AT27C2048-15PI

Product Overview

Category

AT27C2048-15PI belongs to the category of programmable read-only memory (PROM) chips.

Use

This chip is commonly used for storing permanent data that cannot be modified or erased. It is widely utilized in various electronic devices and systems.

Characteristics

• Non-volatile: The stored data remains intact even when power is turned off.
• High storage capacity: The AT27C2048-15PI has a capacity of 2,048 kilobits (256 kilobytes).
• Fast access time: It operates at a speed of 150 nanoseconds.
• Low power consumption: The chip is designed to consume minimal power during operation.

Package

The AT27C2048-15PI is available in a 28-pin plastic dual in-line package (PDIP).

Essence

The essence of this PROM chip lies in its ability to store large amounts of data permanently, making it an essential component in many electronic systems.

Packaging/Quantity

The AT27C2048-15PI is typically packaged in tubes or trays, with each tube or tray containing a specific quantity of chips. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Memory Capacity: 2,048 kilobits (256 kilobytes)
• Access Time: 150 nanoseconds
• Supply Voltage: 5 volts
• Operating Temperature Range: -40°C to +85°C
• Package Type: 28-pin PDIP

Detailed Pin Configuration

The AT27C2048-15PI features the following pin configuration:

1. A16
2. A14
3. A12
4. A7
5. A6
6. A5
7. A4
8. A3
9. A2
10. A1
11. A0
12. E (Chip Enable)
13. G (Output Enable)
14. VCC (+5V Power Supply)
15. Q7
16. Q6
17. Q5
18. Q4
19. Q3
20. Q2
21. Q1
22. Q0
23. CE (Program Enable)
24. OE (Output Enable)
25. WE (Write Enable)
26. NC (No Connection)
27. VSS (Ground)
28. A8

Functional Features

• Read Operation: The AT27C2048-15PI allows for fast and reliable reading of stored data.
• Write Protection: The chip includes write protection features to prevent accidental modification or erasure of data.
• High Reliability: It offers high endurance and reliability, ensuring the integrity of stored data over an extended period.
• Easy Integration: The chip can be easily integrated into various electronic systems due to its standard pin configuration.

Advantages and Disadvantages

Advantages

• Non-volatile memory ensures data retention even during power loss.
• High storage capacity allows for storing large amounts of permanent data.
• Fast access time enables quick retrieval of information.
• Low power consumption minimizes energy usage.

Disadvantages

• Inability to modify or erase stored data limits flexibility.
• Limited write cycles may restrict certain applications requiring frequent data updates.
• Relatively larger physical size compared to other memory technologies.

Working Principles

The AT27C2048-15PI operates based on the principle of electrical charge trapping in a floating gate structure. The stored data is retained by trapping electrons in the floating gate, which prevents their escape during power-off periods. When a read operation is performed, the presence or absence of trapped electrons determines the output state of each memory cell.

Detailed Application Field Plans

The AT27C2048-15PI finds applications in various fields, including: 1. Embedded systems 2. Automotive electronics 3. Industrial control systems 4. Medical devices 5. Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to the AT27C2048-15PI include: - AT27C4096-12PC - AT28C256-15PU - AM27C010-120DC

These models offer similar functionality and characteristics, providing alternatives for different project requirements.

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