NXP USA Inc.
画像はイメージの場合もございます。
商品詳細は仕様をご覧ください。
74ABT16821ADL,512
詳細を表示 DataSheets

Encyclopedia Entry: 74ABT16821ADL,512

Product Information

Overview

  • Category: Integrated Circuit (IC)
  • Use: Logic Level Translator
  • Characteristics: High-speed, low-power consumption
  • Package: 56-pin TSSOP (Thin Shrink Small Outline Package)
  • Essence: Translates logic levels between different voltage domains
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Supply Voltage Range: 2.3V to 3.6V
  • Input Voltage Range: 0V to VCC
  • Output Voltage Range: 0V to VCC
  • Operating Temperature Range: -40°C to +85°C
  • Propagation Delay Time: 4.5ns (typical)
  • Output Drive Capability: ±24mA

Pin Configuration

The 74ABT16821ADL,512 IC 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. OEAB
  51. OEBA
  52. VCCA
  53. GND
  54. VCC
  55. NC
  56. NC

Functional Features

  • Logic level translation between two voltage domains
  • Bidirectional data flow
  • High-speed operation
  • Low power consumption
  • 3-state outputs for bus-oriented applications

Advantages

  • Wide supply voltage range allows compatibility with various systems
  • Fast propagation delay time enables high-speed data transmission
  • Low power consumption helps in reducing overall system energy usage
  • 3-state outputs facilitate bus sharing and multiplexing

Disadvantages

  • Limited number of input/output channels (12 in total)
  • Not suitable for applications requiring translation between more than two voltage domains

Working Principles

The 74ABT16821ADL,512 is a logic level translator IC that operates by converting signals between different voltage domains. It utilizes a combination of MOSFETs and CMOS technology to achieve bidirectional data flow. The IC receives input signals from one voltage domain, translates them to the corresponding levels in the target voltage domain, and provides the translated output signals.

Application Field Plans

The 74ABT16821ADL,512 is commonly used in electronic systems where logic level translation is required. Some potential application fields include: - Microcontrollers interfacing with different voltage peripherals - Communication systems involving multiple voltage domains - Industrial automation equipment with mixed voltage interfaces

Alternative Models

  • SN74AVC4T245: 4-bit dual-supply bus transceiver
  • TXB0104: 4-bit bidirectional voltage-level translator
  • PCA9306: 2-bit bidirectional I2C-bus and SMBus voltage-level translator

Note: The above alternative models are suggested based on similar functionality and specifications.

In conclusion, the 74ABT16821ADL,512 is a high-speed logic level translator IC that enables communication between different voltage domains. Its compact package, low power consumption, and wide supply voltage range make it suitable for various applications in the field of electronics.

技術ソリューションにおける 74ABT16821ADL,512 の適用に関連する 10 件の一般的な質問と回答をリストします。

Sure! Here are 10 common questions and answers related to the application of 74ABT16821ADL,512 in technical solutions:

  1. Q: What is the function of the 74ABT16821ADL,512? A: The 74ABT16821ADL,512 is a 20-bit bus interface latch with 3-state outputs.

  2. Q: What voltage levels does the 74ABT16821ADL,512 support? A: It supports both TTL (Transistor-Transistor Logic) and CMOS (Complementary Metal-Oxide-Semiconductor) voltage levels.

  3. Q: How many inputs and outputs does the 74ABT16821ADL,512 have? A: It has 20 inputs and 20 outputs.

  4. Q: Can the 74ABT16821ADL,512 be used for bidirectional data transfer? A: No, it is a unidirectional latch and does not support bidirectional data transfer.

  5. Q: What is the maximum operating frequency of the 74ABT16821ADL,512? A: The maximum operating frequency is typically around 200 MHz.

  6. Q: Does the 74ABT16821ADL,512 have any built-in protection features? A: Yes, it has built-in ESD (Electrostatic Discharge) protection on all inputs and outputs.

  7. Q: Can the 74ABT16821ADL,512 be cascaded to increase the number of bits? A: Yes, multiple devices can be cascaded to increase the number of bits in the bus.

  8. Q: What is the power supply voltage range for the 74ABT16821ADL,512? A: It operates with a power supply voltage range of 4.5V to 5.5V.

  9. Q: Does the 74ABT16821ADL,512 have any special power-saving features? A: No, it does not have any specific power-saving features.

  10. Q: Can the 74ABT16821ADL,512 be used in high-speed data communication applications? A: Yes, it can be used in various high-speed data communication applications such as bus interfaces and memory systems.

Please note that these answers are general and may vary depending on the specific implementation and requirements of your technical solution.