Datasheet

74AHC_AHCT273_3 © NXP B.V. 2008. All rights reserved.
Product data sheet Rev. 03 — 13 May 2008 11 of 18
NXP Semiconductors
74AHC273; 74AHCT273
Octal D-type flip-flop with reset; positive-edge trigger
Measurement points are given in Table 8.
The shaded areas indicate when the input is permitted to change for predictable output performance.
V
OL
and V
OH
are typical voltage output levels that occur with the output load.
Fig 9. Data set-up and hold times
mna202
GND
GND
t
h
t
h
t
su
t
su
V
M
V
M
V
M
V
I
V
OH
V
OL
V
I
Qn output
CP input
Dn input
Table 8. Measurement points
Type Input Output
V
M
V
M
74AHC273 0.5 × V
CC
0.5 × V
CC
74AHCT273 1.5 V 0.5 × V
CC