+3.3V, 622Mbps, SDH/SONET 4:1 Serializer with Clock Synthesis and LVDS Inputs

Part Number	Status	Replacement	Explanation
MAX3691	This product is No Longer Available. See Ordering Information for recommended replacements.	MAX3693	Improved performance in the same package.

The MAX3691 serializer is ideal for converting 4-bit-wide, 155Mbps parallel data to 622Mbps serial data in ATM and SDH/SONET applications. Operating from a single +3.3V supply, this device accepts low-voltage differential-signal (LVDS) clock and data inputs for interfacing with high-speed digital circuitry, and delivers a 3.3V PECL serial-data output. A fully integrated PLL synthesizes an internal 622Mbps serial clock from a 155.52MHz reference clock.

The MAX3691 is available in the extended-industrial temperature range (-40°C to +85°C), in a 32-pin TQFP package.

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