74lvx257 STMicroelectronics, 74lvx257 Datasheet - Page 5

• Manufacturer Part Number: 74lvx257
• Description: Low Voltage Cmos Quad 2 Channel Multiplexer 3-state With 5v Tolerant Inputs
• Manufacturer: STMicroelectronics

Table 9: Capacitive Characteristics
1) C
load. (Refer to Test Circuit). Average operating current can be obtained by the following equation. I
channel)
Figure 4: Test Circuit
C
R
R
t
t
t
PLH
PZL
PZH
Symbol
L
L
T
C
=15/50pF or equivalent (includes jig and probe capacitance)
= R1 = 1K or equivalent
= Z
C
PD
C
OUT
, t
, t
, t
PD
IN
OUT
is defined as the value of the IC’s internal equivalent capacitance which is calculated from the operating current consumption without
PLZ
PHL
PHZ
of pulse generator (typically 50 )
Input Capacitance
Output
Capacitance
Power Dissipation
Capacitance
(note 1)
Parameter
V
3.3
3.3
3.3
(V)
CC
Test Condition
TEST
Min.
T
A
Typ.
= 25°C
23
4
6
Max.
10
Value
-40 to 85°C
Min.
CC(opr)
= C
Max.
10
PD
x V
SWITCH
-55 to 125°C
Min.
Open
CC
GND
V
CC
x f
IN
74LVX257
Max.
+ I
10
CC
/4 (per
Unit
pF
pF
pF
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