Description:
This device acts as a 4-pole double throw switch. Inside the package four AND-DR select gates with common select logic are found.
Functional Diagram and/ or Package:
Pin Names:
Vdd - Positive Supply Voltage (3V to 15V]
Vss - Ground
AS, BS - Selection Inputs
A1, B1, A2, B2, A3, B2, A4, B4 - Inputs
O1, O2, O3, O4 – Outputs
Truth Table:
Operation Mode:
The function selecticnis made by the inputs AS and BS according the truth table.
Electrical Characteristics:
Other Devices:
The 4519 is similar, but has the option of an exclusive OR function.
Applications:
Select Gating [AND-DR]
AND-OR/Exclusive DR Selectors
True/Complement Selectors
Shift Left/Shift Right Registers
Observations:
This circuit acts only as a data selector - it isn’t a data distributor.
