IDT71256L25YI8

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: 25 nanoseconds
• Operating Voltage: 5 volts
• Standby Current: 10 microamps
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The IDT71256L25YI8 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 operating conditions.

Advantages

• Fast access time enables efficient data processing.
• Low standby current prolongs battery life in portable devices.
• Wide operating temperature range allows for use in extreme environments.
• Small package size saves board space in compact designs.
• Compatibility with different voltage levels enhances versatility.

Disadvantages

• Limited memory capacity compared to newer generations of SRAM.
• Relatively higher cost per bit compared to other memory technologies.
• Not suitable for applications requiring non-volatile storage.

Working Principles

The IDT71256L25YI8 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 lines to manage read and write operations. The stored data remains intact as long as power is supplied to the chip.

Detailed Application Field Plans

The IDT71256L25YI8 is widely used in various electronic systems that require fast and reliable data storage. Some common application fields include:

1. Embedded Systems: Used as cache memory in microcontrollers and digital signal processors (DSPs).
2. Communication Equipment: Provides temporary storage for data packets in routers and switches.
3. Industrial Automation: Stores critical data in programmable logic controllers (PLCs) and control systems.
4. Medical Devices: Enables quick access to patient data in medical imaging equipment and monitoring devices.
5. Automotive Electronics: Used in engine control units (ECUs) and infotainment systems for data storage.

Detailed and Complete Alternative Models

1. IDT71256SA: Similar specifications but with an access time of 35 nanoseconds.
2. IDT71256L35YI: Same access time but with a lower operating voltage of 3.3 volts.
3. IDT71256SA25Y: Higher access time of 45 nanoseconds but lower cost per unit.

These alternative models offer different trade-offs in terms of speed, voltage requirements, and cost, allowing users to choose the most suitable option for their specific application needs.

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