Encyclopedia Entry: 25AA160B-I/MS

Product Information Overview

• Category: Integrated Circuit (IC)
• Use: Non-volatile Serial EEPROM Memory
• Characteristics: High-density, low-power, small form factor
• Package: MSOP (Mini Small Outline Package)
• Essence: Data storage and retrieval in electronic devices
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Memory Size: 16 kilobits (2 kilobytes)
• Interface: Serial Peripheral Interface (SPI)
• Operating Voltage: 1.8V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Write Endurance: 1 Million cycles
• Data Retention: 200 Years
• Organization: 2048 x 8 bits

Detailed Pin Configuration

The 25AA160B-I/MS IC has a total of 8 pins arranged as follows:

┌───┬───┐ │ 1 │ 8 │ │ │ │ └───┴───┘

1. VCC: Power supply voltage input
2. CS: Chip Select input for SPI communication
3. SCK: Serial Clock input for SPI communication
4. SI: Serial Data Input for SPI communication
5. SO: Serial Data Output for SPI communication
6. WP: Write Protect input for hardware protection
7. HOLD: Hold input for suspending serial communication
8. GND: Ground reference

Functional Features

• Non-volatile memory: Retains data even when power is removed
• Serial interface: Allows easy integration with microcontrollers
• Low power consumption: Suitable for battery-powered devices
• High-speed data transfer: SPI interface enables fast communication
• Hardware write protection: Prevents accidental data modification

Advantages and Disadvantages

Advantages: - Compact size and high density - Wide operating voltage range - Long data retention period - Easy integration with existing systems - Low power consumption

Disadvantages: - Limited memory capacity compared to other storage options - Relatively slower write speeds compared to some alternatives

Working Principles

The 25AA160B-I/MS is based on Electrically Erasable Programmable Read-Only Memory (EEPROM) technology. It utilizes a floating gate transistor structure to store and retrieve digital information. The memory cells can be electrically programmed and erased, allowing for non-volatile data storage.

During operation, the IC communicates with a microcontroller or host device using the Serial Peripheral Interface (SPI). The SPI interface provides a simple and efficient means of transferring data between the memory and the controlling device.

Detailed Application Field Plans

The 25AA160B-I/MS IC finds applications in various electronic devices that require non-volatile memory storage. Some common application fields include: - Consumer electronics (e.g., smartphones, tablets, digital cameras) - Automotive electronics (e.g., infotainment systems, engine control units) - Industrial automation (e.g., sensors, programmable logic controllers) - Medical devices (e.g., patient monitoring systems, diagnostic equipment) - Internet of Things (IoT) devices (e.g., smart home appliances, wearable devices)

Detailed and Complete Alternative Models

• AT24C16: Similar EEPROM memory IC from Atmel Corporation
• CAT24C16: Competing EEPROM memory IC from ON Semiconductor
• M24C16: Alternative EEPROM memory IC from STMicroelectronics

These alternative models offer similar functionality and specifications, providing options for different design requirements and supplier preferences.

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