Compatibility

¨ Line/speech circuit, LD/MF repertory dialler and tone

ringer on one 28 pin CMOS chip

¨ Operating range from 13 to 100 mA (down to 5mA with

reduced performance)

¨ Soft clipping to avoid harsh distortion

¨ Volume control of receive signal

¨ Line loss compensation selectable by pin option

¨ Low noise (max. - 72 dBmp)

¨ Real or complex impedance

Multi-Standart

¨ NET 4 compatible.

XY2533N

AS2533

CMOS Single Chip

¨ LD/MF switchable dialling

DIP-28

XY2533DW

Telephone IC with

¨ Pacifier tone during programming

SO-28

Dual Soft Clipping

¨ 31 digit last number redial

¨ Sliding cursor protocol with comparison

¨ Pause key for access pause or wait function

¨ 3 flash keys, 100 ms, 280 ms and 375/600 ms

¨ On chip MF filter (CEPT CS 203 compatible)

¨ Ring frequency discrimination

¨ 3-tone melody generator

¨ Oscillator Frequency (Resonator: Murata CSA

3.58MG312AM)-3.58 MHz

¨ 4х4…4х8 Keyboard