ON Semiconductor Introduces New Clock and Data Multiplexer Devices Optimized for High Speed, Low Power Designs

PHOENIX, Ariz. – April 20, 2010  -

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New devices respond to the need for faster data rates and higher clock frequencies without compromising signal integrity

New Clock and Data Multiplexer DevicesPHOENIX, Ariz. – April 20, 2010  - ON Semiconductor (Nasdaq: ONNN), a premier supplier of high performance, energy efficient silicon solutions for greener electronics, has announced further expansion of its family of multiplexer products, with the introduction of the NB6VQ572M, NB6LQ572, NB7L572, NB6L572M, NB7LQ572, NB6LQ572M, NB7VQ58M and NB7V58M mux/fanout devices, designed to function at high input rates/clock frequencies. These new devices are all highly suited to SONET, Gigabit Ethernet, Fiber Channel, backplane and other clock/data distribution applications. 

The NB6VQ572M and NB6LQ572M high performance differential 4:1 clock/data input multiplexers with 1:2 current mode logic (CML) clock/data fanout buffers operate at up to 6 GHz/8 Gbps from a 1.8 V, 2.5 V or 3.3 V power supply. The new devices have a data dependent jitter of <10 ps and random clock jitter of less than 0.8 ps RMS.

The NB7L572 and NB6LQ572 high performance differential 4:1 clock/data input multiplexers have a 1:2 low voltage positive emitter coupled logic (LVPECL) clock/data fanout buffer. The device’s differential INx/INxb inputs include internal 50 Ω (ohm) termination resistors and will accept differential LVPECL, low voltage differential signaling (LVDS) or CML logic levels. These devices also incorporate a pair of select pins that will choose one of four differential inputs and produce two identical LVPECL output copies of clock or data operating up to 7 GHz/10 Gbps. This is complemented by the NB6L572M, which has a 1:2 CML clock /data fanout buffer that operates up to 6 GHz/8 Gbps and the NB6LQ572M, which supports the same speeds but incorporates a fixed equalizer receiver on each input pair to enhance the degraded signal transmitted across an FR4 PCB backplane or cable interconnect.

The NB7VQ58M high performance differential 2:1 clock/data multiplexer also has a selectable equalizer receiver. When placed in series with a data path operating up to 10.7 Gbps, it compensates the degraded signal creating a more open eye diagram allowing for higher data rates on standard FR4. The differential inputs of the NB7V58M 2:1 clock/data multiplexer incorporate internal 50 Ω termination resistors that are accessed through the VT pin. This feature allows the device to accept LVPECL, CML and LVDS logic level standards. The NB7V58M produces minimal clock /data jitter and also operates up to 7 GHz/10.7 Gbps. The devices each have a -40 ⁰C to +85 ⁰C operating temperature range.

“Engineers are looking to achieve higher clock speed and data rates, but cannot do this at the expense of signal integrity,” said Prescott Sakai, ON Semiconductor director of the Clock and Data Management products. “These new timing devices support the high-speed data rates needed for modern system designs while keeping jitter low and compensating for signal loss.”

Packaging and Pricing
The NB6VQ572M, NB6LQ572, NB7L572, NB6L572M, NB7LQ572 and NB6LQ572M are offered in 5mm x 5mm QFN-32 packages. The NB7VQ58M and NB7V58M are offered in a low-profile 3mm x 3mm QFN-16 packages. These devices are budgetary priced per unit in 1,000 unit quantities at $6.50.

For additional information, visit www.onsemi.com.

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