74AC273M 데이터 시트보기 (PDF) - STMicroelectronics
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74AC273M Datasheet PDF : 11 Pages
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74AC273
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
CLOCK to Q
tPHL Propagation Delay
Time
CLEAR to Q
tW CLEAR Pulse
Width, LOW
tW CLOCK Pulse
Width
ts
th
tREM
Setup Time D to
CLOCK, HIGH or
LOW
Hold Time D to
CLOCK, HIGH or
LOW
Recovery Time
CLEAR to CLOCK
fMAX 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(**)
3.3(*)
5.0(**)
TA = 25°C
-40 to 85°C -55 to 125°C Unit
Min. Typ. Max. Min. Max. Min. Max.
4.0 7.5 12.5 3.0 14.0 3.0 16.0
ns
3.0 5.0 9.0 2.5 10.0 2.5 11.0
4.0 8.5 13.0 3.0 14.0 3.0 16.0
ns
3.0 6.5 10.0 2.5 11.0 2.5 12.0
5.5
6.0
6.0
ns
4.0
4.5
4.5
5.5
6.0
6.0
ns
4.0
4.5
4.5
5.5
6.0
6.0
ns
4.0
4.5
4.5
1.5
1.5
1.5
ns
1.5
1.5
1.5
4.0
4.5
4.5
ns
3.0
3.0
3.0
90
75
75
MHz
140 250
125
125
(*) 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
CPD Power Dissipation
Capacitance (note 5.0
fIN = 10MHz
32
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/8 (per circuit)
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