(Hong Kong)
Product Summary
The CDCE72010RGCT is a high-performance, low phase noise, and low skew clock synchronizer that synchronizes a VCXO (Voltage Controlled Crystal Oscillator) or VCO (Voltage Controlled Oscillator) frequency to one of two reference clocks. The clock path is fully programmable providing the user with a high degree of flexibility. The CDCE72010RGCT can lock to one of two reference clock inputs (PRI_REF and SEC_REF) and supports frequency hold-over mode for fail-safe and system redundancy. The outputs of the CDCE72010RGCT are user definable and can be any combination of up to 10 LVPECL/LVDS outputs or up to 20 LVCMOS outputs. The built-in synchronization latches ensure that all outputs are synchronized for very low output skew.
Parametrics
CDCE72010RGCT absolute maximum ratings: (1)VCC, AVCC, VCC_CP, Supply voltage range: –0.5 to 4.6 V; (2)VI, Input voltage range: –0.5 to VCC + 0.5 V; (3)VO, Output voltage range: –0.5 to VCC + 0.5 V; (4)Input current VI < 0, VI > VCC: ±20 mA max; (5)Output current for LVPECL/LVCMOS Outputs 0 < VO < VCC: ±50 mA max; (6)TJ, Junction temperature: 125 ℃; (7)Tstg, Storage temperature range: –65 150 ℃.
Features
CDCE72010RGCT features: (1)High Performance LVPECL, LVDS, LVCMOS PLL Clock Synchronizer; (2)Two Reference Clock Inputs (Primary and Secondary Clock) for Redundancy Support with Manual or Automatic Selection; (3)Accepts Two Differential Input (LVPECL or LVDS) References up to 500MHz (or Two LVCMOS Inputs up to 250MHz) as PLL Reference; (4)VCXO_IN Clock is Synchronized to One of Two Reference Clocks; (5)VCXO_IN Frequencies up to 1.5GHz (LVPECL) 800Mhz for LVDS and 250MHz for LVCMOS Level Signaling; (6)Outputs Can be a Combination of LVPECL, LVDS, and LVCMOS (Up to 10 Differential LVPECL or LVDS Outputs or up to 20 LVCMOS Outputs), Output 9 can be Converted to an Auxiliary Input as a 2nd VC(X)O.
Diagrams
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 CDCE72010RGCT |
Texas Instruments |
Clock Synthesizer / Jitter Cleaner 10 Out Lo Jtr Clock Synch & Jitter Clnr |
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CDCE72010RGCTG4 |
Texas Instruments |
Clock Synthesizer / Jitter Cleaner 10 Out Lo Jitter Clock Synch |
Data Sheet |
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