AT45DB161B-TC-2.5

Product Overview

Category

AT45DB161B-TC-2.5 belongs to the category of flash memory devices.

Use

This product is primarily used for data storage and retrieval in various electronic devices such as smartphones, tablets, digital cameras, and portable media players.

Characteristics

• Non-volatile: The AT45DB161B-TC-2.5 retains stored data even when power is removed.
• High capacity: It offers a storage capacity of 16 megabits (2 megabytes).
• Fast data transfer: The device supports high-speed data transfer rates, enabling quick access to stored information.
• Low power consumption: It operates efficiently with low power requirements.
• Reliable: The flash memory technology ensures data integrity and durability.

Package

The AT45DB161B-TC-2.5 comes in a compact Thin Small Outline Package (TSOP) form factor.

Essence

The essence of this product lies in its ability to provide reliable and high-capacity data storage in a compact package, making it suitable for a wide range of electronic devices.

Packaging/Quantity

The AT45DB161B-TC-2.5 is typically packaged in reels or trays, with each reel containing a specific quantity of devices. The exact packaging and quantity may vary depending on the manufacturer's specifications.

Specifications

• Memory Capacity: 16 megabits (2 megabytes)
• Interface: Serial Peripheral Interface (SPI)
• Operating Voltage: 2.7V - 3.6V
• Data Transfer Rate: Up to 85 MHz
• Erase/Program Time: 5 ms (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The AT45DB161B-TC-2.5 has a total of 8 pins, each serving a specific function:

1. Chip Select (/CS): Enables communication with the device when set to a low logic level.
2. Serial Clock (SCK): Provides the clock signal for data transfer.
3. Serial Data Input (SI): Transfers data from the microcontroller to the device.
4. Serial Data Output (SO): Transfers data from the device to the microcontroller.
5. Write Protect (/WP): When set to a low logic level, prevents write operations on the memory.
6. Reset (/RESET): Resets the device to its default state when set to a low logic level.
7. VCC: Power supply voltage input.
8. Ground (GND): Common ground reference.

Functional Features

• Page Program: Allows data to be written to the memory in page-sized increments.
• Sector Erase: Erases a specific sector of the memory, enabling efficient data management.
• Continuous Read Mode: Facilitates sequential reading of data from the memory without the need for repeated commands.
• Deep Power-down Mode: Reduces power consumption by disabling most of the device's functions when not in use.
• Status Register: Provides information about the device's operating status and various flags.

Advantages and Disadvantages

Advantages

• High storage capacity for a wide range of applications.
• Fast data transfer rates enable quick access to stored information.
• Low power consumption prolongs battery life in portable devices.
• Reliable and durable flash memory technology ensures data integrity.
• Compact form factor allows for easy integration into various electronic devices.

Disadvantages

• Limited storage capacity compared to higher-end flash memory devices.
• Relatively slower erase/program time compared to some competing products.
• Higher cost per megabyte compared to lower-capacity flash memory options.

Working Principles

The AT45DB161B-TC-2.5 utilizes flash memory technology to store and retrieve data. It consists of multiple memory cells organized into sectors and pages. Data can be written to the memory using the Page Program operation, and specific sectors can be erased using the Sector Erase operation. The device communicates with a microcontroller through the Serial Peripheral Interface (SPI), enabling seamless integration into various electronic systems.

Detailed Application Field Plans

The AT45DB161B-TC-2.5 finds applications in numerous electronic devices that require reliable and high-capacity data storage. Some potential application fields include:

1. Smartphones and tablets: Used for storing user data, applications, and operating system files.
2. Digital cameras: Enables storage of high-resolution photos and videos.
3. Portable media players: Stores music, videos, and other multimedia content.
4. Industrial control systems: Provides non-volatile storage for critical data and firmware updates.
5. Automotive electronics: Used for data logging, firmware storage, and configuration settings.

Detailed and Complete Alternative Models

1. AT45DB321E-SHN-T: Offers higher storage capacity of 32 megabits (4 megabytes) with similar features. 2