AT29C020-70TU

Product Overview

Category: Integrated Circuit (IC)

Use: The AT29C020-70TU 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 and systems that require non-volatile storage.

Characteristics: - High performance - Low power consumption - Electrically erasable and reprogrammable - Non-volatile storage - Large storage capacity (2 megabits) - Compact package size

Package: The AT29C020-70TU is available in a surface mount 32-lead TSOP (Thin Small Outline Package), which ensures easy integration into circuit boards and space-saving design.

Essence: The essence of the AT29C020-70TU lies in its ability to provide reliable and non-volatile storage for electronic devices, allowing for data retention even when power is disconnected.

Packaging/Quantity: The AT29C020-70TU is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Memory Size: 2 Megabits (256K x 8)
• Supply Voltage: 2.7V - 5.5V
• Operating Temperature Range: -40°C to +85°C
• Access Time: 70 nanoseconds
• Standby Current: 100 microamperes (max)
• Programming Time: 10 milliseconds (typical)
• Data Retention: 20 years (minimum)

Detailed Pin Configuration

The AT29C020-70TU has a total of 32 pins, each serving a specific function. Here is the detailed pin configuration:

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. VCC - Power Supply
30. A14 - Address Input
31. A13 - Address Input
32. A8 - Address Input

Functional Features

The AT29C020-70TU offers several functional features that make it a versatile and reliable memory solution:

1. Electrically Erasable: The EEPROM can be electrically erased and reprogrammed, allowing for easy updates and modifications to stored data.
2. Low Power Consumption: The IC operates at low power levels, making it suitable for battery-powered devices and energy-efficient applications.
3. High Performance: With an access time of 70 nanoseconds, the AT29C020-70TU provides fast read and write operations, ensuring efficient data retrieval and storage.
4. Data Retention: The memory retains stored data for a minimum of 20 years, ensuring long-term reliability and data integrity.

Advantages and Disadvantages

Advantages: - Electrically erasable and reprogrammable - Low power consumption - High performance - Large storage capacity - Compact package size - Long-term data retention

Disadvantages: - Limited maximum operating temperature range (-40°C to +85°C) - Requires external power supply

Working Principles

The AT29C020-70TU operates based on the principles of electrically erasable programmable read-only memory (EEPROM). It utilizes a combination of electronic circuits and non-volatile memory cells to store and retrieve data. When powered on, the IC allows for reading and writing operations through specific control signals, enabling data transfer between the device and the connected system.

Detailed Application Field Plans

The AT29C020-70TU finds applications in various fields that require non-volatile storage, including but not limited to:

1. Consumer Electronics: Used in digital cameras, portable media