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74HC374 Datasheet(PDF) 5 Page - NXP Semiconductors

Part No. 74HC374
Description  Octal D-type flip-flop; positive edge-trigger; 3-state
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Manufacturer  PHILIPS [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

74HC374 Datasheet(HTML) 5 Page - NXP Semiconductors

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December 1990
5
Philips Semiconductors
Product specification
Octal D-type flip-flop; positive edge-trigger;
3-state
74HC/HCT374
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 =50pF
SYMBOL
PARAMETER
Tamb (°C)
UNIT
TEST CONDITIONS
74HC
VCC
(V)
WAVEFORMS
+25
−40 to +85 −40 to +125
min.
typ.
max. min. max. min.
max.
tPHL/ tPLH
propagation delay
CP to Qn
50
18
14
165
33
28
205
41
35
250
50
43
ns
2.0
4.5
6.0
Fig.6
tPZH/ tPZL
3-state output enable time
OE to Qn
41
15
12
150
30
26
190
38
33
225
45
38
ns
2.0
4.5
6.0
Fig.7
tPHZ/ tPLZ
3-state output disable time
OE to Qn
50
18
14
150
30
26
190
38
33
225
45
38
ns
2.0
4.5
6.0
Fig.7
tTHL/ tTLH
output transition time
14
5
4
60
12
10
75
15
13
90
18
15
ns
2.0
4.5
6.0
Fig.6
tW
clock pulse width
HIGH or LOW
80
16
14
19
7
6
100
20
17
120
24
20
ns
2.0
4.5
6.0
Fig.6
tsu
set-up time
Dn to CP
60
12
10
14
5
4
75
15
13
90
18
15
ns
2.0
4.5
6.0
Fig.8
th
hold time
Dn to CP
5
5
5
−6
−2
−2
5
5
5
5
5
5
ns
2.0
4.5
6.0
Fig.8
fmax
maximum clock pulse
frequency
6.0
30
35
23
70
83
4.8
24
28
4.0
20
24
MHz
2.0
4.5
6.0
Fig.6


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