74AC574 Ver la hoja de datos (PDF) - STMicroelectronics
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74AC574 Datasheet PDF : 11 Pages
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74AC574
AC ELECTRICAL CHARACTERISTICS (CL = 50 pF, RL = 500 Ω, Input tr = tf = 3ns)
Test Condition
Value
Symbol
Parameter
VCC
(V)
tPLH tPHL
tPZL tPZH
tPLZ tPHZ
tW
ts
th
fMAX
Propagation Delay
Time
CK to Q
Output Enable
Time
Output Disable
Time
CLOCK Pulse
Width HIGH or
LOW
Setup Time D to
CK, HIGH or LOW
Hold Time D to CK,
HIGH or LOW
Maximum Clock
Frequency
3.3(*)
5.0(**)
3.3(*)
5.0(**)
3.3(*)
5.0(**)
3.3(*)
5.0(**)
3.3(*)
5.0(**)
3.3(*)
5.0(**)
3.3(*)
5.0(**)
TA = 25°C
-40 to 85°C -55 to 125°C Unit
Min. Typ. Max. Min. Max. Min. Max.
6.5 13.5
5.0 9.5
15.0
11.0
16.5
ns
11.5
7.0 11.0
5.0 8.5
6.5 12.0
5.0 9.5
1.5 6.0
1.5 4.0
12.0
9.0
13.0
10.5
7.0
5.0
13.0
ns
9.5
14.0
ns
11.5
7.0
ns
5.0
-0.5 2.5
3.0
3.0
ns
0 1.5
2.0
2.0
0.5 2.5
3.0
3.0
ns
0 1.5
2.0
2.0
75 220
60
95 250
85
60
MHz
85
(*) Voltage range is 3.3V ± 0.3V
(**) Voltage range is 5.0V ± 0.5V
CAPACITIVE CHARACTERISTICS
Test Condition
Value
Symbol
Parameter
VCC
(V)
TA = 25°C
-40 to 85°C -55 to 125°C Unit
Min. Typ. Max. Min. Max. Min. Max.
CIN Input Capacitance 5.0
4
pF
COUT
Output
Capacitance
5.0
8
pF
CPD Power Dissipation
Capacitance (note 5.0
fIN = 10MHz
18
pF
1)
1) CPD is defined as the value of the IC’s internal equivalent capacitance which is calculated from the operating current consumption without
load. (Refer to Test Circuit). Average operating current can be obtained by the following equation. ICC(opr) = CPD x VCC x fIN + ICC/n (per circuit)
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