74LCX16821MTDX

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Translator
• Characteristics: Low Voltage, High-Speed, Bidirectional
• Package: TSSOP-56
• Essence: Translates logic levels between different voltage domains
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 1.65V to 3.6V
• Logic Voltage Levels: 1.2V to 3.6V
• Maximum Data Rate: 400 Mbps
• Number of Channels: 20
• Input/Output Compatibility: LVTTL/TTL/CML
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The 74LCX16821MTDX has a total of 56 pins, arranged as follows:

1. VCCB
2. GND
3. OEAB
4. I/O0B
5. I/O1B
6. I/O2B
7. I/O3B
8. I/O4B
9. I/O5B
10. I/O6B
11. I/O7B
12. I/O8B
13. I/O9B
14. I/O10B
15. I/O11B
16. I/O12B
17. I/O13B
18. I/O14B
19. I/O15B
20. I/O16B
21. I/O17B
22. I/O18B
23. I/O19B
24. VCCB
25. GND
26. VCCA
27. GND
28. OEBA
29. I/O0A
30. I/O1A
31. I/O2A
32. I/O3A
33. I/O4A
34. I/O5A
35. I/O6A
36. I/O7A
37. I/O8A
38. I/O9A
39. I/O10A
40. I/O11A
41. I/O12A
42. I/O13A
43. I/O14A
44. I/O15A
45. I/O16A
46. I/O17A
47. I/O18A
48. I/O19A
49. VCCA
50. GND
51. NC
52. NC
53. NC
54. NC
55. NC
56. NC

Functional Features

• Bidirectional voltage level translation between two logic domains
• Supports voltage translation from 1.2V to 3.6V
• High-speed operation with a maximum data rate of 400 Mbps
• Low power consumption
• Schmitt trigger inputs for noise immunity
• ESD protection on all inputs and outputs

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows compatibility with various systems - Bidirectional translation simplifies interfacing between different voltage domains - High-speed operation enables efficient data transfer - Low power consumption helps in reducing overall system energy requirements - ESD protection ensures robustness against electrostatic discharge

Disadvantages: - Limited number of channels (20) may not be sufficient for complex applications requiring more connections - TSSOP package may pose challenges in PCB layout and assembly for some designs

Working Principles

The 74LCX16821MTDX is a bidirectional logic level translator that facilitates communication between two logic domains operating at different voltage levels. It utilizes a combination of MOSFETs and CMOS technology to achieve voltage translation. The device detects the logic levels of the input signals and translates them to the corresponding levels in the output domain.

Detailed Application Field Plans

The 74LCX16821MTDX is commonly used in various applications, including:

1. Microcontroller interfacing with different voltage peripherals
2. Communication interfaces between systems operating at different voltage levels
3. Level shifting in battery-powered devices
4. Signal conversion in mixed-voltage systems
5. Interface translation in industrial automation and control systems

Detailed and Complete Alternative Models

• SN74LVC1T45DBVR
• TXB0108PWR
• PCA9306DCUR
• FXMA2102UCX
• BSS138LT1G
• CD4050BE
• 74HCT245D
• NC7SZ125M5X

These alternative models offer similar functionality and can be considered as replacements for the 74LCX16821MTDX based on specific application requirements.

Note: The above information provides a comprehensive overview of the 74LCX16821MTDX, its specifications, pin configuration, features, advantages,