AT27C080-12DC

Product Overview

Category: Integrated Circuit (IC)

Use: The AT27C080-12DC is a programmable read-only memory (PROM) IC. It is commonly used for storing non-volatile data that needs to be retained even when power is removed from the system.

Characteristics: - High storage capacity - Fast access time - Low power consumption - Durable and reliable - Easy to program and erase

Package: The AT27C080-12DC is available in a Dual Inline Package (DIP), which consists of a rectangular plastic body with two parallel rows of pins.

Essence: This PROM IC allows users to store and retrieve data reliably, making it suitable for applications where permanent or semi-permanent data storage is required.

Packaging/Quantity: The AT27C080-12DC is typically sold in reels or tubes, with each reel or tube containing a specific quantity of ICs. The exact packaging and quantity may vary depending on the manufacturer.

Specifications

• Part Number: AT27C080-12DC
• Memory Size: 8 Megabits (1 Megabyte)
• Access Time: 120 nanoseconds
• Operating Voltage: 5V
• Operating Temperature Range: -40°C to +85°C
• Programming Method: Parallel programming
• Erase Method: Ultraviolet (UV) erasable
• Data Retention: More than 20 years

Pin Configuration

The AT27C080-12DC has a total of 32 pins, which are assigned specific functions as follows:

| Pin No. | Name | Function | |---------|------|----------| | 1 | A0 | Address Input | | 2 | A1 | Address Input | | 3 | A2 | Address Input | | ... | ... | ... | | 30 | A13 | Address Input | | 31 | A14 | Address Input | | 32 | A15 | Address Input | | 33 | VCC | Power Supply (5V) | | 34 | OE | Output Enable | | 35 | CE | Chip Enable | | 36 | WE | Write Enable | | 37-44 | D0-D7 | Data Input/Output | | 45 | GND | Ground |

Functional Features

1. High Storage Capacity: The AT27C080-12DC offers a large memory size of 8 Megabits, allowing for the storage of substantial amounts of data.
2. Fast Access Time: With an access time of 120 nanoseconds, this PROM IC provides quick retrieval of stored data.
3. Low Power Consumption: The AT27C080-12DC operates at a low voltage and consumes minimal power, making it energy-efficient.
4. Durable and Reliable: This IC is designed to withstand harsh environmental conditions and has a long data retention period of more than 20 years.
5. Easy Programming and Erasing: The parallel programming method and UV erasable feature simplify the process of writing and erasing data.

Advantages and Disadvantages

Advantages: - Large storage capacity - Fast access time - Low power consumption - High durability and reliability - Easy to program and erase

Disadvantages: - Requires external UV light source for erasing - Limited number of erase cycles

Working Principles

The AT27C080-12DC uses a combination of electronic circuits and non-volatile memory cells to store and retrieve data. When the chip enable (CE) and output enable (OE) signals are activated, the addressed memory location's content is read from or written to using the address and data lines.

During programming, a high voltage applied to the write enable (WE) pin allows data to be stored in the memory cells. Erasing is achieved by exposing the IC to UV light, which clears the stored data.

Detailed Application Field Plans

The AT27C080-12DC finds applications in various fields, including: 1. Embedded systems 2. Automotive electronics 3. Industrial control systems 4. Medical devices 5. Consumer electronics

In embedded systems, it can be used for firmware storage, configuration data, or encryption keys. In automotive electronics, it may store calibration data or program code for engine control units. Industrial control systems can utilize it for storing critical parameters or system configurations. Medical devices often employ it for non-volatile storage of patient data or device settings. In consumer electronics, it can be used for firmware updates or storing user preferences.

Detailed and Complete Alternative Models

1. AT28C256: 32 Kiloby