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74LS245 Octal Bus Transceiver IC - SOIC-20 SMD Package

74LS245 Octal Bus Transceiver IC - SOIC-20 SMD Package

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The 74LS245 is an octal bus transceiver IC designed for asynchronous two-way data communication between data buses. It is housed in a SOIC-20 surface-mount device (SMD) package, making it suitable for high-density circuit board layouts. Here’s a detailed description of the product:

Key Features:

  • Type: Octal Bus Transceiver
  • Package: SOIC-20 (Small Outline Integrated Circuit)
  • Logic Family: 74LS (Low Power Schottky)
  • Operating Voltage: 4.75V to 5.25V
  • Direction Control: Allows data transmission in both directions
  • Three-State Outputs: Enables connection to a common bus
  • Low Power Consumption: Schottky technology for low static power consumption
  • High-Speed Operation: Fast propagation delay

Applications:

  • Bus Interface: Ideal for interfacing between data buses
  • Data Communication: Suitable for asynchronous two-way data communication
  • Memory Addressing: Used in memory addressing and multiplexing
  • Digital Systems: Useful in various digital systems requiring bidirectional data transfer
  • Microprocessor Interfacing: Commonly used in microprocessor and microcontroller systems

Pin Configuration:

  • Pin 1 (DIR): Direction control input
  • Pin 2 (A1): Data input/output A1
  • Pin 3 (A2): Data input/output A2
  • Pin 4 (A3): Data input/output A3
  • Pin 5 (A4): Data input/output A4
  • Pin 6 (A5): Data input/output A5
  • Pin 7 (A6): Data input/output A6
  • Pin 8 (A7): Data input/output A7
  • Pin 9 (A8): Data input/output A8
  • Pin 10 (GND): Ground
  • Pin 11 (B8): Data input/output B8
  • Pin 12 (B7): Data input/output B7
  • Pin 13 (B6): Data input/output B6
  • Pin 14 (B5): Data input/output B5
  • Pin 15 (B4): Data input/output B4
  • Pin 16 (B3): Data input/output B3
  • Pin 17 (B2): Data input/output B2
  • Pin 18 (B1): Data input/output B1
  • Pin 19 (/OE): Output enable (active low)
  • Pin 20 (VCC): Supply voltage

Electrical Characteristics:

  • Supply Voltage (Vcc): 4.75V to 5.25V
  • Input Voltage (Vin): 0V to Vcc
  • Output Voltage (Vout): 0V to Vcc
  • Low Input Current (Iin): ±0.1μA max
  • Low Output Current (Iout): ±24mA max
  • Propagation Delay: Typically 15ns
  • Power Consumption: Low power consumption due to Schottky technology

Note: Product images are for illustrative purposes only and may differ from the actual product.

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