DESCRIPTION
The 74VHC157 is an high-speed CMOS QUAD 2-CHANNEL MULTIPLEXER fabricated with sub-micron silicon gate and double-layer metal wiring C2MOS technology.
It consists of four 2-input digital multiplexers with common select and strobe inputs. It is a non-inverting multiplexer.

■ HIGH SPEED: tPD = 4.1 ns (TYP.) at VCC = 5V
■ LOW POWER DISSIPATION: ICC =4 µA (MAX.) at TA = 25 oC
■ HIGH NOISE IMMUNITY: VNIH = VNIL = 28% VCC (MIN.)
■ POWERDOWN PROTECTIONON INPUTS
■ SYMMETRICAL OUTPUT IMPEDANCE: |IOH| = IOL = 8 mA (MIN)
■ BALANCEDPROPAGATIONDELAYS: tPLH ≅ tPHL
■ OPERATING VOLTAGERANGE: VCC (OPR)= 2V to 5.5V
■ PIN AND FUNCTION COMPATIBLE WITH 74 SERIES 157
■ IMPROVED LATCH-UP IMMUNITY
■ LOW NOISE: VOLP = 0.8V(Max.)