DuSLIC
DuSLIC Chip Set Ov erview
Chip Set Selection Guide 2 2000-11-0 9
Preliminary
1 DuSLIC Chip Set Overview
DuSLIC is a chip set, comprising one dual channel SLICOFI-2x codec and two single-
chann el SLIC chips. It is a highly flexible codec/SLIC solution for a n analog line circuit
and is widely programmable. Users can now access different markets with a single
hardware design that meets all different standards worldwide.
The interconnections between the single channel high-voltage SLIC and the dual
channel SLICOFI-2x codec are a seamless fit. This guarantees maximum transmission
perform ance wit h a m inimum of necessary comp onents.
All line circuit functions are implemented on the DuSLIC chip set:
• BORSC H T f unc t ions
• Internal balanced/unbalanced ring ing capability up to 85 V rm s
• Mete ring by Polarity Reversal and by 12/16 kHz s inusoidal burst s
• Dual-Tone Multif requenc y (DTM F ) detecti on and generation
• Caller ID generation
• Three-party C onf erencing1)
• Universal Tone Detection (UTD) unit for fax-/modemtone detection
• Line Echo Cancellation unit (LEC)
Integrated battery switches guarantee minimum power consumption during the off-hook,
on-hook and ringing modes. Test and diagnosis functions have been integrated to
simplify testing (ITDF). No external test equipment is needed for either subscriber line
testing in the fi eld or board t es t ing during production or in the field.
Chip Technology
The co dec dev ices SLIC OFI-2, SL ICOFI- 2S and SLIC OFI-2S2 are manuf actured in an
advanced 0.35 µm 3. 3 V CMOS proce ss.
The SLIC-E, SLIC-E2 and SLIC-P devices are manufactured in Infineon Technologies
robu st and well proven 170 V Sm art Pow er tec hnology.
The SLIC-S and SLIC-S2 devices are manufactured in Infineon Technologies 90 V
Smart Power technology.
DuSLIC Architecture
Unlike traditional designs, DuSLIC splits the SLIC function into high-voltage SLIC
functions and low-voltage SLIC functions.
The low-voltage functions are handled in the SLICOFI-2x device. The partitioning of the
functions is shown in Figure 1.
1) Cascading DuSLIC channels allows even Multi-party Conferencing