M27C512-45C1

Product Overview

Category

The M27C512-45C1 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 stored and cannot be modified. It is commonly employed in various electronic devices, such as computers, consumer electronics, and automotive applications.

Characteristics

• Non-volatile: The M27C512-45C1 retains its stored data even when power is turned off.
• High storage capacity: This chip has a capacity of 512 kilobits, allowing it to store a significant amount of data.
• Fast access time: With an access time of 45 nanoseconds, it enables quick retrieval of stored information.
• Low power consumption: The M27C512-45C1 operates efficiently with low power requirements.

Package

The M27C512-45C1 is available in a standard dual in-line package (DIP), which consists of 28 pins arranged in two parallel rows.

Essence

The essence of the M27C512-45C1 lies in its ability to provide non-volatile storage for critical data, ensuring its integrity and availability whenever required.

Packaging/Quantity

This chip is typically packaged individually or in reels, depending on the manufacturer's specifications. The quantity per package may vary, but it is commonly available in quantities of 10 or more.

Specifications

• Capacity: 512 kilobits (64 kilobytes)
• Access Time: 45 nanoseconds
• Supply Voltage: 5 volts
• Operating Temperature Range: -40°C to +85°C
• Data Retention: 20 years

Detailed Pin Configuration

The M27C512-45C1 features the following pin configuration:

```

Pin Name Description

1 A14 Address Input 2 A12 Address Input 3 A7 Address Input 4 A6 Address Input 5 A5 Address Input 6 A4 Address Input 7 A3 Address Input 8 A2 Address Input 9 A1 Address Input 10 A0 Address Input 11 /OE Output Enable 12 /CE Chip Enable 13 VPP Programming Voltage 14 DQ0 Data Input/Output 15 DQ1 Data Input/Output 16 DQ2 Data Input/Output 17 DQ3 Data Input/Output 18 DQ4 Data Input/Output 19 DQ5 Data Input/Output 20 DQ6 Data Input/Output 21 DQ7 Data Input/Output 22 VSS Ground 23 A8 Address Input 24 A9 Address Input 25 A11 Address Input 26 A10 Address Input 27 A13 Address Input 28 VCC Supply Voltage ```

Functional Features

The M27C512-45C1 offers the following functional features:

• High-speed data access: The chip allows for fast retrieval of stored information, enabling efficient data processing.
• Easy integration: It can be easily integrated into various electronic systems due to its standard pin configuration and compatibility with common interfaces.
• Reliable data retention: The non-volatile nature of the chip ensures that stored data remains intact even during power loss or system shutdown.

Advantages and Disadvantages

Advantages

• Non-volatile storage capability ensures data integrity.
• High storage capacity allows for storing a significant amount of data.
• Fast access time enables quick retrieval of information.
• Low power consumption contributes to energy efficiency.

Disadvantages

• Data cannot be modified once programmed, limiting its flexibility compared to other memory technologies.
• Limited storage capacity compared to more advanced memory devices.

Working Principles

The M27C512-45C1 operates based on the principle of electrical charge trapping. The data is stored in a matrix of memory cells, with each cell representing a bit of information. When a specific address is accessed, the chip activates the corresponding memory cell, allowing the stored data to be read.

Detailed Application Field Plans

The M27C512-45C1 finds applications in various fields, including:

1. Computer systems: Used for storing firmware, BIOS, and other critical system data.
2. Consumer electronics: Employed in devices like set-top boxes, gaming consoles, and digital cameras for storing configuration settings and firmware.
3. Automotive industry: Utilized in electronic control units (ECUs) for storing calibration data, firmware, and diagnostic information.

Detailed and Complete Alternative Models

1. M27C256B-12F1: A similar PROM chip with a lower capacity