74AHC74 Philips Semiconductors, 74AHC74 Datasheet - Page 10

• Manufacturer Part Number: 74AHC74
• Description: Dual D-type flip-flop with set and reset; positive-edge trigger
• Manufacturer: Philips Semiconductors

Philips Semiconductors
Type 74AHCT74
GND = 0 V; t
Note
1. Typical values at V
1999 Sep 23
V
t
f
t
t
t
t
t
t
f
SYMBOL
PHL
max
PHL
W
W(st)(rst)
rem
su
h
max
CC
Dual D-type flip-flop with set and reset;
positive-edge trigger
/t
/t
= 4.5 to 5.5 V; note 1
PLH
PLH
r
propagation delay
nCP to nQ, nQ
propagation delay
nS
maximum clock
pulse frequency
propagation delay
nCP to nQ, nQ
propagation delay
nS
clock pulse width
HIGH or LOW
set or reset pulse
width LOW
removal time set or
reset
set-up time
nD to nCP
hold time
nD to nCP
maximum clock
pulse frequency
= t
PARAMETER
D
D
f
nR
nR
3.0 ns.
D
D
to nQ, nQ
to nQ, nQ
CC
= 5.0 V.
see Figs 6 and 8
see Figs 7 and 8
see Figs 6 and 8
see Figs 7 and 8
see Figs 6 and 8
see Figs 7 and 8
see Figs 6 and 8
WAVEFORMS
TEST CONDITIONS
15 pF
50 pF
C
L
10
100
5.0
5.0
3.5
5.0
0
80
MIN.
3.3
3.7
160
4.8
5.3
140
TYP.
25
7.8
10.4
8.8
11.4
MAX. MIN. MAX. MIN. MAX.
T
amb
74AHC74; 74AHCT74
1.0
1.0
80
1.0
1.0
5.0
5.0
3.5
5.0
0
65
40 to +85
( C)
9.0
12.0
10.0
13.0
1.0
1.0
80
1.0
1.0
5.0
5.0
3.5
5.0
0
65
Product specification
40 to +125
10.0
13.0
11.0
14.5
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
UNIT