AT28C256F-15UM/883

Product Overview

Category: Integrated Circuit (IC)

Use: The AT28C256F-15UM/883 is a high-performance electrically erasable and programmable read-only memory (EEPROM) IC. It is commonly used for non-volatile data storage in various electronic devices.

Characteristics: - High-density memory with a capacity of 256 kilobits (32 kilobytes) - Fast access time of 150 nanoseconds - Low power consumption - Durable and reliable, capable of withstanding harsh environmental conditions - Can be electrically erased and reprogrammed multiple times

Package: The AT28C256F-15UM/883 is available in a ceramic package, denoted by the "883" suffix. This package provides excellent protection against moisture, temperature variations, and mechanical stress.

Essence: The essence of the AT28C256F-15UM/883 is its ability to store and retrieve digital information reliably, even in demanding environments.

Packaging/Quantity: The IC is typically supplied in tubes or trays, depending on the manufacturer's packaging standards. The quantity per package may vary, but it is commonly available in quantities of 25 or more.

Specifications

• Memory Capacity: 256 kilobits (32 kilobytes)
• Access Time: 150 nanoseconds
• Supply Voltage: 4.5V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Data Retention: 10 years minimum
• Endurance: 100,000 erase/write cycles

Pin Configuration

The AT28C256F-15UM/883 has a total of 28 pins, which are assigned specific functions. Here is the detailed pin configuration:

1. A0-A14: Address Inputs
2. CE: Chip Enable Input
3. OE: Output Enable Input
4. WE: Write Enable Input
5. VCC: Supply Voltage
6. GND: Ground
7. I/O0-I/O7: Data Input/Output

Functional Features

• High-speed access and operation
• Low power consumption during standby and active modes
• Easy integration into existing electronic systems
• Reliable data retention even in extreme conditions
• Multiple erase/write cycles without degradation in performance

Advantages and Disadvantages

Advantages: - High-density memory capacity - Fast access time - Durable and reliable construction - Can withstand harsh environmental conditions - Low power consumption

Disadvantages: - Limited storage capacity compared to other memory technologies - Requires specific programming equipment for reprogramming

Working Principles

The AT28C256F-15UM/883 utilizes a floating-gate transistor structure to store digital information. It employs a combination of electrical signals to enable reading, writing, and erasing operations. The IC operates by applying appropriate voltage levels to the control pins, allowing data to be stored or retrieved from specific memory locations.

Detailed Application Field Plans

The AT28C256F-15UM/883 finds applications in various electronic devices that require non-volatile memory storage. Some common application fields include: - Microcontrollers - Embedded systems - Industrial automation - Automotive electronics - Medical devices

Alternative Models

1. AT28C256-15PU: Plastic package variant with similar specifications.
2. AT28C256E-15PI: Surface-mount package variant with extended temperature range.
3. AT28C256J-15SU: Lead-free package variant suitable for RoHS compliance.

These alternative models offer similar functionality and compatibility with the AT28C256F-15UM/883, providing flexibility in design and procurement choices.

In conclusion, the AT28C256F-15UM/883 is a high-performance EEPROM IC that offers reliable non-volatile memory storage. With its fast access time, durability, and low power consumption, it finds applications in various electronic devices across different industries.