AT25DF161-MH-Y

Product Overview

• Category: Integrated Circuit (IC)
• Use: Non-volatile Serial Flash Memory
• Characteristics:
  • High-density storage
  • Low power consumption
  • Fast read and write operations
  • Wide operating voltage range
• Package: 8-pin SOIC (Small Outline Integrated Circuit)
• Essence: Reliable and efficient non-volatile memory solution
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

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

Pin Configuration

The AT25DF161-MH-Y has the following pin configuration:

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

Functional Features

• High-Speed Read: Supports clock frequencies up to 104 MHz for fast data retrieval.
• Flexible Erase Options: Provides sector and block erase operations for efficient memory management.
• Software Protection: Offers software protection mechanisms to prevent unauthorized access or modification of stored data.
• Deep Power-Down Mode: Reduces power consumption during idle periods.
• Status Register: Allows monitoring of various device status information.

Advantages and Disadvantages

Advantages: - High-density storage capacity - Low power consumption - Fast read and write operations - Wide operating voltage range - Reliable data retention - Flexible erase options

Disadvantages: - Limited memory size (16 Megabits) - Requires external components for proper operation - Relatively higher cost compared to lower-capacity flash memories

Working Principles

The AT25DF161-MH-Y utilizes the Serial Peripheral Interface (SPI) to communicate with a host microcontroller or system. It stores data in non-volatile memory cells, which retain information even when power is removed. The device supports various operations such as reading, writing, erasing, and protecting data. It uses a combination of hardware and software mechanisms to ensure reliable and secure data storage.

Detailed Application Field Plans

The AT25DF161-MH-Y is widely used in applications that require non-volatile memory storage, such as:

1. Consumer Electronics:

   • Set-top boxes
   • Digital cameras
   • Portable media players

2. Industrial Control Systems:

   • Programmable logic controllers (PLCs)
   • Human-machine interfaces (HMIs)
   • Data loggers

3. Automotive Electronics:

   • Infotainment systems
   • Engine control units (ECUs)
   • Advanced driver-assistance systems (ADAS)

4. Communication Devices:

   • Routers
   • Modems
   • Wireless access points

Detailed and Complete Alternative Models

1. AT25SF161: Similar to AT25DF161-MH-Y but with a different package (8-pin SOICN).
2. AT25DL161: Dual-interface version with both SPI and parallel interfaces.
3. MX25L1606E: Competitor model with similar specifications and features.

These alternative models offer similar functionality and can be considered as replacements for the AT25DF161-MH-Y depending on specific requirements and availability.

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