Clocking Switchtec- PCIe Switches | Microchip Technology

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Create flexible and powerful PCIe^® solutions when you clock our Switchtec™ PCIe switches with our easy-to-configure suite of PCIe Gen 1–5 multiple-output clock generators, buffers, crystals and MEMS oscillators. These fully designed, tested and validated solutions reduce your design risk and help you get to market more quickly. They also optimize costs, board footprints and performance. Our ClockWorks^® Configurator and product selection tools make it easy to customize your timing devices to meet the specific requirements of your end application.

PCIe Switch Clock and Timing Made Easy

Fully designed, tested and validated to achieve fast time to market with reduced risk
Turnkey reference designs and development kits
Easy to design-in, yet simple to modify and customize with our clock design tools
Expert technical support

Clock and Timing for Every PCIe Application

Highly reliable clock solutions for demanding end applications
Complete PCIe Gen 1–5 timing solutions including clock generators, buffers, oscillators, crystals
Fully system-level tested and validated
Reduced risk with programmable features
Automotive PCIe Gen 1–5 solutions available

Function	Recommended Part Numbers	Description	Selection Criterion
Switchtec™ PCIe^® Gen 4 Switches	PM40100 PM40084 PM40068 PM40052 PM40036 PM40028 PM41100 PM41084 PM41068 PM41052 PM41036 PM41028 PM42100 PM42084 PM42068 PM42052 PM42036 PM42028	PFX Fanout PCIe Switches PAX Advanced Fabric PCIe Switches PSX Programmable PCIe Switches	16 GT/sec PCIe Gen 4 Direct Memory Access (DMA) Secure boot PFX: Up to 52 ports, x1/x2/x4/x8/x16 port bifurcation, 24 virtual switches, 48 NTBs, up to 48 hot plug controls, dynamic modes, error containment PSX: Superset of PFX features, enables PCIe switch customization and integrated enclosure management PAX: enables advanced PCIe fabric solution, multi-host sharing and composability of pooled GPUs, SR-IOV NVMe™ SSDs, NICs and other endpoints x1 natively on 4 ports
Switchtec PCIe Gen 3 Switches	PM8536 PM8535 PM8534 PM8533 PM8532 PM8531 PM8546 PM8545 PM8544 PM8543 PM8542 PM8541 PM8566 PM8565 PM8564 PM8563 PM8562 PM8561 PM8576 PM8575 PM8574 PM8573 PM8572 PM8571	PFX Fanout PCIe Switches PFX-L Fanout PCIe Switches PFX-I Fanout PCIe Switches PSX Programmable PCIe Switches	8 GT/sec PCIe Gen 3 PFX: Up to 48 ports, x2/x4/x8/x16 port bifurcation, 24 virtual switches, 48 NTBs, up to 48 hot plug controls, dynamic modes, error containment PFX-L: Up to 24 ports, x4/x8/x16 port bifurcation, 6 virtual switches, 2 NTBs, up to 6 hot plug controls PFX-I: industrial temperature range −40°C (Ta) to 105°C (Tj) PSX: superset of PFX features, enables PCIe switch customization and integrated enclosure management
Clock Buffers	ZL40262 ZL40264 ZL40268 ZL40272	1:2 PCIe Gen 1–5 HCSL Buffer 1:4 PCIe Gen 1–5 HCSL Buffer 2:8 PCIe Gen 1–5 HCSL/LVDS/PECL 2:12 PCIe Gen 1–5 HCSL/LVDS/PECL	Low output skew: 50 ps Low additive jitter: 32 fs Individual OE pins 2:8/2:12 I²C capable
Clock Generators	ZL30282 ZL30281 ZL30265 DSC557-03 DSC557-05	6 Output Preconfigured PCIe Gen 1–5, Pin-Selectable SSC 3 Output PCIe Gen 1–5 6 Output PCIe Gen 1–5, Programmable 2 Output MEMS Clock Generator PCIe Gen 4 4 output MEMS Clock Generator PCIe Gen 4	8 default configurations, selectable spread spectrum on or off Output control through I²C or SPI MEMS clock generator, fully integrated with external clock source to reduce board space
Oscillators	DSC1224DI1-100M0000 DSC1223DI1-100M0000 MX555ABD100M000 MX555ABB100M000	PCIe Gen 1–5 HCSL MEMS Oscillator PCIe Gen 1–5 LVDS MEMS Oscillator PCIe Gen 1–5 HCSL Crystal Oscillator PCIe Gen 1–5 LVDS Crystal Oscillator	PCIe Gen 5 oscillators
Crystals	VXM7-1362-50M0000000 VXM7-9032-25M0000000	50 MHz Crystal 25 MHz Crystal	Verified crystal clock source for clock generator

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Clocking Switchtec™ PCIe^® Switches

PCIe Switch Clock and Timing Made Easy

Clock and Timing for Every PCIe Application

Clocking Switchtec™ PCIe® Switches

PCIe Switch Clock and Timing Made Easy

Clock and Timing for Every PCIe Application

Clocking Switchtec™ PCIe^® Switches