74AC573 查看數據表（PDF） - STMicroelectronics
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74AC573 Datasheet PDF : 11 Pages
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74AC573
AC ELECTRICAL CHARACTERISTICS (CL = 50 pF, RL = 500 Ω, Input tr = tf = 3ns)
Test Condition
Value
Symbol
Parameter
VCC
(V)
tPLH tPHL
tPLH tPHL
tPZL tPZH
tPLZ tPHZ
tW
ts
th
Propagation Delay
Time
LE to Q
Propagation Delay
Time
D to Q
Output Enable
Time
Output Disable
Time
CLOCK Pulse
Width HIGH or
LOW
D to CK, HIGH or
LOW
Hold Time D to CK,
HIGH or LOW
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.
6.0 13.0
4.5 9.5
15.0
11.0
16.5
ns
12.5
5.5 13.0
4.5 10.0
15.0
11.5
16.5
ns
13
6.5 11.0
5.0 9.0
7.0 12.5
6.0 11.0
1.5 4.0
1.5 3.5
12.5
10.0
13.5
12.5
4.5
4.0
13.5
ns
11.5
15.0
ns
13.5
4.5
ns
4.0
0.5 3.0
3.5
3.5
ns
0 2.5
3.0
3.0
-0.5 3.0
3.5
3.5
ns
0 2.5
3.0
3.0
(*) 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
20
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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