AT49LH00B4-33JX

Product Overview

Category

AT49LH00B4-33JX belongs to the category of non-volatile memory integrated circuits.

Use

This product is primarily used for data storage in various electronic devices, such as microcontrollers, embedded systems, and consumer electronics.

Characteristics

• Non-volatile: The AT49LH00B4-33JX retains stored data even when power is removed.
• High capacity: It offers a storage capacity of 1 megabit (128 kilobytes).
• Low power consumption: The device operates at low power levels, making it suitable for battery-powered applications.
• Fast access time: With a maximum access time of 33 nanoseconds, it provides quick data retrieval.

Package

The AT49LH00B4-33JX is available in a standard 32-pin plastic dual in-line package (PDIP).

Essence

The essence of this product lies in its ability to store and retrieve data reliably, even in the absence of power.

Packaging/Quantity

The AT49LH00B4-33JX is typically packaged in reels or tubes, with quantities varying based on customer requirements.

Specifications

• Memory Type: Non-volatile Flash
• Capacity: 1 Megabit (128 Kilobytes)
• Access Time: 33 ns
• Supply Voltage: 2.7V - 3.6V
• Operating Temperature Range: -40°C to +85°C
• Interface: Parallel

Detailed Pin Configuration

The AT49LH00B4-33JX features a 32-pin configuration. Here is a detailed pinout:

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. /WE (Write Enable)
19. /CE (Chip Enable)
20. VCC (Power Supply)
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. GND (Ground)
30. NC (No Connection)
31. NC (No Connection)
32. NC (No Connection)

Functional Features

• Byte-Writable: The AT49LH00B4-33JX allows individual bytes to be written or erased, providing flexibility in data manipulation.
• Sector Erase: It supports sector erase operations, enabling efficient erasure of larger portions of memory.
• Hardware Data Protection: The device includes hardware protection features to prevent accidental writes or erases.
• High Reliability: With built-in error correction and endurance mechanisms, the AT49LH00B4-33JX ensures reliable data storage.

Advantages and Disadvantages

Advantages

• Non-volatile memory retains data without power supply.
• High storage capacity for various applications.
• Low power consumption extends battery life.
• Fast access time enables quick data retrieval.
• Hardware data protection prevents accidental data loss.
• Reliable operation with error correction and endurance mechanisms.

Disadvantages

• Limited storage capacity compared to newer memory technologies.
• Parallel interface may not be suitable for all applications.
• Higher cost per bit compared to some other memory options.

Working Principles

The AT49LH00B4-33JX utilizes flash memory technology to store data. It consists of a grid of memory cells, where each cell can store multiple bits of information. Data is written to the memory by applying electrical charges to specific cells, and it can be read by detecting the presence or absence of these charges. The non-volatile nature of the memory ensures that stored data remains intact even when power is removed.

Detailed Application Field Plans

The AT49LH00B4-33JX finds application in various fields, including: 1. Microcontrollers: Used for program storage in microcontroller-based systems. 2. Embedded Systems: Provides non-volatile storage for firmware and configuration data. 3. Consumer Electronics: Enables data storage in devices like digital cameras, printers, and set-top boxes.

Detailed and Complete Alternative Models

Some alternative models to the AT49LH00B4-33J