HD74HC221

Rev.2.00 Jan 31, 2006 page 5 of 7

Waveforms

GND

GND

GND

10 %

90 %

50 %

• Waveform-1

Input A

Input CLR

Input B

Output Q

Output

Q

10 %

90 %

50 %

t

(trigger)

PLH

w

50 %

10 %

90 %

50 %

50 %

90 %

50 %

10 %

10 %

90 %

50 %

50 %

50 %

t

(trigger)

PHL

Notes : 1. Input pulse : PRR

2. The output are measured one at a time with one transition per measurement.