NM27C256N120

Product Overview

• Category: Integrated Circuit (IC)
• Use: Non-volatile memory
• Characteristics: High-speed, electrically erasable programmable read-only memory (EEPROM)
• Package: DIP (Dual In-line Package)
• Essence: Stores and retrieves digital information even when power is turned off
• Packaging/Quantity: Available in tubes of 25 units

Specifications

• Memory Size: 256 kilobits (32 kilobytes)
• Access Time: 120 nanoseconds
• Supply Voltage: 5 volts
• Operating Temperature Range: -40°C to +85°C
• Data Retention: 10 years

Pin Configuration

The NM27C256N120 has a total of 28 pins. The pin configuration is as follows:

1. A15
2. A12
3. A7
4. A6
5. A5
6. A4
7. A3
8. A2
9. A1
10. A0
11. E (Chip Enable)
12. G (Output Enable)
13. Vss (Ground)
14. Q7
15. Q6
16. Q5
17. Q4
18. Q3
19. Q2
20. Q1
21. Q0
22. Vcc (+5V Power Supply)
23. A14
24. A13
25. A8
26. A9
27. A11
28. A10

Functional Features

• High-speed access and operation
• Electrically erasable and reprogrammable
• Non-volatile data storage
• Low power consumption
• Reliable and durable

Advantages and Disadvantages

Advantages: - Fast access time - Easy to use and program - Retains data even without power - Suitable for a wide range of applications

Disadvantages: - Limited storage capacity compared to other memory types - Requires careful handling to avoid damage

Working Principles

The NM27C256N120 is based on EEPROM technology. It uses a grid of floating-gate transistors to store digital information. The stored data can be read, erased, and reprogrammed electrically. When the chip enable (E) and output enable (G) pins are activated, the memory can be accessed by providing the appropriate address.

Detailed Application Field Plans

The NM27C256N120 is commonly used in various electronic devices and systems, including:

1. Microcontrollers
2. Embedded systems
3. Industrial control systems
4. Automotive electronics
5. Communication equipment
6. Consumer electronics

Alternative Models

Here are some alternative models that offer similar functionality:

1. AT28C256-15PU - Atmel Corporation
2. M27C256B-12F1 - STMicroelectronics
3. CAT28C256H13I-90T - ON Semiconductor
4. W27C256-45Z - Winbond Electronics

These alternatives provide comparable memory size, access time, and operating characteristics to the NM27C256N120.

In conclusion, the NM27C256N120 is a high-speed, electrically erasable programmable read-only memory (EEPROM) IC. It offers reliable non-volatile data storage and is widely used in various electronic applications. With its fast access time and easy programmability, it provides an efficient solution for storing and retrieving digital information.