AT25128N-10SI-1.8

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Non-volatile Memory
• Characteristics:
  • Low-power CMOS technology
  • High-speed performance
  • Small form factor
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Serial EEPROM (Electrically Erasable Programmable Read-Only Memory)
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Memory Size: 128 Kbits
• Organization: 16,384 x 8 bits
• Supply Voltage: 1.8V
• Interface: SPI (Serial Peripheral Interface)
• Operating Temperature Range: -40°C to +85°C
• Data Retention: 100 years
• Endurance: 1 million write cycles

Detailed Pin Configuration

The AT25128N-10SI-1.8 has a total of 8 pins arranged as follows:

┌───┬───┐ │ 1 │ 8 │ ├───┼───┤ │ 2 │ 7 │ ├───┼───┤ │ 3 │ 6 │ ├───┼───┤ │ 4 │ 5 │ └───┴───┘

Pin Description: 1. Chip Select (CS): Active low input used to enable the device. 2. Serial Clock (SCK): Input for synchronizing data transfer. 3. Serial Data Input (SI): Input for shifting data into the device. 4. Ground (GND): Ground reference for the IC. 5. Serial Data Output (SO): Output for shifting data out of the device. 6. Write Protect (WP): Input used to protect the memory from write operations. 7. Hold (HOLD): Input used to pause serial communication. 8. Power Supply (VCC): Positive power supply for the IC.

Functional Features

• Byte and Page Write Operations: Allows individual byte or multiple bytes to be written at once.
• Sequential Read Operation: Enables continuous reading of data without readdressing.
• Software Protection: Provides a write protection mechanism to prevent accidental modification of stored data.
• High-Speed Performance: Supports clock frequencies up to 20 MHz, ensuring fast data transfer.

Advantages and Disadvantages

Advantages: - Low-power consumption - Compact size - High-speed performance - Long data retention period - Easy integration with microcontrollers

Disadvantages: - Limited storage capacity compared to other memory technologies - Relatively higher cost per bit

Working Principles

The AT25128N-10SI-1.8 is based on EEPROM technology, which allows data to be electrically erased and reprogrammed. It utilizes a floating gate transistor structure to store charge, representing binary data. The device communicates with an external microcontroller through the SPI interface, enabling read and write operations. The low-power CMOS technology ensures efficient operation and reliable data storage.

Detailed Application Field Plans

The AT25128N-10SI-1.8 is widely used in various applications, including but not limited to: - Consumer electronics - Automotive systems - Industrial control systems - Medical devices - Communication equipment

Detailed and Complete Alternative Models

• AT25080B-SSHL-T: 8 Kbit Serial EEPROM, 2.5V to 5.5V supply voltage range, SOIC package.
• AT25256A-10PU-2.7: 256 Kbit Serial EEPROM, 1.8V to 5.5V supply voltage range, DIP package.
• AT25320A-10PI-2.7: 32 Kbit Serial EEPROM, 1.8V to 5.5V supply voltage range, PDIP package.

(Note: The above alternative models are provided for reference and may have different specifications and pin configurations.)

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