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CDC111 Datenblatt(PDF) 1 Page - Texas Instruments |
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CDC111 Datenblatt(HTML) 1 Page - Texas Instruments |
1 / 7 page CDC111 1-LINE TO 9-LINE DIFFERENTIAL LVPECL CLOCK DRIVER SCAS321G – SEPTEMBER 1993 – REVISED AUGUST 1999 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 D Low-Output Skew for Clock-Distribution Applications D Differential Low-Voltage Pseudo-ECL (LVPECL)-Compatible Inputs and Outputs D Distributes Differential Clock Inputs to Nine Differential Clock Outputs D Output Reference Voltage, VREF, Allows Distribution From a Single-Ended Clock Input D Single-Ended LVPECL-Compatible Output Enable D Packaged in Plastic Chip Carrier description The differential LVPECL clock-driver circuit distributes one pair of differential LVPECL clock inputs (CLKIN, CLKIN) to nine pairs of differential clock (Y, Y) outputs with minimum skew for clock distribution. It is specifically designed for driving 50- Ω transmission lines. When the output-enable (OE) is low, the nine differential outputs switch at the same frequency as the differential clock inputs. When OE is high, the nine differential outputs are in static states (Y outputs are in the low state, Y outputs are in the high state). The VREF output can be strapped to the CLKIN input for a single-ended CLKIN input. The CDC111 is characterized for operation from 0 °C to 70°C. FUNCTION TABLE INPUTS OUTPUTS CLKIN CLKIN OE Yn Yn X X H L H L HL L H H LL H L L VREF LL H H VREF LH L VREF LL H L VREF H L L H Copyright © 1999, Texas Instruments Incorporated PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. 32 1 13 14 5 6 7 8 9 10 11 Y0 Y0 Y1 VCC0 Y1 Y2 Y2 Y8 Y8 Y7 VCC0 Y7 Y6 Y6 4 15 16 17 18 28 27 26 25 24 23 22 21 20 19 12 FN PACKAGE (TOP VIEW) NC – No internal connection |
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