M74AC574B 查看數據表（PDF） - STMicroelectronics
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M74AC574B Datasheet PDF : 11 Pages
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74AC574
AC ELECTRICAL CHARACTERISTICS (CL = 50 pF, RL = 500 Ω, Input tr = tf =3 ns)
Symb ol
Parameter
tPLH Propagation Delay Time
tPHL CK to Q
tPZL Output EnableTime
tPZH
tPLZ Output Disable Time
tPHZ
tw Clock Pulse Width HIGH
or LOW
ts Setup Time Q to CK
HIGH or LOW
th Hold Time Q to CK
HIGH or LOW
fMAX Maximum Clock
Frequency
(*) Voltage range is 3.3V ± 0.3V
(**) Voltage range is 5V ± 0.5V
T est Con ditio n
VCC
(V)
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(**)
Valu e
TA = 25 oC
-40 to 85 oC
Min. T yp. Max. Min. Max.
6.5 12
13.5
5 8.5
9.5
7
11
12
5
8
9
6.5 9
10.5
5 7.5
8.5
1.5 6
7
1.5 4
5
-0.5 2.5
3
0 1.5
2
0.5 2.5
3
0 1.5
2
75 200
60
95 220
85
Unit
ns
ns
ns
ns
ns
ns
MHz
CAPACITIVE CHARACTERISTICS
Symb ol
Parameter
Test Conditions
VCC
(V)
Valu e
TA = 25 oC
-40 to 85 oC
Min. T yp. Max. Min. Max.
Unit
COUT Output Capacitance
5.0
8
pF
CIN Input Capacitance
5.0
4
pF
CPD Power Dissipation
5.0
Capacitance (note 1)
18
pF
1) CPD isdefined as the value of the IC’sinternal equivalent capacitance which is calculated fromthe operating current consumption without load. (Referto
Test Circuit).Average operating current can be obtained by the following equation. ICC(opr) = CPD • VCC • fIN + ICC/n (per circuit)
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