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Product attributes Property Value
Manufacturer Cypress Semiconductor Corp
Product Series
Packaging Bulk |
Type Clock Generator
PLL Yes with Bypass
Input LVTTL, Crystal
Output CMOS, PECL
Number of Circuits 1
Ratio - Input:Output 1:5
Differential - Input:Output No/No
Frequency - Max 200MHz, 400MHz
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 16-TSSOP (0.173", 4.40mm Width)
Supplier Device Package 16-TSSOP

The CY22394FCT from Cypress Semiconductor is a versatile clock generator with a bypassable PLL, offering CMOS and PECL outputs up to 400MHz. With LVTTL or Crystal inputs and a single circuit, it provides flexible clocking for processors, networking, and video applications. The 16-TSSOP package supports compact designs in commercial temperature ranges.

  • Dual Output Types: CMOS and PECL support both single-ended and differential loads.
  • High Frequency: Up to 400MHz PECL for high-speed interfaces.
  • PLL Bypass: Allows direct clock forwarding for testing or low-latency paths.
  • Compact Size: 16-TSSOP saves board space in dense designs.

Processor Clock Generation

The 400MHz PECL output can clock high-speed processors and FPGAs, while CMOS outputs drive peripheral logic, reducing component count.

Networking Switches

Provides multiple clock domains for switch ASICs and PHYs, with PECL for high-speed SerDes interfaces and CMOS for control logic.

Broadcast Video Equipment

Generates pixel clocks for video processors and SDI transceivers, ensuring synchronized timing for HD and 4K signals.

Test and Measurement

In function generators and counters, the flexible output types allow direct interfacing with various logic families.

Data Acquisition Systems

Clocks ADCs and DACs with low-jitter PECL signals, improving sampling accuracy in industrial monitoring.

Q: What type of device is the CY22394FCT?
A: It is a Clock Generator, providing multiple output frequencies from a single reference input.
Q: Does it support PLL bypass?
A: Yes, it has a PLL with bypass capability, allowing direct clock pass-through when needed.
Q: What are the input and output types?
A: Inputs accept LVTTL or Crystal; outputs are CMOS and PECL, supporting both single-ended and differential signaling.
Q: How many circuits does it have?
A: It contains 1 circuit, generating multiple outputs from one PLL.
Q: What frequencies can it generate?
A: It supports up to 200MHz (CMOS) and 400MHz (PECL), suitable for high-speed digital systems.
Q: What is the package and temperature range?
A: It comes in a 16-TSSOP package and operates from 0°C to 70°C.
Base Product Number : CY22394FCT
1 Circuit 16-TSSOP 200MHz 400MHz Bypass Clock Generator CMOS Crystal LVTTL PECL PLL
Q: What type of device is the CY22394FCT?
A: It is a Clock Generator, providing multiple output frequencies from a single reference input.
Q: Does it support PLL bypass?
A: Yes, it has a PLL with bypass capability, allowing direct clock pass-through when needed.
Q: What are the input and output types?
A: Inputs accept LVTTL or Crystal; outputs are CMOS and PECL, supporting both single-ended and differential signaling.
Q: How many circuits does it have?
A: It contains 1 circuit, generating multiple outputs from one PLL.
Q: What frequencies can it generate?
A: It supports up to 200MHz (CMOS) and 400MHz (PECL), suitable for high-speed digital systems.
Q: What is the package and temperature range?
A: It comes in a 16-TSSOP package and operates from 0°C to 70°C.