25AA020AT-I/MNY

Product Overview

Category: Integrated Circuit
Use: Non-volatile memory storage
Characteristics: Small form factor, low power consumption
Package: 8-lead SOIC, 8-lead TSSOP
Essence: Provides non-volatile storage for various applications
Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

• Memory Size: 2Kbit (256 x 8)
• Interface: SPI
• Voltage Range: 1.8V to 5.5V
• Operating Temperature: -40°C to 85°C
• Data Retention: 100 years
• Endurance: 1,000,000 write cycles

Detailed Pin Configuration

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

Functional Features

• Low-power CMOS technology
• Sequential read operation
• Hardware and software protection of memory
• Flexible write protection
• Self-timed erase and write cycles

Advantages and Disadvantages

Advantages: - Low power consumption - Small form factor - High endurance - Wide voltage range support

Disadvantages: - Limited storage capacity - Relatively slower read/write speeds compared to other memory types

Working Principles

The 25AA020AT-I/MNY utilizes a Serial Peripheral Interface (SPI) for communication with the host microcontroller. It stores data in non-volatile memory cells, allowing retention of information even when power is removed.

Detailed Application Field Plans

• Industrial automation: storing configuration parameters and event logs
• Consumer electronics: firmware storage for small devices
• Automotive: storing calibration data and error logs in electronic control units

Detailed and Complete Alternative Models

1. 25LC020A-I/SN

   • Similar specifications and pin configuration
   • Different package type (8-lead PDIP)

2. AT25DF021A-SSH-T

   • Higher capacity (2Mbit)
   • Same SPI interface
   • Different voltage range (2.7V to 3.6V)

In conclusion, the 25AA020AT-I/MNY is a versatile non-volatile memory solution suitable for various applications requiring small form factor and low power consumption. Its SPI interface, along with its functional features and wide voltage range, make it an ideal choice for embedded systems and portable devices.

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