Encyclopedia Entry: 93LC76C/W15K

Product Overview

• Category: Integrated Circuit (IC)
• Use: Non-volatile Memory
• Characteristics: Low power consumption, small form factor
• Package: SOP-8 (Small Outline Package)
• Essence: Serial Electrically Erasable Programmable Read-Only Memory (EEPROM)
• Packaging/Quantity: Typically sold in reels of 2500 units

Specifications

• Memory Size: 8 kilobits (1 kilobyte)
• Organization: 1024 x 8 bits
• Supply Voltage: 2.5V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Data Retention: 200 years
• Write Cycles: 1,000,000

Detailed Pin Configuration

The 93LC76C/W15K IC has a total of 8 pins arranged as follows:

┌───┬───┐ │ 1 │ 8 │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ 4 │ 5 │ └───┴───┘

Pin Description: 1. Chip Select (/CS): Active low input used to enable the device. 2. Serial Clock (SCK): Input for synchronizing data transfer. 3. Serial Data Input (SI): Input for shifting data into the device. 4. Ground (GND): Reference ground for the IC. 5. Serial Data Output (SO): Output for shifting data out of the device. 6. Write Protect (/WP): Active low input used to protect the memory from being written. 7. VCC: Supply voltage input. 8. Hold (/HOLD): Active low input used to pause serial communication.

Functional Features

• Serial Interface: The 93LC76C/W15K utilizes a simple 3-wire serial interface for easy integration with microcontrollers and other digital systems.
• Non-volatile Memory: The IC retains data even when the power is turned off, making it suitable for storing critical information.
• Low Power Consumption: Designed with power efficiency in mind, the device consumes minimal power during both read and write operations.
• High Reliability: With a data retention period of up to 200 years and a high endurance of 1,000,000 write cycles, the IC offers reliable long-term storage.

Advantages and Disadvantages

Advantages: - Compact Size: The small form factor of the SOP-8 package allows for space-efficient designs. - Easy Integration: The 3-wire serial interface simplifies the integration process. - Low Power Consumption: Ideal for battery-powered applications. - High Reliability: Ensures data integrity over extended periods.

Disadvantages: - Limited Storage Capacity: The 93LC76C/W15K has a relatively small memory size compared to other EEPROMs. - Slower Write Speed: Due to the nature of EEPROM technology, write operations are slower compared to volatile memories.

Working Principles

The 93LC76C/W15K is based on Electrically Erasable Programmable Read-Only Memory (EEPROM) technology. It stores data using floating-gate transistors that can be electrically programmed and erased. The IC utilizes a serial interface to communicate with external devices, allowing for easy reading and writing of data.

Detailed Application Field Plans

The 93LC76C/W15K is commonly used in various electronic systems, including but not limited to: - Consumer Electronics: Used for storing configuration settings, user preferences, and calibration data in devices such as TVs, set-top boxes, and audio equipment. - Automotive Electronics: Employed for storing critical information like mileage, vehicle settings, and diagnostic codes in automotive applications. - Industrial Control Systems: Utilized for storing parameter settings, calibration data, and event logs in industrial automation and control systems. - Medical Devices: Used for storing patient data, device configurations, and firmware updates in medical equipment.

Detailed and Complete Alternative Models

• 93LC66C/W15K: Similar to the 93LC76C/W15K but with a smaller memory size of 4 kilobits (512 bytes).
• 93LC86C/W15K: Similar to the 93LC76C/W15K but with a larger memory size of 16 kilobits (2 kilobytes).

(Note: The alternative models mentioned above are just examples and not an exhaustive list.)

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