MAX4888A/MAX4889A
5.0Gbps PCI Express Passive Switches
4
_______________________________________________________________________________________
Typical Operating Characteristics
(T
A
= +25°C, unless otherwise noted.)
ON-RESISTANCE vs. V
COM
V
COM
(V)
R
ON
(
Ω
)
MAX4888A/89A toc01
-0.1 0.1 0.3 0.5 0.7 0.9 1.1 1.3 1.5 1.7 1.9 2.1
5.0
5.5
6.0
6.5
7.0
7.5
8.0
8.5
9.0
9.5
10.0
V+ = 3.3V
V+ = 2.5V
V+ = 1.8V
ON-RESISTANCE vs. V
COM
(V+ = 1.8V)
V
COM
(V)
R
ON
(
Ω
)
MAX4888A/89A toc02
-0.1
0
0.1
0.2
0.3
0.4
0.5
0.6
0
2
4
6
8
10
12
14
T
A
= +85
°
C
T
A
= +25
°
C
T
A
= -40
°
C
ON-RESISTANCE vs. V
COM
(V+ = 2.5V)
V
COM
(V)
R
ON
(
Ω
)
MAX4888A/89A toc03
-0.1
0.1
0.3
0.5
0.7
0.9
1.1
1.3
0
2
4
6
8
10
12
14
T
A
= +85
°
C
T
A
= +25
°
C
T
A
= -40
°
C
ON-RESISTANCE vs. V
COM
(V+ = 3.3V)
V
COM
(V)
R
ON
(
Ω
)
MAX4888A/89A toc04
-0.1 0.1 0.3 0.5 0.7 0.9 1.1 1.3 1.5 1.7 1.9 2.1
0
2
4
6
8
10
12
14
T
A
= +85
°
C
T
A
= +25
°
C
T
A
= -40
°
C
SUPPLY CURRENT vs. TEMPERATURE
(MAX4889A)
TEMPERATURE (
°
C)
SUPPLY CURRENT (
μ
A)
MAX4888A/89A toc05
-40
-15
10
35
60
85
0
10
20
30
40
50
60
70
80
V+ = 1.8V
V+ = 2.5V
V+ = 3.3V
LOGIC THRESHOLD vs. SUPPLY VOLTAGE
SUPPLY VOLTAGE (V)
LOGIC THRESHOLD (V)
MAX4888A/89A toc06
1.6 1.8 2.0 2.2 2.4 2.6 2.8 3.0 3.2 3.4 3.6
0.5
0.6
0.7
0.8
0.9
1.0
1.1
1.2
V
IH
V
IL
TURN-ON/-OFF TIME vs. SUPPLY VOLTAGE
SUPPLY VOLTAGE (V)
t
ON
/t
OFF
(ns)
MAX4888A/89A toc07
1.6 1.8 2.0 2.2 2.4 2.6 2.8 3.0 3.2 3.4 3.6
0
20
40
60
80
100
120
140
160
180
200
220
240
NO_ t
ON
NO_ t
OFF
NC_ t
ON
NC_ t
OFF