AT29C020-12TC

Product Overview

Category: Integrated Circuit (IC)

Use: The AT29C020-12TC is a high-performance, low-power CMOS 2-megabit (256K x 8) electrically erasable programmable read-only memory (EEPROM). It is designed for use in various electronic devices that require non-volatile storage.

Characteristics: - High-performance CMOS technology - Low power consumption - Fast erase and write times - Wide operating voltage range - High reliability and endurance - Small form factor

Package: The AT29C020-12TC is available in a 32-lead Thin Shrink Small Outline Package (TSOP). This package offers excellent thermal performance and compact size, making it suitable for space-constrained applications.

Essence: The essence of the AT29C020-12TC lies in its ability to provide reliable and non-volatile storage for electronic devices. It allows for easy and efficient data storage and retrieval, enhancing the overall functionality of the devices it is used in.

Packaging/Quantity: The AT29C020-12TC is typically sold in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Memory Size: 2 megabits (256K x 8)
• Operating Voltage: 2.7V - 5.5V
• Access Time: 120 ns
• Erase/Write Cycles: 10,000 minimum
• Data Retention: 10 years minimum
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The AT29C020-12TC features a 32-pin configuration. Below is a detailed pinout description:

1. A16 - Address Input
2. A15 - Address Input
3. A12 - Address Input
4. A7 - Address Input
5. A6 - Address Input
6. A5 - Address Input
7. A4 - Address Input
8. A3 - Address Input
9. A2 - Address Input
10. A1 - Address Input
11. A0 - Address Input
12. VCC - Power Supply
13. OE - Output Enable
14. CE - Chip Enable
15. WE - Write Enable
16. I/O0 - Data Input/Output
17. I/O1 - Data Input/Output
18. I/O2 - Data Input/Output
19. I/O3 - Data Input/Output
20. I/O4 - Data Input/Output
21. I/O5 - Data Input/Output
22. I/O6 - Data Input/Output
23. I/O7 - Data Input/Output
24. NC - No Connection
25. GND - Ground
26. RP - Ready/Busy Output
27. RESET - Reset Input
28. WP - Write Protect Input
29. A14 - Address Input
30. A13 - Address Input
31. A8 - Address Input
32. A9 - Address Input

Functional Features

The AT29C020-12TC offers the following functional features:

1. High-speed access: The low access time of 120 ns ensures fast data retrieval and storage.
2. Easy integration: The IC can be easily integrated into various electronic devices due to its compact size and standard pin configuration.
3. Low power consumption: The CMOS technology used in the AT29C020-12TC ensures minimal power consumption, making it suitable for battery-powered devices.
4. Reliable data retention: The EEPROM provides a minimum data retention period of 10 years, ensuring long-term reliability of stored information.
5. Versatile interface: The IC supports a wide range of input and output voltages, allowing for compatibility with different systems.

Advantages and Disadvantages

Advantages: - High-performance CMOS technology ensures fast access times. - Low power consumption extends battery life in portable devices. - Compact package size enables integration into space-constrained applications. - Reliable data retention ensures long-term storage reliability. - Versatile interface allows for compatibility with various systems.

Disadvantages: - Limited memory size (2 megabits) may not be sufficient for certain applications requiring larger storage capacity. - Erase/write cycles limited to 10,000 minimum, which may restrict frequent data modifications in some scenarios.

Working Principles

The AT29C020-12TC utilizes electrically erasable programmable read-only memory (EEPROM) technology. It stores data by trapping electrical charges within floating gate transistors. These charges can be erased or programmed using specific voltage levels applied to the control pins. When reading data, the stored charges are detected and converted back into digital information.

Detailed Application Field Plans

The AT29C020-12