M74HC221 Datasheet (ST Microelectronics) - DUAL MONOSTABLE MULTIVIBRATOR

M74HC221, DUAL MONOSTABLE MULTIVIBRATOR

The M54/74HC221/221A are high speed CMOS MONOSTABLE multivibrators fabricated with silicon gate C2MOS technology.

It achieves the high speed operation similar to equivalent LSTTL while maintaining the CMOS low power dissipation.

There are two trigger inputs, A INPUT (negative edge) and B INPUT (posi

M54HC221/221A M74HC221/221A DUAL MONOSTABLE MULTIVIBRATOR .

HIGH SPEED tPD = 25 ns (TYP) at VCC = 5V LOW POWER DISSIPATION STANDBY STATE ICC=4 µA (MAX.) AT TA=25°C ACTIVE STATE ICC = 700 µA (MAX.) AT VCC=5V 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 WIDE OUTPUT PULSE WIDTH RANGE tWOUT = 150