DESCRIPTION The M54/74HCT393 is a high speed CMOS DUAL BINARY COUNTER fabricated in silicon gate C2MOS technology. It has the same high speed performance of LSTTL combined with true COMS low power consumption. ■ HIGH SPEED fMAX = 80 MHz (TYP.) AT VCC = 5 V ■ LOW POWER DISSIPATION ICC = 4 µA (MAX.) AT TA = 25 °C ■ COMPATIBLE WITH TTL OUTPUTS VIH = 2V (MIN.) VIL = 0.8V (MAX) ■ OUTPUT DRIVE CAPABILITY 10 LSTTL LOADS ■ SYMMETRICAL OUTPUT IMPEDANCE |IOH| = IOL = 4 mA (MIN.) ■ BALANCED PROPAGATION DELAYS tPLH = tPHL ■ PIN AND FUNCTION COMPATIBLE WITH 54/74LS393
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