AT28C16E-15PI

Product Overview

Category

AT28C16E-15PI belongs to the category of electrically erasable programmable read-only memory (EEPROM) chips.

Use

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

Characteristics

• Non-volatile: The data stored in AT28C16E-15PI remains even when power is removed.
• Electrically erasable: The memory can be erased and reprogrammed electronically.
• High storage capacity: AT28C16E-15PI has a storage capacity of 16 kilobits (2 kilobytes).
• Low power consumption: This chip operates at low power levels, making it suitable for battery-powered devices.

Package

AT28C16E-15PI is available in a 24-pin DIP (Dual Inline Package) format.

Essence

The essence of AT28C16E-15PI lies in its ability to store and retrieve digital information reliably and efficiently.

Packaging/Quantity

This product is typically packaged in tubes or trays, with quantities varying based on customer requirements.

Specifications

• Supply voltage: 4.5V to 5.5V
• Operating temperature range: -40°C to +85°C
• Access time: 150 nanoseconds
• Endurance: 1,000,000 write cycles
• Data retention: 10 years

Detailed Pin Configuration

The AT28C16E-15PI chip has 24 pins, each serving a specific function. Here is the detailed pin configuration:

1. A0: Address input bit 0
2. A1: Address input bit 1
3. A2: Address input bit 2
4. A3: Address input bit 3
5. A4: Address input bit 4
6. A5: Address input bit 5
7. A6: Address input bit 6
8. A7: Address input bit 7
9. CE: Chip Enable (active low)
10. OE: Output Enable (active low)
11. WE: Write Enable (active low)
12. VSS: Ground
13. DQ0: Data input/output bit 0
14. DQ1: Data input/output bit 1
15. DQ2: Data input/output bit 2
16. DQ3: Data input/output bit 3
17. DQ4: Data input/output bit 4
18. DQ5: Data input/output bit 5
19. DQ6: Data input/output bit 6
20. DQ7: Data input/output bit 7
21. VCC: Supply voltage
22. NC: No connection
23. NC: No connection
24. NC: No connection

Functional Features

• Byte-wise programmable: AT28C16E-15PI allows individual bytes to be programmed or erased.
• High-speed operation: The chip offers fast access times, enabling efficient data retrieval and storage.
• Automatic write timing: The device handles the internal write timing automatically, simplifying the programming process.
• Software and hardware data protection: AT28C16E-15PI provides mechanisms to protect stored data from accidental modification.

Advantages and Disadvantages

Advantages

• Non-volatile memory ensures data retention even during power loss.
• Electrically erasable and reprogrammable, allowing for flexibility in data storage.
• Low power consumption makes it suitable for battery-powered devices.
• High endurance and long data retention period ensure reliable performance over time.

Disadvantages

• Limited storage capacity compared to other memory technologies.
• Relatively slower access times compared to some modern memory devices.
• Higher cost per bit compared to certain alternative memory solutions.

Working Principles

AT28C16E-15PI utilizes a combination of electronic circuits and floating gate transistors to store and retrieve data. When programming, an electric charge is applied to the floating gate, altering its electrical characteristics. This change allows the transistor to represent either a "0" or a "1" bit. The stored information can be read by applying appropriate voltage levels to the chip's pins.

Detailed Application Field Plans

AT28C16E-15PI finds applications in various fields, including:

1. Microcontrollers: Used for storing firmware, configuration data, and calibration values.
2. Computers: Employed in BIOS chips and other non-volatile memory requirements.
3. Consumer Electronics: Utilized in devices such as smart TVs, set-top boxes, and gaming consoles for data storage purposes.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to AT28C16E-15PI include:

1. AT28C64B