AT27C516-70JC

Product Overview

Category

AT27C516-70JC 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.

Characteristics

• Non-volatile memory: The stored data remains intact even when power is turned off.
• High storage capacity: The AT27C516-70JC has a capacity of 512 kilobits (64 kilobytes).
• Fast access time: It operates at a speed of 70 nanoseconds, allowing for quick retrieval of data.
• Low power consumption: The chip is designed to minimize power usage, making it suitable for battery-powered devices.

Package

The AT27C516-70JC is available in a 32-pin PLCC (Plastic Leaded Chip Carrier) package.

Essence

The essence of this product lies in its ability to provide non-volatile storage for electronic devices, ensuring the preservation of critical data.

Packaging/Quantity

The AT27C516-70JC is typically packaged in reels containing multiple units. The exact quantity may vary depending on the supplier.

Specifications

• Memory Capacity: 512 kilobits (64 kilobytes)
• Access Time: 70 nanoseconds
• Supply Voltage: 5 volts
• Operating Temperature Range: -40°C to +85°C
• Package Type: 32-pin PLCC

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

• Easy programming: The AT27C516-70JC can be programmed using standard PROM programming equipment.
• High reliability: It offers excellent data retention and endurance, ensuring long-term reliability.
• Compatibility: The chip is compatible with a wide range of microcontrollers and other electronic devices.
• Security features: It supports write protection to prevent accidental modification or erasure of stored data.

Advantages and Disadvantages

Advantages

• Non-volatile storage ensures data integrity.
• Fast access time allows for quick retrieval of information.
• Low power consumption extends battery life in portable devices.
• High compatibility with various electronic systems.

Disadvantages

• Data cannot be modified or erased once programmed.
• Limited storage capacity compared to other memory technologies.
• Relatively higher cost per kilobit compared to some alternatives.

Working Principles

The AT27C516-70JC operates based on the principle of electrical charge trapping within its memory cells. During programming, the desired data is written into the memory cells by applying appropriate voltage levels. Once programmed, the stored data remains intact until the next programming cycle.

Detailed Application Field Plans

The AT27C516-70JC 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. 3. Consumer electronics: Utilized in devices such as gaming consoles, set-top boxes, and audio players for storing firmware or configuration data. 4. Industrial automation: Used in programmable logic controllers (PLCs) and other industrial control systems.

Detailed and Complete Alternative Models

1. AT27C010-70PU: 1-megabit (128-kilobyte) PROM chip with similar characteristics and pin configuration.
2. AT27C040-90PU: 4-megabit (512-kilobyte) PROM chip with higher storage capacity and compatible pin configuration.
3. AT27LV010A-12JC: Low-voltage version of the AT27C010-70PU, operating at 3.3 volts instead of 5 volts.

These alternative models offer different storage capacities and voltage requirements to suit specific application needs.

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