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M54HC125 Datasheet(PDF) 4 Page - STMicroelectronics

Part No. M54HC125
Description  RAD-HARD QUAD BUS BUFFER (3-STATE)
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
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M54HC125 Datasheet(HTML) 4 Page - STMicroelectronics

   
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AC ELECTRICAL CHARACTERISTICS (Input tr =tf =6ns)
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 xVCC xfIN +ICC/4 (per buffer)
Symbol
Parameter
Test Condition
Value
Unit
VCC
(V)
CL
(pF)
TA = 25°C
-40 to 85°C
-55 to 125°C
Min.
Typ.
Max.
Min.
Max.
Min.
Max.
tTLH tTHL Output Transition
Time
2.0
50
20
60
75
90
ns
4.5
6
12
15
18
6.0
5
10
13
15
tPLH tPHL Propagation Delay
Time
2.0
50
36
75
95
110
ns
4.5
9
15
19
22
6.0
8
13
16
19
2.0
150
52
105
130
160
ns
4.5
13
21
26
32
6.0
11
18
22
27
tPZL tPZH High Impedance
Output Enable
Time
2.0
50
RL =1 K
36
75
95
110
ns
4.5
9
15
19
22
6.0
8
13
16
19
2.0
150
RL =1 K
52
105
130
160
ns
4.5
13
21
26
32
6.0
11
18
22
27
tPLZ tPHZ High Impedance
Output Disable
Time
2.0
50
RL =1 K
48
80
100
120
ns
4.5
12
16
20
24
6.0
10
14
17
20
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
5
10
10
10
pF
CPD
Power Dissipation
Capacitance (note
1)
5.0
35
pF


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