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M54HC540 Datenblatt(PDF) 5 Page - STMicroelectronics

Teilenummer M54HC540
Bauteilbeschribung  RAD-HARD OCTAL BUS BUFFER WITH 3 STATE OUTPUTS (INVERTED)
PDF  11 Pages
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Hersteller  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
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M54HC540 Datenblatt(HTML) 5 Page - STMicroelectronics

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Table 6: AC Electrical Characteristics (CL = 50 pF, Input tr =tf = 6ns)
Table 7: 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/8 (per gate)
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
25
60
75
90
ns
4.5
7
12
19
18
6.0
6
10
13
15
tPLH tPHL Propagation Delay
Time
2.0
50
40
85
105
130
ns
4.5
10
17
21
26
6.0
9
14
18
22
2.0
150
56
115
145
175
ns
4.5
14
23
29
35
6.0
12
20
25
30
tPZL tPZH High Impedance
Output Enable
Time
2.0
50
RL =1 KΩ
47
110
140
165
ns
4.5
13
22
28
33
6.0
11
19
24
28
2.0
150
RL =1 KΩ
61
135
170
205
ns
4.5
17
27
34
41
6.0
14
23
29
35
tPLZ tPHZ High Impedance
Output Disable
Time
2.0
50
RL =1 KΩ
52
110
140
165
ns
4.5
15
22
28
33
6.0
13
19
24
28
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
31
pF



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