AT27BV020-15TC

Product Overview

Category: Integrated Circuit (IC)

Use: The AT27BV020-15TC 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 memory storage.

Characteristics: - High-performance CMOS technology - Low power consumption - Fast access time - Electrically erasable and programmable - Non-volatile memory

Package: The AT27BV020-15TC is available in a 32-lead Thin Small Outline Package (TSOP) with a thickness of 1.2mm. The package provides excellent thermal performance and is suitable for surface mount applications.

Essence: The essence of the AT27BV020-15TC lies in its ability to store data reliably in a non-volatile manner, allowing for easy retrieval and modification when required.

Packaging/Quantity: The AT27BV020-15TC is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Memory Size: 2 megabits (256K x 8)
• Supply Voltage: 2.7V - 3.6V
• Access Time: 150ns
• Standby Current: 100μA (max)
• Operating Temperature Range: -40°C to +85°C
• Data Retention: 10 years (minimum)

Pin Configuration

The AT27BV020-15TC has a total of 32 pins, which are assigned specific functions as follows:

```

Pin Name Function

1 A0 Address Input 2 A1 Address Input 3 A2 Address Input 4 A3 Address Input 5 A4 Address Input 6 A5 Address Input 7 A6 Address Input 8 A7 Address Input 9 VSS Ground 10 A8 Address Input 11 A9 Address Input 12 A10 Address Input 13 A11 Address Input 14 CE Chip Enable 15 OE Output Enable 16 WE Write Enable 17 I/O0 Data Input/Output 18 I/O1 Data Input/Output 19 I/O2 Data Input/Output 20 I/O3 Data Input/Output 21 I/O4 Data Input/Output 22 I/O5 Data Input/Output 23 I/O6 Data Input/Output 24 I/O7 Data Input/Output 25 NC No Connection 26 VCC Power Supply 27 WP Write Protect 28 RP Reset/Power-On Reset 29 A12 Address Input 30 A13 Address Input 31 A14 Address Input 32 A15 Address Input ```

Functional Features

• High-speed access: The AT27BV020-15TC offers fast access times, allowing for efficient data retrieval and modification.
• Low power consumption: This IC is designed to minimize power consumption, making it suitable for battery-powered devices.
• Electrically erasable and programmable: The EEPROM can be easily erased and reprogrammed electrically, eliminating the need for external programming equipment.
• Non-volatile memory: The stored data remains intact even when power is removed, ensuring reliable data retention.

Advantages and Disadvantages

Advantages: - High-performance CMOS technology ensures fast and reliable operation. - Low power consumption extends battery life in portable devices. - Electrically erasable and programmable capability allows for easy data modification. - Non-volatile memory ensures data retention even during power loss.

Disadvantages: - Limited storage capacity of 2 megabits may not be sufficient for certain applications requiring larger memory sizes. - Relatively higher cost compared to other non-volatile memory options such as flash memory.

Working Principles

The AT27BV020-15TC utilizes CMOS technology to store data in a non-volatile manner. It consists of an array of floating-gate transistors that can be electrically programmed and erased. The stored data is retained even when the power supply is disconnected, making it ideal for applications where persistent memory is required.

Detailed Application Field Plans

The AT27BV020-15TC finds applications in various electronic devices, including but not limited to: 1. Consumer electronics: Used in digital cameras, set-top boxes, and portable media players for storing firmware, configuration data, and user settings. 2. Automotive systems: Employed in automotive control units for storing calibration data,