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ABB0205 Dataheets PDF



Part Number ABB0205
Manufacturers Abracon Corporation
Logo Abracon Corporation
Description Low Skew Output Buffer
Datasheet ABB0205 DatasheetABB0205 Datasheet (PDF)

ABB0205 www.DataSheet4U.com Low Skew Output Buffer FEATURES • • • • • • • • • Frequency range 25 ~ 60MHz. Internal phase locked loop will allow spread spectrum modulation on reference clock to pass to the outputs (up to 100kHz SST modulation). Zero input - output delay. Less than 700 ps device - device skew. Less than 250 ps skew between outputs. Less than 150 ps cycle - cycle jitter. Output Enable function tri-state outputs. 3.3V operation. Available in 8-Pin 150mil SOIC. PIN CONFIGURATION R.

  ABB0205   ABB0205



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ABB0205 www.DataSheet4U.com Low Skew Output Buffer FEATURES • • • • • • • • • Frequency range 25 ~ 60MHz. Internal phase locked loop will allow spread spectrum modulation on reference clock to pass to the outputs (up to 100kHz SST modulation). Zero input - output delay. Less than 700 ps device - device skew. Less than 250 ps skew between outputs. Less than 150 ps cycle - cycle jitter. Output Enable function tri-state outputs. 3.3V operation. Available in 8-Pin 150mil SOIC. PIN CONFIGURATION REF CLK2 CLK1 GND 1 8 CLKOUT CLK4 VDD CLK3 ABB0205 2 3 4 7 6 5 Remark If REF clock is stopped for more than 10us after it has already been provided to the chip, and after power-up, the output clocks will disappear. In that instance, a full power-up reset is required in order to reactivate the output clocks. DESCRIPTION The ABB0205 is a high performance, low skew, low jitter zero delay buffer designed to distribute high speed clocks and is available in 8-pin SOIC package. It has four outputs that are synchronized with the input. The synchronization is established via CLKOUT feed back to the input of the PLL. Since the skew between the input and output is less than ± 350 ps, the device acts as a zero delay buffer. BLOCK DIAGRAM REF PLL CLKOUT CLK1 CLK2 CLK3 CLK4 30332 Esperanza., Rancho Santa Margarita, Ca 92688 Ph: 949-546-8000 Fax: 949-546-8001 www.Abracon.com 03/21/05 Page 1 ABB0205 www.DataSheet4U.com Low Skew Output Buffer PIN DESCRIPTIONS Name REF 1 CLK2 2 CLK1 2 GND CLK3 2 VDD CLK4 2 CLKOUT 2 Number 1 2 3 4 5 6 7 8 Type I O O P O P O O Description Input reference frequency. Spread spectrum modulation on this signal will be passed to the output (up to 100kHz SST modulation). Buffered clock output. Buffered clock output. Ground. Buffered clock output. 3.3V Power Supply. Buffered clock output. Buffered clock output. Internal feed back on this pin. Notes: 1: Weak pull-down. 2: Weak pull-down on all outputs. ELECTRICAL SPECIFICATIONS 1. Absolute Maximum Ratings PARAMETERS Supply Voltage Input Voltage, dc Output Voltage, dc Storage Temperature Ambient Operating Temperature* Junction Temperature Lead Temperature (soldering, 10s) ESD Protection, Human Body Model SYMBOL V DD VI VO TS TA TJ MIN. -0.5 -0.5 -65 -40 MAX. 4.6 V DD +0.5 V DD +0.5 150 85 125 260 2 UNITS V V V °C °C °C °C kV Exposure of the device under conditions beyond the limits specified by Maximum Ratings for extended periods may cause permanent damage to the device and affect product reliability. These conditions represent a stress rating only, and functional operations of the device at these or any other conditions above the operational limits noted in this specification is not implied. * Note : Operating Temperature is guaranteed by design for all parts (COMMERCIAL and INDUSTRIAL), but tested for COMMERCIAL grade only. 2. Electrical Characteristics PARAMETERS Supply Voltage Input Low Voltage Input High Voltage Input Low Current Input High Current Output Low Voltage Out.


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