AT25DF161-MH-T

Product Overview

Category

AT25DF161-MH-T belongs to the category of Serial Flash Memory.

Use

It is primarily used for storing and retrieving digital information in electronic devices.

Characteristics

• Non-volatile memory: Retains data even when power is turned off.
• Serial interface: Allows for easy integration with microcontrollers and other digital systems.
• High storage capacity: The AT25DF161-MH-T has a capacity of 16 megabits (2 megabytes).
• Low power consumption: Designed to operate efficiently with minimal power requirements.

Package

The AT25DF161-MH-T comes in a compact surface-mount package, making it suitable for space-constrained applications.

Essence

The essence of AT25DF161-MH-T lies in its ability to provide reliable and high-performance non-volatile memory storage in a small form factor.

Packaging/Quantity

This product is typically packaged in reels or tubes, with each containing a specific quantity of AT25DF161-MH-T chips. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Memory Size: 16 megabits (2 megabytes)
• Interface: Serial Peripheral Interface (SPI)
• Operating Voltage: 2.7V - 3.6V
• Operating Temperature Range: -40°C to +85°C
• Data Retention: Up to 20 years
• Erase/Program Cycles: 100,000 cycles

Detailed Pin Configuration

The AT25DF161-MH-T has a total of 8 pins, which are as follows:

1. Chip Select (/CS): Used to enable or disable the device for communication.
2. Serial Clock (SCK): Provides the clock signal for synchronous communication.
3. Serial Data Input (SI): Transfers data from the microcontroller to the memory.
4. Serial Data Output (SO): Transfers data from the memory to the microcontroller.
5. Hold (/HOLD): Suspends ongoing operations without resetting the device.
6. Write Protect (/WP): Protects the memory from accidental write operations.
7. VCC: Power supply voltage input.
8. Ground (GND): Common ground reference.

Functional Features

• High-speed data transfer: The AT25DF161-MH-T supports fast read and write operations, allowing for efficient data handling.
• Sector erase capability: Enables selective erasure of specific memory sectors, enhancing flexibility in data management.
• Software protection features: Provides options to protect certain memory regions from accidental or unauthorized modifications.
• Continuous read mode: Allows for sequential reading of data without the need for repeated commands, optimizing performance.

Advantages and Disadvantages

Advantages

• Compact form factor suitable for space-constrained applications.
• Low power consumption, making it ideal for battery-powered devices.
• High storage capacity for storing large amounts of data.
• Easy integration with microcontrollers and other digital systems.

Disadvantages

• Limited erase/program cycles compared to some other flash memory technologies.
• Relatively higher cost per unit compared to lower-capacity alternatives.

Working Principles

The AT25DF161-MH-T utilizes a Serial Peripheral Interface (SPI) for communication with the host microcontroller. It stores data in non-volatile memory cells that retain information even when power is turned off. The SPI interface allows for high-speed data transfer between the microcontroller and the memory chip.

Detailed Application Field Plans

The AT25DF161-MH-T finds application in various electronic devices, including but not limited to: - Consumer electronics: Smartphones, tablets, digital cameras, and portable media players. - Automotive systems: Infotainment systems, instrument clusters, and advanced driver-assistance systems (ADAS). - Industrial equipment: Programmable logic controllers (PLCs), data loggers, and automation systems. - Medical devices: Patient monitoring systems, diagnostic equipment, and medical imaging devices.

Detailed and Complete Alternative Models

1. AT25DF321-MH-T: A higher-capacity variant with 32 megabits (4 megabytes) of memory.
2. AT25DF641-MH-T: Offers even greater storage capacity with 64 megabits (8 megabytes).
3. AT25DF081A-MH-T: A lower-capacity option with 8 megabits (1 megabyte) of memory.
4. AT25DF256-MH-T: Provides intermediate storage capacity with 256 kilobits (32 kilobytes).

These alternative models offer different memory capacities to suit specific application requirements.

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