NB4N840MMNG Clock & Data Distribution by ON Semiconductor

2 x 2 Crosspoint Switch, Dual, 3.3 V, 3.2 Gb / s, with CML Outputs

Status: Active
Series: NB4N840M
RoHS: Compliant
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The NB4N840M is a high−bandwidth fully differential dual 2 x 2 crosspoint switch with CML inputs/outputs that is suitable for applications such as SDH/SONET DWDM and high speed switching. Fully differential design techniques are used to minimize jitter accumulation, crosstalk, and signal skew, which make this device ideal for loop−through and protection channel switching applications. Internally terminated differential CML inputs accept AC−coupled LVPECL (Positive ECL) or direct coupled CML signals. By providing internal 50 Ohm input and output termination resistor, the need for external components is eliminated and interface reflections are minimized. Differential 16 mA CML outputs provide matching internal 50 Ohm terminations, and 400 mV output swings when externally terminated, 50 Ohm to VCC. Single−ended LVCMOS/LVTTL SEL inputs control the routing of the signals through the crosspoint switch which makes this device configurable as 1:2 fan−out, repeater or 2 x 2 crosspoint switch. The device is housed in a low profile 5 x 5 mm 32−pin QFN package.

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Prices starting from US$15.10

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Features

Plugin compatible to the MAX3840 and SY55859L
Maximum Input Clock Frequency 2.7 GHz
Maximum Input Data Frequency 3.2 Gb/s
225 ps Typical Propagation Delay
80 ps Typical Rise and Fall Times
7 ps Channel to Channel Skew
430 mW Power Consumption
< 0.5 ps RMS Jitter
7 ps PeaktoPeak Data Dependent Jitter
Power Saving Feature with Disabled Outputs
Operating Range: VCC = 3.0 V to 3.6 V with VEE = 0 V
CML Output Level (400 mV PeaktoPeak Output), Differential Output
These are Pb-Free Devices
Applications
OC-3 to OC-48 Line or System Loopback
End Products
Redundant Data Fan-out

Specifications

Description NB4N840M
Compliance Pb-free Halide free
Input/Output Ratio 2:1
Channels 2
Input Level CML
Output Level CML
VCC Typ (V) 2.5
fMax Typ (MHz) 3200
tJitter Typ (ps) 0.15
tskew(OO) Max (ps) 25
tpd Typ (ns) 0.225
Package Type QFN-32

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Alternative Descriptions

CROSS POINT SW, DIGITAL, -40 TO 85DEG C | Farnell


Frequently Asked Questions

Where can I find additional details, specifications and documents for a NB4N840MMNG?

Additional datasheets, footprints and schematics for NB4N840MMNG are listed on our Part Details page. You can also find images and similar parts to NB4N840MMNG on this page.

What pricing and inventory information can I view?

Distributor pricing and stock information is available for NB4N840MMNG on our Product Comparison page. Access via the 'View Pricing & Stock' button to view NB4N840MMNG price breaks, MOQs, lead times, inventory and SKUs from distributors.

What category does NB4N840MMNG fall under?

The NB4N840MMNG is listed under Timing, Logic & Memory > Clock & Data Distribution > Multiplexers & Crosspoint Switches.

Can I view similar or alternative parts?

You can view similar parts to NB4N840MMNG when available in the Multiplexers & Crosspoint Switches range under the specifications section at the bottom of the details page.

Who can I contact for technical support of the product?

Submit any questions directly to the customer support team of the distributor listing the product. For the NB4N840MMNG you can contact the distributor directly for product support, shipping queries etc.

Is the NB4N840MMNG RoHS compliant?

Yes. This part has been flagged as RoHS Compliant by ON Semiconductor.

Which authorised distributors for NB4N840MMNG have stock available?

Authorised distributors including Farnell have stock available or on a lead time for NB4N840MMNG.

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