CAT28C512GI-12T

Product Overview

Category: Integrated Circuit (IC)

Use: The CAT28C512GI-12T is a high-performance electrically erasable programmable read-only memory (EEPROM) IC. It is commonly used for non-volatile storage of data in various electronic devices.

Characteristics: - High storage capacity of 512 kilobits (64 kilobytes) - Fast access time of 120 nanoseconds - Low power consumption - Reliable and durable data retention - Wide operating voltage range of 4.5V to 5.5V

Package: The CAT28C512GI-12T is available in a standard 32-pin plastic dual in-line package (PDIP). This package provides mechanical protection and facilitates easy integration into circuit boards.

Essence: The essence of the CAT28C512GI-12T lies in its ability to store and retrieve digital information reliably, even when the power supply is disconnected. This makes it an essential component for applications requiring non-volatile memory.

Packaging/Quantity: The CAT28C512GI-12T is typically sold in reels or tubes containing multiple units. The exact quantity may vary depending on the supplier and customer requirements.

Specifications

• Memory Capacity: 512 kilobits (64 kilobytes)
• Access Time: 120 nanoseconds
• Operating Voltage Range: 4.5V to 5.5V
• Package Type: 32-pin PDIP
• Temperature Range: -40°C to +85°C
• Data Retention: 100 years (typical)

Pin Configuration

The CAT28C512GI-12T features a total of 32 pins, each serving a specific purpose. Here is a detailed pin configuration:

1. A0: Address Input
2. A1: Address Input
3. A2: Address Input
4. A3: Address Input
5. A4: Address Input
6. A5: Address Input
7. A6: Address Input
8. A7: Address Input
9. A8: Address Input
10. A9: Address Input
11. A10: Address Input
12. A11: Address Input
13. A12: Address Input
14. A13: Address Input
15. A14: Address Input
16. A15: Address Input
17. /CE: Chip Enable Input
18. /OE: Output Enable Input
19. /WE: Write Enable Input
20. D0: Data Input/Output
21. D1: Data Input/Output
22. D2: Data Input/Output
23. D3: Data Input/Output
24. D4: Data Input/Output
25. D5: Data Input/Output
26. D6: Data Input/Output
27. D7: Data Input/Output
28. VCC: Power Supply
29. VSS: Ground
30. NC: No Connection
31. /WP: Write Protect Input
32. /ACC: Access Time Control Input

Functional Features

The CAT28C512GI-12T offers several functional features that enhance its usability and performance:

• Electrically erasable and programmable memory cells
• High-speed read and write operations
• Non-volatile storage of data
• Low power consumption during standby mode
• Write protection capability (/WP pin)
• Access time control for optimized performance (/ACC pin)

Advantages and Disadvantages

Advantages: - Large storage capacity - Fast access time - Reliable data retention - Low power consumption - Easy integration into circuit boards

Disadvantages: - Limited endurance (number of erase/write cycles) - Relatively higher cost compared to other memory technologies - Requires careful handling to prevent damage from electrostatic discharge

Working Principles

The CAT28C512GI-12T utilizes a combination of electronic circuits and memory cells to store and retrieve digital information. It employs a technique called electrically erasable programmable read-only memory (EEPROM), which allows data to be written and erased electronically.

When the chip enable (/CE) and output enable (/OE) signals are activated, the addressed memory location's content is available on the data input/output pins (D0-D7). The write enable (/WE) signal enables or disables the writing operation. By applying appropriate voltage levels to the address inputs (A0-A15) and data inputs (D0-D7), data can be written or read from specific memory locations.

Detailed Application Field Plans

The CAT28C512GI-12T finds applications in various fields where non-volatile storage of data is required. Some of the detailed application field plans include:

1. Consumer Electronics:
   • Digital cameras