M27C4001-55C1

Product Overview

Category

The M27C4001-55C1 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 stored and cannot be modified. It is widely utilized in various electronic devices, such as computers, consumer electronics, and automotive applications.

Characteristics

• Non-volatile: The M27C4001-55C1 retains its stored data even when power is turned off.
• High storage capacity: This chip has a capacity of 4 megabits, allowing it to store a large amount of data.
• Fast access time: With an access time of 55 nanoseconds, it provides quick retrieval of stored information.
• Low power consumption: The M27C4001-55C1 operates efficiently with low power requirements.

Package

The M27C4001-55C1 is available in a standard dual in-line package (DIP), which consists of 32 pins arranged in two parallel rows.

Essence

The essence of the M27C4001-55C1 lies in its ability to store data permanently and provide fast access to the stored information.

Packaging/Quantity

This 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

• Capacity: 4 megabits
• Access Time: 55 nanoseconds
• Supply Voltage: 5V
• Operating Temperature Range: -40°C to +85°C
• Pin Count: 32
• Package Type: DIP

Detailed Pin Configuration

The M27C4001-55C1 has a total of 32 pins, each serving a specific function. The pin configuration is as follows:

1. A0: Address Input
2. A1: Address Input
3. A2: Address Input
4. A3: Address Input
5. A4: Address Input
6. A5: Address Input
7. A6: Address Input
8. A7: Address Input
9. A8: Address Input
10. A9: Address Input
11. A10: Address Input
12. A11: Address Input
13. A12: Address Input
14. A13: Address Input
15. A14: Address Input
16. A15: Address Input
17. VPP: Programming Voltage Input
18. GND: Ground
19. Q7: Data Output
20. D0: Data Input
21. D1: Data Input
22. D2: Data Input
23. D3: Data Input
24. D4: Data Input
25. D5: Data Input
26. D6: Data Input
27. D7: Data Input
28. CE: Chip Enable Input
29. OE: Output Enable Input
30. WE: Write Enable Input
31. NC: No Connection
32. VCC: Power Supply

Functional Features

The M27C4001-55C1 offers the following functional features:

• High-speed access: The chip provides fast access to stored data, enabling efficient retrieval.
• Easy integration: It can be easily integrated into various electronic systems due to its standard pin configuration and package type.
• Low power consumption: The chip operates with low power requirements, making it suitable for battery-powered devices.
• Reliable data storage: The non-volatile nature of the chip ensures that the stored data remains intact even during power loss or system shutdown.

Advantages and Disadvantages

Advantages

• Large storage capacity
• Fast access time
• Low power consumption
• Reliable data retention

Disadvantages

• Limited write cycles: The M27C4001-55C1 has a finite number of write cycles, after which it may become unreliable.
• Lack of flexibility: Once programmed, the data stored in the chip cannot be modified or updated.

Working Principles

The M27C4001-55C1 operates based on the principle of electrically programmable read-only memory (EPROM). It uses a grid of transistors to store and retrieve data. During programming, electrical charges are applied to specific cells within the chip, altering their state to represent the desired data. Once programmed, the data remains stored indefinitely until erased or overwritten.

Detailed Application Field Plans

The M27C4001-55C1 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 such as televisions, DVD players, and gaming consoles for storing configuration settings and firmware.
3. Automotive industry: Utilized in automotive electronic