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MAX4889AETO+

P1-P3P4-P6P7-P9P10-P12P13-P14
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 (μA)
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
MAX4888A/MAX4889A
5.0Gbps PCI Express Passive Switches
_______________________________________________________________________________________ 5
Typical Operating Characteristics (continued)
(T
A
= +25°C, unless otherwise noted.)
EYE DIAGRAM
(V+ = +3.3V, f = 1.25GHz,
600mV
P-P
PRBS SIGNAL, R
S
= R
L
= 50Ω)
†
50ps/div
*PRBS = PSEUDORANDOM BIT SEQUENCE
†
= GEN 1, 2.5Gbps; U1 = 400ps
V
COM_+
V
COM_-
50mV/div
MAX4888A/89A toc10
EYE DIAGRAM
(V+ = +1.8V, f = 2.5GHz,
600mV
P-P
PRBS SIGNAL, R
S
= R
L
= 50Ω)
††
25ps/div
*PRBS = PSEUDORANDOM BIT SEQUENCE
††
= GEN 11, 5.0Gbps; U1 = 200ps
V
COM_+
V
COM_-
50mV/div
MAX4888A/89A toc11
EYE DIAGRAM
(V+ = +3.3V, f = 2.5GHz,
600mV
P-P
PRBS SIGNAL, R
S
= R
L
= 50Ω)
††
25ps/div
*PRBS = PSEUDORANDOM BIT SEQUENCE
††
= GEN 11, 5.0Gbps; U1 = 200ps
V
COM_+
V
COM_-
50mV/div
MAX4888A/89A toc12
EYE DIAGRAM
(V+ = +2.5V, f = 2.5GHz,
600mV
P-P
PRBS SIGNAL, R
S
= R
L
= 50Ω)
††
25ps/div
*PRBS = PSEUDORANDOM BIT SEQUENCE
††
= GEN 11, 5.0Gbps; U1 = 200ps
V
COM_+
V
COM_-
50mV/div
MAX4888A/89A toc12
EYE DIAGRAM
(V+ = +2.5V, f = 1.25GHz,
600mV
P-P
PRBS SIGNAL, R
S
= R
L
= 50Ω)
†
50ps/div
*PRBS = PSEUDORANDOM BIT SEQUENCE
†
= GEN 1, 2.5Gbps; U1 = 400ps
V
COM_+
V
COM_-
50mV/div
MAX4888A/89A toc09
EYE DIAGRAM
(V+ = +1.8V, f = 1.25GHz,
600mV
P-P
PRBS SIGNAL, R
S
= R
L
= 50Ω)
†
50ps/div
*PRBS = PSEUDORANDOM BIT SEQUENCE
†
= GEN 1, 2.5Gbps; U1 = 400ps
V
COM_+
V
COM_-
50mV/div
MAX4888A/89A toc08
MAX4888A/MAX4889A
5.0Gbps PCI Express Passive Switches
6 _______________________________________________________________________________________
Pin Description
PIN
MAX4888A MAX4889A
NAME FUNCTION
1, 10, 12, 14,
20, 25, 27
1, 4, 10, 14, 17,
19, 21, 39, 41
GND Ground
2 9 SEL Digital Control Input
3, 9 — N.C. No Connection. Not internally connected.
4 2 COM1+ Analog Switch 1. Common Positive Terminal.
5 3 COM1- Analog Switch 1. Common Negative Terminal.
6 6 COM2+ Analog Switch 2. Common Positive Terminal.
7 7 COM2- Analog Switch 2. Common Negative Terminal.
8, 11, 13, 19,
26, 28
5, 8, 13, 18,
20, 30,
40, 42
V+
Positive-Supply Voltage Input. Connect V+ to a +3.0V to +3.6V supply voltage.
Bypass V+ to GND with a 0.1μF capacitor placed as close to the device as
possible (See the Board Layout section).
15 31 NO2- Analog Switch 2. Normally Open Negative Terminal.
16 32 NO2+ Analog Switch 2. Normally Open Positive Terminal.
17 33 NO1- Analog Switch 1. Normally Open Negative Terminal.
18 34 NO1+ Analog Switch 1. Normally Open Positive Terminal.
21 35 NC2- Analog Switch 2. Normally Closed Negative Terminal.
22 36 NC2+ Analog Switch 2. Normally Closed Positive Terminal.
23 37 NC1- Analog Switch 1. Normally Closed Negative Terminal.
24 38 NC1+ Analog Switch 1. Normally Closed Positive Terminal.
— 11 COM3+ Analog Switch 3. Common Positive Terminal.
— 12 COM3- Analog Switch 3. Common Negative Terminal.
— 15 COM4+ Analog Switch 4. Common Positive Terminal.
— 16 COM4- Analog Switch 4. Common Negative Terminal.
— 22 NO4- Analog Switch 4. Normally Open Negative Terminal.
— 23 NO4+ Analog Switch 4. Normally Open Positive Terminal.
— 24 NO3- Analog Switch 3. Normally Open Negative Terminal.
— 25 NO3+ Analog Switch 3. Normally Open Positive Terminal.
— 26 NC4- Analog Switch 4. Normally Closed Negative Terminal.
— 27 NC4+ Analog Switch 4. Normally Closed Positive Terminal.
— 28 NC3- Analog Switch 3. Normally Closed Negative Terminal.
— 29 NC3+ Analog Switch 3. Normally Closed Positive Terminal.
— — EP Exposed Paddle. Connect EP to GND.
P1-P3P4-P6P7-P9P10-P12P13-P14

MAX4889AETO+

Mfr. #:
Buy MAX4889AETO+
Manufacturer:
Maxim Integrated
Description:
Multiplexer Switch ICs 5.0Gbps PCI Express Passive Switch
Lifecycle:
New from this manufacturer.
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