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Models
CBTU02044 S-Parameter Model
High-speed Two-differential 1-to-2 Switching Chip
CBTU02044 is a high-speed differential 1-to-2 switching chip optimized to interface with PCIe4.0 for server and client applications. This high performance switch chip could be used for other high-speed interfaces such as PCIe-Gen4, MIPI, DP1.4 and DDR.
CBTU02044 also functions as a 2-to-1 MUX by selecting 1 (Port A) as output out of one of the two differential ports (either Port B or C). Pinouts are optimized for minimum number of layout layers and for achievement of very low crosstalk to meet stringent crosstalk requirements at higher data rate.
CBTU02044 is a small package with optimized footprint for smaller real estate occupancy and is available in 1.6 mm x 2.4 mm x 0.5 mm HUQFN16 package with 0.4 mm pitch.
SOT1832-1 package
Product Details
Block Diagram
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Features
General
- Optimized High-Speed Signal Integrity
- Minimize Crosstalk to Meet Stringent PCIe4.0 Requirement
- VDD Power Supply Voltage Range: 1.62 V to 3.63 V
- CMOS SEL and XSD Pins
- Back Current Protection on all I/O Pins of these Switches
- Patent Pending High Performance Analog Pass-Gate Technology
- All Channels Support Rail-to-Rail Input Voltage (up to 2.4 V)
- HUQFN16 1.6 mm × 2.4 mm × 0.5 mm Package with 0.4 mm Pitch
- ESD: 2000 V HBM; 1000 V CDM
- Operating Temperature Range: -10 °C to +85 °C
Two-differential Channels 1-to-2 Switch/2-to-1 mux
- Low insertion loss (typ): 0.56 dB at 100 MHz; 1.1 dB at 5 GHz; 1.5 dB at 8 GHz
- Low off-state isolation: -70 dB at 100 MHz, -23 dB at 5 GHz, -18 dB at 8 GHz
- Low return loss (typ): 21 dB at 2.5 GHz; 18 dB at 5 GHz; 15 dB at 8 GHz
- Low ON-state resistance: 10 Ω (typ)
- 3 dB bandwidth (typ): 17 GHz (typ)
- DDNEXT < -50 dB @ 8 GHz, DDFEXT < -48 dB @ 8 GHz
- VIC common mode input voltage VIC: 0 V to 2 V
- Differential input voltage VID < 1.6 V
- Intra-pair skew < 4 ps
Low Current Consumption
- For active mode = 200 μA (typ)
- For power-saving = 3 μA (typ)
Part numbers include: CBTU02044HE.
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