AT27C4096-90PU

Product Overview

Category

The AT27C4096-90PU belongs to the category of programmable read-only memory (PROM) chips.

Use

This chip is primarily used for storing data that needs to be permanently written and cannot be modified or erased. It is commonly employed in applications where non-volatile memory is required.

Characteristics

• Non-volatile: The stored data remains intact even when power is removed.
• High capacity: The AT27C4096-90PU has a storage capacity of 4,096 kilobits (512 kilobytes).
• Fast access time: With a speed rating of 90 nanoseconds, it provides quick access to stored data.
• Low power consumption: The chip operates on low power, making it suitable for battery-powered devices.

Package

The AT27C4096-90PU is available in a 44-pin plastic dual in-line package (PDIP).

Essence

The essence of the AT27C4096-90PU lies in its ability to store large amounts of data in a non-volatile manner, ensuring data integrity even in the absence of power.

Packaging/Quantity

This chip is typically sold in reels or tubes containing multiple units, with each reel or tube containing a specific quantity of AT27C4096-90PU chips.

Specifications

• Storage Capacity: 4,096 kilobits (512 kilobytes)
• Access Time: 90 nanoseconds
• Operating Voltage: 5 volts
• Package Type: 44-pin PDIP
• Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The AT27C4096-90PU chip has a total of 44 pins, each serving a specific function. The pin configuration is as follows:

1. A0-A18: Address Inputs
2. CE: Chip Enable
3. OE: Output Enable
4. WE: Write Enable
5. I/O0-I/O7: Data Input/Output
6. VCC: Power Supply (5V)
7. GND: Ground

(Note: The remaining pins are not listed here for brevity.)

Functional Features

• Non-volatile storage: The AT27C4096-90PU retains data even when power is removed.
• High-speed access: With an access time of 90 nanoseconds, it provides quick retrieval of stored data.
• Easy integration: The chip can be easily integrated into existing electronic systems due to its standard pin configuration and package.

Advantages and Disadvantages

Advantages

• Large storage capacity
• Non-volatile memory
• Fast access time
• Low power consumption

Disadvantages

• Inability to modify or erase stored data
• Limited write cycles

Working Principles

The AT27C4096-90PU operates on the principle of electrical programming. Once programmed, the data remains permanently stored in the memory cells until the chip is replaced. The chip utilizes a combination of address inputs, control signals, and data lines to read or write data from/to specific memory locations.

Detailed Application Field Plans

The AT27C4096-90PU 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 to store firmware, boot code, or configuration data. In automotive electronics, it may be employed for storing critical data related to engine control units or safety systems. Industrial control systems often utilize this chip for storing calibration data or program code. Medical devices may use it for storing patient data or firmware. Lastly, consumer electronics such as gaming consoles or set-top boxes may incorporate this chip for storing system software or user data.

Detailed and Complete Alternative Models

1. AT28C64B-15PU: 8-kilobit (1-kilobyte) programmable read-only memory chip with an access time of 150 nanoseconds.
2. AT29C010A-12PC: 1-megabit (128-kilobyte) programmable read-only memory chip with an access time of 120 nanoseconds.
3. AT49BV1614T-90CI: 16-megabit (2-megabyte) programmable read-only memory chip with an access time of 90 nanoseconds.

These alternative models offer different storage capacities and access times, allowing users to choose the most suitable option based on their specific requirements.

In conclusion, the AT27C4096-90PU is a high-capacity programmable read-only memory chip that provides non-volatile storage with fast access times. Its characteristics, pin configuration, functional features, advantages, and disadvantages make it suitable for various applications in different fields. Additionally, alternative models offer flexibility in terms of