DESCRIPTION

The 74VHC157 is an advanced 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 multiplexer 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°C

■ HIGH NOISE IMMUNITY: VNIH = VNIL = 28 VCC (MIN.)

■ POWER DOWN PROTECTION ON INPUTS

■ SYMMETRICAL OUTPUT IMPEDANCE: |IOH| = IOL = 8 mA (MIN)

■ BALANCED PROPAGATION DELAYS: tPLH ≅ tPHL

■ OPERATING VOLTAGE RANGE: VCC(OPR) = 2V to 5.5V

■ PIN AND FUNCTION COMPATIBLE WITH 74 SERIES 157

■ IMPROVED LATCH-UP IMMUNITY

■ LOW NOISE: VOLP = 0.8V (MAX.)