DESCRIPTION The M54/74HC42 is a high speed CMOS BCD-TO-DECIMAL DECODER fabricated in silicon gate C2MOS technology. It has the same high speed performance of LSTTL combined with true CMOS low power consumption. ■ HIGH SPEED tPD = 13 ns (TYP.) AT VCC = 5 V ■ LOW POWER DISSIPATION ICC = 4 µA (MAX.) AT TA = 25 °C ■ HIGH NOISE IMMUNITY VNIH = VNIL = 28 % VCC (MIN.) ■ OUTPUT DRIVE CAPABILITY 10 LSTTL LOADS ■ SYMMETRICAL OUTPUT IMPEDANCE |IOH| = IOL = 4 mA (MIN.) ■ BALANCED PROPAGATION DELAYS tPLH = tPHL ■ WIDE OPERATING VOLTAGE RANGE VCC (OPR) = 2 V TO 6 V ■ PIN AND FUNCTION COMPATIBLE WITH 54/74LS42
|