M3488Q1 Datasheet - ST Microelectronics

M3488Q1 256 x 256 DIGITAL SWITCHING MATRIX

The M3488 is intendedfor large telephoneswitching systems, mainly central exchanges, digital line concentrators and private branch exchanges where a distributed microcomputer control approach is extensively used. It consists of a speech memory (SM), a control memory (CM), a serial/parallel and a par.

M3488 256 x 256 DIGITAL SWITCHING MATRIX . . . . . . . . . . . PREL IMINARY DATA 256 INPUT AND 256 OUTPUT CHANNEL CMOS DIGITAL SWITCHING MATRIX COMPATIBLE WITH M088 BUILDING BLOCK DESIGNED FOR LARGE CAPACITY ELECTRONIC EXCHANGES, SUBSYSTEMS AND PABX NO EXTRA PIN NEEDED FOR NOT-BLOCKING SINGLE STAGE AND HIGHER CAPACITY SYNTHESIS BLOCKS (512 or 1024 channels) EUROPEAN TELEPHONE STANDARD COMPATIBLE (32 serial channels per frame) PCM INPUTS AND OUTPUTS MUTUALLY COMPATIBLE ACTUAL INPUT-OUTPUT CHAN.

M3488Q1_STMicroelectronics.pdf