pi3pcie2415 Pericom Semiconductor Corporation, pi3pcie2415 Datasheet

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pi3pcie2415

Manufacturer Part Number
pi3pcie2415
Description
Pcie Gen2, Dual Graphics Mux, 2-lane 4-channel , Single Enable, 3.3v
Manufacturer
Pericom Semiconductor Corporation
Datasheet

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Features
• 4 Differential Channel, 2:1 Mux/DeMux
• PCI Express, Gen II Performance, 5.0Gbps
• Pinout optimized for placement between two PCIe slots
• Low Bit-to-Bit Skew, 5ps max
• Low Crosstalk: -26dB@5 GHz
• Low Off Isolation: -20dB@5 GHz
• V
• ESD Tolerance: 2kV HBM
• Low channel-to-channel skew, 35ps max
• Packaging (Pb-free & Green):
Block Diagram
Truth Table
– 42-contact, TQFN (ZH42)
CI
CI
DI
DI
DD
SEL
AI
AI
BI
BI
xIy to xOay
xIy to xOby
+
+
+
+
Function
Operating Range: +3.3V
08-0110
SEL
H
L
COb
COb
DOa
DOa
AOa
AOa
BOa
BOa
AOb
AOb
BOb
BOb
COa
COa
DOa
DOa
+
+
+
+
+
+
+
+
1
Description
Pericom Semiconductor’s PI3PCIE2415 is an 8 to 4 differential
channel multiplexer/demultiplexer switch. This solution can
switch 2 full PCI Express, Gen2, lanes to one of two locations.
Using a unique design technique, Pericom has been able to
minimize the impedance of the switch such that the attenuation
observed through the switch is negligible. The unique design
technique also offers a layout targeted for PCI Express signals,
which minimizes the channel to channel skew as well as channel
to channel crosstalk as required by the PCI Express specifi cation.
Application
Routing of PCI-Express, Gen2, signals with low signal attenua-
tion.
Pin Description (Top-Side View)
AOb+
BOb+
COb+
DOb+
COb-
DOb-
AOb-
BOb-
VDD
AI+
BI+
CI+
DI+
CI-
DI-
AI-
BI-
2-Lane, 2:1 Mux/DeMux Switch
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
42 41 40 39
18 19 20 21
GND
3.3V, PCI Express Gen2,
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
PI3PCIE2415
GND
AOa+
AOa-
GND
VDD
BOa+
BOa-
VDD
SEL
GND
COa+
COa-
VDD
GND
DOa+
DOa-
GND
PS8945B
05/05/08

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pi3pcie2415 Summary of contents

Page 1

... H 08-0110 Description Pericom Semiconductor’s PI3PCIE2415 differential channel multiplexer/demultiplexer switch. This solution can switch 2 full PCI Express, Gen2, lanes to one of two locations. Using a unique design technique, Pericom has been able to minimize the impedance of the switch such that the attenuation observed through the switch is negligible ...

Page 2

... Differential analog pass-through output. Signal from DI+ input and DI- is passed through DOb+, DOb- pin respectively when SEL = 1. Ground input Ground 3.6V tolerant low-voltage SEL controls the mux through a fl ow-through latch. single-ended input Power supply Power, 3.3V ±10% 2 PI3PCIE2415 3.3V, PCI Express Gen2, 2-Lane, 2:1 Mux/DeMux Switch Description PS8945B 05/05/08 ...

Page 3

... Expo- sure to absolute max i mum rating con di tions for extended periods may affect re li abil i ty. Min Typ Max 3.0 3.3 0 -40 (1) Min Typ Max 2.0 3.6 0 0.8 –10 = 40mA 2.0 (1) Min. Typ. -1.5 -2.0 -5.0 -9.0 -14.0 -8.0 -4.0 PS8945B PI3PCIE2415 Units 3 Celcius Units Ohm pF Max. Units -20.0 dB -32.0 -26.0 -20.0 05/05/08 ...

Page 4

... PCI Express Gen2, 2-Lane, Test Conditions Min. See "Test Circuit for 0.5 Electrical Chatacteristics" See "Test Circuit for 0.5 Electrical Chatacteristics" See "Test Circuit for Electrical Chatacteristics" See "Test Circuit for Electrical Chatacteristics" 4 PI3PCIE2415 2:1 Mux/DeMux Switch Typ. Max. Units 12 PS8945B ...

Page 5

... Differential Insertion Loss 08-0110 Differential Return Loss 5 PI3PCIE2415 3.3V, PCI Express Gen2, 2-Lane, 2:1 Mux/DeMux Switch PS8945B 05/05/08 ...

Page 6

... Differential Off Isolation Differential Crosstalk 6 PI3PCIE2415 3.3V, PCI Express Gen2, 2-Lane, 2:1 Mux/DeMux Switch PS8945B 05/05/08 ...

Page 7

... PCI Express Gen2, 2-Lane, 2:1 Mux/DeMux Switch Test Circuit Test Circuit Test Circuit 7 PI3PCIE2415 PS8945B 05/05/08 ...

Page 8

... PLZ V DD PHZ t PZH V V DD/2 Voltage Waveforms Enable and Disable Times 8 3.3V, PCI Express Gen2, 2-Lane, 2:1 Mux/DeMux Switch Switch , PZL , t GND PZH Open = 50Ω, t ≤ 2.5ns, t ≤ 2.5ns 0.15V – 0.15V PS8945B PI3PCIE2415 DD 05/05/08 ...

Page 9

... Max 199.94 200.00 200.06 TBD 1.200 TBD 100 80 100 120 2.0 9 PI3PCIE2415 3.3V, PCI Express Gen2, 2-Lane, 2:1 Mux/DeMux Switch Units Comments ps Defi ned by Gen2 spec. V VRX-DIFFp-p = 2*|VRX VRX-D-|. Applies to IN_S and RX_IN signals. Tbit mV VCM-AC-pp = |VRX-D+ + VRX-D-|/2 - VRX-CM- DC. VRX-CM-DC = DC(avg) ...

Page 10

... Pericom Semiconductor Corporation • 1-800-435-2336 • www.pericom.com 08-0110 DESCRIPTION: 42-contact Thin Fine Pitch Quad Flat No-Lead (TQFN) PACKAGE CODE: ZH (ZH42) DOCUMENT CONTROL #: PD-2035 Package Code ZH Pb-free & Green, 42-contact TQFN 10 PI3PCIE2415 3.3V, PCI Express Gen2, 2-Lane, 2:1 Mux/DeMux Switch DATE: 03/03/08 REVISION: B Package Description PS8945B 05/05/08 ...

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