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74HCT245D Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
74HCT245DNXP200Yes

74HCT245D** is an octal bus transceiver manufactured by **NXP Semiconductors**.

The 74HCT245D is an octal bus transceiver manufactured by NXP Semiconductors.

Specifications:

  • Logic Family: 74HCT (High-Speed CMOS with TTL-compatible inputs)
  • Function: Octal bidirectional bus transceiver (3-state outputs)
  • Number of Channels: 8 (non-inverting)
  • Supply Voltage Range (VCC): 4.5V to 5.5V
  • Input Voltage Levels: TTL-compatible (0.8V low, 2.0V high)
  • Output Current: ±6 mA (balanced drive)
  • Propagation Delay: ~13 ns (typical at 5V)
  • Operating Temperature Range: -40°C to +125°C
  • Package: SO20 (20-pin SOIC)

Descriptions:

The 74HCT245D is a bidirectional transceiver designed for asynchronous communication between data buses. It features 3-state outputs, allowing multiple devices to share a common bus without interference. The direction of data flow is controlled by the DIR (Direction Control) pin, while the OE (Output Enable) pin enables/disables the outputs.

Features:

  • Bidirectional Data Flow: Controlled by DIR pin
  • 3-State Outputs: High-impedance state when disabled
  • TTL-Compatible Inputs: Works with both CMOS and TTL logic levels
  • Low Power Consumption: CMOS technology
  • ESD Protection: HBM JESD22-A114F exceeds 2000V

This IC is commonly used in bus interfacing, data buffering, and signal isolation in digital systems.

Would you like additional details on pin configuration or application notes?

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