XC17256EPC20C

Product Overview

Category: Integrated Circuit (IC)

Use: Memory chip

Characteristics: - Non-volatile memory - High storage capacity - Low power consumption - Fast access time

Package: Plastic DIP (Dual In-line Package)

Essence: The XC17256EPC20C is a memory chip that provides non-volatile storage with high capacity and fast access time.

Packaging/Quantity: The XC17256EPC20C is packaged in a plastic DIP package and is available in quantities of one unit per package.

Specifications

The specifications of the XC17256EPC20C are as follows:

• Storage Capacity: 256 kilobits (32 kilobytes)
• Organization: 32,768 words x 8 bits
• Access Time: 200 nanoseconds
• Supply Voltage: 5 volts
• Operating Temperature Range: -40°C to +85°C
• Data Retention: More than 10 years

Detailed Pin Configuration

The XC17256EPC20C has a total of 28 pins. The pin configuration is as follows:

1. A14
2. A12
3. A7
4. A6
5. A5
6. A4
7. A3
8. A2
9. A1
10. A0
11. VSS (Ground)
12. CE (Chip Enable)
13. OE (Output Enable)
14. WE (Write Enable)
15. I/O0
16. I/O1
17. I/O2
18. I/O3
19. I/O4
20. I/O5
21. I/O6
22. I/O7
23. NC (No Connection)
24. VCC (Supply Voltage)
25. A8
26. A9
27. A11
28. A13

Functional Features

The XC17256EPC20C offers the following functional features:

• Non-volatile storage: The data stored in the chip is retained even when power is removed.
• High storage capacity: With a capacity of 256 kilobits, it can store a large amount of data.
• Fast access time: The chip provides quick access to stored data with an access time of 200 nanoseconds.
• Low power consumption: It operates on a low supply voltage of 5 volts, resulting in energy efficiency.

Advantages and Disadvantages

Advantages: - Non-volatile memory ensures data retention even during power loss. - High storage capacity allows for storing large amounts of data. - Fast access time enables quick retrieval of information. - Low power consumption reduces energy usage.

Disadvantages: - Limited storage capacity compared to modern memory chips. - Relatively slower access time compared to newer memory technologies.

Working Principles

The XC17256EPC20C utilizes electrically erasable programmable read-only memory (EEPROM) technology. It stores data using floating-gate transistors that can be electrically programmed and erased. When data is written to the chip, charges are trapped in the floating gate, representing binary values. These charges can be read back later to retrieve the stored information.

Detailed Application Field Plans

The XC17256EPC20C can be used in various applications, including but not limited to: - Embedded systems - Industrial control systems - Automotive electronics - Consumer electronics - Communication devices

Its non-volatile nature makes it suitable for applications where data integrity is crucial, such as storing configuration settings, firmware, or critical data that needs to be retained even during power outages.

Detailed and Complete Alternative Models

Some alternative models to the XC17256EPC20C that offer similar functionality and features include: - AT28C256-15PU by Atmel - M27C256B-12F1 by STMicroelectronics - 27C256-20/P by Microchip Technology

These alternatives provide comparable storage capacity, access time, and package options, allowing users to choose the most suitable option for their specific requirements.

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