W25R256JVEIN

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W25R256JVEIN

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IC FLASH 256MBIT SPI/QUAD 8WSON

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規格

屬性 價值
Series SpiFlash®
Part Status Active
Base Product Number W25R256
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
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 7 ns

概述

Description

The W25R256JVEIN is a high-performance, 256M-bit serial flash memory chip designed by Winbond Electronics Corporation. It is part of the SpiFlash family and is widely used in applications requiring reliable and efficient data storage solutions. The chip features a Serial Peripheral Interface (SPI) and supports both single and dual I/O modes, offering fast data transfer rates. Key features include a wide voltage range of 1.65V to 3.6V, which makes it versatile for various power supply configurations, and a high-speed clock frequency of up to 104 MHz. The W25R256JVEIN also supports advanced security features such as hardware write protection, software write protection, and block protection to ensure data integrity and security. Additionally, it offers a low power consumption mode, making it suitable for battery-operated devices. With its high endurance and 100,000 program/erase cycles, this flash memory chip is ideal for use in consumer electronics, automotive, industrial applications, and other embedded systems requiring robust data storage capabilities.

Equivalent

The W25R256JVEIN is a 256Mb Serial NOR Flash memory chip. Equivalent products include:
1. Micron: MT25QL256ABA
2. Cypress: S25FL256S
3. Macronix: MX25L25645G
4. ISSI: IS25LP256D
These alternatives offer similar storage capacity, interface, and performance, although detailed specifications should be confirmed to ensure compatibility for specific applications.

Features

The W25R256JVEIN is a high-performance NOR Flash memory chip with a capacity of 256 Megabits (32 Megabytes). It is designed for a wide range of applications and features several key characteristics:
1. Architecture: Supports uniform 4KB sectors, 32KB blocks, and 64KB blocks, allowing flexible data management.
2. Interface: Utilizes a Serial Peripheral Interface (SPI) which simplifies connectivity with microcontrollers and other devices.
3. Speed: Offers high-speed read capabilities up to 104 MHz, optimizing data retrieval times.
4. Voltage: Operates across a wide voltage range of 2.7V to 3.6V, providing flexibility for various power supply scenarios.
5. Endurance: Ensures robust performance with up to 100,000 program/erase cycles per sector.
6. Security: Includes features like hardware and software write protection as well as a 64-bit unique ID for device security.
7. Packaging: Available in multiple package options to suit different design requirements.
These features make the W25R256JVEIN suitable for embedded systems, digital cameras, networking equipment, and other applications needing reliable, non-volatile memory.

Pinout

The W25R256JVEIN is a serial NOR Flash memory device from Winbond. It comes in a 16-pin package. The key functions and pin configurations for this device typically include:
1. Power Supply Pins:
- VCC: Power supply voltage.
- GND: Ground.
2. SPI Interface Pins:
- CS#: Chip Select, used to enable or disable the device.
- SCK: Serial Clock, used to synchronize data transfers.
- SI/IO0: Serial Data Input, also used as IO0 in Quad-SPI mode.
- SO/IO1: Serial Data Output, also used as IO1 in Quad-SPI mode.
3. Additional I/O Pins for Quad-SPI Mode:
- IO2 and IO3: Used for Quad-SPI operations, allowing faster data transfer.
4. Control Pins:
- WP#: Write Protect, used to protect the status register.
- HOLD#/RESET#: Used to pause communication or reset the device.
These pins support standard SPI and Quad-SPI protocols, allowing for efficient data storage and retrieval in various applications. Always refer to the specific datasheet for the most accurate and detailed information.

Manufacturer

The W25R256JVEIN is a flash memory chip manufactured by Winbond Electronics Corporation. Winbond is a Taiwanese company that specializes in the design and production of semiconductor products. Founded in 1987 and headquartered in Taichung, Taiwan, Winbond focuses on providing a wide range of memory solutions, including DRAM and flash memory, for various applications across industrial, automotive, consumer electronics, and communication markets. The company is recognized for its emphasis on innovation, offering products that are tailored to meet the evolving needs of modern technology sectors.

Application

The W25R256JVEIN is a high-performance serial NOR Flash memory used in various applications requiring reliable storage and fast data access. Its application areas include:
1. Consumer Electronics: Used in smartphones, tablets, and wearables for firmware and data storage.
2. Automotive: Utilized in infotainment systems, dashboards, and advanced driver-assistance systems (ADAS).
3. Industrial: Suitable for factory automation, control systems, and smart metering due to its robustness.
4. IoT Devices: Provides reliable memory for smart home devices and sensors.
5. Networking: Supports firmware storage in routers and switches for quick boot-up times.
These applications benefit from its fast read/write speeds, low power consumption, and high endurance.

Package

The W25R256JVEIN is a serial NOR flash memory chip manufactured by Winbond. It comes in a standard 8-pin SOIC (Small Outline Integrated Circuit) package type, which is commonly used for compact and cost-effective memory solutions.

Frequently Asked Questions


Q: What is the memory density and organization of the W25R256JVEIN?
A: It is 256Mbit, organized as 32M x 8 bits, suitable for high-density data storage.


Q: What type of memory interface does this component support?
A: It supports SPI and Quad I/O interfaces for flexible and high-speed data transfer.


Q: What is the maximum clock frequency for read operations?
A: The clock frequency is up to 133 MHz, enabling fast sequential read speeds.


Q: What is the supply voltage range for this device?
A: The operating supply voltage is 2.7V to 3.6V, compatible with standard 3.3V systems.


Q: What is the operating temperature range?
A: It operates from -40°C to 85°C (TA), suitable for industrial environments.


Q: What is the typical write cycle time for a page?
A: The write cycle time is 3ms per page (256 bytes), ensuring efficient programming.


Q: What package does the W25R256JVEIN come in?
A: It is in an 8-WDFN exposed pad package, specifically 8-WSON (8x6mm) for surface mount.


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