74AC373_97 查看數據表（PDF） - STMicroelectronics
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74AC373_97 Datasheet PDF : 10 Pages
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74AC373
AC ELECTRICAL CHARACTERISTICS (CL = 50 pF, RL = 500 Ω, Input tr = tf =3 ns)
Symbol
P ar ame te r
tPLH Propagation Delay Time
tPHL LE to Q
tPLH Propagation Delay Time
tPHL D 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
(*) Voltage range is 3.3V ± 0.3V
(**) Voltage range is 5V ± 0.5V
Test Condition
V CC
(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(**)
Value
TA = 25 oC
-40 to 85 oC
Min. Typ. Max. Min. Max.
6.5 12.0
14.0
5.0 9.5
10.5
6.5 12.0
14.0
5.0 9.5
10.5
7.0 11.0
13.0
5.0 8.5
9.5
7.5 12.0
13.0
6.5 9.0
10.0
1.5 5.5
6.0
1.5 4.0
4.5
0.5 5.5
6.0
0.5 4.0
4.5
-0.5 1.0
5.0
-0.5 1.0
5.0
Unit
ns
ns
ns
ns
ns
ns
ns
CAPACITIVE CHARACTERISTICS
Symbol
P ar ame te r
Test Conditions
V CC
(V)
Value
TA = 25 oC
-40 to 85 oC
Min. Typ. 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)
20
pF
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 • VCC • fIN + ICC/n (per circuit)
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