m54hc158k1 STMicroelectronics, m54hc158k1 Datasheet - Page 5

• Manufacturer Part Number: m54hc158k1
• Description: Hc158 Quad 2 Channel Multiplexer Inv. Hc157 Quad 2 Channel Multiplexer
• 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
nel)
Figure 4: Test Circuit
C
R
t
t
t
t
Symbol
Symbol
L
T
PLH
PLH
PLH
TLH
= 50pF or equivalent (includes jig and probe capacitance)
= Z
C
PD
C
PD
IN
OUT
t
t
t
t
is defined as the value of the IC’s internal equivalent capacitance which is calculated from the operating current consumption without
THL
PHL
PHL
PHL
of pulse generator (typically 50 )
Output Transition
Time
Propagation Delay
Time (A, B - Y)
Propagation Delay
Time (SELECT - Y)
Propagation Delay
Time (STROBE -Y)
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
5.0
5.0
(V)
(V)
CC
CC
Test Condition
Test Condition
L
= 50 pF, Input t
Min.
Min.
T
T
A
A
r
Typ.
Typ.
= 25°C
= 25°C
= t
30
30
12
10
50
16
14
36
12
10
47
8
7
5
f
= 6ns)
Max.
Max.
100
125
115
75
15
13
20
17
25
21
23
20
10
Value
Value
CC(opr)
-40 to 85°C
Min.
-40 to 85°C
Min.
= C
Max.
Max.
125
155
145
95
19
16
25
21
31
26
29
25
10
PD
x V
CC
-55 to 125°C
-55 to 125°C
Min.
Min.
x f
IN
M54HC158
+ I
Max.
Max.
110
150
190
175
CC
22
19
30
26
38
32
35
30
10
/4(per chan-
Unit
Unit
pF
pF
ns
ns
ns
ns
5/10