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CDCDB2000 датащит (Datasheet) 1 Page - Texas Instruments

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№ деталь CDCDB2000
подробность  CDCDB2000 DB2000QL-Compliant 20-Output Clock Buffer for PCIe Gen 1 to Gen 5
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производитель  TI1 [Texas Instruments]
домашняя страница  http://www.ti.com
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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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