仕様
| 属性 | 値 |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Active |
| Memory Type | Non-Volatile |
| Memory Format | FLASH |
| Technology | FLASH - NOR |
| Memory Size | 4Mb (512K x 8) |
| Memory Interface | SPI - Quad I/O |
| Clock Frequency | 108 MHz |
| Write Cycle Time - Word Page | 50µs, 2.4ms |
| Voltage - Supply | 2.7V ~ 3.6V |
| Operating Temperature | -40°C ~ 85°C (TC) |
| Mounting Type | Surface Mount |
概要
Description
The AT25SF041B-SSHB-T is a serial Flash memory device from Adesto Technologies, designed for a wide range of applications that require reliable and compact data storage. This component offers a storage capacity of 4 Mbit (512 Kbytes) and operates with a single power supply of 2.3V to 3.6V. It features a standard Serial Peripheral Interface (SPI) and supports dual and quad I/O SPI for faster data transfer rates.
The AT25SF041B is notable for its small form factor, coming in an 8-lead SOIC package, which is ideal for space-constrained designs. It is well-suited for embedded systems, consumer electronics, and industrial control applications. Notable features include low power consumption, fast erase and programming times, as well as high endurance and reliability through its uniform 4KB sectors for data retention.
The device also includes security features like hardware write protection, status register protection, and a lock-down feature to prevent inadvertent writes. Its operating temperature range is from -40°C to +85°C, making it suitable for various environmental conditions.
The AT25SF041B is notable for its small form factor, coming in an 8-lead SOIC package, which is ideal for space-constrained designs. It is well-suited for embedded systems, consumer electronics, and industrial control applications. Notable features include low power consumption, fast erase and programming times, as well as high endurance and reliability through its uniform 4KB sectors for data retention.
The device also includes security features like hardware write protection, status register protection, and a lock-down feature to prevent inadvertent writes. Its operating temperature range is from -40°C to +85°C, making it suitable for various environmental conditions.
Equivalent
The AT25SF041B-SSHB-T is a 4Mb serial NOR Flash memory chip from Adesto Technologies. Equivalent products include:
1. Winbond W25Q40EW series
2. Macronix MX25V4035F series
3. Micron M25P40 series
4. GigaDevice GD25Q40 series
These chips have similar memory capacities, SPI interfaces, and are used for similar applications, but always verify specific features and compatibility before substituting.
1. Winbond W25Q40EW series
2. Macronix MX25V4035F series
3. Micron M25P40 series
4. GigaDevice GD25Q40 series
These chips have similar memory capacities, SPI interfaces, and are used for similar applications, but always verify specific features and compatibility before substituting.
Features
The AT25SF041B-SSHB-T is a 4-Mbit (512K x 8) Serial Flash Memory device featuring advanced memory protection and low-power operation, suitable for a range of applications. Key features include:
1. Memory Architecture: Offers 4 Mbit of storage with an organization of 512K x 8.
2. Interface: Supports a Serial Peripheral Interface (SPI) with modes 0 and 3.
3. Performance: Capable of up to 85 MHz clock frequency for fast read operations.
4. Low Power Consumption: Designed for efficient power usage with low-voltage operation, supporting VCC ranges from 1.65V to 3.6V.
5. Data Protection: Includes features such as block write protection, hardware and software protection, and a write enable latch.
6. Reliability: Offers a minimum of 100,000 program/erase cycles and data retention of up to 20 years.
7. Package: Comes in an 8-lead SOIC (Small Outline Integrated Circuit) package for easy integration.
8. Temperature Range: Operates in a wide temperature range from -40°C to +85°C, making it suitable for various environments.
These features make the AT25SF041B-SSHB-T apt for various consumer, industrial, and communication applications.
1. Memory Architecture: Offers 4 Mbit of storage with an organization of 512K x 8.
2. Interface: Supports a Serial Peripheral Interface (SPI) with modes 0 and 3.
3. Performance: Capable of up to 85 MHz clock frequency for fast read operations.
4. Low Power Consumption: Designed for efficient power usage with low-voltage operation, supporting VCC ranges from 1.65V to 3.6V.
5. Data Protection: Includes features such as block write protection, hardware and software protection, and a write enable latch.
6. Reliability: Offers a minimum of 100,000 program/erase cycles and data retention of up to 20 years.
7. Package: Comes in an 8-lead SOIC (Small Outline Integrated Circuit) package for easy integration.
8. Temperature Range: Operates in a wide temperature range from -40°C to +85°C, making it suitable for various environments.
These features make the AT25SF041B-SSHB-T apt for various consumer, industrial, and communication applications.
Pinout
The AT25SF041B-SSHB-T is a serial Flash memory device manufactured by Adesto Technologies, now part of Dialog Semiconductor. It typically comes in an 8-pin package. The pin functions are as follows:
1. CS (Chip Select): Initiates communication with the device, active low.
2. SO/IO1 (Serial Output/IO1): Used for data output in SPI mode or as IO1 in Dual/Quad-I/O modes.
3. WP/IO2 (Write Protect/IO2): Write protection feature in SPI mode or as IO2 in Dual/Quad-I/O modes.
4. GND (Ground): Common ground reference.
5. SI/IO0 (Serial Input/IO0): Used for data input in SPI mode or as IO0 in Dual/Quad-I/O modes.
6. SCK (Serial Clock): Provides clock signal for the SPI interface.
7. RESET/IO3 (Reset/IO3): Device reset in SPI mode or as IO3 in Dual/Quad-I/O modes.
8. VCC (Power Supply): Provides power to the device.
These pins facilitate communication and control for applications such as data storage, firmware updates, and boot code storage in embedded systems.
1. CS (Chip Select): Initiates communication with the device, active low.
2. SO/IO1 (Serial Output/IO1): Used for data output in SPI mode or as IO1 in Dual/Quad-I/O modes.
3. WP/IO2 (Write Protect/IO2): Write protection feature in SPI mode or as IO2 in Dual/Quad-I/O modes.
4. GND (Ground): Common ground reference.
5. SI/IO0 (Serial Input/IO0): Used for data input in SPI mode or as IO0 in Dual/Quad-I/O modes.
6. SCK (Serial Clock): Provides clock signal for the SPI interface.
7. RESET/IO3 (Reset/IO3): Device reset in SPI mode or as IO3 in Dual/Quad-I/O modes.
8. VCC (Power Supply): Provides power to the device.
These pins facilitate communication and control for applications such as data storage, firmware updates, and boot code storage in embedded systems.
Manufacturer
The AT25SF041B-SSHB-T is manufactured by Adesto Technologies. Adesto Technologies is a company that specializes in non-volatile memory products, offering solutions that include flash memory, resistive RAM, and other memory storage solutions. The company focuses on providing efficient, low-power memory solutions for various applications, including consumer electronics, industrial, medical, and IoT devices. Adesto's products are designed to meet the needs of modern electronic systems that require reliable and energy-efficient memory solutions.
Application
The AT25SF041B-SSHB-T is a 4 Mbit serial flash memory chip used in various applications. It is suitable for use in consumer electronics, industrial systems, and automotive applications where reliable data storage is required. Key application areas include firmware storage, data logging, and code shadowing. It is often used in devices like set-top boxes, network routers, IoT devices, and handheld electronics. Its small form factor and low power consumption make it ideal for portable and battery-operated devices. Additionally, it supports serial interfaces, which are compatible with a wide range of microcontrollers and processors.
Package
The AT25SF041B-SSHB-T is a Serial Flash Memory component in an 8-lead SOIC (Small Outline Integrated Circuit) package. This package type is compact and surface-mountable, suitable for space-constrained applications.
