AT25640-10PC-2.7

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Non-volatile Serial EEPROM Memory
• Characteristics:
  • Low-power CMOS technology
  • High-speed operation
  • Wide voltage range
  • Small package size
• Package: PDIP (Plastic Dual In-line Package)
• Essence: This product is a non-volatile memory chip that can store data even when power is removed.
• Packaging/Quantity: Typically sold in reels or tubes containing multiple units.

Specifications

• Memory Size: 256 kilobits (32 kilobytes)
• Organization: 32,768 words of 8 bits each
• Operating Voltage Range: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Write Time: 5ms (typical)
• Data Retention: 100 years (minimum)

Detailed Pin Configuration

The AT25640-10PC-2.7 has a total of 8 pins arranged as follows:

┌───┬───┐ │1 └─ 8│ NC │2 7│ VCC GND│3 6│ CS DI │4 5│ DO └───────┘

• Pin 1: Not Connected (NC)
• Pin 2: Ground (GND)
• Pin 3: Power Supply Voltage (VCC)
• Pin 4: Data Input (DI)
• Pin 5: Data Output (DO)
• Pin 6: Chip Select (CS)
• Pins 7 and 8: Not Connected (NC)

Functional Features

• Non-volatile memory: The AT25640-10PC-2.7 retains stored data even when power is removed.
• Serial Interface: It uses a simple 3-wire SPI (Serial Peripheral Interface) for communication.
• High-speed operation: The chip allows fast read and write operations.
• Low-power consumption: It operates on low power, making it suitable for battery-powered devices.

Advantages and Disadvantages

Advantages: - Non-volatile memory ensures data retention. - Small package size saves board space. - Wide voltage range allows compatibility with various systems. - High-speed operation enables quick data access.

Disadvantages: - Limited storage capacity compared to larger memory chips. - Requires an external microcontroller or interface circuitry for communication.

Working Principles

The AT25640-10PC-2.7 utilizes EEPROM (Electrically Erasable Programmable Read-Only Memory) technology. It stores data by electrically charging and discharging specific memory cells within the chip. The stored data can be read or modified using the serial interface.

Detailed Application Field Plans

The AT25640-10PC-2.7 is commonly used in various electronic devices that require non-volatile memory for storing configuration settings, calibration data, or user preferences. Some typical application fields include: - Consumer electronics - Automotive systems - Industrial control systems - Medical devices - Communication equipment

Detailed and Complete Alternative Models

• AT25080A-10PU-2.7: 8 kilobit (1 kilobyte) EEPROM memory chip with similar specifications.
• AT25256B-SSHL-T: 256 kilobit (32 kilobytes) EEPROM memory chip with extended temperature range.

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