AT49LV002-12PI

Product Overview

Category

AT49LV002-12PI 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 finds applications in various electronic devices where non-volatile memory is required.

Characteristics

• Non-volatile: The stored data remains intact even when power is turned off.
• High storage capacity: The AT49LV002-12PI has a storage capacity of 2 megabits (256 kilobytes).
• Low power consumption: This chip operates on low power, making it suitable for battery-powered devices.
• Fast access time: It offers a fast access time of 120 nanoseconds, allowing for quick retrieval of data.

Package

The AT49LV002-12PI comes in a 32-pin plastic dual in-line package (PDIP), which provides ease of installation and compatibility with standard sockets.

Essence

The essence of this PROM chip lies in its ability to store data permanently, ensuring reliable and secure data storage for electronic devices.

Packaging/Quantity

The AT49LV002-12PI is typically packaged in reels or tubes, containing a specified quantity of chips per package. The exact packaging and quantity may vary depending on the manufacturer.

Specifications

• Memory Type: Programmable Read-Only Memory (PROM)
• Capacity: 2 Megabits (256 Kilobytes)
• Access Time: 120 Nanoseconds
• Supply Voltage: 5V
• Operating Temperature Range: -40°C to +85°C
• Package Type: 32-pin Plastic Dual In-Line Package (PDIP)

Detailed Pin Configuration

The AT49LV002-12PI has a total of 32 pins, each serving a specific function. The pin configuration is as follows:

1. VCC - Power Supply
2. A0-A16 - Address Inputs
3. CE - Chip Enable
4. OE - Output Enable
5. WE - Write Enable
6. I/O0-I/O7 - Data Input/Output
7. RESET - Reset Input
8. NC - No Connection (Not Connected)

Functional Features

• Non-volatile storage: The AT49LV002-12PI retains data even when power is removed.
• High-speed access: With a fast access time of 120 nanoseconds, data retrieval is quick and efficient.
• Low power consumption: This chip operates on low power, making it suitable for battery-powered devices.
• Easy integration: The 32-pin PDIP package allows for easy installation and compatibility with standard sockets.

Advantages and Disadvantages

Advantages

• Permanent data storage ensures reliability and security.
• Fast access time enables quick retrieval of stored data.
• Low power consumption prolongs battery life in portable devices.
• Easy integration with standard sockets simplifies installation.

Disadvantages

• Data cannot be modified or erased once programmed.
• Limited storage capacity compared to other memory technologies.
• Higher cost per bit compared to some other memory options.

Working Principles

The AT49LV002-12PI utilizes a technology called "one-time programmable" (OTP) memory. During the manufacturing process, the desired data is permanently written into the memory cells using electrical programming signals. Once programmed, the data remains stored indefinitely and cannot be modified or erased.

Detailed Application Field Plans

The AT49LV002-12PI finds applications in various electronic devices that require non-volatile memory. Some common application fields include: - Embedded systems - Automotive electronics - Industrial control systems - Medical devices - Consumer electronics

Detailed and Complete Alternative Models

• AT49BV002T-12TC: Similar to AT49LV002-12PI, but with a different package type (TSOP) and extended temperature range.
• AT27C256R-45PU: A 256-kilobyte EPROM chip with similar characteristics and pin configuration.
• AM29F040B-90JC: A 4-megabit flash memory chip with higher storage capacity and faster access time.

These alternative models offer similar functionality and can be considered as substitutes depending on specific requirements.

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