AT27C516-45JU

Product Overview

Category

AT27C516-45JU belongs to the category of programmable read-only memory (PROM) chips.

Use

This product is commonly used in electronic devices for storing permanent data that cannot be modified or erased. It is widely utilized in various applications such as microcontrollers, embedded systems, and consumer electronics.

Characteristics

• Non-volatile: The stored data remains intact even when power is turned off.
• High storage capacity: The AT27C516-45JU has a capacity of 512 kilobits (64 kilobytes).
• Fast access time: With an access time of 45 nanoseconds, it provides quick retrieval of data.
• Low power consumption: The chip operates efficiently with low power requirements.

Package

The AT27C516-45JU is available in a 44-pin plastic J-lead chip carrier (PLCC) package.

Essence

The essence of this product lies in its ability to provide reliable and non-volatile storage of data in electronic devices.

Packaging/Quantity

The AT27C516-45JU is typically packaged in reels containing a quantity of 250 units.

Specifications

• Memory Type: Programmable Read-Only Memory (PROM)
• Capacity: 512 kilobits (64 kilobytes)
• Access Time: 45 nanoseconds
• Supply Voltage: 5V
• Operating Temperature Range: -40°C to +85°C
• Package Type: 44-pin PLCC

Detailed Pin Configuration

The AT27C516-45JU has a total of 44 pins, each serving a specific function. The pin configuration is as follows:

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. A24
26. A25
27. A26
28. A27
29. A28
30. A29
31. A30
32. A31
33. OE#
34. CE#
35. WE#
36. BYTE#
37. VCC
38. GND
39. DQ0
40. DQ1
41. DQ2
42. DQ3
43. DQ4
44. DQ5

Functional Features

• High-speed operation: The AT27C516-45JU offers fast access times, allowing for efficient data retrieval.
• Easy integration: It can be easily integrated into various electronic systems due to its standard pin configuration and compatibility with common interfaces.
• Reliable data storage: The non-volatile nature of the PROM chip ensures that the stored data remains intact even in the absence of power.

Advantages and Disadvantages

Advantages

• Non-volatile memory ensures data retention without power supply.
• High storage capacity allows for storing a significant amount of data.
• Fast access time enables quick retrieval of information.
• Low power consumption contributes to energy efficiency.

Disadvantages

• Data cannot be modified or erased once programmed.
• Limited write cycles compared to other types of memory.
• Relatively higher cost per bit compared to some alternative memory technologies.

Working Principles

The AT27C516-45JU operates based on the principle of electrical programming. The data is programmed into the memory cells during the manufacturing process using a series of electrical pulses. Once programmed, the data remains stored in the memory until it is read by the system.

Detailed Application Field Plans

The AT27C516-45JU finds applications in various fields, including:

1. Microcontrollers: Used for storing firmware and program code in microcontroller-based systems.
2. Embedded Systems: Provides non-volatile storage for critical data in embedded systems such as industrial control systems and automotive electronics.
3. Consumer Electronics: Utilized in devices like gaming consoles, set-top boxes, and digital cameras for storing firmware and configuration data.

Detailed and Complete Alternative Models

Some alternative models to the AT27C516-45JU include:

1. AT28C64B-15PU: A 64-kilobyte EEPROM chip with an access time of 150 nanoseconds.
2. AM29F040B-90JC: A 4-megabit flash memory chip with an access time of 90 nanoseconds.
3. M27C256B-12