W9825G2JB-75 TR

Product Overview

Category

The W9825G2JB-75 TR belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used in electronic devices for memory storage and retrieval purposes.

Characteristics

• Package: The W9825G2JB-75 TR is available in a compact surface mount package.
• Essence: It is a high-performance synchronous dynamic random-access memory (SDRAM) chip.
• Packaging/Quantity: This product is typically packaged in reels or trays, with varying quantities depending on customer requirements.

Specifications

The specifications of the W9825G2JB-75 TR are as follows:

• Memory Type: SDRAM
• Capacity: 256 Megabits (32 Megabytes)
• Organization: 4M x 16 bits
• Operating Voltage: 3.3V
• Clock Frequency: 133 MHz
• Access Time: 7.5 ns
• Interface: Parallel
• Refresh Mode: Auto-refresh and self-refresh
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The W9825G2JB-75 TR has a specific pin configuration that facilitates its integration into electronic circuits. The detailed pin configuration is as follows:

1. VDD
2. DQ0
3. DQ1
4. DQ2
5. DQ3
6. DQ4
7. DQ5
8. DQ6
9. DQ7
10. DQ8
11. DQ9
12. DQ10
13. DQ11
14. DQ12
15. DQ13
16. DQ14
17. DQ15
18. A0
19. A1
20. A2
21. A3
22. A4
23. A5
24. A6
25. A7
26. A8
27. A9
28. A10
29. A11
30. A12
31. A13
32. A14
33. A15
34. /CAS
35. /RAS
36. /WE
37. /CS
38. /CKE
39. /DQM0
40. /DQM1
41. /DM
42. VSS

Functional Features

The W9825G2JB-75 TR offers the following functional features:

• High-speed data transfer: With a clock frequency of 133 MHz and an access time of 7.5 ns, it enables fast and efficient data transfer.
• Synchronous operation: The IC synchronizes its operations with the system clock, ensuring reliable and accurate data processing.
• Auto-refresh and self-refresh modes: It supports automatic refreshing of stored data, enhancing stability and preventing data loss during power fluctuations.
• Low power consumption: The IC is designed to minimize power consumption, making it suitable for battery-powered devices.

Advantages and Disadvantages

Advantages: - High-performance memory chip - Compact package size - Supports synchronous operation - Automatic and self-refresh modes for data integrity - Low power consumption

Disadvantages: - Limited capacity (256 Megabits) - Parallel interface may require additional circuitry for compatibility with certain systems

Working Principles

The W9825G2JB-75 TR operates based on the principles of synchronous dynamic random-access memory (SDRAM). It stores and retrieves data in a synchronized manner with the system clock. When a read or write operation is initiated, the IC accesses the requested data from the memory array and transfers it to/from the external system.

Detailed Application Field Plans

The W9825G2JB-75 TR finds applications in various electronic devices, including but not limited to: - Personal computers - Laptops and notebooks - Servers - Networking equipment - Consumer electronics (e.g., televisions, gaming consoles) - Mobile devices (e.g., smartphones, tablets)

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the W9825G2JB-75 TR include: - W9825G6JB-75 TR - W9825G8JB-75 TR - W9825G16JB-75 TR

These alternative models provide different memory capacities and organizations while maintaining compatibility with the same interface and operating voltage.

In conclusion, the W9825G2JB-75 TR is a high-performance SDRAM chip used for memory storage and retrieval in various electronic devices. Its compact package, synchronous operation, and low power consumption make it a reliable choice for memory-intensive applications. However, its limited capacity and requirement for additional circuitry in certain systems may be considered as disadvantages.