AT27C512R-90TI

Product Overview

Category

AT27C512R-90TI 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. It is commonly used in applications where non-volatile memory is required, such as in embedded systems, automotive electronics, and consumer electronics.

Characteristics

• Non-volatile: The data stored in AT27C512R-90TI remains intact even when power is turned off.
• High storage capacity: This chip has a storage capacity of 512 kilobits (64 kilobytes).
• Fast access time: With an access time of 90 nanoseconds, it provides quick retrieval of data.
• Low power consumption: AT27C512R-90TI operates on low power, making it suitable for battery-powered devices.
• Durable: The chip is designed to withstand multiple read cycles without degradation.

Package

AT27C512R-90TI is available in a 32-pin dual in-line package (DIP), which is a common package type for integrated circuits.

Essence

The essence of AT27C512R-90TI lies in its ability to store data permanently and provide fast access to the stored information.

Packaging/Quantity

This product is typically sold in reels or tubes containing multiple units. The exact quantity may vary depending on the supplier.

Specifications

• Storage Capacity: 512 kilobits (64 kilobytes)
• Access Time: 90 nanoseconds
• Operating Voltage: 5 volts
• Operating Temperature Range: -40°C to +85°C
• Package Type: 32-pin DIP

Detailed Pin Configuration

1. A14
2. A12
3. A7
4. A6
5. A5
6. A4
7. A3
8. A2
9. A1
10. A0
11. /OE (Output Enable)
12. /WE (Write Enable)
13. VSS (Ground)
14. NC (No Connection)
15. Q7
16. Q6
17. Q5
18. Q4
19. Q3
20. Q2
21. Q1
22. Q0
23. VCC (+5V)
24. CE (Chip Enable)
25. A8
26. A9
27. A11
28. A10
29. /PGM (Program)
30. /BYTE (Byte/Word Organization)
31. /ACC (Access Time Control)
32. /RESET

Functional Features

• Non-volatile storage: The data stored in AT27C512R-90TI is retained even when power is disconnected.
• Easy integration: The chip can be easily integrated into existing electronic systems.
• High-speed access: With an access time of 90 nanoseconds, it allows for quick retrieval of data.
• Low power consumption: AT27C512R-90TI operates on low power, making it suitable for energy-efficient applications.
• Durable design: The chip is designed to withstand multiple read cycles without degradation.

Advantages and Disadvantages

Advantages

• Permanent data storage
• Fast access time
• Low power consumption
• Durable design

Disadvantages

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

Working Principles

AT27C512R-90TI is based on the principle of electrically programmable read-only memory (EPROM). It uses a grid of transistors to store data as binary information. Once programmed, the data remains stored in the memory cells until it is erased using ultraviolet light.

Detailed Application Field Plans

AT27C512R-90TI 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 in automotive control units and infotainment systems. 3. Consumer electronics: Utilized in devices such as gaming consoles, set-top boxes, and home appliances for non-volatile data storage.

Detailed and Complete Alternative Models

Some alternative models to AT27C512R-90TI include: 1. AT28C64B-15PU: A 64-kilobit electrically erasable programmable read-only memory (EEPROM) chip with a 150 nanosecond access time. 2. AM29F040B-90JC: A 4-megabit flash memory chip with a 90 nanosecond access time. 3. M27C256B-12F1: A 256-kilobit EPROM chip with a 120 nanosecond access time.

These alternative models offer