74HC574 데이터 시트보기 (PDF) - NXP Semiconductors.
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74HC574 Datasheet PDF : 7 Pages
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Philips Semiconductors
Octal D-type flip-flop; positive edge-trigger;
3-state
Product specification
74HC/HCT574
DC CHARACTERISTICS FOR 74HC
For the DC characteristics see “74HC/HCT/HCU/HCMOS Logic Family Specifications”.
Output capability: bus driver
ICC category: MSI
AC CHARACTERISTICS FOR 74HC
GND = 0 V; tr = tf = 6 ns; CL = 50 pF
Tamb (°C)
TEST CONDITIONS
SYMBOL PARAMETER
min.
+25
typ.
max.
74HC
−40 to +85
min. max.
−40 to +125
min. max.
UNIT
VCC
(V)
WAVEFORMS
tPHL/ tPLH propagation delay
CP to Qn
47 150
190
225 ns 2.0 Fig.6
17 30
35
45
4.5
14 26
33
38
6.0
tPZH/ tPZL 3-state output enable
44 140
175
210 ns 2.0 Fig.7
time OE to Qn
16 28
35
42
4.5
13 24
30
36
6.0
tPHZ/ tPLZ 3-state output disable
39 125
155
190 ns 2.0 Fig.7
time OE to Qn
14 25
31
38
4.5
11 21
26
32
6.0
tTHL/ tTLH output transition time
14 60
75
90 ns 2.0 Fig.6
5 12
15
18
4.5
4 10
13
15
6.0
tW
clock pulse width
80 14
HIGH or LOW
16 5
14 4
100
120
20
24
17
20
ns 2.0 Fig.6
4.5
6.0
tsu
set-up time
Dn to CP
60 6
12 2
10 2
75
90
15
18
13
15
ns 2.0 Fig.8
4.5
6.0
th
hold time
Dn to CP
50
5
5
50
5
5
50
5
5
fmax
maximum clock pulse 6.0 37
4.8
4.0
frequency
30 112
24
20
35 133
28
24
ns 2.0 Fig.8
4.5
6.0
MHz 2.0 Fig.6
4.5
6.0
December 1990
5
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