HD74LS191

Rev.2.00, Feb.18.2005, page 8 of 10

Waveforms 2

Load

→Q, Data→Q

Load

Data

(A to D)

Output Q

1.3V

1.3V

1.3V

1.3V

1.3V

1.3V

1.3V

1.3V

0V

3V

0V

3V

Note:

Conditions on other inputs are irrelevant.

Waveforms 3

G

→Ripple CK, CK→Ripple CK, Down / Up→Ripple CK, Down / Up→Max / Min

Load

Down/Up

Clock

G

Ripple/Clock

Max/Min

1.3V

1.3V

1.3V

1.3V

1.3V

1.3V

1.3V

1.3V

1.3V

1.3V

0V

3V

0V

3V

0V

3V

0V

3V