AT27C1024-12JC

Product Overview

Category

The AT27C1024-12JC belongs to the category of programmable read-only memory (PROM) chips.

Use

This chip is commonly used for storing data that needs to be permanently written and cannot be modified or erased. It is widely utilized in various electronic devices and systems.

Characteristics

• Non-volatile: The data stored in the AT27C1024-12JC remains intact even when power is turned off.
• High storage capacity: This chip has a capacity of 1,048,576 bits or 128 kilobytes.
• Fast access time: With an access time of 120 nanoseconds, it provides quick retrieval of data.
• Low power consumption: The AT27C1024-12JC operates efficiently with low power requirements.

Package

The AT27C1024-12JC is available in a 32-pin PLCC (Plastic Leaded Chip Carrier) package.

Essence

The essence of the AT27C1024-12JC lies in its ability to store large amounts of data permanently, ensuring reliable and secure information storage.

Packaging/Quantity

This chip is typically packaged individually and is available in various quantities depending on the manufacturer's specifications.

Specifications

• Manufacturer: Atmel Corporation
• Part Number: AT27C1024-12JC
• Memory Type: PROM
• Memory Size: 1,048,576 bits (128 kilobytes)
• Access Time: 120 ns
• Supply Voltage: 5V
• Operating Temperature Range: -40°C to +85°C
• Package Type: 32-pin PLCC

Detailed Pin Configuration

The AT27C1024-12JC has a total of 32 pins arranged as follows:

Pin 1: A14 Pin 2: A12 Pin 3: A7 ... Pin 30: VCC Pin 31: A9 Pin 32: A8

Functional Features

• Permanent data storage: The AT27C1024-12JC allows for the permanent storage of data, ensuring its integrity even when power is lost.
• High-speed access: With a fast access time of 120 ns, this chip enables quick retrieval of stored information.
• Reliable performance: The AT27C1024-12JC offers reliable and consistent performance over an extended period.

Advantages and Disadvantages

Advantages

• Non-volatile memory ensures data retention even without power.
• Large storage capacity allows for storing significant amounts of data.
• Fast access time enables quick retrieval of information.
• Low power consumption results in efficient operation.

Disadvantages

• Data cannot be modified or erased once programmed.
• Limited flexibility compared to other types of memory chips.
• Relatively higher cost compared to some alternative memory solutions.

Working Principles

The AT27C1024-12JC utilizes a one-time programmable (OTP) technology. During programming, electrical charges are applied to specific memory cells, altering their state permanently. Once programmed, the data remains unchanged, even when power is removed. This principle ensures the non-volatile nature of the stored information.

Detailed Application Field Plans

The AT27C1024-12JC 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 systems such as engine control units (ECUs).
3. Industrial Control Systems: Utilized for storing configuration data and program code in industrial automation systems.
4. Consumer Electronics: Integrated into devices like gaming consoles, set-top boxes, and digital cameras for data storage purposes.

Detailed and Complete Alternative Models

1. AT28C64B-15PU: A similar PROM chip with a smaller capacity of 8 kilobytes.
2. AT29C010A-12PC: A flash memory chip with a capacity of 128 kilobytes, offering reprogrammability.
3. AM27C256-150DC: A larger capacity PROM chip with 256 kilobytes of storage.

These alternative models provide different capacities and features to suit specific application requirements.

In conclusion, the AT27C1024-12JC is a programmable read-only memory chip that offers permanent data storage, high capacity, and fast access time. While it has limitations in terms of flexibility and reprogrammability, its reliability and non-volatile nature make it suitable for various applications in embedded systems, automotive electronics, industrial control systems, and consumer electronics.