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SN74HC245DW Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
SN74HC245DWTI1000Yes

SN74HC245DW is an octal bus transceiver manufactured by Texas Instruments (TI).

The SN74HC245DW is an octal bus transceiver manufactured by Texas Instruments (TI). Here are its specifications, descriptions, and features:

Specifications:

  • Logic Type: Octal Bus Transceiver
  • Voltage Supply Range: 2V to 6V
  • High-Level Input Voltage (Min): 2V
  • Low-Level Input Voltage (Max): 0.8V
  • Operating Temperature Range: -40°C to 85°C
  • Output Current: ±7.8mA
  • Propagation Delay: 14ns (typical at 5V)
  • Package Type: SOIC (DW) – 20-pin
  • Direction Control: Yes (DIR pin)
  • Output Enable: Yes (OE pin)

Descriptions:

The SN74HC245DW is a high-speed CMOS logic octal bus transceiver designed for bidirectional communication between data buses. It features non-inverting 3-state outputs and is compatible with TTL levels. The direction of data flow is controlled by the DIR (Direction Control) pin, while the OE (Output Enable) pin allows the outputs to be placed in a high-impedance state.

Features:

  • Bidirectional Data Flow: Controlled by the DIR pin.
  • 3-State Outputs: Allows bus isolation when OE is high.
  • Wide Operating Voltage: 2V to 6V.
  • High Noise Immunity: CMOS technology ensures low power consumption and noise resistance.
  • Balanced Propagation Delays: Ensures reliable data transmission.
  • Low Power Consumption: Typical ICC of 80µA.
  • TTL-Compatible Inputs: Works with both CMOS and TTL logic levels.

This device is commonly used in bus-oriented systems, such as microprocessors, memory interfaces, and data communication systems.

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