AT93C66A-10PU-1.8

Overview

Category: Integrated Circuit (IC)
Use: Non-volatile Serial EEPROM Memory
Characteristics: Low-power, 3-wire Serial Interface, 4K-bit Capacity
Package: PDIP (Plastic Dual In-line Package)
Essence: Electrically Erasable Programmable Read-Only Memory (EEPROM)
Packaging/Quantity: Tube packaging, 25 pieces per tube

Specifications

• Part Number: AT93C66A-10PU-1.8
• Operating Voltage: 1.8V
• Speed Grade: 10 MHz
• Memory Capacity: 4 Kilobits (512 x 8 bits)
• Interface: 3-wire Serial Interface (SI, SO, and SCK)
• Write Cycle Time: 5 ms (typical)
• Data Retention: 100 years (minimum)
• Endurance: 1 million write cycles (minimum)

Pin Configuration

The AT93C66A-10PU-1.8 IC has a total of 8 pins arranged as follows:

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

Pin Description: 1. Chip Select (/CS): Active low input used to enable the device. 2. Serial Data Input (SI): Input for data during write operations and address during read operations. 3. Serial Data Output (SO): Output for data during read operations. 4. Serial Clock (SCK): Input for the serial clock during read and write operations. 5. VCC: Power supply voltage (+1.8V). 6. NC: No connection. 7. Ground (GND): Ground reference. 8. Write Protect (/WP): Active low input used to protect the memory content from being modified.

Functional Features

• Low-power consumption, suitable for battery-powered devices.
• 3-wire serial interface allows for easy integration with microcontrollers.
• Non-volatile memory retains data even when power is disconnected.
• High endurance ensures reliable and long-lasting data storage.
• Wide operating voltage range (1.8V) enables compatibility with various systems.
• Compact PDIP package facilitates easy PCB mounting and soldering.

Advantages

• Small form factor and low power consumption make it ideal for portable electronic devices.
• Easy integration with microcontrollers simplifies system design and development.
• Non-volatile memory ensures data integrity in case of power loss or system failure.
• High endurance guarantees reliable and durable data storage.
• Wide operating voltage range enhances compatibility with different power supply configurations.

Disadvantages

• Limited memory capacity may not be sufficient for certain applications requiring larger storage.
• Slower write cycle time compared to some other EEPROM memory chips.
• Lack of additional features such as built-in security or advanced error correction mechanisms.

Working Principles

The AT93C66A-10PU-1.8 is an Electrically Erasable Programmable Read-Only Memory (EEPROM) that utilizes a 3-wire serial interface for communication. It stores data in non-volatile memory cells, allowing information to be retained even when power is disconnected. The device can be accessed by a microcontroller through the serial interface, enabling read and write operations. The chip select pin is used to enable the device, while the serial data input and output pins facilitate data transfer. The serial clock pin synchronizes the communication between the microcontroller and the EEPROM.

Detailed Application Field Plans

The AT93C66A-10PU-1.8 is commonly used in various electronic systems that require non-volatile memory for data storage. Some potential application fields include: - Automotive electronics: Used for storing vehicle configuration settings, mileage data, or user preferences. - Consumer electronics: Integrated into devices like smart TVs, set-top boxes, or gaming consoles to store user profiles, settings, or firmware updates. - Industrial automation: Employed in control systems, sensors, or programmable logic controllers (PLCs) to store calibration data, configuration parameters, or event logs. - Medical devices: Utilized for storing patient information, device settings, or diagnostic data in medical equipment such as monitors or infusion pumps. - Internet of Things (IoT): Incorporated into IoT devices for storing sensor data, network configurations, or firmware updates.

Detailed and Complete Alternative Models

• AT93C46A-10PU-1.8: 1K-bit capacity, similar specifications, and pin configuration.
• AT93C86A-10