AT45DB011D-SH-T

Product Overview

• Category: Integrated Circuit
• Use: Data Storage
• Characteristics: Non-volatile, Serial Interface, Low Power Consumption
• Package: 8-pin SOIC (Small Outline Integrated Circuit)
• Essence: Flash Memory
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Memory Size: 1 Megabit (128 Kilobytes)
• Interface: Serial Peripheral Interface (SPI)
• Operating Voltage: 2.7V to 3.6V
• Operating Temperature: -40°C to +85°C
• Data Retention: 20 years
• Program/Erase Cycles: 10,000 cycles

Pin Configuration

The AT45DB011D-SH-T has the following pin configuration:

1. Chip Select (/CS)
2. Output Enable (/OE)
3. Write Protect (/WP)
4. Serial Clock (SCK)
5. Serial Data Input (SI)
6. Serial Data Output (SO)
7. Ground (GND)
8. Power Supply (VCC)

Functional Features

• Non-volatile storage: The AT45DB011D-SH-T retains data even when power is disconnected.
• Serial Interface: It uses the SPI protocol for communication with a microcontroller or other devices.
• Low Power Consumption: The device operates at low power levels, making it suitable for battery-powered applications.

Advantages and Disadvantages

Advantages

• Compact package size allows for space-efficient designs.
• High data retention ensures long-term reliability.
• Fast data transfer rates over the serial interface.
• Low power consumption extends battery life in portable devices.

Disadvantages

• Limited memory capacity compared to larger flash memory chips.
• Limited program/erase cycles may restrict certain applications.
• Requires an external microcontroller or host device for data access.

Working Principles

The AT45DB011D-SH-T is based on flash memory technology. It stores data in a series of memory cells that can be electrically programmed and erased. The serial interface allows for easy integration with microcontrollers, enabling read and write operations. The chip select, output enable, and write protect pins control the device's functionality.

Detailed Application Field Plans

The AT45DB011D-SH-T is commonly used in various applications, including:

1. Consumer Electronics: Used for firmware storage in smartphones, tablets, and digital cameras.
2. Industrial Automation: Provides non-volatile storage for programmable logic controllers (PLCs) and industrial control systems.
3. Automotive Systems: Stores configuration data and firmware in automotive electronics, such as infotainment systems and engine control units.
4. Medical Devices: Used for data logging and firmware storage in medical equipment like patient monitors and diagnostic devices.

Alternative Models

If the AT45DB011D-SH-T does not meet specific requirements, alternative models with similar features include:

1. AT45DB021D-SH-T: 2 Megabit (256 Kilobytes) memory size.
2. AT45DB041D-SH-T: 4 Megabit (512 Kilobytes) memory size.
3. AT45DB081D-SH-T: 8 Megabit (1 Megabyte) memory size.

These alternatives provide increased memory capacity while maintaining compatibility with the same pin configuration and functional features.

In conclusion, the AT45DB011D-SH-T is a compact flash memory chip with a serial interface, suitable for various applications requiring non-volatile data storage. Its low power consumption and high data retention make it a reliable choice for battery-powered devices.