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74AHC273 データシートの表示(PDF) - Philips Electronics
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74AHC273
Octal D-type flip-flop with reset; positive-edge trigger
Philips Electronics
74AHC273 Datasheet PDF : 20 Pages
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Philips Semiconductors
Octal D-type flip-flop with reset;
positive-edge trigger
Product specification
74AHC273; 74AHCT273
AC CHARACTERISTICS
Type 74AHC273
Ground = 0 V; t
r
= t
f
≤
3.0 ns.
SYMBOL PARAMETER
TEST CONDITIONS
WAVEFORMS C
L
T
amb
(
°
C)
25
−
40 to +85
−
40 to +125 UNIT
MIN. TYP. MAX. MIN. MAX. MIN. MAX.
V
CC
= 3.0 to 3.6 V;
note 1
t
PHL
/t
PLH
t
PHL
f
max
propagation delay
CP to Q
n
propagation delay
MR to Q
n
maximum clock
pulse frequency
see Figs 6 and 9
see Figs 7 and 9
15 pF
−
−
75
t
PHL
/t
PLH
t
PHL
t
W
propagation delay
CP to Q
n
propagation delay
MR to Q
n
clock pulse width
HIGH or LOW
see Figs 6 and 9
see Figs 7 and 9
see Figs 6 and 9
50 pF
−
−
5.0
master reset
see Figs 7 and 9
5.0
pulse width LOW
t
rem
removal time
2.5
MR to CP
t
su
set-up time
see Figs 8 and 9
3.0
D
n
to CP
t
h
hold time
1.0
D
n
to CP
f
max
maximum clock
50
pulse frequency
6.0 13.6 1.0
5.1 13.6 1.0
120
−
65
8.6 17.1 1.0
7.3 17.1 1.0
−
−
6.5
−
−
6.0
−
−
2.5
−
−
3.0
−
−
1.0
75
−
45
16.0 1.0
16.0 1.0
−
65
19.5 1.0
19.5 1.0
−
6.5
−
6.0
−
2.5
−
3.0
−
1.0
−
45
17.0 ns
17.0 ns
−
ns
21.5 ns
21.5 ns
−
ns
−
ns
−
ns
−
ns
−
ns
−
ns
1999 Sep 01
9
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