AT45DB161-CI

Product Overview

• Category: Integrated Circuit (IC)
• Use: Data Storage
• Characteristics:
  • Non-volatile memory
  • Serial interface
  • Low power consumption
  • High-speed data transfer
• Package: Chip form
• Essence: Flash memory
• Packaging/Quantity: Varies depending on manufacturer

Specifications

• Memory Size: 16 Megabits (2 Megabytes)
• Interface: Serial Peripheral Interface (SPI)
• Operating Voltage: 2.7V to 3.6V
• Operating Temperature: -40°C to +85°C
• Data Retention: Up to 20 years
• Program/Erase Cycles: 10,000 minimum

Pin Configuration

The AT45DB161-CI has a total of 28 pins. The pin configuration is as follows:

1. NC (No Connection)
2. SO (Serial Output)
3. WP (Write Protect)
4. GND (Ground)
5. SI (Serial Input)
6. SCK (Serial Clock)
7. CS (Chip Select)
8. RESET (Reset)
9. VCC (Power Supply)
10. NC
11. NC
12. NC
13. NC
14. NC
15. NC
16. NC
17. NC
18. NC
19. NC
20. NC
21. NC
22. NC
23. NC
24. NC
25. NC
26. NC
27. NC
28. NC

Functional Features

• Dual-interface: Supports both SPI and RapidS serial interface modes.
• Continuous Read Mode: Allows continuous data streaming without interruption.
• Page Erase Capability: Enables erasing of individual memory pages.
• Sector Lockdown: Protects specific sectors from being modified or erased.
• Deep Power-down Mode: Reduces power consumption when the device is not in use.

Advantages and Disadvantages

Advantages: - High-speed data transfer - Low power consumption - Compact chip form factor - Wide operating temperature range - Long data retention period

Disadvantages: - Limited program/erase cycles - Relatively small memory size compared to other flash memory options

Working Principles

The AT45DB161-CI is based on the floating-gate EEPROM technology. It utilizes a combination of electrically isolated gates to store data. The memory cells are organized into pages, which can be individually programmed or erased. The serial interface allows for easy integration with microcontrollers and other digital devices.

Detailed Application Field Plans

The AT45DB161-CI is commonly used in various applications that require non-volatile data storage. Some potential application fields include:

1. Consumer Electronics: Used in digital cameras, MP3 players, and portable gaming devices for storing user data and firmware updates.
2. Industrial Automation: Employed in programmable logic controllers (PLCs) and industrial control systems for data logging and configuration storage.
3. Automotive Systems: Integrated into automotive electronics for storing critical data such as engine parameters, fault codes, and calibration settings.
4. Medical Devices: Utilized in medical equipment for storing patient data, device configurations, and software updates.

Detailed and Complete Alternative Models

1. AT45DB321E-CI: 32 Megabit (4 Megabyte) flash memory with similar features and pin configuration.
2. AT45DB641E-CI: 64 Megabit (8 Megabyte) flash memory with extended capacity.
3. AT25SF041-SSHD-T: 4 Megabit (512 Kilobyte) flash memory with SPI interface.
4. MX25L1606E-M2I-12G: 16 Megabit (2 Megabyte) flash memory with SPI interface and extended temperature range.

These alternative models offer similar functionality and can be considered as substitutes for the AT45DB161-CI depending on specific requirements.

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