AT28HC256-12TC

Product Overview

Category: Integrated Circuit (IC)

Use: The AT28HC256-12TC is a high-speed, low-power Electrically Erasable Programmable Read-Only Memory (EEPROM) IC. It is designed to store and retrieve digital information in various electronic systems.

Characteristics: - High-speed operation - Low power consumption - Non-volatile memory - Large storage capacity - Reliable data retention - Easy to interface with microcontrollers

Package: The AT28HC256-12TC is available in a 32-pin Thin Small Outline Package (TSOP). This package provides a compact form factor and allows for easy integration into electronic devices.

Essence: The essence of the AT28HC256-12TC lies in its ability to provide non-volatile memory storage with high-speed operation and low power consumption. It offers a reliable solution for storing critical data in electronic systems.

Packaging/Quantity: The AT28HC256-12TC is typically sold in reels or tubes, with each reel or tube containing a specific quantity of ICs. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Memory Size: 256 kilobits (32 kilobytes)
• Organization: 32K x 8 bits
• Supply Voltage: 2.7V - 5.5V
• Access Time: 120 ns
• Operating Temperature Range: -40°C to +85°C
• Data Retention: 10 years
• Write Endurance: 100,000 cycles

Pin Configuration

The AT28HC256-12TC has a total of 32 pins. The pin configuration is as follows:

1. A16
2. A15
3. A14
4. A13
5. A12
6. A7
7. A6
8. A5
9. A4
10. A3
11. A2
12. A1
13. A0
14. VCC
15. OE#
16. CE#
17. WE#
18. I/O0
19. I/O1
20. I/O2
21. I/O3
22. I/O4
23. I/O5
24. I/O6
25. I/O7
26. NC
27. GND
28. NC
29. NC
30. NC
31. NC
32. NC

Functional Features

• High-speed operation allows for fast data access and retrieval.
• Low power consumption makes it suitable for battery-powered devices.
• Non-volatile memory ensures that data is retained even when power is disconnected.
• Easy interfacing with microcontrollers simplifies integration into electronic systems.

Advantages and Disadvantages

Advantages: - High-speed operation enables quick data transfer. - Low power consumption prolongs battery life in portable devices. - Non-volatile memory ensures data retention without the need for constant power supply. - Easy interfacing simplifies integration into existing systems.

Disadvantages: - Limited storage capacity compared to other memory technologies. - Relatively higher cost per bit compared to some alternative memory solutions. - Limited write endurance may require careful management of write operations.

Working Principles

The AT28HC256-12TC utilizes EEPROM technology to store and retrieve digital information. It employs a combination of electrically controlled gates and floating gate transistors to store data in non-volatile memory cells. The stored data can be accessed and modified using specific control signals provided by the microcontroller or system.

Detailed Application Field Plans

The AT28HC256-12TC finds applications in various electronic systems, including but not limited to: - Embedded systems - Automotive electronics - Industrial control systems - Consumer electronics - Medical devices

Its high-speed operation, low power consumption, and non-volatile memory characteristics make it suitable for applications that require reliable data storage and retrieval.

Detailed and Complete Alternative Models

1. AT28C256-15PU: Similar to the AT28HC256-12TC, this model offers a 256 kilobit EEPROM with an access time of 150 ns.
2. AT28BV256-20TU: This alternative model provides a 256 kilobit EEPROM with an access time of 200 ns and operates at a lower voltage range of 2.7V - 3.6V.
3. AT28HC256E-90TI: This model offers a 256 kilobit EEPROM with an access time of 90 ns and operates at a wider temperature range of -40°C to +125°C.

These alternative models provide options with different specifications to cater to specific application requirements.

In conclusion, the AT28HC256-12TC is a high-speed, low-power EEPROM IC that offers