PI3USB302

PI3USB302
3.3V, USB 3.0, 1-Port,
2:1 Mux/DeMux Switch
Features
Description
ÎÎ2 Differential Channel, 2:1 Mux/DeMux
Pericom Semiconductor’s PI3USB302 is a 2-differential channel bi-directional multiplexer/demultiplexer switch. Due to its
low bit-to-bit skew, high channel-to-channel noise isolation and
bandwidth, this product is ideal for USB 3.0 signal switching at
5.0 Gbps.
ÎÎUSB 3.0 SuperSpeed switch
ÎÎBi-directional operation
ÎÎLow Bit-to-Bit Skew, 10 ps max
ÎÎLow channel-to-channel skew: 20 ps max
ÎÎLow insertion loss: 1 dB @ 2.5 GHz (5.0 Gbps)
Application
ÎÎLow Crosstalk: 33 dB @ 2.5 GHz (5.0 Gbps)
Routing USB 3.0 SuperSpeed signals
ÎÎLow Off Isolation: 27 dB @ 2.5 GHz (5.0 Gbps)
ÎÎVDD Operating Range: 3.3 V +/-10%
ÎÎESD Tolerance: 1 kV
ÎÎPackaging (Pb-free & Green):
àà – 20-contact TQFN (2.5 × 4.5mm)
Block Diagram
Pin Description (Top-side view)
Tx+
TxRx+
Rx-
Rx+2
Rx-2
SEL
PD
Switch
Control
PD
2
Tx+
TxGND
5
VDD
6
Rx+
7
RxSEL
1
20
19
Tx1+
3
18
Tx1-
4
17
Rx1+
16
Rx1-
15
Tx2+
14
Tx2-
8
13
Rx2+
9
12
Rx2-
GND
10
Function
SEL
PD
port 1 is active
L
L
port 2 is active
H
L
Both Ports Hi-z, IC power down
x
H
13-0002
VDD
Truth Table
1
11
GND
Tx+2
Tx-2
GND
Rx+1
Rx-1
VDD
Tx+1
Tx1-
12/19/12
PI3USB302
3.3V, USB 3.0, 1-Port, 2:1 Mux/DeMux Switch
Pin Description
Pin #
Pin Name
I/O
Description
2
PD
I
Power Down input. see truth table on page 1 for functionality
3
Tx+
I/O
4
Tx-
I/O
7
Rx+
8
Rx-
9
SEL
14
Tx2-
15
Tx2+
12
Rx2-
I/O
13
Rx2+
I/O
17
Rx1+
16
Rx1-
19
Tx1+
18
Tx1-
6, 10, 1
5, 11, 20, center pad
13-0002
Signal I/O, Transmit differential pair from common port
I/O
Signal I/O, Receive differential pair from common port
I
Operation mode Select
(when SEL=0: port 1 is active, when SEL=1: port 2 is active
I/O
Signal I/O, Transmit differential pair, port 2
Signal I/O, Receive differential pair, port 2
I/O
Signal I/O, Receive differential pair, port 1
I/O
Signal I/O, Transmit differential pair, port 1
VDD
Pwr
3.3V ±10% Positive Supply Voltage
GND
Pwr
Power ground
2
12/19/12
PI3USB302
3.3V, USB 3.0, 1-Port, 2:1 Mux/DeMux Switch
Maximum Ratings
(Above which useful life may be impaired. For user guidelines, not tested.)
Storage Temperature .....................................................–65°C to +150°C
Supply Voltage to Ground Potential .................................–0.5V to +4.6V
Channel DC Input Voltage ................................................. –0.5V to 1.5V
SEL/PD DC Input Voltage ................................................. –0.5V to 4.6V
DC Output Current ........................................................................ 120mA
Power Dissipation ............................................................................ 0.5W
Electrical Characteristics
Note: Stresses greater than those listed under MAXIMUM RATINGS may cause permanent damage to
the device. This is a stress rating only and functional
operation of the device at these or any other conditions
above those indicated in the operational sections of
this specification is not implied. Exposure to absolute
maximum rating conditions for extended periods may
affect reliability.
Recommended Operating Conditions
Symbol
Parameter
VDD
3.3V Power Supply
IDD
Total current from VDD
3.3V supply
IDD_PD
Power down current
TCASE
Case temperature range
for operation within spec.
Conditions
Min
Typ
Max
Units
3.0
3.3
3.6
V
SEL = 0V or VDD,
0.2
1
mA
PD = 1
20
40
µA
85
Celsius
Max
Units
-40
DC Electrical Characteristics for Switching over Operating Range
Test Conditions(1)
Typ(1)
Parameters
Description
VIH-SEL, PD
Input HIGH Voltage, SEL, PD Input
2
3.6
VIL-SEL, PD
Input LOW Voltage, SEL, PD Input
0
0.8
VIK
Clamp Diode Voltage
VDD = Max., IIN = –18mA
IIH
Input HIGH Current SEL, PD Input
VDD = Max., VIN = VDD
-5
+5
IIL
Input LOW Current, SEL, PD Input
VDD = Max., VIN = 0V
-5
+5
IIH
Input High Current, Tx, R x
VDD = Max, VIN = 1.5V
-10
+10
IIL
Input LOW Current, Tx, R x
VDD = Max, VIN = 0V
-10
+10
IOZH
High Z HIGH Current, Tx, R x
High Z LOW Current, Tx, R x
VDD = Max, VIN = 1.5V
-10
+10
µA
VDD = Max, VIN = 0V
-10
+10
µA
IOZL
Min
–0.7
V
–1.2
µA
Note:
1.Typical values are at VDD = 3.3V, TA = 25°C ambient and maximum loading.
Switching Characteristics
Parameters
Description
tPZH, tPZL
Typ.
Max.
Line Enable Time
25
30
tPHZ , tPLZ
Line Disable Time
5
25
tb-b
Bit-to-bit skew within the same differential pair
5
10
tch-ch
Channel-to-channel skew
13-0002
Test Conditions
Min.
20
3
Units
ns
ps
12/19/12
PI3USB302
3.3V, USB 3.0, 1-Port, 2:1 Mux/DeMux Switch
Dynamic Electrical Characteristics
Parameter
Description
Test Conditions
Min.
DDIL2,3
(VIN = -10dBm, DC = 0V)
f= 1.25GHz
-0.6
f= 2.5GHz
-1.0
f=4.0GHz
-1.7
f=5.0GHz
DDILOFF2,3
DDRL2
Differential Off Isolation
Differential Return Loss
DDNEXT2,3
Near End Crosstalk
Max.
Units
-0.4
f= 100MHz
Differential Insertion Loss
Typ.(1)
dB
-2.1
f= 100MHz
-59
f= 1.25GHz
-37
f= 2.5GHz
-27
f=4.0GHz
-21
f= 100MHz
-27
f= 1.25GHz
-23.3
f= 2.5GHz
-23.3
f= 4.0GHz
-13.5
f= 100MHz
-57
f= 1.25GHz
-38
f= 2.5GHz
-33
f= 4.0GHz
-32
dB
dB
dB
Notes:
1.Guaranteed by design. Typical values are at V DD = 3.3V , Ta = 25°C ambient and maximum loading.
2. S parameters are measured with our evaluation board made with Rogers (R04350) material. Trace width is 30 mil, length 540 mil, trace
impedence is 50 Ohm (+/- 5%) and total insertion loss of the trace is [email protected]
3. Measurement done with fixture deembedding.
+
+
BALANCED
PORT1
–
+
+
50
–
–
50
BALANCED
PORT1
BALANCED
PORT2
BALANCED
PORT2
BALANCED
– PORT2
DUT
Diff. Insertion Loss and Return Test
Circuit
13-0002
BALANCED
PORT1
+
–
+
+ 50
–
– 50
+
+ 50
–
– 50
DUT
DUT
Diff. Off Isolation Test Circuit
Diff. Near End Xtalk Test Circuit
4
12/19/12
PI3USB302
3.3V, USB 3.0, 1-Port, 2:1 Mux/DeMux Switch
Differential Insertion Loss
Differential Return Loss
13-0002
5
12/19/12
PI3USB302
3.3V, USB 3.0, 1-Port, 2:1 Mux/DeMux Switch
Differential Off Isolation
Differential Crosstalk
13-0002
6
12/19/12
PI3USB302
3.3V, USB 3.0, 1-Port, 2:1 Mux/DeMux Switch
Test Circuit for Electrical Characteristics(1-5)
Switch Positions
3.0V
VDD
200-ohm
Pulse
Generator
VIN
D.U.T
VOUT
4pF
CL
RT
Test
Switch
tPLZ , tPZL
3.0V
tPHZ , tPZH
GND
Prop Delay
Open
200-ohm
Switching Waveforms
SEL
VDD/2
VDD
VDD/2
0V
Output 1
tPZL
tPLZ
0.75V
1.5V
VOL + 0.15V
tPHZ
tPZH
1.35V
0.75V
VOL
1.5V
VOL
Output 2
Voltage Waveforms Enable and Disable Times
13-0002
7
12/19/12
PI3USB302
3.3V, USB 3.0, 1-Port, 2:1 Mux/DeMux Switch
Notes:
1. All dimensions are in mm.
2. Refer JEDEC MO-241.
3. Bilateral coplanarity zone applies to the exposed heat sink
slug as well as the terminals.
DATE: 09/17/11
DESCRIPTION: 20-contact, Quad Flat No-Lead, QFN
PACKAGE CODE: ZB (ZB20)
DOCUMENT CONTROL #: PD-2104
REVISION: -
Note:
1.For latest package info, please check: http://www.pericom.com/products/packaging/mechanicals.php
Ordering Information
Ordering Code
Package Code
Package Type
PI3USB302ZBE
ZB
Pb-free & Green, 20-Contact TQFN, Copper Wire
Notes:
• Thermal characteristics can be found on the company web site at www.pericom.com/packaging/
• E = Pb-free and Green
• Adding an X suffix = Tape/Reel
Pericom Semiconductor Corporation • 1-800-435-2336 • www.pericom.com
13-0002
All trademarks are property of their respective owners.
8
12/19/12