Datasheet

1998 Jul 08 4
Philips Semiconductors Product specification
Hex D-type flip-flop with reset; positive-edge trigger 74HC/HCT174
FUNCTION TABLE
Note
1. H = HIGH voltage level
h = HIGH voltage level one set-up time prior to the LOW-to-HIGH CP transition
L = LOW voltage level
I = LOW voltage level one set-up time prior to the LOW-to-HIGH CP transition
X = don’t care
↑= LOW-to-HIGH CP transition
OPERATING MODES
INPUTS OUTPUTS
MR CP D
n
Q
n
reset (clear) L X X L
load “1” H ↑ hH
load “0” H ↑ IL
Fig.4 Functional diagram.
Fig.5 Logic diagram.