74HCT257 Quad 2 Input Multiplexer With 3 State Outputs IC (74HCT257 IC)

The 74HCT257 is a high speed CMOS quad 2 input multiplexer with TTL compatible input levels and 3 state outputs. It selects one of two input lines for each channel based on a common select input.

This IC is used in data selection, signal routing, and bus control applications where multiple data sources need to be managed efficiently. It ensures reliable performance in digital systems.

Key Features

• Quad 2 input multiplexer
• Common select control input
• 3 state output control
• Four independent channels
• Suitable for data routing applications
• High speed CMOS logic operation

Specifications

• IC Type = Quad 2 Input Multiplexer
• Logic Family = 74HCT
• Supply Voltage = 4.5V to 5.5V
• Package Type = DIP
• Number of Pins = 16
• Number of Channels = 4
• Operating Temperature = -40C to +85C

Interfaces

• VCC = Power supply
• GND = Ground
• A1 A2 A3 A4 = Input lines set A
• B1 B2 B3 B4 = Input lines set B
• S = Select control input
• OE = Output enable control