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Part Number: 74LS173A

 

 

Package Cooled: 98

D/C: SOP

Description: The SN54/74LS173A is a high-speed 4-Bit Register featuring 3-state outputs for use in bus-organized sy...


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74LS173A General Description


The SN54/74LS173A is a high-speed 4-Bit Register featuring 3-state outputs for use in bus-organized systems. The clock is fully edge-triggered allowing either a load from the D inputs or a hold (retain register contents) depending on the state of the Input Enable Lines (IE1, IE2). A HIGH on either Output Enable line (OE1, OE2) brings the output to a high impedance state without affecting the actual register contents. A HIGH on the Master Reset (MR) input resets the Register regardless of the state of the Clock (CP), the Output Enable (OE1, OE2) or the Input Enable (IE1, IE2) lines.

74LS173A Features

• Fully Edge-Triggered
• 3-State Outputs
• Gated Input and Output Enables
• Input Clamp Diodes Limit High-Speed Termination Effects

74LS173A Connection Diagram

74LS173A  Connection Diagram

74LS173A datasheet

74L71
PDF/DataSheet Download

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