AT25320A-10PU-1.8

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Non-volatile Memory
• Characteristics: High-speed, Low-power, Serial EEPROM
• Package: PDIP (Plastic Dual In-line Package)
• Essence: Stores and retrieves digital information even when power is turned off
• Packaging/Quantity: Tray, 100 pieces per tray

Specifications

• Memory Size: 32 kilobits (4 kilobytes)
• Operating Voltage: 1.8V
• Speed: 10 MHz (Max)
• Interface: SPI (Serial Peripheral Interface)
• Write Endurance: 1 million cycles
• Data Retention: 100 years
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The AT25320A-10PU-1.8 has a total of 8 pins arranged as follows:

┌───┐ CS |1 8| VCC SCK |2 7| HOLD SI |3 6| WP SO |4 5| GND └───┘

• CS: Chip Select (Active Low)
• SCK: Serial Clock Input
• SI: Serial Data Input
• SO: Serial Data Output
• VCC: Power Supply (+1.8V)
• HOLD: Hold Input (Optional)
• WP: Write Protect Input (Optional)
• GND: Ground

Functional Features

• High-speed data transfer using the SPI interface
• Low-power consumption for efficient operation
• Non-volatile memory retains data even without power
• Wide operating temperature range for various environments
• Write protection and hold features for enhanced security

Advantages and Disadvantages

Advantages: - High-speed data transfer enables quick access to stored information - Low-power consumption prolongs battery life in portable devices - Non-volatile memory ensures data integrity during power cycles - Wide operating temperature range allows usage in extreme conditions - Write protection and hold features provide added security for sensitive data

Disadvantages: - Limited storage capacity compared to other memory technologies - Relatively higher cost per kilobit compared to larger memory sizes - Requires an external microcontroller or interface for communication

Working Principles

The AT25320A-10PU-1.8 is a Serial EEPROM that utilizes the SPI interface for communication. It stores digital information using floating-gate transistors, which can trap electrical charges even when power is turned off. The SPI interface allows for high-speed data transfer between the IC and an external microcontroller or host device.

Detailed Application Field Plans

The AT25320A-10PU-1.8 is commonly used in various applications, including but not limited to:

1. Consumer Electronics:

   • Smartphones
   • Tablets
   • Digital Cameras

2. Automotive:

   • Engine Control Units (ECUs)
   • Infotainment Systems
   • Dashboard Displays

3. Industrial Automation:

   • Programmable Logic Controllers (PLCs)
   • Human-Machine Interfaces (HMIs)
   • Data Loggers

4. Medical Devices:

   • Patient Monitoring Systems
   • Portable Diagnostic Equipment
   • Implantable Devices

Detailed and Complete Alternative Models

1. AT25080A-10PU-1.8: 8 kilobits (1 kilobyte) Serial EEPROM, 1.8V, PDIP package.
2. AT25160A-10PU-1.8: 16 kilobits (2 kilobytes) Serial EEPROM, 1.8V, PDIP package.
3. AT25640A-10PU-1.8: 64 kilobits (8 kilobytes) Serial EEPROM, 1.8V, PDIP package.
4. AT25256A-10PU-1.8: 256 kilobits (32 kilobytes) Serial EEPROM, 1.8V, PDIP package.

These alternative models offer different memory sizes to suit specific application requirements while maintaining compatibility with the AT25320A-10PU-1.8 in terms of voltage and package type.

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