CDCE949PWG4 Clock Timing & Frequency Management by Texas Instruments

CLOCK SYNTH 4-PLL VCXO PROG 949

Semiconductors - ICs>Clock Timing & Frequency Management>Clock Synthesizers & Generators

Status:	Unknown
Series:	-
RoHS:	Unknown

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The CDCE949 and CDCEL949 are modular PLLbased low cost, high-performance, programmable clock synthesizers, multipliers and dividers. They generate up to 9 output clocks from a single input frequency. Each output can be programmed insystem for any clock frequency up to 230 MHz, using up to four independent configurable PLLs. The CDCEx949 has separate output supply pins, VDDOUT, 1.8 V for the CDCEL949, and 2.5 V to 3.3 V for CDCE949. The input accepts an external crystal or LVCMOS clock signal. If an external crystal is used, an on-chip load capacitor is adequate for most applications. The value of the load capacitor is programmable from 0 to 20 pF. Additionally, an on-chip VCXO is selectable, allowing synchronization of the output frequency to an external control signal, that is, a PWM signal.

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Specifications

Clock IC Type	Clock Synthesiser
Frequency	230MHz
No. of Outputs	9Outputs
Supply Voltage Min	1.7V
Supply Voltage Max	1.9V
Clock IC Case Style	TSSOP
No. of Pins	24Pins
Operating Temperature Min	-40°C
Operating Temperature Max	85°C
Product Range	-
Automotive Qualification Standard	-
RoHS Phthalates Compliant	Yes
MSL	MSL 1 - Unlimited
SVHC	No SVHC (27-Jun-2018)
Base Number	949
IC Interface Type	2 Wire Serial
Input Current	5µA
Input Type	LVCMOS
Operating Temperature Range	-40°C to +85°C
Output Type	LVCMOS
Supply Current	38mA
Supply Voltage Range	1.7V to 1.9V
Termination Type	Surface Mount Device
Type	PLL Clock Synthesizer

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