SN74BCT29843NTG4

Product Overview

• Category: Integrated Circuit
• Use: Logic Level Shifter
• Characteristics: High-speed, Bi-directional, Voltage-level Translation
• Package: 56-pin TSSOP (Thin Shrink Small Outline Package)
• Essence: Logic level shifting between different voltage domains
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 2 V to 6 V
• Input Voltage Range (VREF): 0 V to VCC
• Output Voltage Range (VREF): 0 V to VCC
• Maximum Input Clamp Current: ±20 mA
• Maximum Output Clamp Current: ±50 mA
• Maximum Quiescent Supply Current: 10 µA
• Maximum Operating Temperature: 85°C
• Minimum Operating Temperature: -40°C

Detailed Pin Configuration

The SN74BCT29843NTG4 has a total of 56 pins. The pin configuration is as follows:

1. A1
2. B1
3. Y1
4. GND
5. A2
6. B2
7. Y2
8. GND
9. A3
10. B3
11. Y3
12. GND
13. A4
14. B4
15. Y4
16. GND
17. A5
18. B5
19. Y5
20. GND
21. A6
22. B6
23. Y6
24. GND
25. A7
26. B7
27. Y7
28. GND
29. A8
30. B8
31. Y8
32. GND
33. A9
34. B9
35. Y9
36. GND
37. A10
38. B10
39. Y10
40. GND
41. A11
42. B11
43. Y11
44. GND
45. A12
46. B12
47. Y12
48. GND
49. VCCB
50. OE1
51. OE2
52. GND
53. VCCA
54. GND
55. GND
56. GND

Functional Features

• Bi-directional voltage-level translation between two different voltage domains
• High-speed operation for efficient data transfer
• Wide supply voltage range allows compatibility with various systems
• Low quiescent supply current for power efficiency
• Input and output voltage clamping to protect against overvoltage conditions

Advantages and Disadvantages

Advantages: - Enables seamless communication between devices operating at different voltage levels - Fast data transfer speeds - Wide supply voltage range provides flexibility in system design - Low power consumption during idle periods

Disadvantages: - Limited number of input/output channels - May require additional components for level shifting in complex systems

Working Principles

The SN74BCT29843NTG4 is a logic level shifter that facilitates communication between devices operating at different voltage levels. It uses a combination of MOSFETs and resistors to achieve bi-directional voltage translation. The device has separate power supply pins (VCCA and VCCB) for the two voltage domains it interfaces with.

When an input signal is applied to one side of the level shifter, the internal circuitry detects the voltage level and translates it to the corresponding voltage level on the other side. This allows seamless communication between devices with different voltage requirements.

Detailed Application Field Plans

The SN74BCT29843NTG4 is commonly used in various applications where voltage-level translation is required. Some of the typical application fields include:

1. Microcontroller interfacing with different voltage peripherals
2. Communication interfaces between different logic families (e.g., TTL and CMOS)
3. Level shifting in mixed-signal systems
4. Interface between sensors and microcontrollers with different voltage requirements

Detailed and Complete Alternative Models

• SN74LVC4245APWR
• SN74AVC4T245RGYR
• SN74LVCH245ADBR
• SN74CBT3257CPWRE4
• SN74LVC8T245PWR

These alternative models provide similar functionality and can be used as substitutes for the SN74BCT29843NTG4 in various applications.

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