m54hc125k1 STMicroelectronics, m54hc125k1 Datasheet - Page 4

• Manufacturer Part Number: m54hc125k1
• Description: Quad Bus Buffers 3-state
• Manufacturer: STMicroelectronics

M54HC125
AC ELECTRICAL CHARACTERISTICS (Input t
CAPACITIVE CHARACTERISTICS
1) C
load. (Refer to Test Circuit). Average operating current can be obtained by the following equation. I
4/9
t
t
t
t
Symbol
Symbol
PLH
PZL
PLZ
TLH
C
C
PD
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
(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
(V)
5.0
5.0
CC
CC
Test Condition
Test Condition
(pF)
150
150
C
50
50
50
50
L
R
R
R
L
L
L
= 1 K
= 1 K
= 1 K
r
= t
f
= 6ns)
Min.
Min.
T
T
A
A
Typ.
Typ.
= 25°C
= 25°C
20
36
52
13
11
36
52
13
11
48
12
10
35
6
5
9
8
9
8
5
Max.
Max.
105
105
60
12
10
75
15
13
21
18
75
15
13
21
18
80
16
14
10
CC(opr)
Value
Value
Min.
Min.
-40 to 85°C
-40 to 85°C
= C
Max.
Max.
130
130
100
PD
75
15
13
95
19
16
26
22
95
19
16
26
22
20
17
10
x V
CC
-55 to 125°C
-55 to 125°C
Min.
Min.
x f
IN
+ I
CC
Max.
Max.
110
160
110
160
120
90
18
15
22
19
32
27
22
19
32
27
24
20
10
/4 (per buffer)
Unit
Unit
pF
pF
ns
ns
ns
ns
ns
ns