves various markets such as consumer electronics, automotive, industrial, and communication sectors. The company's products are widely used in devices like computers, smartphones, and automotive electronics. Winbond focuses on delivering high-performance and reliable memory solutions tailored to meet the needs of a diverse array of applications.

Application

The W25R256JVEIQ is a 256Mb serial NOR flash memory device suitable for various applications. Key applications include:
1. Consumer Electronics: Used in devices like smart TVs, set-top boxes, and digital cameras for firmware storage.
2. Automotive: Supports infotainment systems, dashboards, and advanced driver-assistance systems (ADAS) due to its reliability and fast read speeds.
3. Industrial: Employed in industrial automation and control systems for data logging and program storage.
4. Networking: Utilized in routers and switches for firmware and configuration data storage.
5. IoT Devices: Provides secure and efficient storage for Internet of Things devices, enabling quick boot times and reliable data retention.

Package

The W25R256JVEIQ is a flash memory chip from Winbond, and it typically comes in a WSON (Wafer Level Small Outline No-Lead) package type. This package is designed for high-density storage applications, providing a compact and efficient form factor ideal for modern electronic devices.

Frequently Asked Questions


Q: What is the maximum clock frequency supported by the W25R256JVEIQ for SPI operations?
A: The device supports a clock frequency of up to 133 MHz, enabling high-speed read and write operations.


Q: Is this memory component compatible with Quad I/O SPI interfaces?
A: Yes, the W25R256JVEIQ features a SPI - Quad I/O memory interface for enhanced data throughput.


Q: What is the typical write cycle time for a page or word?
A: The write cycle time is 3ms for a word or page, ensuring efficient programming in non-volatile storage applications.


Q: What is the operating temperature range for this FLASH memory?
A: It operates reliably from -40°C to 85°C (TA), making it suitable for industrial-grade applications.


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


Q: Does the W25R256JVEIQ support surface mount assembly?
A: Yes, it uses surface mount technology and comes in an 8-WDFN exposed pad package (8-WSON 8x6mm).


Q: What supply voltage range is required for this component?
A: The device operates within a supply voltage range of 2.7V to 3.6V, compatible with standard logic levels.


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