8V19N408ZNLGI

8V19N408ZNLGI Datasheet


8V19N407

Part Datasheet
8V19N408ZNLGI 8V19N408ZNLGI 8V19N408ZNLGI (pdf)
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NG Jitter Attenuator and Clock Synthesizer
8V19N407

DATA SHEET
8V19N407 is a fully integrated NG Jitter Attenuator and Clock Synthesizer. The device is a high-performance clock solution for conditioning and frequency/phase management of wireless base station radio equipment boards and is optimized to deliver excellent phase noise performance. The device supports JESD204B subclass 0 and 1 clock implementations. The device is very flexible in programming of the output frequency and phase. A two-stage PLL architecture supports both jitter attenuation and frequency multiplication. The first stage PLL is the jitter attenuator and uses an external VCXO for best possible phase noise characteristics.The second stage PLL lock on the VCXO-PLL output signal and synthesizes the target frequency. The second-stage PLL use an internal VCO.

The device supports the clock generation of high-frequency clocks from the VCO and low-frequency system reference signals SYSREF . The system reference signals are internally synchronized to the clock signals. Delay functions exist for achieving alignment and controlled phase delay between system reference and clock signals and to align/delay individual output signals. The input is monitored for activity. The “hold-over” is provided to handle clock input failure scenarios. Auto-lock, individually programmable output frequency dividers and phase adjustment capabilities are added for flexibility. The device is configured through a 4-wire SP serial interface and reports lock and signal loss status in internal registers and optionally via an lock detect nINT output. The device is packaged in a lead-free RoHS 6 72-lead VFQFN package. The extended temperature range supports wireless infrastructure, telecommunication and networking end equipment requirements. The device is a member of the high-performance clock family from IDT.
• Core timing unit for JESD204B wireless infrastructure clocks
• Fourth generation NG technology
• First stage PLL uses an external VCXO for jitter attenuation
• Second PLL stage facilitates an integrated VCO for frequency
synthesis
• 8V19N407-19 fVCO = 1900 - 2000MHz
• 8V19N407-24 fVCO = 2400 - 2500MHz
• Five differential configurable LVPECL, LVDS clock outputs with a
variable output amplitude
• Four differential LVDS system reference SYSREF signal outputs
• Synchronization between clock and system reference signals
• Wide input frequency range supported by 8-bit pre- and 15-bit

VCXO-PLL feedback divider
• Output clock frequencies fVCO ÷ N
• Three independent output clock frequency dividers N range of ÷1
to ÷96
• Phase delay capabilities for alignment/delay for clock and

SYSREF signals
• Individual output phase adjustment Clock one-period of the
selected VCO frequency in 64 steps
• Individual output phase adjustment SYSREF approximately
half-period of the selected VCO frequency in 8 steps
• Internal, SPI controlled SYSREF pulse generation
• SYSREF frequencies fVCO ÷ NS
• SYSREF frequency dividers NS ÷64 to ÷2048 10 dividers
• Clock input compatible with LVPECL, LVDS and LVCMOS signals
• Dedicated power-down features for reducing power consumption
• Input clock monitoring
• Holdover for temporary loss of input signal scenarios
• Support of output power-down and output disable
• Typical clock output phase noise at 614.4MHz:
1kHz offset:
dBc/Hz
10kHz offset:
dBc/Hz
100kHz offset dBc/Hz
1MHz offset:
dBc/Hz
10MHz offset:
dBc/Hz
• RMS phase noise of MHz clock 12kHz - 20MHz 
Ordering Information
Table Ordering Information with MISO Output in High Impedance

Part/Order Number

Marking

VCO Frequency

Package
8V19N407Z-19NLGI 8V19N407Z-19NLGI8

IDT8V19N407Z-19NLGI IDT8V19N407Z-19NLGI
1900 - 2000MHz
72 Lead VFQFN, Lead-Free 72 Lead VFQFN, Lead-Free
8V19N407Z-24NLGI 8V19N407Z-24NLGI8

IDT8V19N407Z-24NLGI IDT8V19N407Z-24NLGI
2400 - 2500MHz
72 Lead VFQFN, Lead-Free 72 Lead VFQFN, Lead-Free

Shipping Packaging

Tray Tape & Reel

Tray Tape & Reel

Temperature
-40C to 85C -40C to 85C -40C to 85C -40C to 85C

NG JITTER ATTENUATOR AND CLOCK SYNTHESIZER

Page 31

Description of Change

AC Characteristics Table - typographical spec errors for VO pp  LVPECL Output Voltage Swing  400mV Amplitude Setting minimum and maximum specs; LVPECL Differential Output Voltage Swing  400mV Amplitude Setting minimum, typical and maximum specs 1000mV Amplitude Setting typical spec
8V19N407 DATA SHEET Date
10/1/15

NG JITTER ATTENUATOR AND CLOCK SYNTHESIZER

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Sales 1-800-345-7015 or 408-284-8200 Fax 408-284-2775

Tech Support email:

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While the information presented herein has been checked for both accuracy and reliability, Integrated Device Technology IDT assumes no responsibility for either its use or for the infringement of any patents or other rights of third parties, which would result from its use. No other circuits, patents, or licenses are implied. This product is intended for use in normal commercial applications. Any other applications, such as those requiring extended temperature ranges, high reliability or other extraordinary environmental requirements are not recommended without additional processing by IDT. IDT reserves the right to change any circuitry or specifications without notice. IDT does not authorize or warrant any IDT product for use in life support devices or critical medical instruments.

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Datasheet ID: 8V19N408ZNLGI 636749