【8P34S1208NBGI8】 is a 2:8LVDS 1.8V/2.5V fandout buffer for 1PPS and high-speed clocks, mainly applied in high-precision clock signal distribution scenarios.
Introduction
The 8P34S1208NBGI8 is a high-performance differential LVDS fan-out buffer. This device is designed for fan-out 1PPS signals or high-frequency, extremely low additive phase noise clock and data signals. The 8P34S1208NBGI8 supports fail-safe operation and is powered by 1.8V or 2.5V. The guaranteed output-to-output and device-to-device offset characteristics make the 8P34S1208NBGI8 highly suitable for clock distribution applications where performance and repeatability need to be clearly defined. It provides 2 optional differential inputs and 8 low skew outputs. The integrated bias voltage reference enables an easy interface between single-ended signals and differential device inputs. The 8P34S1208NBGI8 has been optimized for low power consumption and low additive phase noise.
Product features
• 8 pairs of low skew and low additional jitter LVDS output
Two optional differential clock input pairs
The differential CLK and nCLK pairs can accept the following differential input levels: LVDS, CML
• Maximum input clock frequency: 1.5GHz
• Control the LVCMOS/LVTTL interface level of the input selection pin
• Output offset: 20ps (typical value)
• Propagation delay: 400ps (maximum)
The 1PPS application has a small variation in propagation delay throughout the entire temperature range
• Low additive phase jitter RMS; fREF = 156.25MHz, VPP = 1V, 12kHz - 20MHz: 34fs (typical value)
• Equipment current Consumption (IDD) :
Typical value of 120mA: 1.8V
Typical value of 132mA: 2.5V
• Full 1.8V or 2.5V power supply voltage
Lead-free (RoHS 6), 28-pin VFQFPN package
Ambient operating temperature: -40°C to 85°C
Supports a housing temperature of up to 105°C
• Supports PCI Express Gen1-5
Typical applications
The 8P34S1208NBGI8 is suitable for scenarios that require low phase noise and highly stable clock signals, such as communication equipment, industrial control systems, and high-precision instruments and meters, etc.
Basic information
Product: 8P34S1208NBGI8
Type: Fan-out buffer (allocation), multiplexer
Number of circuits: 1
Ratio - Input: Output: 2:8
Differential - Input: Output: Yes/Yes
Input: CML, LVDS
Output: LVDS
Frequency - Maximum: 1.2 GHz
Voltage - Power supply: 1.71V to 1.89V
Operating temperature: -40°C to 85°C
Installation type: Surface mount type
Packaging/Housing: 28-WFQFN
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