MAX4854 MAXIM [Maxim Integrated Products], MAX4854 Datasheet - Page 7

• Manufacturer Part Number: MAX4854
• Description: 7? Quad SPST Switches with Over-Rail Signal Handling
• Manufacturer: MAXIM [Maxim Integrated Products]

Figure 1. Switching Time
Figure 2. Input/Output Skew Timing Diagram
MAX4854
|t
|t
|t
|t
LOGIC
INPUT
ro -
fo -
skew_o
skew_i
TxD+
TxD-
t
t
fi
ri
|
|
|
|
DELAY DUE TO SWITCH FOR RISING INPUT AND RISING OUTPUT SIGNALS.
CHANGE IN SKEW THROUGH THE SWITCH FOR INPUT SIGNALS.
DELAY DUE TO SWITCH FOR FALLING INPUT AND FALLING OUTPUT SIGNALS.
CHANGE IN SKEW THROUGH THE SWITCH FOR OUTPUT SIGNALS.
V
_______________________________________________________________________________________
NO
C
V
L
OUT
R
C
s
L
INCLUDES FIXTURE AND STRAY CAPACITANCE.
NO_
IN_
= 39Ω
= 50pF
= V
GND
NO
V
V
CC
CC
(
R
R
R
L
s
s
R
+ R
L
ON
A-
A
)
COM_
with Over-Rail Signal Handling
B-
B
R
L
C
C
L
L
OUTPUT B
OUTPUT B-
INPUT A
INPUT A-
C
7 Ω Quad SPST Switches
L
V
OUT
SWITCH
OUTPUT
Test Circuits/Timing Diagrams
LOGIC
INPUT
90%
10%
10%
90%
V
V
OUT
CC
0V
0V
t
t
t
t
ri
fi
ro
50%
fo
50%
50%
50%
t
90%
t
skew_i
10%
90%
skew_o
10%
t
50%
ON
0.9 x V
0UT
t
OFF
0.9 x V
t R < 20ns
t F < 20ns
OUT
7