CDC339DBR

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Type:	Fanout Buffer (Distribution)
Number of Circuits:	1
Ratio - Input:Output:	1:8
Differential - Input:Output:	No/No
Input:	TTL
Output:	TTL
Frequency - Max:	80MHz
Voltage - Supply:	4.75 V ~ 5.25 V
Operating Temperature:	-40°C ~ 85°C
Mounting Type:	Surface Mount
Package / Case:	20-SSOP (0.209", 5.30mm Width)
Supplier Device Package:	20-SSOP
Base Part Number:	CDC339

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CDC339DBR is a type of clock buffer, driver or fanout integrated circuit manufactured by Texas Instruments. It is packaged in SOIC or TSSOP (Thin-Shrink Small Outline Package) and designed to provide a low-skew clock distribution and buffer. This type of clock device separates and distributes correctly phased clock signals to a variety of system boards, components, peripherals and daughter cards, optimizing pulses and preventing jitter.The principle of action behind the CDC339DBR is that it distributes a clock signal, meaning that it replicates the pattern of a single input clock signal and distributes it to its output pins. It has a total of three outputs and one input, with each pin connected to one of the inputs. The CDC339DBR ensures that the timing of the output pins is always equal, meaning that whether the clock signal arrives long or short, it will always be the same interval between each of the output clock pulses.The most common application for the CDC339DBR is in digital communications in which data is transmitted in sequences with a variety of different frequencies. In this case, the CDC339DBR acts similar to a translator for digital signaling, translating a single high-speed input into multiple identical outputs with the exact same timing.It is also used in data transmission and processing in digital systems, where it acts as a buffer or repeater to regenerate signals, allowing them to be sent to multiple destinations with the same timing. This type of device can also be found in computer and electronic systems, to reduce the effects of crosstalk. Through the use of this device, data transmission can be improved significantly.The CDC339DBR also offers an output enable pin that allows further control over the output signals. When the Output Enable pin is low, the chip is powered and all of the outputs are high impedance. This is beneficial in applications where fast switching is required and it is necessary to control the output signals in a selective manner.The CDC339DBR is an efficient, low power device with a typical supply current of 0.3mA and a minimum supply current of 0.05mA. It also has a flop frequency of up to 85MHz and a low output-skew of only 10ps while operating on a 5V power supply. It is built up of two low skew 3-state buffer devices and is available in a wide range of intensities, meaning that it can be used in a variety of applications.The CDC339DBR is ideal for applications in which low-skew, high speed clock distribution is essential, such as in wireless technologies, optical systems and networking solutions. It is also used in desktop computers and embedded applications, is suitable for remote control or factory automation and for industrial applications. The device is also used in FPGAs, DRAM and SRAM systems, as well as in audio processing, data acquisition and digital logic systems.Overall, the CDC339DBR is an integrated clock buffer, driver, or fanout circuit, designed for low-skew and high speed clock distribution of a single input signal to multiple outputs. It is used in a variety of applications to maximise signal transmission speeds, reduce data errors and jitter and enable fast switching. Featuring a low power consumption, a flop frequency of up to 85MHz and a wide range of intensities, it is the ideal product for low-skew, high speed clock distribution in modern digital signal processing.

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