74LVC74A PHILIPS [NXP Semiconductors], 74LVC74A Datasheet - Page 6

• Manufacturer Part Number: 74LVC74A
• Description: Dual D-type flip-flop with set and reset; positive-edge trigger
• Manufacturer: PHILIPS [NXP Semiconductors]

Philips Semiconductors
AC WAVEFORMS
V
V
V
output load.
1998 Jun 17
NOTE: The shaded areas indicate when the inputis permitted to change for predictable
output performance.
M
M
OL
Figure 1. Clock (nCP) to output (nQ, nQ) propagation delays,
Figure 2. Set (nS
Dual D-type flip-flop with set and reset;
positive-edge trigger
= 1.5 V at V
= 0.5 S V
and V
nQ OUTPUT
nQ OUTPUT
nS D INPUT
nR D INPUT
nCP INPUT
nQ OUTPUT
nQ OUTPUT
nCP INPUT
propagation delays, the set and reset pulse widths
nD INPUT
the nCP to nD hold times, output transition times
V OH
V OH
V OL
V OL
V OH
V OH
V OL
OH
GND
GND
GND
V OL
clock pulse width, nD to nCP set-up times,
GND
GND
CC
V I
V I
V I
are the typical output voltage drop that occur with the
V I
V I
and maximum clock pulse frequency.
CC
at V
and the nRD to nCP removal time.
w 2.7 V
CC
D
) and reset (nR
V M
< 2.7 V
V M
t W
V M
t su
V M
t PLH
t PHL
t h
V M
t W
V M
D
V M
t PHL
t PLH
) input to output (nQ, nQ)
1/f max
V M
t W
t su
t PHL
t PLH
t h
SV00490
SV00489
V M
t rem
t PLH
t PHL
6
TEST CIRCUIT
GENERATOR
PULSE
SWITCH POSITION
t
PLH/
TEST
Figure 3. Load circuitry for switching times.
t
PHL
Open
V
I
S
1
R
T
D.U.T.
V
CC
2.7–3.6V
< 2.7V
V
CC
V
O
C
L
74LVC74A
2.7V
V
Product Specification
V
CC
I
50pF
S
SV00903
1
500
500
2 * V
Open
GND
CC