AT25M01-SSHM-B

Product Overview

Category

AT25M01-SSHM-B belongs to the category of Serial EEPROM (Electrically Erasable Programmable Read-Only Memory) chips.

Use

This product is primarily used for non-volatile data storage in various electronic devices such as microcontrollers, computers, and consumer electronics.

Characteristics

• Non-volatile: The data stored in AT25M01-SSHM-B remains intact even when power is removed.
• High endurance: This chip can withstand a large number of read and write cycles.
• Small form factor: The package size of AT25M01-SSHM-B is compact, making it suitable for space-constrained applications.
• Low power consumption: It operates at low power levels, conserving energy in battery-powered devices.

Package

AT25M01-SSHM-B is available in a surface-mount package, which facilitates easy integration onto printed circuit boards (PCBs).

Essence

The essence of AT25M01-SSHM-B lies in its ability to provide reliable and persistent data storage in electronic systems.

Packaging/Quantity

This product is typically packaged in reels or tubes, with each containing a specific quantity of chips. The exact packaging and quantity may vary depending on the manufacturer.

Specifications

• Memory capacity: 1 Megabit (128 Kilobytes)
• Interface: Serial Peripheral Interface (SPI)
• Operating voltage: 2.7V to 5.5V
• Operating temperature range: -40°C to +85°C
• Data retention: Up to 100 years
• Write endurance: Up to 1 million cycles

Detailed Pin Configuration

AT25M01-SSHM-B has a standard 8-pin configuration:

1. Chip Select (/CS): Used to enable or disable the chip for communication.
2. Serial Clock (SCK): Provides the clock signal for data transfer.
3. Serial Data Input (SI): Used to input data into the chip.
4. Serial Data Output (SO): Outputs data from the chip.
5. Write Protect (/WP): When pulled low, prevents write operations.
6. Hold (/HOLD): Pauses ongoing operations without resetting the chip.
7. VCC: Power supply voltage.
8. Ground (GND): Common ground reference.

Functional Features

• Byte-level Read/Write: Allows individual bytes of data to be read from or written to the chip.
• Sector Erase: Enables erasing a specific sector of memory, allowing efficient use of storage space.
• Software Protection: Provides software-based protection mechanisms to prevent unauthorized access to data.
• Hardware Protection: Supports hardware-based write protection to safeguard critical information.
• Fast Read: Offers high-speed data retrieval for quick access to stored information.

Advantages and Disadvantages

Advantages

• Non-volatile memory ensures data integrity even during power loss.
• High endurance allows for frequent read and write operations without degradation.
• Small form factor enables integration in compact electronic devices.
• Low power consumption prolongs battery life in portable applications.

Disadvantages

• Limited storage capacity compared to other memory technologies.
• Relatively slower write speeds compared to volatile memory options.
• Susceptible to electromagnetic interference, requiring proper shielding in sensitive environments.

Working Principles

AT25M01-SSHM-B utilizes EEPROM technology, which employs floating-gate transistors to store and retrieve data. The memory cells consist of transistors that can trap or release electrical charges, representing binary states (0 or 1). These charges determine the stored data, which can be modified through appropriate programming signals.

Detailed Application Field Plans

AT25M01-SSHM-B finds application in various domains, including but not limited to: - Embedded systems - Automotive electronics - Industrial control systems - Smart home devices - Wearable technology

Detailed and Complete Alternative Models

Some alternative models similar to AT25M01-SSHM-B are: - AT25M02-SSHM-B: 2 Megabit Serial EEPROM - AT25M04-SSHM-B: 4 Megabit Serial EEPROM - AT25M08-SSHM-B: 8 Megabit Serial EEPROM - AT25M16-SSHM-B: 16 Megabit Serial EEPROM

These alternatives offer increased storage capacity while maintaining compatibility with the same interface and package.

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