PRELIMINARY INFORMATION - COMPANY CONFIDENTIAL A product Line of Pb Diodes Incorporated Lead-free Green PI6C4931504-04 High Performance HCSL Fanout Buffer Features Description 4 HCSL outputs e PTh I6C4931504-04 is a high performance fanout buffer device which supports up to 250MHz frequency. This device is ideal for Up to 250MHz output frequency systems that need to distribute low jitter clock signals to multiple Ultra low additive phase jitter: < 0.1 ps (typ) destinations. Two selectable inputs Low delay from input to output (Tpd typ. 1.5ns) Applications 2.5V / 3.3V power supply Networking systems including switches and Routers Industrial temperature support High frequency backplane based computing and telecom Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2) platforms Halogen and Antimony Free. Green Device (Note 3) TSSOP-20 package Block Diagram Pin Configuration (20-Pin TSSOP) GND 20 1 Q0 Pullup D CLK EN CLK EN 19 nQ0 2 Q LE Q0 CLK SEL 18 3 V DD nQ0 Pulldown 17 CLK0 4 Q1 CLK0 Pullup/ Pulldown 0 nCLK0 16 Q1 nCLK0 5 nQ1 nQ1 Pulldown 15 CLK1 1 CLK1 6 Q2 Q2 14 NC 7 nQ2 nQ2 Pulldown NC 8 13 V CLK SEL DD Q3 12 IREF 9 Q3 nQ3 Iref V 10 11 nQ3 DD Notes: 1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS), 2011/65/EU (RoHS 2) & 2015/863/EU (RoHS 3) compliant. 2. See PRELIMINARY INFORMATION - COMPANY CONFIDENTIAL A product Line of Diodes Incorporated PI6C4931504-04 Pin Description Pin Pin Name Type Description 1 GND Power Ground 2 CLK EN Input Clock output enable/ disable 3 CLK SEL Input Clock input source selection pin CLK0 4, 5 Input Clock input nCLK0 6 CLK1 Input Clock input 7, 8 NC - No connect 9 IREF Power External resistor connection to set differential output current 10, 13, 18 V Power Power supply DD nQ3 11, 12 Output HCSL output clock Q3 nQ2 14, 15 Output HCSL output clock Q2 nQ1 16, 17 Output HCSL output clock Q1 nQ0 19, 20 Output HCSL output clock Q0 Function Table Table 1: Input select function CLK SEL Function 0 CLK0, nCLK0 1 CLK1 Table 2: Output Enable function CLK EN Outputs Q0:Q4 nQ0:nQ4 0 Disabled LOW Disabled HIGH 1 Enabled Enabled www.diodes.com July 2018 PI6C4931504-04 2 Diodes Incorporated Document Number DS41269 Rev 1-2 2