AT27LV040A-90TC

Product Overview

Category: Integrated Circuit (IC)

Use: The AT27LV040A-90TC is a high-performance, low-power 4-megabit (4M) electrically erasable programmable read-only memory (EEPROM) IC. It is designed for use in various electronic devices that require non-volatile memory storage.

Characteristics: - High performance - Low power consumption - Large storage capacity (4M) - Electrically erasable and programmable - Reliable data retention

Package: The AT27LV040A-90TC is available in a Thin Small Outline Package (TSOP) with 32 pins. This package offers compactness and ease of integration into electronic circuits.

Essence: The essence of the AT27LV040A-90TC is its ability to store and retain data even when power is removed. This makes it ideal for applications where non-volatile memory is required.

Packaging/Quantity: The AT27LV040A-90TC is typically sold in reels or tubes containing multiple units. The exact quantity depends on the supplier and customer requirements.

Specifications

• Memory Capacity: 4 megabits (512 kilobytes)
• Operating Voltage: 2.7V - 3.6V
• Access Time: 90 nanoseconds
• Standby Current: 100 microamps (typical)
• Operating Temperature Range: -40°C to +85°C
• Data Retention: 10 years (minimum)

Pin Configuration

The AT27LV040A-90TC has a total of 32 pins. The pin configuration is as follows:

1. A0
2. A1
3. A2
4. A3
5. A4
6. A5
7. A6
8. A7
9. A8
10. A9
11. A10
12. A11
13. A12
14. A13
15. A14
16. A15
17. /OE (Output Enable)
18. /CE (Chip Enable)
19. /WE (Write Enable)
20. VSS (Ground)
21. DQ0 (Data Input/Output 0)
22. DQ1 (Data Input/Output 1)
23. DQ2 (Data Input/Output 2)
24. DQ3 (Data Input/Output 3)
25. DQ4 (Data Input/Output 4)
26. DQ5 (Data Input/Output 5)
27. DQ6 (Data Input/Output 6)
28. DQ7 (Data Input/Output 7)
29. VCC (Power Supply)
30. NC (No Connection)
31. NC (No Connection)
32. /WP (Write Protect)

Functional Features

The AT27LV040A-90TC offers the following functional features:

1. High-speed access: The IC provides fast access to stored data with an access time of 90 nanoseconds.
2. Low power consumption: It operates on a low voltage range and consumes minimal power, making it suitable for battery-powered devices.
3. Electrically erasable and programmable: The EEPROM can be easily erased and reprogrammed electrically, allowing for flexible data storage and updates.
4. Reliable data retention: The IC ensures long-term data retention for up to 10 years, ensuring the integrity of stored information.

Advantages and Disadvantages

Advantages: - High-performance access speed - Low power consumption - Large storage capacity - Easy electrical erasure and programming - Reliable data retention

Disadvantages: - Limited write endurance (typically 100,000 cycles) - Higher cost compared to traditional non-volatile memory options

Working Principles

The AT27LV040A-90TC utilizes a combination of electronic circuits and memory cells to store and retrieve data. It employs a floating-gate transistor structure that allows for electrical erasure and programming of individual memory cells. The stored data is retained even when power is removed, ensuring non-volatile storage.

Detailed Application Field Plans

The AT27LV040A-90TC can be used in various applications, including but not limited to: 1. Consumer electronics: Used in devices such as digital cameras, MP3 players, and gaming consoles for storing firmware, configuration data, and user settings. 2. Automotive systems: Employed in automotive electronics for storing critical data like engine control parameters, vehicle diagnostics, and firmware updates. 3. Industrial equipment: Utilized in industrial automation systems, robotics, and control units for storing program code, calibration data, and system configurations. 4. Communication devices: Integrated into networking equipment, routers, and modems for storing firmware, MAC addresses, and network