(China (Mainland))
Product Summary
The MT8985AL is an Enhanced Digital Switch. It is designed for switching PCM-encoded voice or data, under microprocessor control, in digital exchanges, PBXs and any ST-BUS/MVIP environment. Applications of the MT8985AL include: Medium size digital switch matrices, Hyperchannel switching (e.g., ISDN H0), ST-BUS/MVIP interface functions, Serial bus control and monitoring, Centralized voice processing systems, Data multiplexer.
Parametrics
MT8985AL absolute maximum ratings: (1)VDD - VSS:-0.3V to 7V; (2)Voltage on Digital Inputs:VSS-0.3V to VDD+0.3V; (3)Voltage on Digital Outputs:VSS-0.3V to VDD+0.3V; (4)Current at Digital Outputs:40 mA; (5)Storage Temperature:-65℃ to +150℃; (6)Package Power Dissipation:2W.
Features
MT8985AL features: (1)256 x 256 channel non-blocking switch ; (2)Programmable frame integrity for wideband channels; (3)Automatic identification of ST-BUS/GCI interface backplanes; (4)Per channel tristate control; (5)Patented message mode; (6)Non-multiplexed microprocessor interface; (7)Single +5 volt supply; (8)Pin compatible with MT8980 device.
Diagrams
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