74VCX16839MTD

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Translator
• Characteristics: High-speed, low-power, bidirectional voltage translation
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: This IC is designed to translate logic level signals between different voltage domains.
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Supply Voltage: 1.2V - 3.6V
• Logic Voltage Levels: 1.2V - 3.6V
• Input/Output Compatibility: LVTTL, LVCMOS
• Number of Channels: 8
• Propagation Delay: 2.5ns (Max)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The 74VCX16839MTD has a total of 56 pins, which are assigned as follows:

1. A1
2. Y1
3. B1
4. GND
5. B2
6. Y2
7. A2
8. VCC
9. A3
10. Y3
11. B3
12. GND
13. B4
14. Y4
15. A4
16. VCC
17. A5
18. Y5
19. B5
20. GND
21. B6
22. Y6
23. A6
24. VCC
25. A7
26. Y7
27. B7
28. GND
29. B8
30. Y8
31. A8
32. VCC
33. OEAB
34. OEB
35. GND
36. VCC
37. A9
38. Y9
39. B9
40. GND
41. B10
42. Y10
43. A10
44. VCC
45. A11
46. Y11
47. B11
48. GND
49. B12
50. Y12
51. A12
52. VCC
53. OEBA
54. OEA
55. GND
56. VCC

Functional Features

• Bidirectional voltage translation between two logic level domains.
• Supports translation between LVTTL and LVCMOS levels.
• High-speed operation with minimal propagation delay.
• Low power consumption, making it suitable for battery-powered devices.
• Provides 8 independent channels for simultaneous translation.

Advantages and Disadvantages

Advantages: - High-speed operation enables efficient signal translation. - Low power consumption extends battery life in portable applications. - Bidirectional capability simplifies design and reduces component count. - Wide supply voltage range allows compatibility with various systems.

Disadvantages: - Limited to translating between LVTTL and LVCMOS levels only. - May not be suitable for applications requiring translation between different voltage ranges. - The TSSOP package may require careful handling during assembly.

Working Principles

The 74VCX16839MTD utilizes a combination of MOSFETs and CMOS technology to achieve bidirectional voltage translation. It employs a voltage level shifting technique that allows signals from one voltage domain to be translated to another without significant distortion or delay.

The IC operates by monitoring the input voltage levels and adjusting the output levels accordingly. When an input signal is received, the IC determines the appropriate logic level for the output based on the supply voltage and translates the signal accordingly.

Detailed Application Field Plans

The 74VCX16839MTD is commonly used in various applications that require voltage translation between different logic level domains. Some of the typical application fields include:

1. Microcontrollers and microprocessors interfacing with peripheral devices.
2. Communication systems involving different voltage levels.
3. Battery-powered portable devices requiring efficient signal translation.
4. Industrial automation and control systems.
5. Automotive electronics for level shifting between different subsystems.

Detailed and Complete Alternative Models

• 74LVC245A: Octal Bus Transceiver with Voltage Translation
• SN74LVC1T45: Single-Bit Dual-Supply Bus Transceiver
• TXB0108: 8-Bit Bidirectional Voltage-Level Translator

These alternative models offer similar functionality to the 74VCX16839MTD and can be considered as alternatives based on specific requirements and design constraints.

In conclusion, the 74VCX16839MTD is a high-speed, low-power logic level translator IC designed for bidirectional voltage translation between LVTTL and LVCMOS levels. It offers several advantages such as wide supply voltage range, minimal propagation delay, and multiple channels. However, it