AT93C46DY6-YH-T

Product Overview

Category: Integrated Circuit (IC)

Use: The AT93C46DY6-YH-T is a serial EEPROM (Electrically Erasable Programmable Read-Only Memory) IC. It is commonly used for non-volatile storage of small amounts of data in various electronic devices.

Characteristics: - Low power consumption - High reliability - Small form factor - Wide operating voltage range - Easy to interface with microcontrollers

Package: The AT93C46DY6-YH-T is available in a 8-pin SOIC (Small Outline Integrated Circuit) package.

Essence: This IC provides a cost-effective solution for storing and retrieving data in electronic systems, without the need for external power supply.

Packaging/Quantity: The AT93C46DY6-YH-T is typically sold in reels containing 2500 units.

Specifications

• Memory Size: 1K bits (128 bytes)
• Interface: Serial I2C (Inter-Integrated Circuit)
• Operating Voltage: 2.5V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Write Time: 5ms (maximum)
• Data Retention: 100 years (minimum)

Pin Configuration

The AT93C46DY6-YH-T has the following pin configuration:

____ CS |1 8| VCC SCK |2 7| NC DI |3 6| DO GND |4____5| NC

• CS: Chip Select
• SCK: Serial Clock
• DI: Data Input
• DO: Data Output
• VCC: Power Supply
• GND: Ground
• NC: No Connection

Functional Features

• Byte-wise Read and Write operations
• Self-timed Write cycle with auto-clear function
• Software and Hardware Write Protection
• Sequential Read operation for faster data retrieval
• Built-in Write Protect pin for hardware protection

Advantages and Disadvantages

Advantages: - Low power consumption makes it suitable for battery-powered devices - High reliability ensures data integrity in harsh environments - Small form factor allows for space-efficient designs - Wide operating voltage range provides flexibility in various applications - Easy integration with microcontrollers simplifies system design

Disadvantages: - Limited storage capacity (1K bits) - Relatively slow write time compared to other memory technologies - Lack of built-in security features for data protection

Working Principles

The AT93C46DY6-YH-T is based on EEPROM technology, which allows for non-volatile storage of data. It utilizes an I2C interface for communication with the host microcontroller. The IC can be written to and read from using specific commands sent over the serial bus.

During a write operation, the data to be stored is sent to the IC along with the memory address. The IC internally manages the programming of the memory cells. Reading data involves sending the memory address and receiving the corresponding data from the IC.

Detailed Application Field Plans

The AT93C46DY6-YH-T finds applications in various electronic systems that require small amounts of non-volatile data storage. Some common application fields include:

1. Consumer Electronics:

   • Set-top boxes
   • Remote controls
   • Digital cameras

2. Automotive:

   • Keyless entry systems
   • Dashboard displays
   • Engine control units

3. Industrial Automation:

   • Programmable logic controllers (PLCs)
   • Data loggers
   • Human-machine interfaces (HMIs)

4. Medical Devices:

   • Patient monitoring systems
   • Infusion pumps
   • Portable diagnostic devices

Detailed and Complete Alternative Models

1. AT93C46D-PU: DIP (Dual Inline Package) version of the AT93C46DY6-YH-T.
2. AT93C46DN-SH-T: Smaller package variant with 1500 units per reel.
3. AT93C46DY6-BH-T: Extended temperature range version (-40°C to +125°C).

These alternative models offer similar functionality and compatibility, but may differ in package type, operating temperature range, or quantity per reel.

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