1:10 DDR Phase-Lock Loop Clock Driver

The CDCV857 is a high-performance, low-skew, low-jitter zero delay Buffer that distributes a differential Clock input pair (CLK, CLK) to ten differential pairs of Clock outputs (Y[0:9], Y[0:9]) and one differential pair of feedback Clock output (FBOUT, FBOUT). The Clock outputs are controlled by the Clock inputs (CLK, CLK), the feedback Clocks (FBIN, FBIN), and the Analog power input (AVDD). When PWRDWN is high, the outputs Switch in phase and frequency with CLK. When PWRDWN is low, all outputs are disabled to high impedance state (3-state), and the PLL is shut down (low power mode). The device also enters this low power mode when the input frequency falls below a suggested detection frequency that is below 20 MHz (typical 10 MHz). An input frequency detection circuit will detect the low frequency condition and after applying a >20 MHz input signal this detection circuit turns on the PLL again and enables the outputs.
When AVDD is strapped low, the PLL is turned off and bypassed for test purposes. The CDCV857 is also able to track spread spectrum clocking for reduced EMI
Since the CDCV857 is based on PLL circuitry, it requires a stabilization time to achieve phase-lock of the PLL This stabilization time is required following power up. The CDCV857 is characterized for operation from 0C to 85C.
By Texas Instruments
Part Manufacturer Description Datasheet Samples
CDCV857BIDGG Texas Instruments CDCV857B, CDCV857BI 2.5-V Phase-Lock Loop Clock Driver 48-TSSOP -40 to 85
CDCV857BIDGGRG4 Texas Instruments CDCV857B, CDCV857BI 2.5-V Phase-Lock Loop Clock Driver 48-TSSOP -40 to 85
CDCV857BIDGGG4 Texas Instruments CDCV857B, CDCV857BI 2.5-V Phase-Lock Loop Clock Driver 48-TSSOP -40 to 85
CDCV857BIDGGR Texas Instruments CDCV857B, CDCV857BI 2.5-V Phase-Lock Loop Clock Driver 48-TSSOP -40 to 85
CDCV857DGG Texas Instruments 1:10 DDR Phase-Lock Loop Clock Driver 48-TSSOP 0 to 70
CDCV857BIGG Texas Instruments IC 857 SERIES, PLL BASED CLOCK DRIVER, 10 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PDSO48, PLASTIC, TSSOP-48, Clock Driver
CDCV857DGGR Texas Instruments 1:10 DDR Phase-Lock Loop Clock Driver 48-TSSOP 0 to 70
CDCV857DGGG4 Texas Instruments 1:10 DDR Phase-Lock Loop Clock Driver 48-TSSOP 0 to 70
CDCV857DGGRG4 Texas Instruments 1:10 DDR Phase-Lock Loop Clock Driver 48-TSSOP 0 to 70
CDCV857BGQL Texas Instruments IC 857 SERIES, PLL BASED CLOCK DRIVER, 10 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PBGA56, PLASTIC, VFBGA-56, Clock Driver
CDCV857 's PackagesCDCV857 's pdf datasheet
CDCV857DGG TSSOP
CDCV857DGGG4 TSSOP
CDCV857DGGR TSSOP
CDCV857DGGRG4 TSSOP

CDCV857 pdf datasheet download


CDCV857 Pinout, Pinouts
CDCV857 pinout,Pin out
This is one package pinout of CDCV857,If you need more pinouts please download CDCV857's pdf datasheet.

CDCV857 Application circuits
CDCV857 circuits
This is one application circuit of CDCV857,If you need more circuits,please download CDCV857's pdf datasheet.


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