M27C256B-45XF1

Product Overview

Category

The M27C256B-45XF1 belongs to the category of non-volatile memory devices.

Use

This product is primarily used for storing and retrieving data in electronic systems.

Characteristics

• Non-volatile: The M27C256B-45XF1 retains stored data even when power is removed.
• High capacity: It has a storage capacity of 256 kilobits (32 kilobytes).
• Fast access time: The device offers a fast access time of 45 nanoseconds.
• Low power consumption: It operates at low power levels, making it suitable for battery-powered devices.

Package

The M27C256B-45XF1 is available in a standard dual in-line package (DIP) format.

Essence

The essence of this product lies in its ability to provide reliable and non-volatile data storage in various electronic applications.

Packaging/Quantity

The M27C256B-45XF1 is typically sold in reels or tubes, with each containing a specific quantity of devices. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Memory Type: EPROM (Erasable Programmable Read-Only Memory)
• Organization: 32K x 8 bits
• Supply Voltage: 4.5V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Programming Time: 100µs per byte
• Erase Time: 10ms per chip
• Data Retention: 20 years

Detailed Pin Configuration

The M27C256B-45XF1 has a total of 28 pins. Here is the detailed pin configuration:

1. A15: 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. VPP: Programming Voltage Input
12. E: Chip Enable Input
13. G: Output Enable Input
14. Q7-Q0: Data Output
15. VCC: Supply Voltage
16. Q15-Q8: Data Output
17. A14: Address Input
18. A13: Address Input
19. A8: Address Input
20. A9: Address Input
21. A11: Address Input
22. A10: Address Input
23. CE: Chip Enable Input
24. OE: Output Enable Input
25. NC: No Connection
26. GND: Ground
27. NC: No Connection
28. NC: No Connection

Functional Features

The M27C256B-45XF1 offers the following functional features:

• High-speed access: The device provides fast read and write operations, allowing for efficient data retrieval and storage.
• 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 memory ensures that stored data remains intact even in the absence of power.
• Low power consumption: The device operates at low power levels, making it suitable for energy-efficient applications.

Advantages and Disadvantages

Advantages

• Non-volatile memory ensures data retention without power supply.
• High storage capacity for a wide range of applications.
• Fast access time allows for quick data retrieval.
• Low power consumption extends battery life in portable devices.

Disadvantages

• Limited rewrite capability compared to other memory technologies.
• Erase and programming times are relatively longer.
• Higher cost compared to volatile memory alternatives.

Working Principles

The M27C256B-45XF1 is based on EPROM technology. It utilizes a grid of transistors to store data in a non-volatile manner. The stored data can be accessed by applying appropriate address inputs and control signals. During programming, the memory cells are electrically charged or discharged to represent the desired data. The device can retain the programmed data for an extended period without requiring power.

Detailed Application Field Plans

The M27C256B-45XF1 finds applications in various electronic systems, including but not limited to:

1. Embedded systems: Used for firmware storage in microcontrollers and microprocessors.
2. Industrial automation: Stores configuration data and program code for control systems.
3. Automotive electronics: Used for storing calibration data, firmware, and configuration settings in automotive modules.
4. Consumer electronics: Utilized in devices such as gaming consoles, set-top boxes, and audio equipment for data storage purposes.
5. Medical devices: Stores critical data and firmware in medical equipment like patient monitors and