概要
説明
The 728981 is an ST-BUS® compatible digital switch controlled by a microprocessor. The device can handle as many as 128, 64Kbit/s input and output channels. Those 128 channels are divided into four serial inputs and outputs, each of which consists of 32 channels (64Kbit/s per channel) to form a multiplexed 2.048Mb/s stream.
特長
- 128 x 128 channel non-blocking switch
- Serial Telecom Bus Compatible (ST-BUS®)
- 4 RX inputs—32 channels at 64Kbit/s per serial line
- 4 TX output—32 channels at 64Kbit/s per serial line
- Three-state serial outputs
- Microprocessor interface (8-bit data bus)
- 5V power supply
- Available in a 44-pin Plastic Leaded Chip Carrier (PLCC), 40-pin Plastic Dip (P-DIP), and 44-pin Plastic Quad Flatpack (PQFP)
- Operating temperature range: -40 °C to +85 °C
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