IDT71256SA12Y

Product Overview

• Category: Integrated Circuit (IC)
• Use: Memory chip
• Characteristics: High-speed, low-power, static random-access memory (SRAM)
• Package: 28-pin SOJ (Small Outline J-lead)
• Essence: Provides fast and reliable data storage and retrieval capabilities
• Packaging/Quantity: Available in tape and reel packaging, with a quantity of 1000 units per reel

Specifications

• Memory Size: 256 kilobits (32 kilobytes)
• Organization: 32,768 words x 8 bits
• Access Time: 12 nanoseconds
• Operating Voltage: 5 volts
• Standby Current: 10 microamps maximum
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The IDT71256SA12Y has a total of 28 pins. The pin configuration is as follows:

1. A9
2. A8
3. A7
4. A6
5. A5
6. A4
7. A3
8. A2
9. A1
10. A0
11. I/O0
12. I/O1
13. I/O2
14. I/O3
15. I/O4
16. I/O5
17. I/O6
18. I/O7
19. Vcc (+5V)
20. GND (Ground)
21. CE1 (Chip Enable 1)
22. CE2 (Chip Enable 2)
23. WE (Write Enable)
24. OE (Output Enable)
25. CS1 (Chip Select 1)
26. CS2 (Chip Select 2)
27. NC (No Connection)
28. NC (No Connection)

Functional Features

• High-speed operation allows for quick data access and retrieval.
• Low-power consumption makes it suitable for battery-powered devices.
• Static design eliminates the need for constant refreshing of data.
• Reliable performance ensures data integrity.

Advantages and Disadvantages

Advantages: - Fast access time enables efficient data processing. - Low power consumption prolongs battery life in portable devices. - Reliable operation ensures data integrity. - Compact package size saves board space.

Disadvantages: - Limited memory capacity compared to newer memory technologies. - Relatively higher cost per bit compared to other memory options.

Working Principles

The IDT71256SA12Y is a static random-access memory (SRAM) chip. It stores data using flip-flops, which retain their state as long as power is supplied. The chip uses address lines to select specific memory locations and data lines for reading from or writing to those locations. Control signals such as Chip Enable (CE), Write Enable (WE), and Output Enable (OE) are used to manage the memory operations.

Detailed Application Field Plans

The IDT71256SA12Y is commonly used in various applications that require fast and reliable data storage and retrieval. Some of the typical application fields include:

1. Computer systems
2. Networking equipment
3. Communication devices
4. Industrial control systems
5. Automotive electronics
6. Medical equipment

Detailed and Complete Alternative Models

1. IDT71256SA15Y: Similar to IDT71256SA12Y but with a faster access time of 15 nanoseconds.
2. IDT71256SA20Y: Similar to IDT71256SA12Y but with a slower access time of 20 nanoseconds.
3. IDT71256SA25Y: Similar to IDT71256SA12Y but with a slower access time of 25 nanoseconds.
4. IDT71256SA10Y: Similar to IDT71256SA12Y but with a faster access time of 10 nanoseconds.

These alternative models provide options for different speed requirements while maintaining similar functionality and characteristics.

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