9DMU0441
2:4 1.5V PCIe Gen1-2-3 Clock Mux
w/Zo=100ohms
DATASHEET
General Description
Features/Benefits
The 9DMU0441 is a member of IDT's SOC-Friendly 1.5V
Ultra-Low-Power (ULP) PCIe Gen1-2-3 family. It has
integrated output terminations providing Zo=100ohms for
direct connection to 100ohm transmission lines. Each of the 4
outputs has its own dedicated OE# pin for optimal system
control and power management. The part provides
asynchronous and glitch-free switching modes.
• LP-HCSL outputs w/integrated terminations; saves 16
resistors compared to standard HCSL outputs
1.5V operation; 26mW typical power consumption
Selectable asynchronous or glitch-free switching; allows
the mux to be selected at power up even if both inputs are
not running, then transition to glitch-free switching mode
Spread Spectrum Compatible; supports EMI reduction
OE# pins; support DIF power management
HCSL differential inputs; can be driven by common clock
sources
1MHz to 167MHz operating frequency
Space saving 24-pin 4x4mm VFQFPN; minimal board
space
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Recommended Application
2:4 PCIe Gen1-2-3 clock multiplexer
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Output Features
• 4 – Low-Power (LP) HCSL DIF pairs w/Zo=100
Key Specifications
• DIF additive cycle-to-cycle jitter
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