IDT71256L35YI8

Product Overview

• Category: Integrated Circuit (IC)
• Use: Memory chip
• Characteristics: High-speed, low-power, static random-access memory (SRAM)
• Package: 28-pin plastic SOJ (Small Outline J-lead)
• Essence: Provides fast and reliable data storage for various electronic devices
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Memory Size: 256 kilobits (32 kilobytes)
• Organization: 32,768 words x 8 bits
• Access Time: 35 nanoseconds
• Operating Voltage: 5 volts
• Standby Current: 50 microamps
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The IDT71256L35YI8 has a total of 28 pins. The pin configuration is 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. CE1
20. CE2
21. WE
22. OE
23. GND
24. NC
25. A8
26. A9
27. A11
28. A10

Functional Features

• High-speed operation allows for quick data access and retrieval.
• Low-power consumption makes it suitable for battery-powered devices.
• Static design ensures data retention without the need for constant refreshing.
• Easy integration with various microcontrollers and other ICs.
• Reliable performance in harsh environmental conditions.

Advantages

• Fast access time enhances overall system performance.
• Low standby current prolongs battery life in portable devices.
• Wide operating temperature range enables usage in extreme environments.
• Compatibility with different voltage levels simplifies integration.

Disadvantages

• Limited memory size may not be sufficient for certain applications.
• Higher cost compared to alternative memory technologies.
• Relatively larger package size may require more board space.

Working Principles

The IDT71256L35YI8 is a static random-access memory (SRAM) chip that stores data using flip-flops. It operates by latching the input data onto internal storage cells, which can be accessed and modified as needed. The chip utilizes address lines to select specific memory locations and control signals to manage read and write operations. The SRAM design allows for fast and direct access to stored data without the need for refreshing, making it ideal for applications requiring high-speed data storage.

Detailed Application Field Plans

The IDT71256L35YI8 is widely used in various electronic systems that require reliable and fast data storage. Some common application fields include:

1. Computer Systems: Used as cache memory in CPUs and graphics cards.
2. Communication Devices: Provides temporary storage for data packets in routers and switches.
3. Industrial Control Systems: Stores critical data in automation and monitoring equipment.
4. Medical Devices: Enables quick access to patient data in medical instruments.
5. Automotive Electronics: Used for storing configuration settings and sensor data in vehicles.

Detailed and Complete Alternative Models

1. IDT71256SA: Similar specifications but operates at a lower voltage of 3.3 volts.
2. AT28C256: EEPROM (Electrically Erasable Programmable Read-Only Memory) alternative with larger memory capacity.
3. CY62256: Low-power SRAM alternative with similar specifications and smaller package size.

These alternative models offer different features and capabilities, allowing users to choose the most suitable option based on their specific requirements.

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