AT27C512R-55TI

Product Overview

Category

AT27C512R-55TI belongs to the category of programmable read-only memory (PROM) chips.

Use

This product is commonly used for storing permanent data or code that needs to be retained even when power is turned off. It is widely utilized in various electronic devices and systems.

Characteristics

• Non-volatile: The stored data remains intact even without power.
• High storage capacity: The AT27C512R-55TI has a capacity of 512 kilobits (64 kilobytes).
• Fast access time: With a speed of 55 nanoseconds, it provides quick retrieval of stored information.
• Reliable: The chip is designed to withstand harsh environmental conditions and ensure data integrity.
• Low power consumption: It operates efficiently with minimal power requirements.

Package

The AT27C512R-55TI comes in a standard integrated circuit (IC) package. It is commonly available in a dual in-line package (DIP), which consists of two parallel rows of pins.

Essence

The essence of this product lies in its ability to store and retain data reliably, making it an essential component in many electronic systems.

Packaging/Quantity

The AT27C512R-55TI is typically packaged in tubes or trays, providing protection during transportation and storage. The quantity per package varies depending on the manufacturer's specifications.

Specifications

• Capacity: 512 kilobits (64 kilobytes)
• Access Time: 55 nanoseconds
• Supply Voltage: 5 volts
• Operating Temperature Range: -40°C to +85°C
• Data Retention: More than 20 years

Pin Configuration

The AT27C512R-55TI has a total of 28 pins. The pin configuration is as follows:

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| | 1| A14 Vcc |28 2| A12 A7 |27 3| A7 A6 |26 4| A6 A5 |25 5| A5 A4 |24 6| A4 A3 |23 7| A3 A2 |22 8| A2 A1 |21 9| A1 A0 |20 10| A0 OE# |19 11| CE# WE# |18 12| I/O7 I/O6 |17 13| I/O6 I/O5 |16 14| I/O5 I/O4 |15 |_______________| ```

Functional Features

• Easy programming: The AT27C512R-55TI supports parallel programming, allowing for straightforward data storage.
• High-speed operation: With an access time of 55 nanoseconds, it enables fast retrieval of stored information.
• Data protection: The chip features a write enable (WE#) pin and an output enable (OE#) pin to prevent accidental writes or reads.

Advantages and Disadvantages

Advantages

• Non-volatile memory ensures data retention even during power loss.
• High storage capacity suitable for various applications.
• Fast access time allows for quick data retrieval.
• Reliable performance in harsh environmental conditions.
• Low power consumption for efficient operation.

Disadvantages

• Limited rewrite capability compared to other types of memory.
• Higher cost per bit compared to some alternative memory technologies.

Working Principles

The AT27C512R-55TI operates based on the principle of electrically programmable read-only memory (EPROM). It uses a grid of transistors to store data as binary code. During programming, electrical charges are applied to specific transistors, altering their state and storing the desired data. The stored information can be accessed by applying appropriate voltage levels to the address pins.

Detailed Application Field Plans

The AT27C512R-55TI finds applications in various fields, including: 1. Embedded systems: Used for firmware storage in microcontrollers and other embedded devices. 2. Automotive electronics: Employed for storing critical data in automotive control units. 3. Industrial automation: Utilized in programmable logic controllers (PLCs) for storing configuration data. 4. Consumer electronics: Found in devices such as gaming consoles, set-top boxes, and audio equipment for firmware storage.

Detailed and Complete Alternative Models

Some alternative models to the AT27C512R-55TI include: - AT28C64B-15PU: A 64-kilobit parallel EEPROM with a faster access time of 15 nanoseconds. - M27C256B-12F1: A 256-kilobit EPROM with a lower supply voltage requirement of 3 volts. - SST39SF010A-70-4C-PHE: A