9ZXL0831AKLF - 8-Output 147MHz Low-Power Buffer | Renesas
Référence : 9ZXL0831AKLF ✗ Fin de vie| Qté | Prix unitaire | Total |
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| 1 | $0 | $0,00 |
| 10 | $0 | $0,00 |
| 100 | $0 | $0,00 |
| 500 | $0 | $0,00 |
| 1 000 | $0 | $0,00 |
9ZXL0831AKLF Présentation
A clock buffer is a clock and timing IC that reproduces a differential clock across multiple outputs. In this device hierarchy, it functions as a low-power fanout buffer and supports high-speed data-processing platforms where several PCIe, QPI, or UPI links must receive coherent clock signals. The buffer reduces repetitive clock distribution while preserving a common source for timing-critical interfaces.
The verified product information identifies the key feature set as eight low-power differential outputs, operation suitable for PCIe Gen 1/2/3 and QPI/UPI, and compliance with the Intel DB800ZL performance requirements. Its 147 MHz operating frequency makes it relevant to server, workstation, and embedded processor platforms that use these serial interconnect technologies. Fixed external feedback is especially relevant where demanding QPI or UPI systems require low drift.
The 48-VFQFPN 6 x 6 mm package supports compact surface-mount integration. However, differential clock routing is sensitive to impedance continuity, return paths, and crosstalk. Engineers must reproduce the manufacturer reference layout, use controlled-impedance routing, place decoupling close to supply pins, and verify all eight output channels at system-level operating conditions.
Typical uses include PCI Express clock distribution, Intel QPI fanout, UPI processor-to-processor links, server platform clock trees, and high-speed embedded computing systems. The buffer should be selected only after confirming that the target link standard, frequency, voltage levels, topology, and feedback network match the manufacturer requirements.
PCB implementation should prioritize short symmetric clock paths, solid ground-plane continuity, and matched output routing. Avoid introducing stubs or test-point discontinuities on high-speed differential pairs, and validate eye, jitter, and skew on the assembled board rather than relying only on simulation.
This page combines verified manufacturer and distributor information, explicit data gaps, package context, application guidance, and replacement validation. It distinguishes published facts from values that require the manufacturer datasheet or channel measurements rather than inventing missing electrical, pricing, pinout, or compliance details.
Alternatives de remplacement direct pour 9ZXL0831AKLF — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
Aucune alternative de remplacement direct disponible pour ce produit.
Demander des alternatives9ZXL0831AKLF Spécifications
| Device Type | 8-output differential clock buffer |
| Product Family | 9ZXL0831 |
| Operating Frequency | 147 MHz |
| Nombre de sorties | 8 outputs |
| Input Count | 1 input |
| Logic Type | Differential clock buffer |
| PCI Express Support | PCI Express Gen 1/2/3 |
| Processor Link Support | QPI/UPI |
| Intel Specification | Intel DB800ZL |
| Feedback Method | Fixed external feedback |
| Power Class | Low-power |
| Boîtier | 48-VFQFPN, 6 mm x 6 mm |
| Type de montage | Surface mount |
Guide de configuration des broches du 9ZXL0831AKLF 48-vfqfpn, 6 mm x 6 mm
Configuration des broches du 9ZXL0831AKLF (boîtier 48-vfqfpn, 6 mm x 6 mm). La numérotation des broches, les fonctions et les schémas de connexion sont définis dans la fiche technique du fabricant. Consultez-la pour l'empreinte exacte et les directives de soudage.
Aucune donnée de brochage détaillée disponible pour 9ZXL0831AKLF.
Consultez la fiche technique pour la configuration complète des broches.
Applications typiques
9ZXL0831AKLF convient pour 6 applications: PCI Express Clock Distribution, QPI Processor-Link Fanout, UPI Processor Interconnect, Server Platform Clock Trees, High-Speed Embedded Computing, Workstation Interconnect Clocking.
PCI Express Clock Distribution
The 9ZXL0831AKLF fits PCI Express platform clock trees because it provides eight differential outputs at 147 MHz and is explicitly designed for PCI Express Gen 1, 2, and 3. Install it where several link branches need a common low-drift source. Preserve controlled-impedance routing and follow the manufacturer reference topology. Although the verified material confirms protocol support and output count, supply voltage, enable timing, jitter, skew, and isolation rules still require datasheet verification before schematic release.
QPI Processor-Link Fanout
The fixed external feedback and eight differential outputs make the 9ZXL0831AKLF relevant to QPI processor-to-processor clock distribution. The feedback approach is identified by Renesas as supporting low drift in demanding QPI systems, while 147 MHz operation addresses the target Intel DB800ZL application. Engineers should reproduce the specified external feedback network and route all branches symmetrically. Verify timing budgets, loading, return loss, and channel-level jitter on the final board rather than assuming compliance from output count alone.
UPI Processor Interconnect
The 9ZXL0831AKLF is suitable for UPI clock fanout because Renesas identifies QPI/UPI support as a core application of this eight-output differential buffer. Its 147 MHz operation and fixed external feedback can support a common, low-drift reference across multiple processor links. Board implementation must retain uninterrupted ground references, symmetric differential geometry, and the validated feedback topology. Confirm voltage levels, permissible loading, and jitter allocation against the manufacturer documents before integrating into a UPI platform.
Server Platform Clock Trees
A server platform can use the 9ZXL0831AKLF as an eight-way differential clock distributor for compatible 147 MHz domains. This reduces the number of branches requiring separately sourced clock signals while maintaining a common topology. The device is appropriate where the platform follows PCIe or QPI/UPI clocking requirements and the Intel DB800ZL specification. Treat branch lengths, loading, trace geometry, and termination as part of the clock architecture, and verify eye margin and jitter with production-intent testing.
High-Speed Embedded Computing
The 9ZXL0831AKLF fits embedded computing boards that distribute a 147 MHz differential clock to multiple high-speed interfaces requiring PCIe Gen 1/2/3 or QPI/UPI compatibility. Its low-power eight-output architecture can simplify fanout compared with multiple single-output stages. The designer must still validate signal integrity, power integrity, thermal behavior, and firmware-controlled sequencing against the full manufacturer specification. Compact placement in the 48-VFQFPN package supports constrained designs only when the recommended land pattern and thermal layout are followed.
Workstation Interconnect Clocking
Workstation and high-end computing platforms can use the 9ZXL0831AKLF to distribute a common 147 MHz differential clock among compatible accelerator, chipset, or processor links. The eight outputs support multi-branch distribution, while fixed external feedback addresses the low-drift requirement stated for demanding QPI/UPI systems. Exact branch topology must be based on the reference design because the verified data provides no trace lengths or loading tables. Signal-integrity simulation and hardware eye measurements should precede production release.
Données de référence d'ingénierie pour 9ZXL0831AKLF — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Notes de conception
Implement every output as a controlled-impedance differential clock path with a continuous reference plane. The verified material confirms eight 147 MHz outputs but does not provide impedance, pair spacing, length tolerance, or via geometry; therefore, copy those values from the manufacturer layout guidance rather than assuming generic Ethernet or PCIe dimensions.
Place the fixed external feedback network exactly as shown in the manufacturer reference design and minimize the feedback-loop area. Keep supply connections and return paths short, then confirm whether bypass capacitors are required at every supply pin. Unverified component values must not be guessed because feedback tolerance can influence drift and channel timing.
Do not classify 9ZX21901BKLFT as a drop-in replacement merely because a comparison page exists. A valid replacement must prove the same 48-VFQFPN footprint, pin-to-pin assignments, 147 MHz performance, output count, supply voltage, feedback behavior, and enable sequence against the official datasheets.
Informations de conformité
No specific RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals statement appears in the supplied verified excerpts.
