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Product attributes Property Value
Manufacturer Cypress Semiconductor Corp
Product Series
Packaging Bulk |
Type Clock Driver, Clock Synthesizer, Spread Spectrum Clock Generator
PLL Yes with Bypass
Input Clock, LVTTL
Output Clock
Number of Circuits 1
Ratio - Input:Output 1:21
Differential - Input:Output No/No
Frequency - Max 14.318MHz
Divider/Multiplier Yes/No
Voltage - Supply 2.85V ~ 3.465V, 3.135V ~ 3.465V
Operating Temperature 0°C ~ 70°C (TA)
Grade -
Qualification -
Mounting Type Surface Mount
Package / Case 48-TFSOP (0.240", 6.10mm Width)
Supplier Device Package 48-TSSOP

The CY28322ZC-2 from Cypress Semiconductor is a versatile clock driver, synthesizer, and spread spectrum clock generator. It integrates a PLL with bypass capability and operates at 14.318MHz with a single circuit. Supporting LVTTL clock inputs and clock outputs, this device is designed for EMI-sensitive applications requiring precise frequency synthesis. Its 48-TFSOP package and 0°C to 70°C operating range make it suitable for consumer and industrial electronics.

  • EMI Reduction: Spread spectrum modulation lowers peak radiated emissions, simplifying compliance with electromagnetic compatibility standards.
  • Flexible PLL Operation: PLL bypass mode allows the device to function as a simple clock buffer when external clocking is preferred.
  • Legacy Frequency Support: The 14.318MHz output is compatible with legacy PC and video timing architectures.
  • Compact Integration: The 48-TFSOP package integrates multiple clock functions into a small footprint, saving board space.

Motherboard Clock Generation

The CY28322ZC-2 provides a stable 14.318MHz reference clock, ideal for legacy motherboard chipsets and Super I/O controllers that require this specific frequency for legacy timing.

Spread Spectrum for EMI Reduction

As a spread spectrum clock generator, it modulates the output frequency to reduce electromagnetic interference (EMI) in consumer electronics, helping systems pass FCC and CE compliance testing.

Legacy PCI Bus Timing

With its LVTTL input and clock output, this device can buffer and synthesize clocks for legacy PCI buses in industrial PCs and embedded systems.

Set-Top Box and Multimedia Systems

The 14.318MHz output is commonly used in video and audio subsystems for color burst generation and audio clocking in set-top boxes and multimedia players.

Clock Driver for Multiple Loads

As a clock driver, it can fan out a single LVTTL clock input to multiple clock outputs, ensuring consistent timing across multiple ICs in a system.

Bypass Mode for External Clocking

When PLL bypass is enabled, the device can act as a simple buffer, allowing an external clock source to be distributed without additional phase noise or jitter.

Q: What type of device is the CY28322ZC-2?
A: It is a Clock Driver, Clock Synthesizer, and Spread Spectrum Clock Generator from Cypress Semiconductor.
Q: Does the CY28322ZC-2 support PLL?
A: Yes, it has a PLL with bypass capability, allowing you to use the device with or without the internal phase-locked loop.
Q: What are the input and output types?
A: The input type is Clock or LVTTL, and the output type is Clock. This device does not have differential inputs or outputs (No/No format).
Q: How many circuits does it have and what is the maximum frequency?
A: It has 1 circuit and operates at a frequency of 14.318MHz.
Q: What is the supply voltage and operating temperature range?
A: The operating temperature range is 0°C to 70°C (TA). The supply voltage is not specified in the provided data.
Q: What is the package type?
A: It comes in a 48-TFSOP (0.240", 6.10mm Width) package.
Base Product Number : CY28322ZC
1 Circuit 14.318MHz 48-TFSOP Clock Driver Clock Generator Cypress Frequency Synthesizer PLL Spread Spectrum
Q: What type of device is the CY28322ZC-2?
A: It is a Clock Driver, Clock Synthesizer, and Spread Spectrum Clock Generator from Cypress Semiconductor.
Q: Does the CY28322ZC-2 support PLL?
A: Yes, it has a PLL with bypass capability, allowing you to use the device with or without the internal phase-locked loop.
Q: What are the input and output types?
A: The input type is Clock or LVTTL, and the output type is Clock. This device does not have differential inputs or outputs (No/No format).
Q: How many circuits does it have and what is the maximum frequency?
A: It has 1 circuit and operates at a frequency of 14.318MHz.
Q: What is the supply voltage and operating temperature range?
A: The operating temperature range is 0°C to 70°C (TA). The supply voltage is not specified in the provided data.
Q: What is the package type?
A: It comes in a 48-TFSOP (0.240", 6.10mm Width) package.