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Low quiescent current: 80 µA maximum (74HC Series)
Low input current: 1 µA maximum
Fanout of 10 LS-TTL loads
Simple pulse width formula T = RC
Wide pulse range: 400 ns to • (typ)
Part to part variation: ±5% (typ)
Schmitt Trigger A & B inputs enable infinite signal input rise or fall times
MM74HC221A General Description
Dual Non-Retriggerable Monostable Multivibrator
MM74HC221A Maximum Ratings
Supply Voltage (VCC) -0.5V to +7.0V DC Input Voltage (VIN) -1.5V to VCC+1.5V DC Output Voltage (VOUT) -0.5V to VCC+0.5V Clamp Diode Current (IIK, IOK) ±20 mA DC Output Current, per pin (IOUT) ±25 mA DC VCC or GND Current, per pin (ICC) ±50 mA Storage Temperature Range (TSTG) -65°C to +150°C Power Dissipation (PD) (Note 3) 600 mW S.O. Package only 500 mW Lead Temperature (TL) (Soldering 10 seconds) 260°C
MM74HC221A Features
Typical propagation delay: 40 ns
Wide power supply range: 2V-6V
Low quiescent current: 80 µA maximum (74HC Series)
Low input current: 1 µA maximum
Fanout of 10 LS-TTL loads
Simple pulse width formula T = RC
Wide pulse range: 400 ns to • (typ)
Part to part variation: ±5% (typ)
Schmitt Trigger A & B inputs enable infinite signal input rise or fall times