IS46DR16640B-25DBLA1

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Memory module
• Characteristics: High-speed, low-power, synchronous dynamic random-access memory (SDRAM)
• Package: Ball Grid Array (BGA)
• Essence: Storage and retrieval of digital information in electronic devices
• Packaging/Quantity: Single unit

Specifications

• Model: IS46DR16640B-25DBLA1
• Type: SDRAM
• Capacity: 16 Megabits (2 Megabytes)
• Speed: 250 MHz
• Voltage: 2.5V
• Organization: 4M x 16 bits
• Interface: Double Data Rate (DDR)
• Refresh: Auto-refresh and self-refresh modes
• Operating Temperature: -40°C to +85°C

Detailed Pin Configuration

The IS46DR16640B-25DBLA1 has a total of 66 pins. 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. 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. /CS0
38. /CS1
39. /CKE
40. /CLK
41. /DQM0
42. /DQM1
43. VSS
44. VSS
45. VSS
46. VSS
47. VSS
48. VSS
49. VSS
50. VSS
51. VSS
52. VSS
53. VSS
54. VSS
55. VSS
56. VSS
57. VSS
58. VSS
59. VSS
60. VSS
61. VSS
62. VSS
63. VSS
64. VSS
65. VSS
66. VSS

Functional Features

• High-speed data transfer with DDR interface
• Low power consumption
• Auto-refresh and self-refresh modes for efficient memory management
• Error correction capabilities for improved reliability
• On-die termination (ODT) for signal integrity

Advantages and Disadvantages

Advantages: - High-speed performance suitable for demanding applications - Low power consumption for energy-efficient devices - Error correction capabilities enhance data integrity - Compact BGA package allows for space-saving designs

Disadvantages: - Limited capacity compared to higher-density memory modules - Higher cost per unit compared to lower-capacity alternatives - Requires compatible DDR interface for proper operation

Working Principles

The IS46DR16640B-25DBLA1 operates based on the principles of synchronous dynamic random-access memory (SDRAM). It stores digital information in a matrix of capacitors, organized into rows and columns. The memory cells are accessed by sending row and column addresses, and data is read or written using the double data rate (DDR) interface. The memory module operates at a specific clock frequency and uses various control signals to manage data transfer and refresh operations.

Detailed Application Field Plans

The IS46DR16640B-25DBLA1 is commonly used in the following applications: 1. Computer systems: Used as main memory in desktops, laptops, and servers. 2. Networking equipment: Provides storage for routers, switches, and network appliances. 3. Consumer electronics: Found in gaming consoles, set-top boxes, and digital televisions. 4. Industrial automation: Used in control systems, robotics, and embedded devices. 5. Telecommunications: Provides memory for base stations, routers, and communication equipment.

Detailed and Complete Alternative Models

1. IS46DR16640B-25DBL - Similar specifications but with a different package (TSOP)
2. IS46DR16640B-25EBLA1 - Higher operating temperature range (-40°C to +95°C)
3. IS46DR16640B-25FBLA1 - Lower voltage requirement (2.3V)

These alternative models offer similar functionality and can be considered based on specific