74LS173 Datasheet (Motorola) - 4-BIT D-TYPE REGISTER

74LS173, 4-BIT D-TYPE REGISTER

SN54/74LS173A 4-BIT D-TYPE REGISTER WITH 3-STATE OUTPUTS 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