W25Q40EWUXAE

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W25Q40EWUXAE

IC FLASH 4MBIT SPI/QUAD 8USON

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Thông số kỹ thuật

Series SpiFlash®
Part Status Obsolete
DigiKey Programmable Not Verified
Memory Type Non-Volatile
Memory Format FLASH
Technology FLASH - NOR
Memory Size 4Mbit
Memory Organization 512K x 8
Memory Interface SPI - Quad I/O, QPI
Clock Frequency 104 MHz
Write Cycle Time - Word, Page 50µs, 3ms
Access Time 7 ns
Voltage - Supply 1.65V ~ 1.95V
Operating Temperature -40°C ~ 105°C (TA)
Mounting Type Surface Mount
Package / Case 8-UFDFN Exposed Pad
Supplier Device Package 8-USON (2x3)
Base Product Number W25Q40

Tổng quan

Description

The W25Q40EWUXAE is a high-performance serial NOR flash memory chip from Winbond, featuring 4 Megabits (512 Kbytes) of storage capacity. It operates using the SPI (Serial Peripheral Interface) protocol, enabling fast data transfer rates, typically up to 104 MHz. This chip supports various commands for reading, writing, and erasing data, making it versatile for embedded applications.
Key features include a wide voltage range (2.7V to 3.6V), low power consumption, and fast access times. It also supports dual and quad output modes, enhancing performance by allowing multiple data lines for simultaneous read/write operations. The W25Q40EWUXAE is commonly used in consumer electronics, automotive applications, industrial systems, and IoT devices, providing reliable and efficient non-volatile storage solutions. Its small package size (often offered in 8-pin SOP or similar) makes it suitable for space-constrained designs. Overall, it is a robust choice for applications requiring compact and reliable memory.

Features

The W25Q40EWUXAE is a 4Mb (512KB x 8) Serial NOR Flash memory from Winbond. It features a single, dual, and quad SPI interface for high-speed data transfer, with a maximum clock frequency of 104 MHz. Key features include:
1. Density: 4 Megabits (512KB).
2. Interface: SPI (Single, Dual, Quad modes).
3. Speed: Supports up to 104 MHz in Quad SPI mode; standard read speed is 50 MHz.
4. Voltage: Operates at 2.7V to 3.6V.
5. Endurance: 100,000 write/erase cycles per sector.
6. Data Retention: 20 years at 85°C.
7. Package Options: Available in 8-pin SOIC, WSON, and other surface-mount packages.
8. Security Features: Supports hardware and software write protection.
9. Low Power Consumption: Designed for low power applications.
This makes it suitable for embedded applications in consumer electronics, IoT devices, and industrial applications, ensuring efficient performance and reliability.

Package

The W25Q40EWUXAE is typically offered in a SOIC-8 (Small Outline Integrated Circuit) package type. This package is suitable for surface mounting and is commonly used in various electronic applications for flash memory.

Pinout

The W25Q40EWUXAE is a serial NOR Flash memory chip with a pin count of 8. It is part of the Winbond W25Q series and has a storage capacity of 4 Megabits (512 Kbytes).
The key functions of the pins are as follows:
1. VCC: Power supply pin.
2. GND: Ground pin.
3. CS# (Chip Select): Active low pin used to select the chip for communication.
4. SO (Serial Output): Data output pin for reading data from the memory.
5. SI (Serial Input): Data input pin for writing data to the memory.
6. SCK (Serial Clock): Clock pin for synchronizing data transfer.
7. WP# (Write Protect): Active low pin to enable or disable write protection.
8. HOLD#: Active low pin used to pause serial communication without resetting the chip.
This chip supports various features such as Quad I/O and has a high-speed interface for efficient data transfer.

Manufacturer

The W25Q40EWUXAE is manufactured by Winbond Electronics Corporation, a Taiwanese company. Winbond specializes in the design and production of memory integrated circuits, including DRAM, SRAM, and Flash memory products. Founded in 1987, the company serves various markets, including consumer electronics, automotive, and industrial applications. Winbond is recognized for its innovation in non-volatile memory technology, particularly in the areas of Serial NOR Flash memory, which is commonly used in embedded systems and storage applications.

Application

The W25Q40EWUXAE is a 4Mbit serial NOR Flash memory primarily used in applications such as embedded systems, consumer electronics, automotive, and industrial devices. It provides storage for firmware, configuration data, and code execution in devices like IoT applications, smart appliances, and medical equipment. Its high-speed SPI interface enables quick data access, making it suitable for applications requiring fast read/erase cycles.

Equivalent

The W25Q40EWUXAE is a 4Mb (512KB x 8) SPI Flash memory chip. Equivalent products include the Winbond W25Q40FVEIG, Micron MT25QL040A, and the Macronix MX25L4006E. These chips offer similar specifications in terms of memory size, interface, and voltage, making them suitable alternatives. Always check the specific datasheets for compatibility.

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