Texas Instruments
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CD74AC623M96E4
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CD74AC623M96E4

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Digital Logic
  • Characteristics: High-speed, low-power, 8-bit bus transceiver
  • Package: 96-pin Molded Ceramic Flatpack (M96E4)
  • Essence: Transfers data bidirectionally between two buses
  • Packaging/Quantity: Available in reels of 250 units

Specifications

  • Supply Voltage Range: 2V to 6V
  • Input Voltage Range: 0V to VCC
  • Output Voltage Range: 0V to VCC
  • Operating Temperature Range: -40°C to +85°C
  • Propagation Delay Time: 5.5ns (typical)
  • Output Drive Capability: ±24mA
  • ESD Protection: >2000V (HBM)

Detailed Pin Configuration

The CD74AC623M96E4 has a total of 96 pins. The pin configuration is as follows:

  1. A0
  2. A1
  3. A2
  4. A3
  5. A4
  6. A5
  7. A6
  8. A7
  9. GND
  10. B7
  11. B6
  12. B5
  13. B4
  14. B3
  15. B2
  16. B1
  17. B0
  18. OEAB
  19. CLKAB
  20. DIRAB
  21. GND
  22. VCC
  23. Q0
  24. Q1
  25. Q2
  26. Q3
  27. Q4
  28. Q5
  29. Q6
  30. Q7
  31. GND
  32. A7
  33. A6
  34. A5
  35. A4
  36. A3
  37. A2
  38. A1
  39. A0
  40. GND
  41. B0
  42. B1
  43. B2
  44. B3
  45. B4
  46. B5
  47. B6
  48. B7
  49. GND
  50. OEBA
  51. CLKBA
  52. DIRBA
  53. GND
  54. VCC
  55. Q7
  56. Q6
  57. Q5
  58. Q4
  59. Q3
  60. Q2
  61. Q1
  62. Q0
  63. GND
  64. A0
  65. A1
  66. A2
  67. A3
  68. A4
  69. A5
  70. A6
  71. A7
  72. GND
  73. B7
  74. B6
  75. B5
  76. B4
  77. B3
  78. B2
  79. B1
  80. B0
  81. GND
  82. OEAB
  83. CLKAB
  84. DIRAB
  85. GND
  86. VCC
  87. Q0
  88. Q1
  89. Q2
  90. Q3
  91. Q4
  92. Q5
  93. Q6
  94. Q7
  95. GND
  96. VCC

Functional Features

  • Bidirectional data transfer between two buses (A and B)
  • Independent control of direction and output enable signals
  • Non-inverting outputs for both A-to-B and B-to-A data paths
  • High-speed operation with minimal power consumption
  • TTL-compatible inputs for easy integration with other logic circuits

Advantages and Disadvantages

Advantages: - High-speed data transfer - Low power consumption - Independent control signals for direction and output enable - Wide supply voltage range

Disadvantages: - Limited number of input/output pins (8-bit bus)

Working Principles

The CD74AC623M96E4 is a bidirectional bus transceiver that allows data to be transferred between two buses, A and B. The direction of data flow is controlled by the DIRAB pin. When DIRAB is high, data flows from bus A to bus B, and when DIRAB is low, data flows from bus B to bus A.

The OEAB pin controls the output enable function. When OEAB is low, the outputs are enabled, allowing data to be driven onto the bus. When OEAB is high, the outputs are disabled, effectively isolating the device from the bus.

Detailed Application Field Plans

The CD74AC623M96E4 is commonly used in various digital logic applications, including:

  1. Data communication systems
  2. Microprocessor interfacing
  3. Memory modules
  4. Industrial automation
  5. Networking equipment
  6. Test and measurement instruments

Detailed and Complete Alternative Models

Перечислите 10 распространенных вопросов и ответов, связанных с применением CD74AC623M96E4 в технических решениях.

Sure! Here are 10 common questions and answers related to the application of CD74AC623M96E4 in technical solutions:

  1. Q: What is CD74AC623M96E4? A: CD74AC623M96E4 is a specific model of an octal bus transceiver with 3-state outputs, commonly used in digital systems.

  2. Q: What is the purpose of CD74AC623M96E4? A: The purpose of CD74AC623M96E4 is to enable bidirectional transfer of data between two buses with different voltage levels or logic families.

  3. Q: What voltage levels does CD74AC623M96E4 support? A: CD74AC623M96E4 supports a wide range of voltage levels, typically from 2V to 6V.

  4. Q: How many bits can CD74AC623M96E4 handle? A: CD74AC623M96E4 is an octal (8-bit) bus transceiver, meaning it can handle up to 8 bits of data simultaneously.

  5. Q: Can CD74AC623M96E4 be used in both input and output modes? A: Yes, CD74AC623M96E4 can be used in both input and output modes, allowing bidirectional data transfer.

  6. Q: What is the maximum data transfer rate supported by CD74AC623M96E4? A: CD74AC623M96E4 has a high-speed operation capability, supporting data transfer rates of up to several hundred megahertz.

  7. Q: Does CD74AC623M96E4 have any built-in protection features? A: Yes, CD74AC623M96E4 includes built-in ESD (electrostatic discharge) protection, which helps safeguard against damage from static electricity.

  8. Q: Can CD74AC623M96E4 be cascaded to handle more than 8 bits of data? A: Yes, multiple CD74AC623M96E4 devices can be cascaded together to handle larger data buses.

  9. Q: What are the typical applications of CD74AC623M96E4? A: CD74AC623M96E4 is commonly used in various digital systems, such as microcontrollers, memory interfaces, and communication interfaces.

  10. Q: Are there any specific precautions to consider when using CD74AC623M96E4? A: It is important to follow the manufacturer's datasheet and guidelines for proper power supply connections, signal integrity, and operating conditions to ensure reliable performance of CD74AC623M96E4.

Please note that the answers provided here are general and may vary depending on the specific requirements and use cases. Always refer to the manufacturer's documentation for accurate information.