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The NB3N111K is a differential 1:10 Clock fanout buffer with High-speed Current Steering Logic (HCSL) outputs optimized for ultra low propagation delay variation. The NB3N111K is designed with PCI Express HCSL clock distribution and FBDIMM applications in mind.
Inputs can directly accept differential LVPECL, LVDS, and HCSL signals. Single-ended LVPECL, HCSL, LVCMOS, or LVTTL levels are accepted with a proper external Vth reference supply. Input pins incorporate separate internal 50 termination resistors allowing additional single ended system interconnect flexibility.
Output drive current is set by connecting a 475 Ω resistor from IREF (Pin 1) to GND. Outputs can also interface to LVDS receivers when terminated. The NB3N111K specifically guarantees low output–to–output skew. Optimal design, layout, and processing minimize skew within a device and from device to device. System designers can take advantage of the NB3N111K’s performance to distribute low skew clocks across the backplane or the motherboard.


Features:

Typical Input Clock Frequency 100, 133, 166, or 400 MHz

220 ps Typical Rise and Fall Times

800 ps Typical Propagation Delay

tpd 100 ps Maximum Propagation Delay Variation per Diff Pair

0.1 ps Typical RMS Additive Phase Jitter

LVDS Output Levels Optional with Interface Termination

Operating Range: VCC = 3.0 V to 3.6 V with GND = 0 V

Typical HCSL Output Levels (700 mV Peak-to-Peak)

LVDS Output Levels with Interface Termination

These are Pb-Free Devices

Dimensions	5 x 5 x 0.95 mm
Height	0.037" (0.95mm)
Input Signal Type	LVPECL, LVDS, HCSL
Length	0.196" (5mm)
Logic Family	HCSL
Logic Function	Clock Driver
Logic Level	HCSL
Mounting Type	Surface Mount
Number of Clock Inputs	1
Number of Pins	32
Operating Voltage Range	3 to 3.6 V
Operation Mode	Differential
Package Type	QFN
Temperature, Operating, Maximum	+85 °C
Temperature, Operating, Minimum	-40 °C
Temperature, Operating, Range	-40 to +85 °C
Width	0.197" (5mm)
关键词

Dimensions 5 x 5 x 0.95 mm  ON Semiconductor Dimensions 5 x 5 x 0.95 mm  Clock Drivers Dimensions 5 x 5 x 0.95 mm  ON Semiconductor Clock Drivers Dimensions 5 x 5 x 0.95 mm   Height 0.037" (0.95mm)  ON Semiconductor Height 0.037" (0.95mm)  Clock Drivers Height 0.037" (0.95mm)  ON Semiconductor Clock Drivers Height 0.037" (0.95mm)   Input Signal Type LVPECL, LVDS, HCSL  ON Semiconductor Input Signal Type LVPECL, LVDS, HCSL  Clock Drivers Input Signal Type LVPECL, LVDS, HCSL  ON Semiconductor Clock Drivers Input Signal Type LVPECL, LVDS, HCSL   Length 0.196" (5mm)  ON Semiconductor Length 0.196" (5mm)  Clock Drivers Length 0.196" (5mm)  ON Semiconductor Clock Drivers Length 0.196" (5mm)   Logic Family HCSL  ON Semiconductor Logic Family HCSL  Clock Drivers Logic Family HCSL  ON Semiconductor Clock Drivers Logic Family HCSL   Logic Function Clock Driver  ON Semiconductor Logic Function Clock Driver  Clock Drivers Logic Function Clock Driver  ON Semiconductor Clock Drivers Logic Function Clock Driver   Logic Level HCSL  ON Semiconductor Logic Level HCSL  Clock Drivers Logic Level HCSL  ON Semiconductor Clock Drivers Logic Level HCSL   Mounting Type Surface Mount  ON Semiconductor Mounting Type Surface Mount  Clock Drivers Mounting Type Surface Mount  ON Semiconductor Clock Drivers Mounting Type Surface Mount   Number of Clock Inputs 1  ON Semiconductor Number of Clock Inputs 1  Clock Drivers Number of Clock Inputs 1  ON Semiconductor Clock Drivers Number of Clock Inputs 1   Number of Pins 32  ON Semiconductor Number of Pins 32  Clock Drivers Number of Pins 32  ON Semiconductor Clock Drivers Number of Pins 32   Operating Voltage Range 3 to 3.6 V  ON Semiconductor Operating Voltage Range 3 to 3.6 V  Clock Drivers Operating Voltage Range 3 to 3.6 V  ON Semiconductor Clock Drivers Operating Voltage Range 3 to 3.6 V   Operation Mode Differential  ON Semiconductor Operation Mode Differential  Clock Drivers Operation Mode Differential  ON Semiconductor Clock Drivers Operation Mode Differential   Package Type QFN  ON Semiconductor Package Type QFN  Clock Drivers Package Type QFN  ON Semiconductor Clock Drivers Package Type QFN   Temperature, Operating, Maximum +85 °C  ON Semiconductor Temperature, Operating, Maximum +85 °C  Clock Drivers Temperature, Operating, Maximum +85 °C  ON Semiconductor Clock Drivers Temperature, Operating, Maximum +85 °C   Temperature, Operating, Minimum -40 °C  ON Semiconductor Temperature, Operating, Minimum -40 °C  Clock Drivers Temperature, Operating, Minimum -40 °C  ON Semiconductor Clock Drivers Temperature, Operating, Minimum -40 °C   Temperature, Operating, Range -40 to +85 °C  ON Semiconductor Temperature, Operating, Range -40 to +85 °C  Clock Drivers Temperature, Operating, Range -40 to +85 °C  ON Semiconductor Clock Drivers Temperature, Operating, Range -40 to +85 °C   Width 0.197" (5mm)  ON Semiconductor Width 0.197" (5mm)  Clock Drivers Width 0.197" (5mm)  ON Semiconductor Clock Drivers Width 0.197" (5mm)