AT93C66A-10SU-1.8

Basic Information Overview

Category: Integrated Circuit (IC)

Use: Non-volatile Serial EEPROM (Electrically Erasable Programmable Read-Only Memory)

Characteristics: - Low-power CMOS technology - 8-bit organization - 4K bits of memory - 128 x 32 or 256 x 16 organization - Single supply voltage range: 1.8V to 5.5V - High-speed clock frequency: 20 MHz - Self-timed erase and write cycles - 10ms maximum write cycle time

Package: SOIC (Small Outline Integrated Circuit)

Essence: The AT93C66A-10SU-1.8 is a non-volatile serial EEPROM IC that provides reliable data storage in various electronic devices.

Packaging/Quantity: The AT93C66A-10SU-1.8 is typically sold in reels containing 2,500 units per reel.

Specifications

• Memory Size: 4K bits
• Organization: 128 x 32 or 256 x 16
• Supply Voltage Range: 1.8V to 5.5V
• Clock Frequency: 20 MHz (maximum)
• Write Cycle Time: 10ms (maximum)
• Operating Temperature Range: -40°C to +85°C
• Package Type: SOIC-8

Detailed Pin Configuration

The AT93C66A-10SU-1.8 has the following pin configuration:

| Pin Number | Pin Name | Description | |------------|----------|-------------| | 1 | CS | Chip Select | | 2 | DI | Data Input | | 3 | DO | Data Output | | 4 | CLK | Clock Input | | 5 | VCC | Supply Voltage | | 6 | NC | No Connection | | 7 | GND | Ground | | 8 | WP | Write Protect |

Functional Features

• Non-volatile memory: The AT93C66A-10SU-1.8 retains data even when power is removed.
• Serial interface: It uses a simple 3-wire serial communication protocol for easy integration with microcontrollers.
• Self-timed erase and write cycles: The IC manages the timing of erase and write operations, simplifying the control circuitry.
• Low-power consumption: The CMOS technology used in the IC ensures efficient power usage.
• Wide supply voltage range: It can operate within a wide range of supply voltages, making it compatible with various systems.

Advantages and Disadvantages

Advantages: - Reliable data storage - Easy integration with microcontrollers - Low-power consumption - Wide supply voltage range - Compact package size

Disadvantages: - Limited memory capacity (4K bits) - Relatively slow write cycle time (10ms maximum)

Working Principles

The AT93C66A-10SU-1.8 utilizes EEPROM technology to store data. It employs a floating gate transistor structure that allows for non-volatile storage of information. The IC communicates with external devices using a simple serial interface, enabling easy integration into electronic systems. During write and erase operations, the IC manages the timing internally, simplifying the control circuitry required by the user.

Detailed Application Field Plans

The AT93C66A-10SU-1.8 finds applications in various electronic devices where reliable non-volatile data storage is required. Some potential application fields include: - Automotive electronics - Industrial control systems - Consumer electronics - Medical devices - Communication equipment

Detailed and Complete Alternative Models

• AT93C46A-10SU-2.7: 1K-bit non-volatile serial EEPROM with a supply voltage range of 2.7V to 5.5V.
• AT93C86A-10SU-2.5: 16K-bit non-volatile serial EEPROM with a supply voltage range of 2.5V to 5.5V.
• AT25DF041A-SSH-T: 4M-bit SPI (Serial Peripheral Interface) flash memory with a supply voltage range of 2.7V to 3.6V.

These alternative models offer different memory capacities, supply voltage ranges, and interface protocols to suit specific application requirements.

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