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Product attributes Property Value
Manufacturer Cypress Semiconductor Corp
Product Series
Packaging Bulk |
Type Frequency Synthesizer
PLL Yes
Input LVTTL, Crystal
Output Clock
Number of Circuits 2
Ratio - Input:Output 1:6
Differential - Input:Output No/Yes
Frequency - Max 133MHz
Divider/Multiplier Yes/No
Voltage - Supply 3.135V ~ 3.465V
Operating Temperature 0°C ~ 70°C (TA)
Grade -
Qualification -
Mounting Type Surface Mount
Package / Case 48-BSSOP (0.295", 7.50mm Width)
Supplier Device Package 48-SSOP

The CY28344PVC is a dual-circuit Frequency Synthesizer from Cypress Semiconductor, designed to generate multiple clock outputs from a single reference. It accepts LVTTL or crystal inputs and uses an integrated PLL to synthesize clocks up to 133 MHz. With 2 circuits, it can drive multiple independent clock domains. Packaged in a 48-BSSOP and rated for 0°C to 70°C, it is ideal for networking, telecom, and industrial applications requiring multiple synchronized clocks.

  • Dual Circuits: Provides two independent clock domains, increasing design flexibility.
  • Flexible Inputs: Accepts both LVTTL and crystal references, simplifying integration.
  • Integrated PLL: Enables precise frequency synthesis from a low-frequency reference.
  • Wide Application Range: Suitable for networking, telecom, and industrial systems.

Multi-Output Clock Generation

Use the CY28344PVC to generate multiple synchronized clocks for a system-on-chip (SoC) or FPGA, providing different frequencies for various subsystems from a single reference.

Networking Timing

In routers and switches, this synthesizer can generate clocks for different line rates, ensuring proper timing for Ethernet and SONET interfaces.

Processor Clock Synthesis

For embedded processors, the device can synthesize a core clock and a bus clock from a low-frequency crystal, reducing board space and cost.

Audio/Video Synchronization

In multimedia systems, it can generate audio and video clocks from a single reference, ensuring proper synchronization between audio and video streams.

Industrial Automation

For PLCs and robotics, the CY28344PVC can provide multiple timing signals for sensors and actuators, improving control precision.

Telecom Infrastructure

In base stations, it can synthesize clocks for various digital signal processors (DSPs), ensuring synchronized processing of multiple channels.

Q: What type of device is the CY28344PVC?
A: It is a Frequency Synthesizer, generating multiple output clocks from a reference input.
Q: Does it have a PLL?
A: Yes, it includes a PLL for frequency multiplication and synthesis.
Q: What input types are supported?
A: It accepts both LVTTL and Crystal inputs, providing flexibility in reference sources.
Q: What is the output type?
A: The output is a clock signal, synthesized from the input reference.
Q: How many circuits does it have?
A: It has 2 circuits, allowing it to generate multiple independent clock domains.
Q: What is the maximum frequency and package?
A: It operates up to 133 MHz and is packaged in a 48-BSSOP (7.50mm width) package.
Base Product Number : CY28344PVC
133MHz 2 Circuits 48-BSSOP Clock Generator Clock IC Cypress Frequency Synthesizer PLL
Q: What type of device is the CY28344PVC?
A: It is a Frequency Synthesizer, generating multiple output clocks from a reference input.
Q: Does it have a PLL?
A: Yes, it includes a PLL for frequency multiplication and synthesis.
Q: What input types are supported?
A: It accepts both LVTTL and Crystal inputs, providing flexibility in reference sources.
Q: What is the output type?
A: The output is a clock signal, synthesized from the input reference.
Q: How many circuits does it have?
A: It has 2 circuits, allowing it to generate multiple independent clock domains.
Q: What is the maximum frequency and package?
A: It operates up to 133 MHz and is packaged in a 48-BSSOP (7.50mm width) package.