CDCE949PWG4 Part Information

Details for CDCE949PWG4 by Texas Instruments

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

Part Description

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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Part 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
RoHS Compliant

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