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74AC374B Datasheet(PDF) 5 Page - STMicroelectronics

No. de pieza 74AC374B
Descripción Electrónicos  OCTAL D-TYPE FLIP FLOP WITH 3 STATE OUTPUT NON INVERTING
PDF  11 Pages
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Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

74AC374B Datasheet(HTML) 5 Page - STMicroelectronics

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74AC374
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AC ELECTRICAL CHARACTERISTICS (CL = 50 pF, RL = 500 Ω, Input tr = tf = 3ns)
(*) Voltage range is 3.3V
± 0.3V
(**) Voltage range is 5.0V
± 0.5V
CAPACITIVE CHARACTERISTICS
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)
Symbol
Parameter
Test Condition
Value
Unit
VCC
(V)
TA = 25°C
-40 to 85°C
-55 to 125°C
Min.
Typ.
Max.
Min.
Max.
Min.
Max.
tPLH tPHL Propagation Delay
Time
CK to Q
3.3(*)
6.5
13.5
15.5
16.5
ns
5.0(**)
5.0
9.5
10.5
12.0
tPZL tPZH Output Enable
Time
3.3(*)
7.5
12.0
13.0
14.0
ns
5.0(**)
5.5
9.0
9.5
10.5
tPLZ tPHZ Output Disable
Time
3.3(*)
7.5
12.5
14.5
16.0
ns
5.0(**)
6.0
11.0
12.5
12.5
tW
CLOCK Pulse
Width HIGH or
LOW
3.3(*)
1.5
5.0
6.0
6.0
ns
5.0(**)
1.5
4.0
5.0
5.0
ts
Setup Time D to
CK, HIGH or LOW
3.3(*)
-0.5
5.0
5.0
5.0
ns
5.0(**)
-0.5
4.0
4.0
4.0
th
Hold Time D to CK,
HIGH or LOW
3.3(*)
0.5
2.0
3.0
3.0
ns
5.0(**)
0.5
2.0
3.0
3.0
fMAX
Maximum Clock
Frequency
3.3(*)
60
250
60
60
MHz
5.0(**)
100
270
100
100
Symbol
Parameter
Test Condition
Value
Unit
VCC
(V)
TA = 25°C
-40 to 85°C
-55 to 125°C
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
1)
5.0
fIN = 10MHz
18
pF



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