Philips Semiconductors
Product specification
Hex D-type flip-flop with reset; positive-edge trigger
AC WAVEFORMS
74HC/HCT174
(1)
HC : V
M
= 50%; V
I
= GND to V
CC
.
HCT : V
M
= 1.3 V; V
I
= GND to 3 V.
(1)
HC : V
M
= 50%; V
I
= GND to V
CC
.
HCT : V
M
= 1.3 V; V
I
= GND to 3 V.
Fig.6
Waveforms showing the clock (CP) to output
(Q
n
) propagation delays, the clock pulse
width, the output transition times and the
maximum clock pulses frequency.
Fig.7
Waveforms showing the master reset (MR)
pulse width, the master reset to output (Q
n
)
propagation delays and the master reset to
clock (CP) removal time.
(1)
HC : V
M
= 50%; V
I
= GND to V
CC
.
HCT : V
M
= 1.3 V; V
I
= GND to 3 V.
The shaded areas indicate when the input is permitted to
change for predictable output performance
Fig.8 Waveforms showing the data set-up and hold times for the data input (D
n
).
1998 Jul 08
7
PHILIPS [ NXP SEMICONDUCTORS ]
