AT29C040A-15PC

Product Overview

Category: Integrated Circuit (IC)

Use: The AT29C040A-15PC is a 4-megabit (512K x 8) electrically erasable programmable read-only memory (EEPROM) IC. It is commonly used for non-volatile storage in various electronic devices.

Characteristics: - Non-volatile memory - Electrically erasable and programmable - High storage capacity of 4 megabits - Low power consumption - Fast access time

Package: The AT29C040A-15PC is available in a 32-pin plastic DIP (Dual In-line Package) format.

Essence: This IC provides reliable and non-volatile storage capabilities, allowing data to be stored even when power is removed from the device.

Packaging/Quantity: The AT29C040A-15PC is typically packaged in tubes or trays, with quantities varying based on customer requirements.

Specifications

• Memory Size: 4 Megabits (512K x 8)
• Supply Voltage: 5V
• Access Time: 150 ns
• Operating Temperature Range: -40°C to +85°C
• Data Retention: 10 years
• Endurance: 10,000 erase/write cycles

Pin Configuration

The AT29C040A-15PC has a total of 32 pins, which are assigned specific functions as follows:

1. A16
2. A14
3. A12
4. A7
5. A6
6. A5
7. A4
8. A3
9. A2
10. A1
11. A0
12. VPP
13. OE#
14. CE#
15. WE#
16. NC
17. I/O0
18. I/O1
19. I/O2
20. I/O3
21. I/O4
22. I/O5
23. I/O6
24. I/O7
25. VCC
26. GND
27. A15
28. A13
29. A8
30. A9
31. A11
32. A10

Functional Features

• Electrically erasable and programmable memory
• High-speed access for efficient data retrieval
• Low power consumption for energy efficiency
• Reliable data retention for long-term storage
• Easy integration into various electronic devices

Advantages and Disadvantages

Advantages: - Non-volatile storage ensures data integrity even during power loss - High storage capacity allows for storing large amounts of data - Fast access time enables quick retrieval of information - Low power consumption prolongs battery life in portable devices

Disadvantages: - Limited endurance with a maximum of 10,000 erase/write cycles - Relatively higher cost compared to other types of memory - Requires careful handling during programming and erasing operations

Working Principles

The AT29C040A-15PC utilizes electrically erasable programmable read-only memory (EEPROM) technology. It stores data by trapping charges within floating gate transistors. These charges can be erased or programmed using electrical signals applied to specific pins.

During read operations, the stored data is accessed by providing the appropriate address and control signals. The retrieved data is then available on the output pins for further processing.

Detailed Application Field Plans

The AT29C040A-15PC finds applications in various electronic systems, including but not limited to: - Microcontrollers - Embedded systems - Automotive electronics - Industrial control systems - Communication devices

Its non-volatile nature and high storage capacity make it suitable for storing firmware, configuration data, and other critical information in these applications.

Alternative Models

1. AT29C040A-12PC: Similar to the AT29C040A-15PC but with a faster access time of 120 ns.
2. AT29C040A-20PC: Similar to the AT29C040A-15PC but with a slower access time of 200 ns.
3. AT29C040A-25PC: Similar to the AT29C040A-15PC but with a slower access time of 250 ns.

These alternative models provide flexibility in choosing the appropriate access time based on specific application requirements.

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