Data Sheet

©
Nexperia B.V. 2017. All rights reserved
74HC_HCT574 All information provided in this document is subject to legal disclaimers.
Product data sheet Rev. 7 — 4 March 2016 10 of 18
Nexperia
74HC574; 74HCT574
Octal D-type flip-flop; positive edge-trigger; 3-state
Measurement points are given in Table 8.
V
OL
and V
OH
are typical voltage output levels that occur with the output load.
Fig 8. Enable and disable times
DDK
W
3/=
W
3+=
RXWSXWV
GLVDEOHG
RXWSXWV
HQDEOHG
9
<
9
;
RXWSXWV
HQDEOHG
4QRXWSXW
/2:WR2))
2))WR/2:
4QRXWSXW
+,*+WR2))
2))WR+,*+
2(LQSXW
9
,
9
2/
9
2+
9
&&
9
0
*1'
*1'
W
3=/
W
3=+
9
0
9
0
Table 8. Measurement points
Type Input Output
V
M
V
M
V
X
V
Y
74HC574 0.5V
CC
0.5V
CC
0.1V
CC
0.9V
CC
74HCT574 1.3 V 1.3 V 0.1V
CC
0.9V
CC