AT27C1024-90JC

Product Overview

Category

The AT27C1024-90JC belongs to the category of programmable read-only memory (PROM) chips.

Use

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

Characteristics

• Non-volatile: The data stored in the AT27C1024-90JC remains intact even when power is removed.
• High storage capacity: This chip has a capacity of 1,048,576 bits (128 kilobytes).
• Fast access time: The AT27C1024-90JC offers a quick access time of 90 nanoseconds.
• Low power consumption: It operates efficiently with low power requirements.

Package

The AT27C1024-90JC is available in a 32-pin PLCC (Plastic Leaded Chip Carrier) package.

Essence

The essence of the AT27C1024-90JC lies in its ability to provide reliable and non-volatile storage for critical data in various electronic systems.

Packaging/Quantity

This chip is typically packaged individually and is available in varying quantities depending on the supplier.

Specifications

• Memory Type: PROM
• Capacity: 1,048,576 bits (128 kilobytes)
• Access Time: 90 nanoseconds
• Supply Voltage: 5V
• Package Type: 32-pin PLCC

Detailed Pin Configuration

The AT27C1024-90JC has a total of 32 pins. Here is the detailed pin configuration:

1. A16
2. A15
3. A12
4. A7
5. A6
6. A5
7. A4
8. A3
9. A2
10. A1
11. A0
12. VPP
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. VCC
25. GND
26. NC
27. NC
28. NC
29. NC
30. NC
31. NC
32. NC

Functional Features

The AT27C1024-90JC offers the following functional features:

• Easy programming: The chip can be programmed using standard PROM programming equipment.
• Non-volatile storage: The data stored in the chip remains intact even when power is removed.
• High-speed access: With an access time of 90 nanoseconds, it allows for quick retrieval of stored data.
• Low power consumption: The chip operates efficiently with low power requirements.

Advantages and Disadvantages

Advantages

• Reliable non-volatile storage
• High storage capacity
• Fast access time
• Low power consumption

Disadvantages

• Data cannot be modified or erased once programmed
• Limited flexibility compared to other memory types

Working Principles

The AT27C1024-90JC utilizes a one-time programmable (OTP) technology. During programming, electrical charges are applied to specific memory cells, permanently storing the desired data. Once programmed, the data remains unchanged until the chip reaches its maximum specified erase/write cycles.

Detailed Application Field Plans

The AT27C1024-90JC finds applications in various fields, including: - Embedded systems - Automotive electronics - Industrial control systems - Medical devices - Consumer electronics

Detailed and Complete Alternative Models

Here are some alternative models that offer similar functionality to the AT27C1024-90JC: - AT28C64B-15PU: 64 kilobit (8 kilobyte) OTP PROM with a 150 nanosecond access time. - AM29F040B-90JC: 4 megabit (512 kilobyte) flash memory chip with a 90 nanosecond access time. - M27C256B-12F1: 256 kilobit (32 kilobyte) EPROM with a 120 nanosecond access time.

These alternative models provide options with varying capacities and access times, allowing users to choose the most suitable chip for their specific requirements.

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