AT28HC256E-90TC

Product Overview

Category

AT28HC256E-90TC belongs to the category of high-speed, high-density Electrically Erasable Programmable Read-Only Memory (EEPROM) chips.

Use

This product is primarily used for non-volatile data storage in various electronic devices such as microcontrollers, computers, and consumer electronics.

Characteristics

• High-speed operation
• High-density storage capacity
• Non-volatile memory
• Electrically erasable and programmable
• Low power consumption

Package

AT28HC256E-90TC comes in a Thin Small Outline Package (TSOP) which ensures compactness and ease of integration into electronic circuits.

Essence

The essence of AT28HC256E-90TC lies in its ability to provide reliable and efficient non-volatile data storage with high-speed operation and high-density storage capacity.

Packaging/Quantity

This product is typically packaged in reels or tubes, containing a specific quantity of chips per package. The exact packaging and quantity may vary depending on the manufacturer's specifications.

Specifications

• Part Number: AT28HC256E-90TC
• Memory Type: Electrically Erasable Programmable Read-Only Memory (EEPROM)
• Organization: 32K x 8 bits
• Operating Voltage: 2.7V - 5.5V
• Access Time: 90ns
• Data Retention: 10 years
• Endurance: 100,000 write cycles
• Package Type: Thin Small Outline Package (TSOP)

Detailed Pin Configuration

The AT28HC256E-90TC chip has a total of 28 pins. The pin configuration is as follows:

1. A16
2. A15
3. A12
4. A7
5. A6
6. A5
7. A4
8. A3
9. A2
10. A1
11. A0
12. VCC
13. OE#
14. CE#
15. WE#
16. I/O0
17. I/O1
18. I/O2
19. I/O3
20. I/O4
21. I/O5
22. I/O6
23. I/O7
24. NC
25. GND
26. A8
27. A9
28. A11

Functional Features

• High-speed operation allows for fast read and write access to the memory.
• High-density storage capacity enables the storage of a large amount of data in a compact chip.
• Electrically erasable and programmable memory allows for easy modification of stored data.
• Low power consumption ensures efficient use of energy in electronic devices.

Advantages and Disadvantages

Advantages

• Fast access time enables quick retrieval of data.
• High-density storage capacity provides ample space for data storage.
• Electrically erasable and programmable memory allows for flexibility in data modification.
• Low power consumption helps conserve energy in electronic devices.

Disadvantages

• Limited endurance with a maximum of 100,000 write cycles.
• Relatively high cost compared to other types of memory chips.
• Requires an external power supply for operation.

Working Principles

AT28HC256E-90TC operates based on the principles of EEPROM technology. It utilizes electrically controlled floating gate transistors to store and retrieve data. The memory cells are organized into a matrix of rows and columns, with each cell capable of storing one bit of information. Data can be written to or read from the memory by applying appropriate voltage levels to the control pins.

Detailed Application Field Plans

AT28HC256E-90TC finds applications in various electronic devices and systems, including but not limited to: - Microcontrollers - Computers - Consumer electronics - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to AT28HC256E-90TC include: - AT28C256-15PU - AT28C256-20PI - AT28C256-25PC - AT28C256-30DM/883

These alternative models may have different specifications and characteristics, so it is important to choose the one that best suits the specific requirements of the application.

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