MT45W4MW16PBA-70 WT TR

Product Overview

Category: Integrated Circuits (ICs)

Use: The MT45W4MW16PBA-70 WT TR is a high-speed synchronous dynamic random-access memory (SDRAM) chip. It is commonly used in various electronic devices such as computers, servers, networking equipment, and consumer electronics.

Characteristics: - High-speed operation - Low power consumption - Large storage capacity - Synchronous interface - Wide temperature range (-40°C to +85°C) - RoHS compliant

Package: The MT45W4MW16PBA-70 WT TR is available in a small form factor package, making it suitable for space-constrained applications. It is commonly packaged in a 54-ball VFBGA (Very Fine Pitch Ball Grid Array) package.

Essence: This SDRAM chip is designed to provide fast and reliable data storage and retrieval capabilities for electronic devices. It offers high-speed operation and large storage capacity, making it ideal for demanding applications that require efficient data processing.

Packaging/Quantity: The MT45W4MW16PBA-70 WT TR is typically sold in reels or trays, with a quantity of 2500 units per reel/tray.

Specifications

• Memory Type: SDRAM
• Memory Size: 64 Megabits (4 Megabytes)
• Organization: 4M x 16
• Data Rate: 70 MHz
• Voltage Supply: 2.5V
• Interface: Parallel
• Access Time: 7 ns
• Operating Temperature Range: -40°C to +85°C
• Package Type: 54-ball VFBGA

Detailed Pin Configuration

The MT45W4MW16PBA-70 WT TR has a total of 54 pins. Here is the detailed pin configuration:

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. /CK
40. VSS
41. VSS
42. VSS
43. VSS
44. VSS
45. VSS
46. VSS
47. VSS
48. VSS
49. VSS
50. VSS
51. VSS
52. VSS
53. VSS
54. VSS

Functional Features

• High-speed operation: The MT45W4MW16PBA-70 WT TR offers a data rate of 70 MHz, allowing for fast and efficient data transfer.
• Low power consumption: This SDRAM chip is designed to minimize power consumption, making it suitable for battery-powered devices.
• Synchronous interface: The chip uses a synchronous interface, ensuring synchronized data transfers between the memory and the device.
• Wide temperature range: With an operating temperature range of -40°C to +85°C, the chip can withstand extreme environmental conditions.
• RoHS compliant: The MT45W4MW16PBA-70 WT TR is compliant with the Restriction of Hazardous Substances (RoHS) directive, ensuring it meets environmental standards.

Advantages and Disadvantages

Advantages: - High-speed operation enables efficient data processing. - Low power consumption prolongs battery life in portable devices. - Large storage capacity allows for storing a significant amount of data. - Synchronous interface ensures reliable and synchronized data transfers. - Wide temperature range makes it suitable for various environments. - RoHS compliance demonstrates environmental responsibility.

Disadvantages: - Limited compatibility with certain older devices that do not support synchronous interfaces. - Relatively higher cost compared to other memory technologies.

Working Principles

The MT45W4MW16PBA-70 WT TR operates based on the principles of synchronous dynamic random-access memory (SDRAM). It stores data in a matrix of capacitors, with each capacitor representing a single bit of information. The data is stored as electrical charges within the capacitors,