m54hc157k1 STMicroelectronics, m54hc157k1 Datasheet - Page 5

• Manufacturer Part Number: m54hc157k1
• Description: Hc158 Quad 2 Channel Multiplexer Inv. Hc157 Quad 2 Channel Multiplexer
• Manufacturer: STMicroelectronics

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
Figure 5: Waveform - Propagation Delay Times (f=1MHz; 50% duty cycle)
Symbol
L
T
= 50pF or equivalent (includes jig and probe capacitance)
= Z
C
PD
C
PD
IN
OUT
is defined as the value of the IC’s internal equivalent capacitance which is calculated from the operating current consumption without
of pulse generator (typically 50 )
Input Capacitance
Power Dissipation
Capacitance (note
1)
Parameter
V
5.0
5.0
(V)
CC
Test Condition
Min.
T
A
Typ.
= 25°C
47
5
Max.
10
Value
CC(opr)
-40 to 85°C
Min.
= C
Max.
10
PD
x V
CC
-55 to 125°C
Min.
x f
IN
M54HC157
+ I
Max.
CC
10
/4(per chan-
Unit
pF
pF
5/9