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CDCDB2000NPPR Datasheet(PDF) 1 Page - Texas Instruments |
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CDCDB2000NPPR Datasheet(HTML) 1 Page - Texas Instruments |
1 / 33 page PCIe Gen 4-5 Clock Generator CDCDB2000 20x LP-HSCL Output Buffer SMBus Control OE# Control LP-HCSL PCIe PHY PCIe PHY PCIe PHY PCIe PHY LP-HCSL 20 PCIe PHY PCIe PHY PCIe Device Side-Band Interface Control Interface Product Folder Order Now Technical Documents Tools & Software Support & Community An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA. CDCDB2000 SNAS787 – NOVEMBER 2019 CDCDB2000 DB2000QL-Compliant 20-Output Clock Buffer for PCIe Gen 1 to Gen 5 1 1 Features 1 • 20 LP-HCSL outputs with integrated 85- Ω output terminations • 8 hardware output enable (OE#) controls • Additive phase jitter after DB2000QL filter: < 0.08ps rms • Supports PCIe Gen 4 and Gen 5 Common Clock (CC) and Individual Reference (IR) architectures – Spread spectrum-compatible • Cycle-to-cycle jitter: < 50 ps • Output-to-output skew: < 50 ps • Input-to-output delay: < 3 ns • 3.3-V core and IO supply voltages • Hardware-controlled low power mode (PD#) • Side-Band Interface (SBI) for output control in PD# mode • 9 selectable SMBus addresses • Power consumption: < 600 mW • 6-mm × 6-mm, 80-pin TLGA/GQFN package 2 Applications • Microserver & tower server • Storage area network & host bus adapter card • Network attached storage • Hardware accelerator 3 Description The CDCDB2000 is a 20-output LP-HCSL, DB2000QL compliant, clock buffer capable of distributing the reference clock for PCIe Gen 1-5, QuickPath Interconnect (QPI), UPI, SAS, and SATA interfaces. The SMBus, SBI, and 8 output enable pins allow the configuration and control of all 20 outputs individually. The CDCDB2000 is a DB2000QL derivative buffer and meets or exceeds the system parameters in the DB2000QL specification. The CDCDB2000 is packaged in a 6-mm × 6-mm TLGA/GQFN package with 80 leads. Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) CDCDB2000 TLGA (80) 6.00 mm × 6.00 mm (1) For all available packages, see the orderable addendum at the end of the data sheet. CDCDB2000 System Diagram |
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