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W25R256JVEIN

Name: W25R256JVEIN
Rating: 4.7 (12 reviews)

IC FLASH 256MBIT SPI/QUAD 8WSON

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Mfr.부분 #W25R256JVEIN
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사양

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	8-WDFN Exposed Pad
Supplier Device Package	8-WSON (8x6)
Packaging	Tube
Access Time	7 ns

개요

Description

The W25R256JVEIN is a serial NOR Flash memory chip manufactured by Winbond. It features 256 Megabits (32 Megabytes) of storage capacity and utilizes a SPI (Serial Peripheral Interface) for high-speed data transfer. The device operates at a voltage range of 2.7V to 3.6V and supports a variety of operating frequencies, allowing for fast read, write, and erase cycles.
Key features include:
- Read Speed: Up to 104 MHz, enabling quick data retrieval.
- Write/Erase Endurance: Typically around 100,000 cycles for each sector.
- Data Retention: Up to 20 years, ensuring long-term storage reliability.
- Multiple IO Modes: Supports standard, dual, and quad SPI modes for flexible interfacing.
The W25R256JVEIN is ideal for applications like firmware storage in embedded systems, consumer electronics, and automotive devices, where reliability and speed are crucial. Its compact design and efficient performance make it a popular choice for developers seeking non-volatile memory solutions.

Features

The W25R256JVEIN is a 256 Mb (32 MB) serial NOR Flash memory chip from Winbond. Key features include:
- Interface: Supports SPI (Serial Peripheral Interface) with dual and quad I/O capabilities for faster data transfer.
- Performance: Offers a read speed of up to 104 MHz, allowing efficient data retrieval.
- Memory Organization: Organized as 32M x 8 bits, providing flexibility in data storage.
- Operating Voltage: Compatible with a wide voltage range of 2.7V to 3.6V, making it suitable for battery-operated devices.
- Endurance: It has a program/erase cycle endurance of 100,000 cycles per sector.
- Data Retention: Designed for long-term data retention with a lifespan of up to 20 years at 85°C.
- Packages: Available in various package options, including SOIC and WSON, facilitating integration into different applications.
These features make the W25R256JVEIN ideal for use in embedded systems, consumer electronics, and industrial applications that require reliable and high-performance storage solutions.

Package

The W25R256JVEIN is packaged in a 8-pin SOIC (Small Outline Integrated Circuit) form factor.

Pinout

The W25R256JVEIN is a 256Mb (32MB) SPI NOR Flash memory chip from Winbond. It features a total of 8 pins. The pin functions are as follows:
1. CS# (Chip Select): Active low signal to enable the chip.
2. DO (Data Output): For data output during read operations.
3. DI (Data Input): For data input during write operations.
4. WP# (Write Protect): Active low signal to enable write protection.
5. RESET#: Active low signal to reset the device.
6. CLK (Clock): Serial clock input for timing the communication.
7. GND: Ground connection.
8. VCC: Power supply connection (typically 2.7V to 3.6V).
This chip supports various features including Serial Peripheral Interface (SPI) and Dual/Quad I/O modes for high-speed data transfer.

Manufacturer

The W25R256JVEIN is manufactured by Winbond Electronics Corporation. Founded in 1987, Winbond is a Taiwanese semiconductor company that specializes in memory solutions, including DRAM, Flash memory, and other integrated circuits. The company is known for its focus on providing embedded memory products for various applications, such as consumer electronics, automotive, and industrial markets. Winbond's commitment to innovation and quality has established it as a prominent player in the memory semiconductor industry.

Application

The W25R256JVEIN is a 256Mb (32MB) SPI NOR Flash memory chip, commonly used in applications such as firmware storage, data logging, embedded systems, automotive electronics, IoT devices, and consumer electronics. Its fast read speeds and durability make it suitable for applications requiring reliable, non-volatile memory for code and data storage.

Equivalent

The W25R256JVEIN chip, a 256Mb (32MB) serial NOR flash memory from Winbond, has several equivalents, including the Micron MT25QL256ABA, Cypress S25FL256S, and Spansion S25FL256S. These chips offer similar specifications in terms of capacity, interface (SPI), and performance. Always verify compatibility with your specific application requirements.