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MT8980D Datasheet

Part Number MT8980D
Manufacturers Mitel Networks
Logo Mitel Networks
Description ISO-CMOS ST-BUS FAMILY Digital Switch
Datasheet MT8980D DatasheetMT8980D Datasheet (PDF)

® ISO-CMOS ST-BUS™ FAMILY MT8980D Digital Switch Features • • • • • • • • Mitel ST-BUS compatible 8-line x 32-channel inputs 8-line x 32-channel outputs MT8980DE MT8980DP ISSUE8 March 1997 Ordering Information 40 Pin Plastic DIP 44 Pin PLCC -40°C to +85°C Description 256 ports non-blocking switch Single power supply (+5 V) Low power consumption: 30 mW Typ. Microprocessor-control interface Three-state serial outputs This VLSI ISO-CMOS device is designed for switching PCM-encoded voice or .

  MT8980D   MT8980D






Part Number MT8980D
Manufacturers Zarlink
Logo Zarlink
Description Digital Switch
Datasheet MT8980D DatasheetMT8980D Datasheet (PDF)

ISO-CMOS ST-BUS FAMILY MT8980D Digital Switch Features • Zarlink ST-BUS compatible • 8-line x 32-channel inputs • 8-line x 32-channel outputs • 256 ports non-blocking switch • Single power supply (+5 V) • Low power consumption: 30 mW Typ. • Microprocessor-control interface • Three-state serial outputs ISSUE 8 Ordering Information March 1997 MT8980DE MT8980DP 40 Pin Plastic DIP 44 Pin PLCC -40°C to +85°C Description This VLSI ISO-CMOS device is designed for switching PCM-encoded voice or .

  MT8980D   MT8980D







ISO-CMOS ST-BUS FAMILY Digital Switch

® ISO-CMOS ST-BUS™ FAMILY MT8980D Digital Switch Features • • • • • • • • Mitel ST-BUS compatible 8-line x 32-channel inputs 8-line x 32-channel outputs MT8980DE MT8980DP ISSUE8 March 1997 Ordering Information 40 Pin Plastic DIP 44 Pin PLCC -40°C to +85°C Description 256 ports non-blocking switch Single power supply (+5 V) Low power consumption: 30 mW Typ. Microprocessor-control interface Three-state serial outputs This VLSI ISO-CMOS device is designed for switching PCM-encoded voice or data, under microprocessor control, in a modern digital exchange, PBX or Central Office. It provides simultaneous connections for up to 256 64 kbit/s channels. Each of the eight serial inputs and outputs consist of 32 64 kbit/s channels multiplexed to form a 2048 kbit/s ST-BUS stream. In addition, the MT8980 provides microprocessor read and write access to individual ST-BUS channels. C4i F0i VDD VSS ODE STi0 STi1 STi2 STi3 STi4 STi5 STi6 STi7 Serial to Parallel Converter Data Memory Frame Counter Output MUX Parallel to Serial Converter STo0 STo1 STo2 STo3 STo4 STo5 STo6 STo7 Control Register Connection Memory Control Interface DS CS R/W A5/ A0 DTA D7/ D0 CSTo Figure 1 - Functional Block Diagram 2-3 MT8980D NC STi2 STi1 STi0 DTA CSTo ODE STo0 STo1 STo2 NC STi3 STi4 STi5 STi6 STi7 VDD F0i C4i A0 A1 A2 7 8 9 10 11 12 13 14 15 16 17 39 38 37 36 35 34 33 32 31 30 29 STo3 STo4 STo5 STo6 STo7 VSS D0 D1 D2 D3 D4 NC A3 A4 A5 DS R/W CS D7 D6 D5 NC DTA STi0 STi1 STi2 STi3 STi4.


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