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W25Q256JWFIQ

Name: W25Q256JWFIQ
Rating: 4.7 (12 reviews)

IC FLASH 256MBIT SPI/QUAD 16SOIC

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資料表 W25Q256JWFIQ DataSheet
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規格

Series	SpiFlash®
Part Status	Active
Base Product Number	W25Q256
DigiKey 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	5ms
Voltage - Supply	1.7V ~ 1.95V
Operating Temperature	-40°C ~ 85°C (TA)
Mounting Type	Surface Mount
Package	16-SOIC (0.295", 7.50mm Width)
Supplier Device Package	16-SOIC
Packaging	Tray
Access Time	6 ns

概述

Description

The W25Q256JWFIQ is a high-performance serial NOR flash memory chip manufactured by Winbond. It features a storage capacity of 256 megabits (32 megabytes) and utilizes a quad SPI (QSPI) interface, allowing for faster data transfer rates compared to standard SPI. The chip operates on a supply voltage range of 2.7V to 3.6V and supports a wide range of applications, including embedded systems, consumer electronics, and industrial devices.
Key features include support for various memory modes, including dual and quad I/O modes, which enhance read and programming speeds. It also includes features like a deep power-down mode for energy efficiency and a unique ID for easy identification in multi-chip systems. The W25Q256JWFIQ is designed for high reliability and endurance, making it suitable for a variety of applications that require non-volatile memory.

Features

The W25Q256JWFIQ is a serial NOR flash memory chip from Winbond, featuring a 256 Mbit (32 MB) storage capacity. Key features include:
1. Interface: Supports SPI (Serial Peripheral Interface) and QSPI (Quad SPI) protocols, allowing high-speed data transfer.
2. Performance: Offers high read speeds up to 104 MHz in QSPI mode, with fast random access times.
3. Data Retention: Provides a data retention period of up to 20 years, ensuring reliability.
4. Endurance: Supports a program/erase cycle endurance of up to 100,000 cycles.
5. Power Supply: Operates on a wide voltage range (2.7V to 3.6V) for flexibility in various applications.
6. Package Options: Available in multiple package types, including SOIC-8 and WSON, facilitating integration into different designs.
7. Security Features: Includes features like a 64-bit unique ID and hardware write protection to enhance data security.
These attributes make the W25Q256JWFIQ suitable for a variety of applications, including consumer electronics, automotive, and industrial systems.

Package

The W25Q256JWFIQ is packaged in a 16-pin SOIC (Small Outline Integrated Circuit) package, specifically a 300mil wide version. It is designed for surface-mount applications and is commonly used for serial NOR flash memory.

Pinout

The W25Q256JWFIQ is a 256Mb serial NOR Flash memory chip from Winbond. It features a total of 16 pins.
The primary functions of these pins include:
1. CS# (Chip Select): Active low signal to select the device.
2. SO (Serial Out): Data output line for serial communication.
3. SI (Serial In): Data input line for serial communication.
4. SCK (Serial Clock): Clock input for synchronizing data transfer.
5. WP# (Write Protect): Active low to protect the device from write operations.
6. HOLD#: Active low to pause data transmission without deselecting the chip.
7. VCC: Power supply pin.
8. GND: Ground pin.
The remaining pins are typically for additional functionalities or reserved. The W25Q256JWFIQ supports various modes of operation, including Quad SPI, allowing for high-speed data transfer.

Manufacturer

The W25Q256JWFIQ is manufactured by Winbond Electronics Corporation. Winbond is a semiconductor company specializing in memory solutions, particularly in the areas of NOR Flash memory, DRAM, and various memory-related products. Founded in 1987 and headquartered in Taichung, Taiwan, Winbond serves a diverse range of markets, including consumer electronics, automotive, industrial, and telecommunications. The company is known for its innovative memory technologies and has established a substantial presence in the global semiconductor industry.

Application

The W25Q256JWFIQ is a 256 Mb serial NOR flash memory commonly used in applications such as automotive electronics, industrial automation, consumer electronics, and IoT devices. It provides high-density storage for firmware, configuration data, and code execution. Its features support booting, data logging, and firmware updates in embedded systems, making it suitable for applications requiring reliable non-volatile memory.

Equivalent

The W25Q256JWFIQ chip is a 256Mb (32MB) SPI NOR Flash memory. Equivalent products include:
1. Micron MT25QL256ABA
2. Winbond W25Q256JV
3. Macronix MX25U25635F
4. Adesto AT25DF256D
5. Cypress S25FL256S
These alternatives offer similar specifications in terms of memory capacity and interface compatibility.