AT28C16E-20PC

Product Overview

Category

AT28C16E-20PC belongs to the category of electrically erasable programmable read-only memory (EEPROM) chips.

Use

The AT28C16E-20PC chip is primarily used for non-volatile data storage in various electronic devices. It allows for easy and efficient data retrieval even when power is turned off.

Characteristics

• Non-volatile: The stored data remains intact even when power is disconnected.
• Electrically erasable: The chip can be erased and reprogrammed multiple times.
• High storage capacity: The AT28C16E-20PC has a storage capacity of 16 kilobits.
• Low power consumption: The chip operates on low power, making it suitable for battery-powered devices.

Package

The AT28C16E-20PC chip is available in a 24-pin DIP (Dual Inline Package) format.

Essence

The essence of the AT28C16E-20PC chip lies in its ability to store and retrieve data reliably, even in the absence of power. This makes it an essential component in many electronic devices.

Packaging/Quantity

The AT28C16E-20PC chip is typically packaged individually or in reels, with each reel containing a specific quantity of chips.

Specifications

• Storage Capacity: 16 kilobits (2 kilobytes)
• Operating Voltage: 5V
• Access Time: 200 nanoseconds
• Erase/Write Cycles: 10,000 cycles
• Data Retention: 10 years
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The AT28C16E-20PC chip has a total of 24 pins, which are assigned specific functions 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. VCC: Power Supply (+5V)
10. A8: Address Input
11. A9: Address Input
12. A10: Address Input
13. OE: Output Enable
14. CE: Chip Enable
15. WE: Write Enable
16. I/O0: Data Input/Output
17. I/O1: Data Input/Output
18. I/O2: Data Input/Output
19. I/O3: Data Input/Output
20. I/O4: Data Input/Output
21. I/O5: Data Input/Output
22. I/O6: Data Input/Output
23. I/O7: Data Input/Output
24. GND: Ground

Functional Features

• High-speed operation: The AT28C16E-20PC chip offers fast access times, allowing for efficient data retrieval.
• Easy integration: The chip can be easily integrated into existing electronic systems due to its standard pin configuration and compatibility with common microcontrollers.
• Reliable data storage: The non-volatile nature of the chip ensures that stored data remains intact even during power interruptions or system failures.

Advantages and Disadvantages

Advantages

• Non-volatile memory allows for reliable data storage.
• Electrically erasable and reprogrammable, providing flexibility in data management.
• Low power consumption makes it suitable for battery-powered devices.
• High storage capacity meets the requirements of various applications.

Disadvantages

• Limited erase/write cycles (10,000 cycles) may restrict certain applications requiring frequent data modifications.
• Relatively slower access times compared to other types of memory.

Working Principles

The AT28C16E-20PC chip utilizes a combination of electronic circuits and memory cells to store and retrieve data. When the chip is powered on, the address lines are used to select a specific memory location. The data stored in that location can then be read or modified using the appropriate control signals (CE, OE, WE). The non-volatile nature of the chip ensures that the stored data remains intact even when power is disconnected.

Detailed Application Field Plans

The AT28C16E-20PC chip finds applications in various fields, including:

1. Embedded Systems: Used for storing firmware, configuration data, and calibration parameters in microcontroller-based systems.
2. Automotive Electronics: Employed in automotive control units for storing critical data such as engine parameters, fault codes, and vehicle identification information.
3. Industrial Automation: Utilized in programmable logic controllers (PLCs) for storing program instructions and data.
4. Consumer Electronics: Integrated into devices like smart TVs, set-top boxes, and gaming consoles for storing user preferences, settings, and firmware updates