(China (Mainland))
Product Summary
The MT8981DP 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. The MT8981DP provides simultaneous connections for up to 128 64 kbit/s channels. Each of the four serial inputs and outputs consist of 32 64 kbit/s channels multiplexed to form a 2048 kbit/s ST-BUS stream. In addition, the MT8981DP provides microprocessor read and write access to individual ST-BUS channels.
Parametrics
MT8981DP absolute maximum ratings: (1)VDD - VSS: -0.3 to 7 V; (2)Voltage on Digital Inputs: VSS-0.3 to VDD+0.3 V; (3)Voltage on Digital Outputs: VSS-0.3 to VDD+0.3 V; (4)Current at Digital Outputs: 40 mA; (5)Storage Temperature: -65 to +150 ℃; (6)Package Power Dissipation: 2 W.
Features
MT8981DP features: (1)Mitel ST-BUS compatible; (2)4-line x 32-channel inputs; (3)4-line x 32-channel outputs; (4)128 ports non-blocking switch; (5)Single power supply (+5 V); (6)Low power consumption: 30 mW Typ; (7)Microprocessor-control interface; (8)three-state serial outputs.
Diagrams
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 MT8981DP |
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Data Sheet |
Negotiable |
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MT8910-1 |
Other |
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MT8920B |
Other |
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MT8920BE |
Other |
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Negotiable |
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MT8924 |
Other |
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Negotiable |
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MT8924AE |
Other |
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Data Sheet |
Negotiable |
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MT8926 |
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Data Sheet |
Negotiable |
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