Encyclopedia Entry: 93LC76C-E/ST

Product Overview

Category

The 93LC76C-E/ST belongs to the category of electrically erasable programmable read-only memory (EEPROM) chips.

Use

This chip is primarily used for non-volatile data storage in various electronic devices, such as microcontrollers, computers, and consumer electronics.

Characteristics

• Electrically erasable: The 93LC76C-E/ST can be erased and reprogrammed electronically, eliminating the need for physical erasure.
• Non-volatile: The stored data remains intact even when power is removed.
• High storage capacity: This chip offers a storage capacity of 8 kilobits (1 kilobyte).
• Low power consumption: It operates on low power, making it suitable for battery-powered devices.
• Fast access time: The 93LC76C-E/ST provides quick access to stored data.

Package and Quantity

The 93LC76C-E/ST is available in an 8-pin SOIC (Small Outline Integrated Circuit) package. It is typically sold in reels containing multiple units.

Specifications

• Memory Capacity: 8 kilobits (1 kilobyte)
• Interface: Serial
• Supply Voltage: 2.5V - 5.5V
• Operating Temperature Range: -40°C to +85°C
• Data Retention: Minimum 200 years
• Endurance: Minimum 1 million write cycles

Pin Configuration

The 93LC76C-E/ST features the following pin configuration:

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

Pin Description: 1. Chip Select (CS): Enables the chip for communication. 2. Serial Clock (SCK): Provides the clock signal for data transfer. 3. Data Input/Output (DI/DO): Bidirectional pin for data input and output. 4. Ground (GND): Connection to the ground reference. 5. VCC: Power supply voltage.

Functional Features

The 93LC76C-E/ST offers the following functional features:

• Sequential Read: Allows consecutive read operations without readdressing.
• Byte Write: Supports individual byte write operations.
• Self-Timed Programming Cycle: Automatically manages programming and erase operations.
• Software Protection: Provides software protection against accidental write or erase operations.
• Write Enable Latch: Ensures data integrity during write operations.

Advantages and Disadvantages

Advantages: - Electrically erasable, eliminating the need for physical erasure. - Non-volatile data storage. - High storage capacity. - Low power consumption. - Fast access time.

Disadvantages: - Limited storage capacity compared to other memory technologies. - Relatively higher cost per kilobyte compared to some alternatives.

Working Principles

The 93LC76C-E/ST utilizes a floating-gate transistor technology to store and retrieve data. It employs a combination of electrical signals and charge trapping mechanisms to achieve non-volatile memory functionality. The chip's internal circuitry manages the programming, erasing, and reading of data based on the applied control signals.

Application Field Plans

The 93LC76C-E/ST finds applications in various fields, including but not limited to: - Embedded systems - Automotive electronics - Industrial automation - Medical devices - Consumer electronics

Alternative Models

• 93LC76B-E/ST: Similar to the 93LC76C-E/ST, but with a lower storage capacity of 4 kilobits.
• 93LC76D-E/ST: Similar to the 93LC76C-E/ST, but with a higher storage capacity of 16 kilobits.
• 93LC76A-E/ST: Similar to the 93LC76C-E/ST, but with a different package type (e.g., DIP).

These alternative models provide options with varying storage capacities and package types to suit specific application requirements.

In conclusion, the 93LC76C-E/ST is an electrically erasable programmable read-only memory chip that offers high storage capacity, low power consumption, and fast access time. It finds applications in diverse fields and has alternative models catering to different needs within the EEPROM category.