AT27C2048-90PC

Product Overview

Category: Integrated Circuit (IC)

Use: The AT27C2048-90PC is a high-performance, low-power, 2-megabit (256K x 8) electrically erasable programmable read-only memory (EEPROM). It is designed to store and retrieve data in various electronic systems.

Characteristics: - High performance - Low power consumption - Large storage capacity - Electrically erasable and reprogrammable - Reliable and durable

Package: The AT27C2048-90PC comes in a 32-pin plastic dual in-line package (PDIP), which provides easy integration into electronic circuits.

Essence: This IC serves as a non-volatile memory solution for storing critical data in electronic devices. It allows for easy data retrieval and modification without the need for external power.

Packaging/Quantity: The AT27C2048-90PC is typically sold in reels or tubes, with each reel/tube containing a specific quantity of ICs. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Memory Size: 2 Megabits (256 Kilobytes)
• Organization: 256K x 8 bits
• Access Time: 90 nanoseconds
• Supply Voltage: 4.5V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Erase/Program Cycle Endurance: 10,000 cycles

Pin Configuration

The AT27C2048-90PC features a 32-pin configuration. Below is a detailed pinout description:

```

Pin Name Description

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

Functional Features

• High-speed access: The AT27C2048-90PC offers fast access times, allowing for efficient data retrieval and processing.
• Low power consumption: This IC is designed to minimize power usage, making it suitable for battery-powered devices.
• Easy integration: The 32-pin PDIP package enables straightforward integration into electronic circuits.
• Reliable data storage: The EEPROM technology ensures reliable and durable data storage, even in harsh operating conditions.

Advantages and Disadvantages

Advantages: - Large storage capacity - Electrically erasable and reprogrammable - High performance and low power consumption - Reliable and durable data storage

Disadvantages: - Limited erase/program cycle endurance (10,000 cycles) - Relatively higher cost compared to other memory technologies

Working Principles

The AT27C2048-90PC utilizes EEPROM technology, which allows for electrically erasing and reprogramming the memory cells. It stores data in a grid of memory cells that can be individually addressed and modified. The IC operates by applying appropriate voltage levels to the address, control, and data pins, enabling read, write, and erase operations.

Application Field Plans

The AT27C2048-90PC finds applications in various electronic systems, including but not limited to: - Microcontrollers - Embedded systems - Automotive electronics - Industrial control systems - Communication devices

Alternative Models

For those seeking alternative options, the following models provide similar functionality to the AT27C2048-90PC: - AT28C256-15PC - AT29C010A-12PC - AM29F040B-90PC - SST39SF020A-70-4C-PHE

These alternative models