IDT71256L20Y

Product Overview

• Category: Integrated Circuit (IC)
• Use: Memory chip
• Characteristics: High-speed, low-power, static random-access memory (SRAM)
• Package: 28-pin plastic dual in-line package (PDIP)
• Essence: Stores and retrieves digital information in electronic devices
• Packaging/Quantity: Available in tubes or trays, quantity varies based on customer requirements

Specifications

• Organization: 32K x 8 bits
• Voltage Supply: 4.5V to 5.5V
• Access Time: 20 ns
• Operating Temperature Range: -40°C to +85°C
• Standby Current: 10µA (typical)
• Data Retention: 10 years (minimum)

Detailed Pin Configuration

The IDT71256L20Y has a total of 28 pins, which are assigned as follows:

1. A12
2. A7
3. A6
4. A5
5. A4
6. A3
7. A2
8. A1
9. A0
10. Vcc
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. CE2
20. CE1
21. WE
22. OE
23. GND
24. A8
25. A9
26. A11
27. A10
28. NC

Functional Features

• High-speed operation allows for quick data access
• Low-power consumption makes it suitable for battery-powered devices
• Static design eliminates the need for refreshing data
• Non-volatile storage ensures data retention even when power is lost
• Easy integration with various microcontrollers and digital systems

Advantages and Disadvantages

Advantages: - Fast access time improves overall system performance - Low power consumption extends battery life in portable devices - Non-volatile storage ensures data integrity during power interruptions

Disadvantages: - Limited storage capacity compared to other memory technologies - Relatively higher cost per bit compared to dynamic RAM (DRAM)

Working Principles

The IDT71256L20Y is a static random-access memory (SRAM) chip that stores digital information using flip-flops. It operates by latching the data on its inputs and holding it until new data is provided. The stored data can be accessed at high speeds, making it suitable for applications that require quick data retrieval.

Detailed Application Field Plans

The IDT71256L20Y is commonly used in various electronic devices and systems, including:

1. Computer systems: Used as cache memory or for storing critical system data.
2. Communication equipment: Provides temporary storage for data packets and control information.
3. Industrial automation: Stores configuration data and program code for controllers and PLCs.
4. Consumer electronics: Used in gaming consoles, set-top boxes, and other multimedia devices.
5. Automotive electronics: Utilized in engine control units (ECUs), infotainment systems, and instrument clusters.

Detailed and Complete Alternative Models

1. IDT71256SA20Y: Similar specifications but with an access time of 20 ns.
2. IDT71256LA20Y: Lower power variant with an access time of 20 ns.
3. IDT71256SA15Y: Faster access time of 15 ns but slightly higher power consumption.
4. IDT71256LA15Y: Lower power variant with an access time of 15 ns.

These alternative models offer similar functionality and compatibility with different system requirements.

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