AT28C16-15PC

Product Overview

Category

AT28C16-15PC belongs to the category of electrically erasable programmable read-only memory (EEPROM) chips.

Use

The AT28C16-15PC chip is primarily used for non-volatile storage of digital data in various electronic devices.

Characteristics

• Non-volatile: The stored data remains intact even when power is removed.
• Electrically erasable: The chip can be erased and reprogrammed electrically, eliminating the need for UV light exposure.
• High storage capacity: The AT28C16-15PC has a storage capacity of 16 kilobits (2 kilobytes).
• Low power consumption: The chip operates on low power, making it suitable for battery-powered devices.

Package

AT28C16-15PC is available in a 24-pin plastic dual in-line package (PDIP).

Essence

The essence of AT28C16-15PC lies in its ability to store and retrieve digital data reliably and efficiently.

Packaging/Quantity

The chip is typically packaged in tubes or trays, with each tube or tray containing a specific quantity of AT28C16-15PC chips.

Specifications

• Storage Capacity: 16 kilobits (2 kilobytes)
• Operating Voltage: 5V
• Access Time: 150 nanoseconds
• Data Retention: 10 years
• Endurance: 100,000 write cycles

Detailed Pin Configuration

The AT28C16-15PC chip has a total of 24 pins. The pin configuration is 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
10. A8 - Address Input
11. CE - Chip Enable
12. OE - Output Enable
13. WE - Write Enable
14. I/O0 - Data Input/Output
15. I/O1 - Data Input/Output
16. I/O2 - Data Input/Output
17. I/O3 - Data Input/Output
18. I/O4 - Data Input/Output
19. I/O5 - Data Input/Output
20. I/O6 - Data Input/Output
21. I/O7 - Data Input/Output
22. NC - No Connection
23. GND - Ground
24. NC - No Connection

Functional Features

• Random Access: The chip allows random access to any memory location for read or write operations.
• Byte-Level Operations: It supports byte-level read and write operations, providing flexibility in data manipulation.
• Hardware Protection: AT28C16-15PC features a hardware protection mechanism to prevent accidental writes to the memory.
• High-Speed Operation: With an access time of 150 nanoseconds, the chip ensures fast data retrieval.

Advantages and Disadvantages

Advantages

• Non-volatile storage ensures data integrity even during power loss.
• Electrically erasable and reprogrammable, eliminating the need for specialized equipment.
• Low power consumption makes it suitable for battery-powered devices.
• High endurance with 100,000 write cycles.

Disadvantages

• Limited storage capacity compared to other memory technologies.
• Relatively slower access time compared to some modern memory chips.
• Higher cost per kilobit compared to other memory options.

Working Principles

AT28C16-15PC utilizes a floating-gate transistor technology to store and retrieve digital data. The chip consists of an array of memory cells, each capable of storing a single bit of information. Data is written to the memory by applying appropriate voltage levels to the address and data pins while enabling the write operation. Reading data involves selecting the desired memory location and enabling the output enable pin.

Detailed Application Field Plans

AT28C16-15PC finds applications in various electronic devices that require non-volatile storage, such as: - Microcontrollers - Embedded systems - Industrial control systems - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to AT28C16-15PC include: - AT28C64B-15PU: 64 kilobit EEPROM with similar characteristics and package. - AT28C256-15PU: 256 kilobit EEPROM with higher storage capacity. - AT28HC256-12PC: 256 kilobit EEPROM with extended temperature range.

These alternative models offer different storage capacities and features to cater to specific application requirements.

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