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PCI Express channel switches
Introduction
For PCI Express applications that require dynamic allocation of PCI Express lanes, NXP Semiconductors offers our CBTU0808 PCI Express channel switch.
Available in a small 5 x 5 mm TFBGA-48 package, the CBTU0808 has optimized pinning for easy printed circuit board layout.
While the CBTU0808 provides high bandwidth, it also has a low latency and preserves signal integrity.
Uses
The CBTU0808 can switch two PCI Express lanes to one of two PCI Express connector slots.
For example, a x16 PCI Express slot on a motherboard can be re-configured as two x8 PCI Express slots by using four CBTU0808 channel switches.
In a notebook computer, the CBTU0808 can switch the PCI Express chipset between the notebook computer and a docking station.
Features
- 2-lane wide PCI-Express port multiplexer
- 1 transmit, 1 receive differential channel per lane
- 4 ports per channel
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Two switch positions:
- A to A and B to B
- A to B
- PCI Express signaling compliant
- >1GHz bandwidth
-
Optimized switch-on resistance and capicitance
- 10Ω built-in series termination
- Low off-feed-through of <-35dB at 1.25GHz
- Low channel crosstalk of <-35dB at 1.25GHz
- Tightly controlled skew
- 1.8V Supply operation
- >2kV HBM ESD
- Ambient (free air) operating temperature of 0 to 85 °C
- TFBGA-48 (5 x 5 mm, 0.5mm pitch), lead-free package
Products
Literature
 | PCI Express channel switch NXP 2-lane channel switch CBTU0808 © October 2006; English; Ordering Code: 9397 750 15691 |
- More Interface PCI Express Literature
High-Speed Multiplexer Products for PCIe
 | CBTL06DP211 | Gen1 display 2:1 multiplexer | |||
| CBTL06DP212 | DisplayPort v1.2 and PCIe Gen2 display 2:1 multiplexer | |||
 | CBTL06GP212 | DisplayPort v1.2 and PCIe Gen2 1:2 or 2:1 hex multiplexer switch with high common-mode voltage support | |||
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| CBTL06DP213 | Third generation high-performance DisplayPort multiplexer | |||
| CBTU0808 | Dual lane PCI Express port multiplexer | |||
| CBTL01023 | 3.3V, 1 differential channel, 2:1 multiplexer/demultiplexer switch for PCI Express Gen3 | |||
| CBTL02042A | 3.3V, 2 differential channel, 2:1 multiplexer/demultiplexer switch for PCI Express Gen2 | |||
| CBTL02042B | 3.3V, 2 differential channel, 2:1 multiplexer/demultiplexer switch for PCI Express Gen2 | |||
| CBTL02043A | 3.3V, 2 differential channel, 2:1 multiplexer/demultiplexer switch for PCI Express Gen3  | |||
| CBTL02043B | 3.3V, 2 differential channel, 2:1 multiplexer/demultiplexer switch for PCI Express Gen3 | |||
| CBTL04082A | 3.3V, 4 differential channel, 2:1 multiplexer/demultiplexer switch for PCI Express Gen2 | |||
| CBTL04082B | 3.3V, 4 differential channel, 2:1 multiplexer/demultiplexer switch for PCI Express Gen2 | |||
| CBTU04082 | 1.8V wide-bandwidth, 4-differential channel, 2:1 multiplexer for PCIe Gen2, DisplayPort 1.1a, LVDS, SATA 3Gbit/s | |||
| CBTL04083A | 3.3V, 4 differential channel, 2:1 multiplexer/demultiplexer switch for PCI Express Gen3 | |||
| CBTL04083B | 3.3V, 4 differential channel, 2:1 multiplexer/demultiplexer switch for PCI Express Gen3 | |||
| CBTU04083 | 1.8V wide-bandwidth, 4-differential channel, 2:1 multiplexer for PCIe Gen3, DisplayPort 1.2, USB 3.0, SATA 6Gbit/s | |||
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