74AC373B データシートの表示（PDF） - STMicroelectronics
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74AC373B Datasheet PDF : 11 Pages
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74AC373
AC ELECTRICAL CHARACTERISTICS (CL = 50 pF, RL = 500 Ω, Input tr = tf = 3ns)
Test Condition
Value
Symbol
Parameter
VCC
(V)
tPLH tPHL Propagation Delay
Time
LE to Q
tPLH tPHL Propagation Delay
Time
D to Q
tPZL tPZH Output Enable
Time
tPLZ tPHZ Output Disable
Time
tW CLOCK Pulse
Width HIGH or
LOW
ts
Setup Time D to
CLOCK, HIGH or
LOW
th Hold Time D to
CLOCK, 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.
6.5 12.0
5.0 9.5
14.0
10.5
14.0
ns
10.5
6.5 12.0
5.0 9.5
14.0
10.5
14.0
ns
10.5
7.0 11.0
5.0 8.5
7.5 12.0
6.5 9.0
1.5 5.5
1.5 4.0
13.0
9.5
13.0
10.0
6.0
4.5
13.0
ns
9.5
13.0
ns
10.0
6.0
ns
4.5
0.5 5.5
6.0
6.0
ns
0.5 4.0
4.5
4.5
-0.5 1.0
5.0
5.0
ns
-0.5 1.0
5.0
5.0
(*) 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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