AT24C256-10PU-2.7

Basic Information Overview

Category: Integrated Circuit (IC)

Use: Data storage and retrieval

Characteristics: - Non-volatile memory - High storage capacity (256 kilobits) - Low power consumption - Serial interface - 2.7V to 5.5V operating voltage range

Package: PDIP (Plastic Dual In-line Package)

Essence: EEPROM (Electrically Erasable Programmable Read-Only Memory) IC

Packaging/Quantity: Tray, 100 pieces per tray

Specifications

• Memory Size: 256 kilobits (32 kilobytes)
• Organization: 32K x 8 bits
• Operating Voltage Range: 2.7V to 5.5V
• Standby Current: 1 μA (max)
• Write Current: 3 mA (max)
• Read Current: 400 μA (max)
• Write Time: 5 ms (typical)
• Endurance: 1 million write cycles
• Data Retention: 100 years

Detailed Pin Configuration

The AT24C256-10PU-2.7 has a total of 8 pins:

1. A0: Chip Address Input
2. A1: Chip Address Input
3. A2: Chip Address Input
4. GND: Ground
5. SDA: Serial Data Input/Output
6. SCL: Serial Clock Input
7. WP: Write Protect
8. VCC: Power Supply

Functional Features

• Random access to any memory location
• Byte-wise and page-wise write operations
• Sequential read operation
• Software write protection
• Hardware write protection using the WP pin
• Self-timed write cycle completion

Advantages

• Large storage capacity
• Low power consumption
• High endurance and data retention
• Easy to interface with microcontrollers
• Compact package size

Disadvantages

• Slower write time compared to some other memory technologies
• Limited number of write cycles

Working Principles

The AT24C256-10PU-2.7 is based on EEPROM technology, which allows for non-volatile data storage. It uses a serial interface to communicate with external devices such as microcontrollers. The IC can be addressed using the A0, A1, and A2 pins, allowing multiple devices to be connected on the same bus.

Data can be written to the memory in byte-wise or page-wise fashion, and read sequentially. The IC also provides software and hardware write protection features to prevent accidental modification of stored data.

Detailed Application Field Plans

The AT24C256-10PU-2.7 is widely used in various applications that require non-volatile data storage, such as:

1. Embedded systems
2. Industrial automation
3. Consumer electronics
4. Automotive electronics
5. Medical devices
6. Smart meters
7. Internet of Things (IoT) devices

Its high storage capacity, low power consumption, and small form factor make it suitable for these applications.

Detailed and Complete Alternative Models

Some alternative models to the AT24C256-10PU-2.7 include:

1. AT24C01A: 1 kilobit EEPROM IC
2. AT24C04: 4 kilobit EEPROM IC
3. AT24C512: 512 kilobit EEPROM IC
4. AT24CM02: 2 megabit EEPROM IC

These alternative models offer different storage capacities to suit specific application requirements.

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