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See Technical Specifications

9ZXL1951DNHGI

Intel QPI, PCI Express (PCIe) IC 400MHz 1 Output 80-GQFN (6x6)

Manufacturer:

Renesas Technology Corp
Mfr.Part #:

9ZXL1951DNHGI
Datasheet:

9ZXL1951DNHGI Datasheet (PDF)
Programmable:

Not Verified
PLL:

Yes
Main Purpose:

Intel QPI, PCI Express (PCIe)
Input:

Clock
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9ZXL1951DNHGI General Description

The 9ZXL1951D is a second-generation, enhanced performance DB1900ZL derivative buffer. The part is a pin-compatible upgrade to the 9ZXL1951A, offering a much improved phase jitter performance. It has 8 OE# pins that can be configured via SMBus to control up to 16 of the device's 19 outputs, and is packaged in a 6 x 6 mm QFN package for maximum space savings. A fixed external feedback maintains low drift for critical QPI/UPI applications.

Key Features

LP-HCSL outputs with 85Ω Zout; eliminates 76 termination resistors, saves 130mm² area
PCIe Gen 1–5 compliance
8 OE# pins configurable to control up to 16 outputs; easy power management
9 selectable SMBus addresses; multiple devices can share same SMBus segment
Selectable PLL BW; minimizes jitter peaking in cascaded PLL topologies
Hardware/SMBus control of PLL bandwidth and bypass; change mode without power cycle
Spread spectrum compatible; tracks spreading input clock for EMI reduction
100MHz PLL mode; UPI support
DIF input and DIF outputs on outer row of pins; easy board routing
6 x 6 mm dual-row 80-GQFN; smallest 19-output Z-buffer

Specifications

Category	Integrated Circuits (ICs)Clock/TimingApplication Specific Clock/Timing	Series	-
Programmable	Not Verified	PLL	Yes
Main Purpose	Intel QPI, PCI Express (PCIe)	Input	Clock
Output	HCSL	Number of Circuits	1
Ratio - Input:Output	1:19	Differential - Input:Output	Yes/Yes
Frequency - Max	400MHz	Voltage - Supply	3.135V ~ 3.465V
Operating Temperature	-40°C ~ 85°C	Mounting Type	Surface Mount
Base Product Number	9ZXL1951