Encyclopedia Entry: 93LC66CX-E/SN

Product Overview

• Category: Integrated Circuit (IC)
• Use: Non-volatile Serial EEPROM Memory
• Characteristics: Small form factor, low power consumption, high reliability
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Data storage and retrieval in electronic devices
• Packaging/Quantity: Available in tape and reel packaging, quantity varies based on manufacturer

Specifications

• Memory Size: 4Kbits (512 x 8)
• Interface: Serial I2C (Inter-Integrated Circuit) Bus
• Operating Voltage: 1.8V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Write Endurance: 1 Million cycles
• Data Retention: 200 Years

Detailed Pin Configuration

The 93LC66CX-E/SN IC has a total of 8 pins arranged as follows:

```

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| | | U | | | |___________|

Pin Configuration:

    1  2
 ___________
|           |

8 | | 3 | | ‾‾‾‾‾‾‾‾‾‾‾

    7  6
 ___________
|           |

4 | | 5 |___________| ```

Pin Description: 1. Chip Select (CS): Used to enable/disable the device for communication. 2. Serial Clock (SCK): Provides the clock signal for data transfer. 3. Serial Data Input (SDI): Used to input data into the device. 4. Ground (GND): Connected to the ground reference of the system. 5. Serial Data Output (SDO): Outputs data from the device. 6. Write Protect (WP): Used to protect the memory from accidental writes. 7. VCC: Power supply input pin. 8. Serial Data Out (SDO): Outputs data from the device.

Functional Features

• Non-volatile memory: Retains data even when power is disconnected.
• Serial interface: Allows for easy integration with microcontrollers and other devices.
• Low power consumption: Ideal for battery-powered applications.
• High reliability: Designed to withstand harsh operating conditions.
• Write protection: Prevents accidental modification of stored data.

Advantages and Disadvantages

Advantages: - Compact size enables integration in space-constrained designs. - Wide operating voltage range allows compatibility with various systems. - High write endurance ensures longevity of the memory. - Serial interface simplifies communication with other devices.

Disadvantages: - Limited storage capacity compared to larger EEPROMs. - Slower data transfer rate compared to parallel EEPROMs. - Vulnerable to electromagnetic interference due to its small package.

Working Principles

The 93LC66CX-E/SN is based on Electrically Erasable Programmable Read-Only Memory (EEPROM) technology. It utilizes a floating gate transistor structure to store and retrieve data. The memory cells can be electrically programmed and erased, allowing for non-volatile data storage. The serial interface facilitates communication between the IC and the controlling device, enabling efficient data transfer.

Detailed Application Field Plans

The 93LC66CX-E/SN is widely used in various electronic devices and systems, including but not limited to: - Consumer electronics: TVs, set-top boxes, remote controls - Automotive: Engine control units, infotainment systems - Industrial automation: PLCs (Programmable Logic Controllers), sensors - Medical devices: Patient monitoring systems, diagnostic equipment - Communication systems: Routers, modems, network switches

Detailed and Complete Alternative Models

• 93LC66B/SN: Similar specifications, different package (SOIC)
• 93LC66A-I/SN: Higher operating temperature range (-40°C to +125°C)
• 93LC66C-I/SN: Higher write endurance (10 Million cycles)

Note: This is not an exhaustive list of alternative models. Please refer to the manufacturer's datasheet for a complete list.

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