AT27C4096-90JU-T

Product Overview

Category

AT27C4096-90JU-T belongs to the category of programmable read-only memory (PROM) chips.

Use

This product is primarily used for storing data that needs to be permanently written and cannot be modified. It is commonly employed in applications where non-volatile memory is required.

Characteristics

• Non-volatile: The stored data remains intact even when power is removed.
• High storage capacity: The AT27C4096-90JU-T has a capacity of 4,096 kilobits (512 kilobytes).
• Fast access time: With a speed rating of 90 nanoseconds, it provides quick data retrieval.
• Low power consumption: This chip operates efficiently with low power requirements.

Package

The AT27C4096-90JU-T is available in a 44-pin PLCC (Plastic Leaded Chip Carrier) package.

Essence

The essence of this product lies in its ability to store large amounts of data in a non-volatile manner, ensuring data integrity and reliability.

Packaging/Quantity

The AT27C4096-90JU-T is typically packaged in reels or tubes, with each containing a specific quantity of chips. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Memory Type: Programmable Read-Only Memory (PROM)
• Capacity: 4,096 kilobits (512 kilobytes)
• Access Time: 90 nanoseconds
• Supply Voltage: 5V
• Operating Temperature Range: -40°C to +85°C
• Package Type: 44-pin PLCC

Detailed Pin Configuration

The AT27C4096-90JU-T features a 44-pin PLCC package with the following pin configuration:

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. A16
18. A17
19. A18
20. A19
21. A20
22. A21
23. A22
24. A23
25. /OE (Output Enable)
26. /CE (Chip Enable)
27. /WE (Write Enable)
28. VSS (Ground)
29. DQ0
30. DQ1
31. DQ2
32. DQ3
33. DQ4
34. DQ5
35. DQ6
36. DQ7
37. VCC (+5V)
38. NC (No Connection)
39. NC (No Connection)
40. NC (No Connection)
41. NC (No Connection)
42. NC (No Connection)
43. NC (No Connection)
44. NC (No Connection)

Functional Features

The AT27C4096-90JU-T offers the following functional features:

• High-speed data access: The 90 nanosecond access time ensures quick retrieval of stored data.
• Non-volatile storage: The PROM chip retains data even when power is removed.
• Easy integration: The chip can be easily integrated into existing electronic systems due to its standard pin configuration and package.

Advantages and Disadvantages

Advantages

• Large storage capacity for storing significant amounts of data.
• Non-volatile memory ensures data integrity and reliability.
• Fast access time allows for quick retrieval of information.
• Low power consumption contributes to energy efficiency.

Disadvantages

• Data cannot be modified or updated once programmed.
• Limited flexibility compared to other types of memory chips.
• Relatively higher cost per unit compared to some alternative memory solutions.

Working Principles

The AT27C4096-90JU-T operates based on the principle of electrical programming. During the programming process, a high voltage is applied to specific address lines and data lines, causing the memory cells to be permanently programmed with the desired data pattern. Once programmed, the stored data remains unchanged until the chip is replaced.

Detailed Application Field Plans

The AT27C4096-90JU-T finds applications in various fields, including:

1. Embedded Systems: Used for firmware storage in microcontrollers and other embedded devices.
2. Automotive Electronics: Employed for storing critical data such as calibration tables, configuration settings, and diagnostic information.
3. Industrial Control Systems: Utilized for storing program code and configuration data in industrial automation systems.
4. Medical Devices: Used for non-volatile storage of patient data, device configurations, and firmware updates.
5. Consumer Electronics: Employed in devices such as