74lvx157 STMicroelectronics, 74lvx157 Datasheet - Page 4

• Manufacturer Part Number: 74lvx157
• Description: Low Voltage Quad 2 Channel Multiplexer With 5v Tolerant Inputs
• Manufacturer: STMicroelectronics

74LVX157
Table 8: AC Electrical Characteristics (Input t
1) Skew is defined as the absolute value of the difference between the actual propagation delay for any two outputs of the same device switch-
ing in the same direction, either HIGH or LOW
2) Parameter guaranteed by design
(*) Voltage range is 3.3V
Table 9: Capacitive Characteristics
1) C
load. (Refer to Test Circuit). Average operating current can be obtained by the following equation. I
4/12
t
t
t
Symbol
Symbol
PLH
PLH
PLH
t
t
OSLH
OSHL
C
PD
C
PD
IN
t
t
t
is defined as the value of the IC’s internal equivalent capacitance which is calculated from the operating current consumption without
PHL
PHL
PHL
Propagation Delay
Time
(A, B - Y)
Propagation Delay
Time
(SELECT - Y)
Propagation Delay
Time
(STROBE - Y)
Output To Output
Skew Time (note1,
2)
Input Capacitance
Power Dissipation
Capacitance
(note 1)
Parameter
Parameter
0.3V
3.3
3.3
3.3
3.3
3.3
3.3
3.3
V
V
2.7
2.7
2.7
2.7
2.7
2.7
2.7
3.3
3.3
(V)
(V)
CC
CC
(*)
(*)
(*)
(*)
(*)
(*)
(*)
Test Condition
Test Condition
(pF)
C
15
50
15
50
15
50
15
50
15
50
15
50
50
50
L
f
IN
= 10MHz
r
= t
f
= 3ns)
Min.
Min.
T
T
A
A
Typ.
Typ.
11.4
11.6
= 25°C
= 25°C
6.6
9.1
5.1
7.6
8.9
7.0
9.5
9.1
7.2
9.7
0.5
0.5
20
4
Max.
Max.
12.5
16.0
11.4
16.9
20.4
11.0
14.5
17.6
21.1
11.5
15.0
7.9
1.0
1.0
10
CC(opr)
Value
Value
-40 to 85°C
Min.
-40 to 85°C
Min.
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
= C
Max.
Max.
15.5
19.0
13.0
20.5
24.0
13.0
16.5
20.5
20.4
13.5
17.0
PD
9.5
1.5
1.5
10
x V
CC
-55 to 125°C
-55 to 125°C
Min.
Min.
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
x f
IN
+ I
CC
Max.
Max.
16.5
20.0
14.0
21.5
26.0
14.0
17.5
21.5
21.4
14.5
18.0
11.0
1.5
1.5
/n (per circuit)
Unit
Unit
pF
pF
ns
ns
ns
ns