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3D3523

Data Delay Devices
Part Number 3D3523
Manufacturer Data Delay Devices
Description MONOLITHIC MANCHESTER ENCODER/DECODER
Published Jan 20, 2007
Detailed Description www.DataSheet4U.com 3D3523 MONOLITHIC MANCHESTER ENCODER/DECODER (SERIES 3D3523) FEATURES • • • • • • • • • • All-sili...
Datasheet PDF File 3D3523 PDF File

3D3523
3D3523

Overview
www.
DataSheet4U.
com 3D3523 MONOLITHIC MANCHESTER ENCODER/DECODER (SERIES 3D3523) FEATURES • • • • • • • • • • All-silicon, low-power CMOS technology Encoder and decoder function independently Encoder has buffered clock output 3.
3V operation Vapor phase, IR and wave solderable Auto-insertable (DIP pkg.
) Low ground bounce noise Maximum data rate: 50 MBaud Data rate range: ±15% Lock-in time: 1 bit For mechanical dimensions, click here.
For package marking details, click here.
CIN CEN RX COUT DIN RESB GND data 3 delay devices, inc.
PACKAGES 1 2 3 4 5 6 7 14 13 12 11 10 9 8 VDD CBUF LOOP TXENB DOUTB TXB TX  3D3523-xxx DIP (.
300) 3D3523G-xxx Gull Wing (.
300) 3D3523D-xxx SOIC (.
150) FUNCTIONAL DESCRIPTION The 3D3523 is a monolithic CMOS Manchester Encoder/Decoder combo chip.
The device uses bi-phase-level encoding to embed a clock signal into a data stream for transmission across a communications link.
In this encoding mode, a logic one is represented by a high-to-low transition in the center of the bit cell, while a logic zero is represented by a low-to-high transition.
The Manchester encoder combines the clock (CIN) and data (DIN) into a single bi-phase-level signal (TX).
An inverted version of this signal (TXB) is also available.
The data baud rate (in MBaud) is equal to the input clock frequency (in MHz).
A replica of the clock input is also available (CBUF).
The encoder may be reset by setting the RESB input low; otherwise, it should be left high.
The TX and TXB signals may be disabled (high-Z) by setting TXENB high.
Similarly, CBUF may be disabled by setting CEN low.
Under most operating conditions, TX and TXB are always enabled, and CBUF is not used.
With this in mind, the 3D3523 provides internal pulldown resistors on CEN and TXENB, so that most users can leave these inputs uncommitted.
PIN DESCRIPTIONS Encoder: CIN Clock Input DIN Data Input RESB Reset CEN Clock buffer enable TXENB Transmit enable CBUF Buffered clock TX,TXB Transmitted signal Decoder: RX R...


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