CBTU0808EE/G,518 NXP Semiconductors, CBTU0808EE/G,518 Datasheet

IC MUX PCI EXPRESS 48TFBGA

CBTU0808EE/G,518

Manufacturer Part Number
CBTU0808EE/G,518
Description
IC MUX PCI EXPRESS 48TFBGA
Manufacturer
NXP Semiconductors
Datasheet

Specifications of CBTU0808EE/G,518

Applications
Computer Port Switching and Docking
Interface
CMOS
Voltage - Supply
1.7 V ~ 1.9 V
Package / Case
48-TFBGA
Mounting Type
Surface Mount
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
568-3630-2
935282055518
CBTU0808EE/G-T

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Company
Part Number
Manufacturer
Quantity
Price
Part Number:
CBTU0808EE/G,518
Manufacturer:
NXP Semiconductors
Quantity:
10 000
1. General description
2. Features
3. Applications
The CBTU0808 is a dual lane port multiplexer designed to provide convenient and reliable
path switching for PCI Express signals. It is organized as two PCI Express lanes, each
consisting of a Transmit and Receive channel. Each channel has four ports, two (A and B)
on the source (or host) side and two (A and B) on the destination (or device) side. Each
port provides a pair of signal lines to support PCIe differential signaling.
Using specially designed high-bandwidth and high off-isolation switch elements, source
and destination ports can be connected or isolated in three possible configurations:
source A and B to destinations A and B respectively; or source A to destination B
(remaining ports isolated), or all ports isolated.
The switch elements are controlled by internal control logic to set switch positions in
accordance with these three configurations, selectable by CMOS inputs CTRL0 and
CTRL1 for lanes 0 and 1 respectively. Within a lane, the switch configuration is always
applied identically to both transmit and receive channels.
The CBTU0808 is packaged in a 48-ball, depopulated 9
profile fine-pitch ball grid array (TFBGA) package, which (while requiring a minimum
5 mm
conventional board technology.
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CBTU0808
Dual lane PCI Express port multiplexer
Rev. 02 — 6 September 2007
2-lane wide PCI Express port multiplexer
One transmit and one receive differential channel per lane
Four ports per channel
PCI Express signaling compliant
High bandwidth: > 1 GHz
Low OFF-feedthrough of < 35 dB at 1.25 GHz
Low channel crosstalk of < 35 dB at 1.25 GHz
Designed to match characteristic impedance of PCIe signaling environment
Single 1.8 V supply operation
ESD resilience of 8 kV HBM
Available in 48-ball, 5 mm
High-performance computing applications
Port switching and docking applications
5 mm of board space) allows for adequate signal routing and escape using
5 mm, 0.5 mm ball pitch TFBGA package, Pb-free/Green
9 grid, 0.5 mm ball pitch, thin
Product data sheet

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CBTU0808EE/G,518 Summary of contents

Page 1

CBTU0808 Dual lane PCI Express port multiplexer Rev. 02 — 6 September 2007 1. General description The CBTU0808 is a dual lane port multiplexer designed to provide convenient and reliable path switching for PCI Express signals organized as ...

Page 2

... NXP Semiconductors 4. Ordering information Table 1. Ordering information Type number Solder process CBTU0808EE/G Pb-free (SnAgCu solder ball compound) 5. Functional diagram CTRL[1:0] TEST[1:0] TXSA0P TXSA0N channel Tx0 TXSB0P TXSB0N RXSA0P RXSA0N channel Rx0 RXSB0P RXSB0N TXSA1P TXSA1N channel Tx1 TXSB1P TXSB1N RXSA1P RXSA1N ...

Page 3

... NXP Semiconductors 6. Pinning information 6.1 Pinning Fig 2. Pin configuration for TFBGA48 Fig 3. Ball mapping CBTU0808_2 Product data sheet ball A1 index area CTRL0 TXSB0P TXSA0P RXSA0P GND TXSB0N TXSA0N RXSA0N RXSB0P RXSB0N GND V DD TXSA1P TXSA1N TXSB1N TXSB1P GND RXSA1N RXSB1N ...

Page 4

... NXP Semiconductors 6.2 Pin description Table 2. Signal group Test and control Signal ports Power CBTU0808_2 Product data sheet Pin description Symbol Pin CTRL0 A1 CTRL1 J9 TEST0 J1 TEST1 A9 TXSA0P, TXSA0N, A4, B4, TXSB0P, TXSB0N A2, B3 RXSA0P, RXSA0N, B1, C2, RXSB0P, RXSB0N D1, D2 TXSA1P, TXSA1N, F1, F2, ...

Page 5

... NXP Semiconductors 7. Functional description 7.1 Functional description 7.1.1 General information The CBTU0808 Dual lane PCI Express port multiplexer is designed to allow port switching two PCI Express lanes (each including a Transmit and Receive channel) according to three switch configuration settings (described in switch element of the CBTU0808 is designed integrally with its package and chip ...

Page 6

... NXP Semiconductors 8. Limiting values Table 4. Limiting values In accordance with the Absolute Maximum Rating System (IEC 60134). Symbol Parameter V supply voltage DD V input voltage I I input clamping current IK I output clamping current OK I output current O I continuous current through each DDC V or GND pin ...

Page 7

... NXP Semiconductors 10. Static characteristics Table 6. Static characteristics Over recommended operating conditions, unless otherwise noted. Symbol Parameter I supply current DD Digital inputs CTRL[1:0] and TEST0 I input leakage current LI C input capacitance i Signal ports TXSA0P RXDB1N I input leakage current LI R switch on-state resistance on(sw) ...

Page 8

... NXP Semiconductors 11. Dynamic characteristics Table 7. Dynamic characteristics Over recommended operating conditions, unless otherwise noted. Characterization bandwidth: 10 MHz < f Symbol Parameter t propagation delay PD t start-up time startup t reconfiguration time rcfg t output skew time sk(o) t edge skew time sk(edge) t differential skew time difference in propagation delay between two ...

Page 9

... NXP Semiconductors Table 7. Dynamic characteristics Over recommended operating conditions, unless otherwise noted. Characterization bandwidth: 10 MHz < f Symbol Parameter s reverse transmission 12 coefficient s forward transmission 21 coefficient (1) insertion loss (2) return loss Fig 4. S parameters input output Fig 5. Propagation delay CBTU0808_2 Product data sheet … ...

Page 10

... NXP Semiconductors input output Fig 7. Edge skew 12. Test information Fig 9. Test circuit CBTU0808_2 Product data sheet 0 PLH PHL 0.9 V 0.9 V 002aac277 t = sk(edge) t rising t falling sk(edge) sk(edge) TXSx, RXSx C represents board and jig and does not indicate additional capacitance. L All input pulses are supplied by generators having the following characteristics: PRR 10 MHz ...

Page 11

... NXP Semiconductors 13. Package outline TFBGA48: plastic thin fine-pitch ball grid array package; 48 balls; body 0.8 mm ball A1 index area ball A1 index area DIMENSIONS (mm are the original dimensions) A UNIT max 0.25 0.90 0.35 mm 1.15 0.15 0.75 0.25 OUTLINE VERSION IEC SOT918 Fig 10. Package outline SOT918-1 (TFBGA48) ...

Page 12

... NXP Semiconductors 14. Soldering This text provides a very brief insight into a complex technology. A more in-depth account of soldering ICs can be found in Application Note AN10365 “Surface mount reflow soldering description” . 14.1 Introduction to soldering Soldering is one of the most common methods through which packages are attached to Printed Circuit Boards (PCBs), to form electrical circuits ...

Page 13

... NXP Semiconductors 14.4 Reflow soldering Key characteristics in reflow soldering are: • Lead-free versus SnPb soldering; note that a lead-free reflow process usually leads to higher minimum peak temperatures (see reducing the process window • Solder paste printing issues including smearing, release, and adjusting the process window for a mix of large and small components on one board • ...

Page 14

... NXP Semiconductors Fig 11. Temperature profiles for large and small components For further information on temperature profiles, refer to Application Note AN10365 “Surface mount reflow soldering description” . 15. Abbreviations Table 10. Acronym CMOS PCI PCIe DUT ESD HBM PRR 16. References [1] PCI Express Base Specification, Rev 1.1 — Revision 1.1, March 2005. ...

Page 15

... Document ID Release date CBTU0808_2 20070906 • Modifications: The format of this data sheet has been redesigned to comply with the new identity guidelines of NXP Semiconductors. • Legal texts have been adapted to the new company name where appropriate. • Section 2 • Table 4 “Limiting • ...

Page 16

... For detailed and full information see the relevant full data sheet, which is available on request via the local NXP Semiconductors sales office. In case of any inconsistency or conflict with the short data sheet, the full data sheet shall prevail ...

Page 17

... NXP Semiconductors 20. Contents 1 General description . . . . . . . . . . . . . . . . . . . . . . 1 2 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 3 Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 4 Ordering information . . . . . . . . . . . . . . . . . . . . . 2 5 Functional diagram . . . . . . . . . . . . . . . . . . . . . . 2 6 Pinning information . . . . . . . . . . . . . . . . . . . . . . 3 6.1 Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 6.2 Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 4 7 Functional description . . . . . . . . . . . . . . . . . . . 5 7.1 Functional description 7.1.1 General information . . . . . . . . . . . . . . . . . . . . . 5 7.1.2 Functional information . . . . . . . . . . . . . . . . . . . 5 7.1.2.1 Switch configuration . . . . . . . . . . . . . . . . . . . . . 5 8 Limiting values Recommended operating conditions ...

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