m54hc541k1 STMicroelectronics, m54hc541k1 Datasheet - Page 5

• Manufacturer Part Number: m54hc541k1
• Description: Octal Bus Buffer With 3 State Outputs Hc540 Inverted - Hc541 Non Inverted
• Manufacturer: STMicroelectronics

Table 6: AC Electrical Characteristics (C
Table 7: Capacitive Characteristics
1) C
load. (Refer to Test Circuit). Average operating current can be obtained by the following equation. I
t
t
t
t
Symbol
Symbol
PLH
PZL
PLZ
TLH
C
PD
C
PD
IN
t
t
t
t
PZH
PHZ
is defined as the value of the IC’s internal equivalent capacitance which is calculated from the operating current consumption without
THL
PHL
Output Transition
Time
Propagation Delay
Time
High Impedance
Output Enable
Time
High Impedance
Output Disable
Time
Input Capacitance
Power Dissipation
Capacitance (note
1)
Parameter
Parameter
V
V
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
5.0
5.0
(V)
(V)
CC
CC
Test Condition
Test Condition
(pF)
150
150
C
50
50
50
50
L
R
R
R
L
L
L
L
= 50 pF, Input t
= 1 K
= 1 K
= 1 K
Min.
Min.
T
T
A
A
r
Typ.
Typ.
= 25°C
= 25°C
= t
25
40
10
56
14
12
47
13
61
17
14
52
15
13
31
11
7
6
9
5
f
= 6ns)
Max.
Max.
115
135
110
110
60
12
10
85
17
14
23
20
22
19
27
23
22
19
10
CC(opr)
Value
Value
-40 to 85°C
Min.
-40 to 85°C
Min.
= C
Max.
Max.
PD
105
145
140
170
140
75
19
13
21
18
29
25
28
24
34
29
28
24
10
x V
CC
-55 to 125°C
-55 to 125°C
Min.
Min.
x f
IN
+ I
M54HC541
CC
Max.
Max.
130
175
165
205
165
90
18
15
26
22
35
30
33
28
41
35
33
28
10
/8 (per circuit)
Unit
Unit
pF
pF
ns
ns
ns
ns
ns
ns
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