W9425G6KH-4

Product Overview

Category

W9425G6KH-4 belongs to the category of semiconductor memory devices.

Use

This product is primarily used for data storage and retrieval in electronic devices such as computers, smartphones, and tablets.

Characteristics

• High-speed data access
• Large storage capacity
• Low power consumption
• Compact size

Package

The W9425G6KH-4 is typically packaged in a small form factor, such as a surface mount package (SMP), which allows for easy integration into electronic circuit boards.

Essence

The essence of W9425G6KH-4 lies in its ability to store and retrieve digital information quickly and efficiently.

Packaging/Quantity

This product is usually sold in bulk quantities, with packaging options ranging from trays to reels, depending on the customer's requirements.

Specifications

• Memory Type: Dynamic Random Access Memory (DRAM)
• Capacity: 4 gigabits (512 megabytes)
• Organization: 8 banks x 16,777,216 words x 4 bits
• Operating Voltage: 1.8V
• Clock Frequency: 400 MHz
• Interface: Double Data Rate 2 (DDR2)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The W9425G6KH-4 has a total of 66 pins, each serving a specific function. The pin configuration is as follows:

1. VDD
2. DQ0
3. DQ1
4. DQ2
5. DQ3
6. DQ4
7. DQ5
8. DQ6
9. DQ7
10. VSS
11. DQ8
12. DQ9
13. DQ10
14. DQ11
15. DQ12
16. DQ13
17. DQ14
18. DQ15
19. VDD
20. A0
21. A1
22. A2
23. A3
24. A4
25. A5
26. A6
27. A7
28. A8
29. A9
30. A10
31. A11
32. A12
33. A13
34. A14
35. A15
36. BA0
37. BA1
38. RAS#
39. CAS#
40. WE#
41. CS#
42. CKE
43. CLK
44. DQM0
45. DQM1
46. DM0
47. DM1
48. VSS
49. VREF
50. VDD
51. VDDQ
52. VSSQ
53. ODT0
54. ODT1
55. NC
56. NC
57. NC
58. NC
59. NC
60. NC
61. NC
62. NC
63. NC
64. NC
65. NC
66. VSS

Functional Features

• High-speed data transfer rate
• Low latency
• Auto-refresh capability
• Burst mode operation
• On-die termination (ODT) for improved signal integrity

Advantages and Disadvantages

Advantages

• Fast data access and retrieval
• Large storage capacity
• Low power consumption
• Compact size
• Compatibility with DDR2 interface

Disadvantages

• Relatively higher cost compared to other memory technologies
• Volatile memory requires constant power supply to retain data

Working Principles

The W9425G6KH-4 is based on the dynamic random access memory (DRAM) technology. It stores data in a matrix of capacitors, with each capacitor representing a single bit of information. To read or write data, the memory controller sends commands and addresses to the DRAM chip, which activates the appropriate row and column to access the desired data.

Detailed Application Field Plans

The W9425G6KH-4 is widely used in various electronic devices, including: - Personal computers - Laptops - Servers - Smartphones - Tablets - Gaming consoles

Detailed and Complete Alternative Models

1. W9425G6JH-4: Similar specifications but with higher clock frequency (533 MHz)
2. W9425G6LH-4: Similar specifications but with lower capacity (2 gigabits)
3. W9425G6KH-8: Similar specifications but with double the capacity (8 gigabits)

These alternative models provide options for different performance requirements and system configurations.

In conclusion, the W9425G6KH-4 is a high-speed, large-capacity semiconductor memory device primarily used for data storage and retrieval in various electronic devices.