사양
| 속성 | 가치 |
| Package / Case | Tube |
| Series | SpiFlash® |
| Part Status | Active |
| Memory Type | Non-Volatile |
| Memory Format | FLASH |
| Technology | FLASH - NOR |
| Memory Size | 256Mb (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 ~ 105°C (TA) |
| Mounting Type | Surface Mount |
개요
Description
The W25Q256JVEJQ is a high-capacity, 256 Mbit (32 MB) Serial NOR Flash memory chip manufactured by Winbond. It is part of the W25Q series, known for its low power consumption and high performance. This flash memory is designed for applications requiring reliable data storage, such as in embedded systems, consumer electronics, and automotive systems.
Key features include a standard Serial Peripheral Interface (SPI) that supports dual and quad I/O operations, enabling faster data transfer rates. It also offers a wide operating voltage range (2.7V to 3.6V) and supports high-speed read operations up to 133 MHz. The chip includes advanced security features like hardware-based write protection and a unique ID for device identification.
The W25Q256JVEJQ is suitable for a variety of applications thanks to its small form factor, making it ideal for space-constrained designs. Its endurance and reliability are enhanced by features like wear leveling and error correction code (ECC), ensuring data integrity over the device's lifespan.
Key features include a standard Serial Peripheral Interface (SPI) that supports dual and quad I/O operations, enabling faster data transfer rates. It also offers a wide operating voltage range (2.7V to 3.6V) and supports high-speed read operations up to 133 MHz. The chip includes advanced security features like hardware-based write protection and a unique ID for device identification.
The W25Q256JVEJQ is suitable for a variety of applications thanks to its small form factor, making it ideal for space-constrained designs. Its endurance and reliability are enhanced by features like wear leveling and error correction code (ECC), ensuring data integrity over the device's lifespan.
Equivalent
The W25Q256JVEJQ is a 256M-bit serial flash memory chip by Winbond. Equivalent products can include:
1. Micron MT25QL256ABA: Another 256M-bit serial NOR flash memory.
2. Cypress/Spansion S25FL256S: A 256M-bit serial NOR flash offering similar features.
3. Macronix MX25L25645G: A 256M-bit serial flash with similar specifications.
4. Adesto/AT25QL256A: A comparable 256M-bit serial NOR flash.
These alternatives offer similar capacities and functionalities for applications where the W25Q256JVEJQ is used.
1. Micron MT25QL256ABA: Another 256M-bit serial NOR flash memory.
2. Cypress/Spansion S25FL256S: A 256M-bit serial NOR flash offering similar features.
3. Macronix MX25L25645G: A 256M-bit serial flash with similar specifications.
4. Adesto/AT25QL256A: A comparable 256M-bit serial NOR flash.
These alternatives offer similar capacities and functionalities for applications where the W25Q256JVEJQ is used.
Features
The W25Q256JVEJQ is a 256Mb (32MB) serial NOR flash memory chip from Winbond, part of their W25Q series. Key features include:
1. High-Speed Performance: Supports a maximum clock frequency of up to 133MHz for fast data transfer.
2. Quad-SPI Interface: Enables the use of up to four data lines for increased throughput.
3. Dual/Quad I/O Instructions: Offers dual and quad input/output for efficient data reading and writing.
4. Power Supply: Operates with a 2.7V-3.6V supply.
5. Page/Block Erase Capability: Supports erase operations at page, sector, block levels, and the entire chip.
6. Security Features: Comes with unique ID for each device, OTP (One-Time Programmable) memory, and hardware/software protection against accidental writes.
7. Wide Temperature Range: Suitable for applications requiring operation in various environmental conditions.
8. Low Power Consumption: Features standby and deep power-down modes for energy efficiency.
9. JEDEC Standard: Complies with JEDEC standards for compatibility and reliability.
10. Package Options: Available in multiple package types, including SOP, WSON, and others, catering to different design needs.
1. High-Speed Performance: Supports a maximum clock frequency of up to 133MHz for fast data transfer.
2. Quad-SPI Interface: Enables the use of up to four data lines for increased throughput.
3. Dual/Quad I/O Instructions: Offers dual and quad input/output for efficient data reading and writing.
4. Power Supply: Operates with a 2.7V-3.6V supply.
5. Page/Block Erase Capability: Supports erase operations at page, sector, block levels, and the entire chip.
6. Security Features: Comes with unique ID for each device, OTP (One-Time Programmable) memory, and hardware/software protection against accidental writes.
7. Wide Temperature Range: Suitable for applications requiring operation in various environmental conditions.
8. Low Power Consumption: Features standby and deep power-down modes for energy efficiency.
9. JEDEC Standard: Complies with JEDEC standards for compatibility and reliability.
10. Package Options: Available in multiple package types, including SOP, WSON, and others, catering to different design needs.
Pinout
The W25Q256JVEJQ is a 256 Mbit (32 MB) serial flash memory chip from Winbond. It typically comes in an 8-pin package. Here is a brief description of its pin functions:
1. CS# (Chip Select): Activates the device when low.
2. DO (Data Out): Serves as Serial Data Output (also known as MISO - Master-In Slave-Out).
3. WP# (Write Protect): Can be used to protect the status register.
4. GND: Ground reference for the power supply.
5. DI (Data In): Serves as Serial Data Input (also known as MOSI - Master-Out Slave-In).
6. CLK (Clock): Provides the timing for serial input/output operations.
7. /HOLD or /RESET: Temporarily stops serial communication without resetting the device.
8. VCC: Power supply input.
This configuration supports standard Serial Peripheral Interface (SPI) protocols for communication and data transfer.
1. CS# (Chip Select): Activates the device when low.
2. DO (Data Out): Serves as Serial Data Output (also known as MISO - Master-In Slave-Out).
3. WP# (Write Protect): Can be used to protect the status register.
4. GND: Ground reference for the power supply.
5. DI (Data In): Serves as Serial Data Input (also known as MOSI - Master-Out Slave-In).
6. CLK (Clock): Provides the timing for serial input/output operations.
7. /HOLD or /RESET: Temporarily stops serial communication without resetting the device.
8. VCC: Power supply input.
This configuration supports standard Serial Peripheral Interface (SPI) protocols for communication and data transfer.
Manufacturer
The W25Q256JVEJQ is manufactured by Winbond Electronics Corporation. Winbond is a Taiwanese semiconductor company that specializes in the design and production of memory products. They are known for their flash memory, particularly NOR flash and DRAM products. The company serves a variety of markets, including automotive, industrial, consumer electronics, and computing. Winbond is noted for its focus on providing reliable, high-performance memory solutions.
Application
The W25Q256JVEJQ is a 256Mb (32MB) serial NOR Flash memory chip manufactured by Winbond. It is commonly used in various applications that require reliable non-volatile data storage. These include:
1. Consumer Electronics: Used in smartphones, tablets, and wearables for firmware storage.
2. Industrial Applications: Employed in automation systems, data logging, and industrial equipment for secure data storage.
3. Automotive Systems: Utilized in advanced driver-assistance systems (ADAS), infotainment, and navigation systems.
4. IoT Devices: Provides storage for IoT gadgets and smart home devices.
5. Networking Equipment: Used in routers and switches for storing configuration data and firmware updates.
Its versatility and reliability make it suitable for a wide range of applications requiring fast read and write capabilities.
1. Consumer Electronics: Used in smartphones, tablets, and wearables for firmware storage.
2. Industrial Applications: Employed in automation systems, data logging, and industrial equipment for secure data storage.
3. Automotive Systems: Utilized in advanced driver-assistance systems (ADAS), infotainment, and navigation systems.
4. IoT Devices: Provides storage for IoT gadgets and smart home devices.
5. Networking Equipment: Used in routers and switches for storing configuration data and firmware updates.
Its versatility and reliability make it suitable for a wide range of applications requiring fast read and write capabilities.
Package
The W25Q256JVEJQ is a serial flash memory chip from Winbond, and it is typically available in a 24-ball TFBGA (Thin Fine-Pitch Ball Grid Array) package, which is compact and suitable for high-density applications.
