M27C4002-70C1

Product Overview

Category

M27C4002-70C1 belongs to the category of programmable read-only memory (PROM) chips.

Use

The M27C4002-70C1 chip is primarily used for storing data that needs to be permanently retained, even when power is turned off. It allows users to write data onto the chip during the manufacturing process and then read it back later.

Characteristics

• Non-volatile: The data stored in the M27C4002-70C1 chip remains intact even without a power supply.
• High storage capacity: The chip has a capacity of 4 megabits, allowing it to store a large amount of data.
• Fast access time: With an access time of 70 nanoseconds, the chip enables quick retrieval of stored information.

Package

The M27C4002-70C1 chip comes in a standard dual in-line package (DIP), which consists of 32 pins arranged in two parallel rows.

Essence

The essence of the M27C4002-70C1 chip lies in its ability to provide non-volatile memory storage with high capacity and fast access times.

Packaging/Quantity

The M27C4002-70C1 chip is typically packaged in tubes or trays, with each tube or tray containing a specific quantity of chips. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Memory Capacity: 4 Megabits
• Access Time: 70 Nanoseconds
• Supply Voltage: 5 Volts
• Operating Temperature Range: -40°C to +85°C
• Input/Output Voltage Levels: TTL-compatible

Detailed Pin Configuration

The M27C4002-70C1 chip has the following pin configuration:

Pin 1: A16 Pin 2: A15 Pin 3: A12 Pin 4: A7 Pin 5: A6 Pin 6: A5 Pin 7: A4 Pin 8: A3 Pin 9: A2 Pin 10: A1 Pin 11: A0 Pin 12: VPP Pin 13: A8 Pin 14: A9 Pin 15: A11 Pin 16: A10 Pin 17: CE Pin 18: OE Pin 19: WE Pin 20: NC Pin 21: DQ0 Pin 22: DQ1 Pin 23: DQ2 Pin 24: DQ3 Pin 25: DQ4 Pin 26: DQ5 Pin 27: DQ6 Pin 28: DQ7 Pin 29: VCC Pin 30: GND Pin 31: NC Pin 32: NC

Functional Features

• Easy data storage: The M27C4002-70C1 chip allows for simple and efficient storage of data during the manufacturing process.
• Reliable data retention: The non-volatile nature of the chip ensures that the stored data remains intact even in the absence of power.
• Fast data access: With a quick access time of 70 nanoseconds, the chip enables rapid retrieval of information.

Advantages and Disadvantages

Advantages

• High storage capacity
• Non-volatile memory
• Fast access times

Disadvantages

• Limited rewrite capability
• Relatively higher cost compared to other memory options

Working Principles

The M27C4002-70C1 chip utilizes a combination of electronic circuits and memory cells to store and retrieve data. During the manufacturing process, data is written onto the chip using specialized programming equipment. Once programmed, the chip retains the stored data even when power is turned off. When needed, the chip allows for quick access to the stored information.

Detailed Application Field Plans

The M27C4002-70C1 chip finds applications in various fields, including: 1. Embedded systems: The chip can be used in embedded systems to store firmware or configuration data. 2. Automotive electronics: It can be employed in automotive electronics for storing critical data such as calibration parameters or diagnostic information. 3. Industrial control systems: The chip can be utilized in industrial control systems to store program code or configuration settings.

Detailed and Complete Alternative Models

Some alternative models to the M27C4002-70C1 chip include: - M27C4002-12F1 - M27C4002-15F1 - M27C4002-20F1 - M27C4002-25F1

These alternative models offer similar functionality but may have different specifications, such as access times or operating temperature ranges.

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