8EN31AKLF
8EN31AKLF Datasheet
ICS8EN31AK
| Part | Datasheet |
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8EN31AKLF |
8EN31AKLF (pdf) |
| Related Parts | Information |
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8EN31AKLFT |
8EN31AKLFT |
| PDF Datasheet Preview |
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| Integrated Circuit Systems, Inc. ICS8EN31AK LOW SKEW, 1-TO-9 DIFFERENTIAL-TO-3.3V LVPECL FANOUT BUFFER The ICS8EN31AK is a low skew, high perfor- • Nine differential 3.3V LVPECL outputs HiPerClockS mance 1-to-9 Differential-to-3.3V LVPECL Fanout Buffer and a member of the HiPerClockS • Selectable differential CLK, nCLK or LVPECL clock inputs family of High Performance Clock Solutions • CLK, nCLK pair can accept the following differential input from ICS. The ICS8EN31AK has two selectable levels LVPECL, LVDS, LVHSTL, SSTL, HCSL clock inputs. The CLK, nCLK pair can accept most standard differential input levels. The PCLK, nPCLK pair can accept LVPECL, CML, or SSTL input levels. The clock en- • PCLK, nPCLK supports the following input types LVPECL, CML, SSTL able is internally synchronized to eliminate runt pulses on • Maximum output frequency 500MHz the outputs during asynchronous assertion/deassertion of the clock enable pin. • Translates any single ended input signal LVCMOS, LVTTL, GTL to 3.3V LVPECL levels with resistor bias on Guaranteed output skew and part-to-part skew character- nCLK input istics make the ICS8EN31AK ideal for high performance workstation and server applications. • Output skew 40ps maximum • Part-to-part skew 350ps maximum • Propagation delay 1.9ns maximum • 3.3V operating supply • 0°C to 70°C ambient operating temperature • Available in both standard and lead-free RoHS compliant packages • Industrial temperature information available upon request BLOCK DIAGRAM CLK_EN Pullup CLK Pullup nCLK Pulldown PCLK Pullup nPCLK Pulldown CLK_SEL Pulldown PIN ASSIGNMENT VCCO nQ2 Q2 nQ1 Q1 nQ0 Q0 VCCO 32 31 30 29 28 27 26 25 VCC 1 CLK 2 2 4 VCCO 23 Q3 nCLK 3 Q1 22 nQ3 TABLE ORDERING INFORMATION Part/Order Number Marking Package Shipping Packaging Temperature ICS8EN31AK ICS8EN31AK 32 Lead VFQFN tray 0°C to 70°C ICS8EN31AKT ICS8EN31AK 32 Lead VFQFN 2500 tape & reel 0°C to 70°C ICS8EN31AKLF ICS8EN31AKL 32 Lead "Lead-Free" VFQFN tray 0°C to 70°C ICS8EN31AKLFT ICS8EN31AKL 32 Lead "Lead-Free" VFQFN 2500 tape & reel 0°C to 70°C NOTE Parts that are ordered with an "LF" suffix to the part number are the Pb-Free configuration and are RoHS compliant. The aforementioned trademark, HiPerClockS is a trademark of Integrated Circuit Systems, Inc. or its subsidiaries in the United States and/or other countries. While the information presented herein has been checked for both accuracy and reliability, Integrated Circuit Systems, Incorporated ICS assumes no responsibility for either its use or for infringement of any patents or other rights of third parties, which would result from its use. No other circuits, patents, or licenses are implied. This product is intended for use in normal commercial applications. Any other applications such as those requiring extended temperature range, high reliability, or other extraordinary environmental requirements are not recommended without additional processing by ICS. ICS reserves the right to change any circuitry or specifications without notice. ICS does not authorize or warrant any ICS product for use in life support devices or critical medical instruments. 8EN31AK |
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