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CDCLVP215 Datasheet(PDF) 1 Page - Texas Instruments |
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CDCLVP215 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 10 page 1 FEATURES V CC QB3 V CC QB4 QB4 QB2 QB2 QB3 V CC QA1 V CC QA0 9 QA0 QA2 QA1 QA2 10 11 12 13 14 15 16 32 8 31 30 29 28 27 26 25 17 7 6 5 4 3 2 1 18 19 20 21 22 23 24 APPLICATIONS DESCRIPTION CDCLVP215 www.ti.com.................................................................................................................................................... SCAS853A – APRIL 2008 – REVISED OCTOBER 2008 LOW-VOLTAGE DUAL DIFFERENTIAL 1:5 LVPECL CLOCK DRIVER QFN32 PACKAGE 2 • 2× One Differential Clock Input Pair LVPECL to (TOP VIEW) 5 Differential LVPECL Clock Outputs • Fully Compatible With LVPECL/LVECL • Supports a Wide Supply Voltage Range From 2.375 V to 3.8 V • Open Input Default State • Low-Output Skew (Typ 15 ps) for Clock-Distribution Applications • V BB Reference Voltage Output for Single-Ended Clocking • Available in the QFN32 Package • Frequency Range From DC to 3.5 GHz • Pin-to-Pin Compatible With the MC100 Series EP111, LVEP210, ES6111, LVEP111 • Designed for Driving 50-Ω Transmission Lines • High Performance Clock Distribution The CDCLVP215 clock driver distributes two times one differential clock pair of LVPECL, (CLKA, CLKB) to 5 pairs of differential LVPECL clock (QA0..QA4, QB0..QB4) outputs with minimum skew for clock distribution. The CDCLVP215 specifies low output-to-output skew. The CDCLVP215 is specifically designed for driving 50- Ω transmission lines. When an output pair is not used, leaving it open is recommended to reduce power consumption. If only one of the output pairs is used, the other output pair must be identically terminated to 50 Ω. The VBB reference voltage output is used if single-ended input operation is required. In this case, the VBB pin should be connected to CLKA or CLKB and bypassed to GND via a 10-nF capacitor. However, for high-speed performance up to 3.5 GHz, the differential mode is strongly recommended. The CDCLVP215 is characterized for operation from –40°C to 85°C. 1 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. 2 PowerPAD is a trademark of Texas Instruments. PRODUCTION DATA information is current as of publication date. Copyright © 2008, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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