Encyclopedia Entry: 93LC56X-I/SN

Product Information Overview

• Category: Integrated Circuit (IC)
• Use: Non-volatile Electrically Erasable Programmable Read-Only Memory (EEPROM)
• Characteristics: Small form factor, low power consumption, high data retention, and endurance
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: The 93LC56X-I/SN is a versatile EEPROM IC that provides non-volatile storage capabilities for various electronic devices.
• Packaging/Quantity: Available in tape and reel packaging with 2500 units per reel.

Specifications

• Memory Size: 2K bits (256 x 8 or 128 x 16 organization)
• Operating Voltage: 2.5V to 5.5V
• Data Retention: Up to 200 years
• Write Endurance: 1 million write cycles
• Interface: SPI (Serial Peripheral Interface)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The 93LC56X-I/SN IC has a total of 8 pins arranged as follows:

┌───┬───┐ │ 1 │ 8 │ └───┴───┘

1. Pin 1: Chip Select (CS) - Used to enable/disable the device for communication.
2. Pin 2: Serial Clock (SCK) - Provides the clock signal for synchronous communication.
3. Pin 3: Serial Data Input (SI) - Used to input data into the device during write operations.
4. Pin 4: Ground (GND) - Connected to the ground reference of the system.
5. Pin 5: Serial Data Output (SO) - Outputs data from the device during read operations.
6. Pin 6: Write Protect (WP) - Allows write protection of the memory array.
7. Pin 7: VCC - Connected to the positive supply voltage.
8. Pin 8: Not Connected (NC) - No internal connection.

Functional Features

• Non-volatile storage: The 93LC56X-I/SN retains data even when power is removed.
• High endurance: Supports up to 1 million write cycles, ensuring reliable data storage.
• Low power consumption: Operates with minimal power requirements, suitable for battery-powered devices.
• SPI interface: Utilizes a widely supported serial communication protocol for easy integration.
• Compact form factor: The SOIC package allows for space-efficient PCB design.

Advantages and Disadvantages

Advantages: - Reliable non-volatile storage solution - High endurance and data retention capabilities - Low power consumption - Easy integration with SPI interface - Compact form factor

Disadvantages: - Limited memory size (2K bits) - Requires external components for proper operation (e.g., microcontroller, clock source)

Working Principles

The 93LC56X-I/SN EEPROM operates based on the principles of electrically erasable programmable read-only memory. It utilizes a floating gate transistor structure to store charge, representing binary data. The stored data can be written or erased electrically using specific voltage levels applied to the control pins. During read operations, the stored data is retrieved by sensing the transistor's conductivity.

Detailed Application Field Plans

The 93LC56X-I/SN IC finds applications in various electronic systems that require non-volatile storage capabilities. Some potential application fields include: - Consumer electronics (e.g., smart appliances, remote controls) - Automotive electronics (e.g., infotainment systems, engine control units) - Industrial automation (e.g., programmable logic controllers, sensors) - Medical devices (e.g., patient monitoring systems, diagnostic equipment)

Detailed and Complete Alternative Models

• 93LC46X-I/SN: Similar to the 93LC56X-I/SN but with a smaller memory size of 1K bits.
• 93LC66X-I/SN: Similar to the 93LC56X-I/SN but with a larger memory size of 4K bits.
• 93LC102X-I/SN: Similar to the 93LC56X-I/SN but with an extended memory size of 8K bits.

These alternative models offer different memory sizes to cater to specific application requirements.

---

Word Count: 411 words