AT29C040A-12TI

Product Overview

Category: Integrated Circuit (IC)

Use: The AT29C040A-12TI is a high-performance, low-power 4-megabit (512K 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 - Low power consumption - Large storage capacity - Electrically erasable and programmable - Reliable data retention

Package: The AT29C040A-12TI is available in a 32-lead Thin Small Outline Package (TSOP), which provides a compact and space-saving form factor.

Essence: This IC serves as a reliable and efficient solution for storing critical data in electronic devices. It offers the ability to store and retrieve information even when power is removed, making it ideal for applications where non-volatile memory is required.

Packaging/Quantity: The AT29C040A-12TI is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Memory Size: 4 Megabits (512 Kilobytes)
• Organization: 512K x 8 bits
• Supply Voltage: 2.7V - 5.5V
• Access Time: 120 ns
• Operating Temperature Range: -40°C to +85°C
• Erase/Program Cycles: 10,000 minimum
• Data Retention: 20 years minimum

Pin Configuration

The AT29C040A-12TI features a 32-pin configuration. Here is a detailed pinout:

┌───┬───────────────┐ │Pin│ Name │ ├───┼───────────────┤ │ 1 │ A16 │ │ 2 │ A14 │ │ 3 │ A12 │ │ 4 │ A7 │ │ 5 │ A6 │ │ 6 │ A5 │ │ 7 │ A4 │ │ 8 │ A3 │ │ 9 │ A2 │ │10 │ A1 │ │11 │ A0 │ │12 │ VSS │ │13 │ OE# │ │14 │ CE# │ │15 │ WE# │ │16 │ I/O0 │ │17 │ I/O1 │ │18 │ I/O2 │ │19 │ I/O3 │ │20 │ I/O4 │ │21 │ I/O5 │ │22 │ I/O6 │ │23 │ I/O7 │ │24 │ NC │ │25 │ A15 │ │26 │ A13 │ │27 │ A8 │ │28 │ A9 │ │29 │ A11 │ │30 │ A10 │ │31 │ VCC │ │32 │ RP# │ └───┴───────────────┘

Functional Features

The AT29C040A-12TI offers the following functional features:

• High-speed access and data transfer
• Easy integration into existing circuit designs
• Low power consumption for extended battery life
• Reliable data retention, ensuring data integrity over time
• Built-in protection mechanisms against accidental erasure or programming

Advantages and Disadvantages

Advantages: - Large storage capacity - High performance and reliability - Low power consumption - Easy integration into existing designs - Long data retention period

Disadvantages: - Limited erase/program cycles (10,000 minimum) - Relatively slower access time compared to some newer memory technologies

Working Principles

The AT29C040A-12TI utilizes electrically erasable programmable read-only memory (EEPROM) technology. It stores data by trapping electrical charges in a floating gate structure, which can be erased and reprogrammed using specific voltage levels. The stored data remains intact even when power is removed.

During operation, the IC receives commands through control pins (CE#, OE#, WE#) and address inputs (A0-A16). Data is read from or written to the memory array through the I/O pins (I/O0-I/O7).

Detailed Application Field Plans

The AT29C040A-12TI finds applications in various electronic devices that require non-volatile memory for storing critical