Data Center Solutions
PCI Express® Solutions
Field-Proven, Interoperable and Standards-Compliant Portfolio
www.microchip.com
PCI Express® Solutions
PCI Express® (PCIe) is a widely deployed bus interconnect interface that is commonly used in server platforms. Increasingly, it is
also used as a storage and GPU interconnect solution. PCIe Gen3 supports 8 GT/s of throughput per PCIe lane and Gen4 supports 16 GT/s. Typical implementations utilize ×2, ×4, ×8 and ×16 lane width interconnect configurations—directly from the host
root complex or through PCIe switches to endpoint PCIe devices.
Microchip is a leader in PCIe, having introduced multiple industry firsts. Highlights include:
• PCIe Gen3 SAS/SATA RAID controller
• The industry’s highest-density and lowest-power Gen3 PCIe switches, Switchtec™ PSX and PFX
• PCIe Gen3 NVMe Flash controller (Flashtec™), followed by a second-generation introduction of the industry’s fastest PCIe
Gen3 NVMe SSD controllers
• PCIe Gen3 redriver with EQNOX™ adaptive equalization
• Flash-based FPGAs and SoCs used in CPLD functions with integrated PCIe endpoint implementations
Microchip offers a flexible product portfolio to intelligently design your PCIe system for data center, communications, defense and
industrial applications. Our industry-leading PCIe solutions include storage and fanout switches, NVMe controllers, NVRAM drives,
redrivers and timing solutions and Flash-based FPGAs and SoCs.
PCIe® Storage Server
QSFP+
10G Ethernet
PHY w/ AES-256
MACSec and
IEEE 1588
Network
Processor
SmartFusion®2
SoC FPGA
Fans
PCIe
Connector
Fan Control
PCIe
Fan/Power
Management
Sequencing
Secure
Boot
SPI
Switching
Regulators
SPI
EEPROM
Solid State Drive
2
Switching
Regulators
eFuse
Flash
Memory
Flashtec™
NVMe Controller
Clock
Management
PCIe
VSC7112
PCIe Gen3
Redriver
PCIe
Switchtec™
PCIe Gen3
Storage Switch
12 V
Backplane
Network Interface Card
CPU
PCIe
PCIe
www.microchip.com
PCI Express Solutions
Advantages
Switchtec PCIe Switches
• Options from 24 to 96 lanes
• Industry’s most flexible port bifurcation, from ×2 to ×16
lanes per port
• Highest port and Non-Transparent Bridge (NTB) density,
with up to 48 ports and 48 NTBs
• Highest switch partition density
• Industry’s first integrated programmable processor
• Industry’s first integrated enclosure management solution
• PFX-I supports industrial temperature ranges, –40°C (TA) to
105°C (TJ)
Flashtec NVMe Controllers
• World’s first and fastest enterprise PCIe NVMe controller,
with up to 850K IOPS and up to 8 TB
• Software-defined flash: flexible, programmable architecture
optimized for cost, performance and endurance
• Enterprise-class reliability, availability and serviceability with
NVMe management features and industry’s only dual-port
controller
Signal Integrity
• PCIe Gen 3.0 solutions supporting ×1 to ×8 lanes
• Adaptive EQ and de-emphasis with up to 30 dB loss
compensation
• BOM integration and smaller package sizes save board cost
and area
• Low-power modes scale with speed and drive strength
• High ease of use
Timing Solutions
• End-to-end offerings, including synthesis, rate conversion,
attenuation and distribution
• Ultra-low-jitter (160 fs) synthesizers and attenuators
• Ultra-low additive jitter, cost-efficient buffers
• Application specific with custom
configuration—MiClockDesigner™
• Validated with the Agilent Time Domain PCI-SIG Compliance Software Suite
Flashtec NVRAM Drives
• Non-volatile DRAM with over 10 million IOPS,
sub-microsecond latency
• Industry-standard interfaces that are application-friendly for
ease of integration
• Zero-maintenance green backup
• Unlimited endurance NVRAM
• Small form factor for high-density rack solutions
x16
40 x 2 SSD
PCI Express Solutions
3
PCIe Signal Integrity and Timing Solutions
PCIe Signal Integrity
Improve weak or degraded signals with Switchtec PCIe signal integrity solutions. With industry-exclusive
EQNOX™ adaptive equalization add Switchtec’s PCIe redrivers and crosspoint switches deliver excellent
performance in a compact footprint with flexible lane configurations for Gen1/2/3 applications, including
passthrough buffer, non-blocking matrix switching, replication of inputs to multiple outputs and
multiplexing.
Product
Ports
Max Rate
Part Type
Receiver Type
Max Link Width
VSC3340-01
40 × 40
6.5G
Crosspoint Switch
CTLE
PCIe® 2.0 × 16
VSC3316
16 × 16
11.5G
Crosspoint Switch
CTLE
PCIe 3.0 × 8
VSC3308
8×8
11.5G
Crosspoint Switch
CTLE
PCIe 3.0 × 4
VSC7112
4, Dual 2 × 2
8.5G
Redriver with mux/demux
Adaptive CTLE
PCIe 3.0 × 2
Clock Synthesis
The miClockSynth™ family of high-performance, any-rate multiplier and frequency synthesizer devices
simplifies board design by generating ultra-low-jitter clock signals from a single crystal or crystal oscillator
while generating additional independent frequency families.
Frequency
Families
Outputs
Inputs
Jitter
Performance RMS
Package (mm)
ZL3025x
1
Up to 3 diff/6SE, 1 Hz–1035 MHz
10 M–1250 MHz
160 fs
5 × 5 QFN
ZL3026x
4
Up to 10 diff/20SE, 1 Hz–1035 MHz
10 M–1250 MHz
170 fs
8 × 8 QFN
Product
Gen 1-4 PCIe Clock Generators
Independent
Output Freq.
Families
Inputs
Crystal Input
Freq. Range
Xtal Oscillator
or CMOS Input
Freq. Range
LowJitter
APLLs
Typical
Jitter
fs RMS
Default
Output
Configurations
Output
Freq.
Range
Host
Bus
Supply
Voltage
Pkg
Size
(mm)
ZL30281
1
1 XTAL
25M
25 M
1
160
4
25 M, 100 M
SPI/I2C
3.3 + 1.8
5x5
ZL30282
2
2 XTAL
50M
50 M
1
160
8
25 M, 75 M
100 M
SPI/I2C
See note
8x8
Product
2.5V only, 3.3V only, 1.8V + 2.5V, 1.8V + 3.3V
Clock Fanout Buffers
Microchip’s high-performance buffers complement clock synthesis devices by providing additional fanout
capabilities and minimal jitter combined with the industry’s best power supply noise rejection performance. This preserves signal integrity by adding ultra-low jitter and filtering noise from power supplies,
resulting in better performance while simplifying engineering board design efforts.
Input
Outputs
Output
Frequency
Additive
Jitter RMS
Package (mm)
ZL40xxx
1, 2, and XO, any
signal type
2, 4, 6, 8 LVPECL or LVDS
750 MHz
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