Telecom & Data Communications

Switching Matrix

| M34116B1 - PCM CONFERENCE CALL AND TONE GENERATION CIRCUIT

| M34116C1 - PCM CONFERENCE CALL AND TONE GENERATION CIRCUIT

| M3488B1 - 256 X 256 DIFGITAL SWITCHING MATRIX

| M3488Q1 - 256 X 256 DIFGITAL SWITCHING MATRIX

| M3493 - CMOS 12X8 CROSS POINT WITH CONTROL MEMORY

| M3494 - CMOS 16 X 8 CROSSPOINT WITH CONTROL MEMORY