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W25Q256JWEIQ

Name: W25Q256JWEIQ
Rating: 4.7 (12 reviews)

IC FLASH 256MBIT SPI/QUAD 8WSON

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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	8-WDFN Exposed Pad
Supplier Device Package	8-WSON (8x6)
Packaging	Tray
Access Time	6 ns

概述

Description

The W25Q256JWEIQ is a 256 Megabit (32 Megabyte) serial NOR Flash memory chip manufactured by Winbond. It features a standard SPI (Serial Peripheral Interface) protocol, enabling efficient communication with microcontrollers and processors. The chip operates at a voltage range of 2.7V to 3.6V, and it offers a high-speed read capability, with fast program and erase times, making it suitable for applications requiring quick data access.
Key features include a 104 MHz clock frequency for fast data transfer, a deep power-down mode for low power consumption, and multiple memory configurations, including a quad-SPI mode for enhanced performance. The device supports a range of commands for reading, writing, and erasing data, and it is commonly used in embedded systems, consumer electronics, and industrial applications where reliable non-volatile storage is essential. The W25Q256JWEIQ is available in a small 8-pin SOIC package, making it space-efficient for various designs.

Features

The W25Q256JVEIQ is a 256Mb (32MB) Serial NOR Flash memory from Winbond. Key features include:
1. Interface: Supports Quad SPI (QSPI) and Dual I/O SPI, enabling high-speed data transfer.
2. Performance: Offers a clock frequency of up to 104 MHz, with fast read speeds of up to 133 MB/s.
3. Memory Architecture: Comprises 32 uniform sectors of 64KB each, facilitating flexible memory management.
4. Endurance: Features up to 100,000 program/erase cycles per sector, enhancing reliability.
5. Data Retention: Ensures data retention of 20 years at 85°C.
6. Programming: Supports multiple programming modes including page program and sector erase.
7. Low Power Consumption: Designed for low power usage, ideal for battery-operated devices.
8. Erase Types: Supports sector, block, and chip erase operations.
9. Security Features: Includes write protection and secure read features to safeguard data.
Ideal for applications in automotive, industrial, and consumer electronics, it balances performance with endurance and reliability.

Package

The W25Q256JWEIQ is packaged in a 16-pin SOIC (Small Outline Integrated Circuit) package with a lead pitch of 1.5mm. It can also be found in other package types like the 8-pin WLCSP (Wafer Level Chip Scale Package) for compact applications.

Pinout

The W25Q256JWEIQ is a 256 Mb (32 MB) serial NOR Flash memory chip manufactured by Winbond. It features a total of 16 pins.
The primary functions of these pins are:
1. VCC (Pin 1): Supply voltage (typically 2.7V to 3.6V).
2. GND (Pin 2): Ground.
3. SCK (Pin 3): Serial clock input.
4. SI (Pin 4): Serial data input.
5. SO (Pin 5): Serial data output.
6. CS# (Pin 6): Chip select (active low).
7. WP# (Pin 7): Write protect (active low).
8. HOLD# (Pin 8): Hold function (active low).
9. NC (Pins 9-16): Not connected.
This chip supports various features, including dual and quad SPI modes, allowing for efficient data transfer rates and programming capabilities. It is widely used in applications such as embedded systems, consumer electronics, and automotive.

Manufacturer

The W25Q256JWEIQ is manufactured by Winbond Electronics Corporation, a Taiwanese semiconductor company. Winbond specializes in the design and production of memory products, including flash memory, DRAM, and other types of integrated circuits. The company is recognized for its expertise in non-volatile memory solutions, particularly Serial NOR Flash memory, which is widely used in various electronic applications such as consumer electronics, automotive systems, and industrial devices. Winbond has established itself as a key player in the memory market, offering a range of products that cater to the needs of different industries.

Application

The W25Q256JWEIQ is a 256 Mb serial NOR flash memory. Its application areas include embedded systems, consumer electronics, automotive, industrial automation, and IoT devices. It is used for firmware storage, data logging, code execution, and configuration storage due to its fast read speeds, high endurance, and low power consumption.

Equivalent

The W25Q256JWEIQ is a 256Mb serial NOR Flash memory chip. Equivalent products include:
1. Micron MT25QU256ABA - 256Mb serial NOR Flash.
2. Winbond W25Q256FV - Similar 256Mb series from Winbond.
3. Adesto AT25DF256D - 256Mb serial Flash memory.
4. Spansion S25FL256S - 256Mb NOR Flash.
Always verify specifications for compatibility in your specific application.