74HC574-Q100; 74HCT574-Q100
Nexperia
Octal D-type flip-flop; positive edge-trigger; 3-state
Table 7.
Dynamic characteristics …continued
Voltages are referenced to GND (ground = 0 V); CL = 50 pF unless otherwise specified; for test circuit see Figure 10.
Symbol Parameter Conditions 25 C 40 C to +85 C 40 C to +125 C Unit
Typ Max Min
Min
Max
Min
Max
[5]
[1]
CPD
power
dissipation
capacitance
CL = 50 pF; f = 1 MHz;
VI = GND to VCC
-
22
-
-
-
-
-
pF
74HCT574-Q100
tpd
propagation CP to Qn; see Figure 7
delay
VCC = 4.5 V
-
-
18
15
33
-
-
-
41
-
-
-
50
-
ns
ns
VCC = 5 V; CL = 15 pF
enable time OE to Qn; see Figure 9
VCC = 4.5 V
[2]
[3]
[4]
ten
tdis
tt
-
-
-
19
16
5
33
28
12
-
-
-
41
35
15
-
-
-
50
42
18
ns
ns
ns
disable time OE to Qn; see Figure 9
VCC = 4.5 V
transition
time
Qn; see Figure 7
VCC = 4.5 V
tW
pulse width CP HIGH or LOW;
see Figure 8
VCC = 4.5 V
set-up time Dn to CP; see Figure 8
VCC = 4.5 V
16
12
5
7
3
-
-
-
20
15
5
-
-
-
24
18
5
-
-
-
ns
ns
ns
tsu
th
hold time
Dn to CP; see Figure 8
VCC = 4.5 V
1
fmax
maximum
frequency
CP; see Figure 7
VCC = 4.5 V
30
-
69
76
25
-
-
-
24
-
-
-
-
20
-
-
-
-
MHz
MHz
pF
VCC = 5 V; CL = 15 pF
[5]
CPD
power
CL = 50 pF; f = 1 MHz;
-
-
-
dissipation
capacitance
VI = GND to VCC 1.5 V
[1] tpd is the same as tPLH and tPHL
[2] ten is the same as tPZH and tPZL
[3] tdis is the same as tPLZ and tPHZ
[4] tt is the same as tTHL and tTLH
.
.
.
.
[5] CPD is used to determine the dynamic power dissipation (PD in W).
PD = CPD VCC2 fi N + (CL VCC2 fo) where:
fi = input frequency in MHz;
fo = output frequency in MHz;
CL = output load capacitance in pF;
VCC = supply voltage in V;
N = number of inputs switching;
(CL VCC2 fo) = sum of outputs.
74HC_HCT574_Q100
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Nexperia B.V. 2017. All rights reserved
Product data sheet
Rev. 2 — 26 January 2015
8 of 17
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