AT27C1024-45JI

Product Overview

Category

AT27C1024-45JI 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 stored and cannot be modified or erased. It is commonly used in applications where non-volatile memory is required.

Characteristics

• Non-volatile: The data stored in AT27C1024-45JI remains intact even when power is turned off.
• High storage capacity: This chip has a storage capacity of 1,048,576 bits (128 kilobytes).
• Fast access time: With an access time of 45 nanoseconds, it provides quick retrieval of stored data.
• Low power consumption: AT27C1024-45JI operates on low power, making it suitable for battery-powered devices.

Package

AT27C1024-45JI is available in a 32-pin plastic J-leaded chip carrier (PLCC) package.

Essence

The essence of AT27C1024-45JI lies in its ability to store data permanently, ensuring reliable and secure data storage.

Packaging/Quantity

This product is typically packaged in tubes or trays, with each tube or tray containing a specific quantity of AT27C1024-45JI chips.

Specifications

• Storage Capacity: 1,048,576 bits (128 kilobytes)
• Access Time: 45 nanoseconds
• Operating Voltage: 5 volts
• Package Type: 32-pin PLCC
• Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The pin configuration of AT27C1024-45JI is as follows:

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

• Non-volatile storage: AT27C1024-45JI retains data even when power is disconnected.
• Easy integration: The chip can be easily integrated into various electronic systems.
• High-speed access: With a fast access time of 45 nanoseconds, data retrieval is quick and efficient.
• Low power consumption: This chip operates on low power, making it suitable for battery-powered devices.

Advantages and Disadvantages

Advantages

• Permanent data storage
• High storage capacity
• Fast access time
• Low power consumption

Disadvantages

• Data cannot be modified or erased once programmed
• Limited storage capacity compared to other memory technologies

Working Principles

AT27C1024-45JI uses a technology called floating-gate MOSFET (metal-oxide-semiconductor field-effect transistor) to store data. When programming the chip, electrical charges are trapped in the floating gate, representing the desired data. These charges remain trapped even when power is turned off, ensuring non-volatile storage.

Detailed Application Field Plans

AT27C1024-45JI finds applications in various fields, including: 1. Embedded systems 2. Automotive electronics 3. Industrial control systems 4. Medical devices 5. Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to AT27C1024-45JI include: 1. AT28C256-15PU: 256-kilobit (32 kilobyte) EEPROM chip with a slower access time of 150 nanoseconds. 2. AT29C010A-12PC: 1-megabit (128 kilobyte) flash memory chip with an access time of 120 nanoseconds. 3. AM27C2048-90DC: 2-megabit (256 kilobyte) EPROM chip with a faster access time of 90 nanoseconds.

These alternative models offer different storage capacities, access times, and memory technologies to suit specific application requirements.

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