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Product attributes Property Value
Manufacturer Cypress Semiconductor Corp
Product Series
Packaging Bulk |
Type Clock Synthesizer
PLL Yes
Input LVTTL, Crystal
Output Clock
Number of Circuits 2
Ratio - Input:Output 1:6
Differential - Input:Output No/Yes
Frequency - Max 266MHz
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 CY28405OC-2T is a high-performance Clock Synthesizer from Cypress Semiconductor, featuring an integrated PLL for precise frequency generation. With 2 circuits and support for LVTTL or Crystal inputs, it delivers reliable Clock outputs up to 266MHz. This device is ideal for telecom, networking, and industrial applications requiring multiple synchronized clock signals.

  • Dual-circuit design enables simultaneous generation of multiple clock frequencies, reducing component count and board space.
  • Integrated PLL ensures low-jitter output, critical for high-speed digital systems.
  • Flexible input options (LVTTL or Crystal) provide design versatility for various reference sources.
  • Wide operating temperature range (0°C to 70°C) supports standard commercial environments.

Telecom Clock Distribution

Generate multiple synchronized clock signals for telecom line cards and switching equipment, leveraging the 2-circuit architecture to distribute timing across multiple channels.

Networking Timing

Provide precise clocking for network processors and switches, using the PLL to generate low-jitter clocks from a crystal reference for reliable data transmission.

Processor Clock Generation

Create core and I/O clocks for microprocessors and memory controllers, utilizing the 266MHz maximum frequency to support high-speed digital logic.

Industrial Timing

Generate stable timing signals for industrial control systems and PLCs, ensuring synchronized operation in automated manufacturing environments.

Audio/Video Synchronization

Produce reference clocks for audio codecs and video encoders, maintaining frame and sample rate accuracy for multimedia applications.

Q: What type of device is the CY28405OC-2T?
A: It is a Clock Synthesizer designed to generate multiple clock signals from a reference input.
Q: Does the CY28405OC-2T include a PLL?
A: Yes, it features an integrated Phase-Locked Loop (PLL) for frequency synthesis.
Q: What are the input and output types?
A: It accepts LVTTL or Crystal inputs and provides Clock outputs.
Q: How many circuits does it have and what is the maximum frequency?
A: It has 2 circuits and supports a maximum frequency of 266MHz.
Q: What is the operating temperature range?
A: It operates from 0°C to 70°C (TA).
Q: What package is the CY28405OC-2T available in?
A: It comes in a 48-BSSOP (0.295", 7.50mm Width) package.
Base Product Number : CY28405OC
2 circuits 266MHz 48-BSSOP Clock Generator Clock Synthesizer CY28405OC-2T Cypress PLL
Q: What type of device is the CY28405OC-2T?
A: It is a Clock Synthesizer designed to generate multiple clock signals from a reference input.
Q: Does the CY28405OC-2T include a PLL?
A: Yes, it features an integrated Phase-Locked Loop (PLL) for frequency synthesis.
Q: What are the input and output types?
A: It accepts LVTTL or Crystal inputs and provides Clock outputs.
Q: How many circuits does it have and what is the maximum frequency?
A: It has 2 circuits and supports a maximum frequency of 266MHz.
Q: What is the operating temperature range?
A: It operates from 0°C to 70°C (TA).
Q: What package is the CY28405OC-2T available in?
A: It comes in a 48-BSSOP (0.295", 7.50mm Width) package.