CBTL02042A – 2 : 1 multiplexer/demultiplexer switch

Part Number : CBTL02042A

Function : 2 : 1 multiplexer/demultiplexer switch

Manufactures : NXP

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CBTL02042A image

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Description :

CBTL02042A; CBTL02042B 3.3 V, 2 differential channel, 2 : 1 multiplexer/demultiplexer switch for PCI Express Gen2 Rev. 1 — 10 March 2011 Product data sheet 1. General description CBTL02042A/B is a 2 differential channel, 2-to-1 multiplexer/demultiplexer switch for PCI Express Generation 2 (Gen2), and other high-speed serial interface applications. The CBTL02042A/B can switch two differential signals to one of two locations. Using a unique design technique, NXP has minimized the impedance of the switch such that the attenuation observed through the switch is negligible, and also minimized the channel-to-channel skew as well as channel-to-channel crosstalk, as required by the high-speed serial interface. CBTL02042A/B allows expansion of existing high speed ports for extremely low power. The device’s pinouts are optimized to match different application layouts. CBTL02042A has input and output pins on the opposite of the package, and is suitable for edge connector(s) with different signal sources on the motherboard. CBTL02042B has outputs on both sides of the package, and the device can be placed between two connectors to multiplex differential signals from a controller. Please refer to Section 8 for layout examples. 2. Features and benefits „ 2 bidirectional differential channel, 2 : 1 multiplexer/demultiplexer „ High-speed signal switching for PCIe Gen2 5 Gbit/s „ High bandwidth: 7 GHz at −3 dB „ Low insertion loss: ‹ −0.5 dB at 100 MHz ‹ −1.2 dB at 2.5 GHz „ Low intra-pair skew: 5 ps typical „ Low inter-pair skew: 35 ps maximum „ Low crosstalk: −30 dB at 2.5 GHz „ Low off-state isolation: −25 dB at 2.5 GHz „ Low return loss: −20 dB at 2.5 GHz „ VDD operating range: 3.3 V ± 10 % „ Shutdown pin (XSD) for power-saving mode ‹ Standby current less than 1 μA „ ESD tolerance: ‹ 8 kV HBM ‹ 1 kV CDM „ DHVQFN20 package NXP Semiconductors CBTL02042A; CBTL02042B 3.3 V, 2 differential channel, 2 : 1 MUX/deMUX switch for PCIe Gen2 3. Applications „ Routing of high-speed differential signals with low signal attenuation ‹ PCIe Gen2 ‹ DisplayPort 1.2 ‹ USB 3.0 ‹ SATA 6 Gbit/s 4. Ordering information Table 1. Ordering information Type number Package Name Description CBTL02042ABQ DHVQFN20 plastic dual in-line compatible thermal enhanced very thin quad flat package; no leads; 20 terminals; body 2.5 × 4.5 × 0.85 mm[1] CBTL02042BBQ DHVQFN20 plastic dual in-line compatible thermal enhanced very thin quad flat package; no leads; 20 terminals; body 2.5 × 4.5 × 0.85 mm[1] [1] Total height after printed-circuit board mounting = 1.0 mm maximum. 5. Functional diagram Version SOT764-1 SOT764-1 A0_P A0_N A1_P A1_N SEL XSD Fig 1. Functional diagram of CBTL02042A; CBTL02042B B0_P B0_N B1_P B1_N C0_P C0_N C1_P C1_N 002aaf073 CBTL02042A_CBTL02042B Product data sheet All information provided in this document is subject to legal disclaimers. Rev. 1 — 10 March 2011 © NXP B.V. 2011. All rights reserved. 2 of 16 NXP S […]

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CBTL02042A Datasheet


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