IDT72V8985

3.3 VOLT TIME SLOT INTERCHANGE DIGITAL SWITCH 256 x 256 IDT72V8985 FEATURES: 256 x 256 channel non-blocking switch Automatic signal identification (ST-BUS®, GCI) 8 RX inputs—32 channels at 64 Kbit/s per serial line 8 TX outputs—32 channels at 64 Kbit/s per serial line Three-state serial outputs Microprocessor Interface (8-bit data bus) Frame Integrity for data applications 3.3V Power Supply Available in 44-pin Plastic Leaded Chip Carrier (PLCC) Operating Temperature Range -40°C to +85°C 3.3V I/O with 5V Tolerant Inputs DESCRIPTION: The IDT72V8985 is a ST-BUS®/GCI compatible digital switch controlled by amicroprocessor. TheIDT72V8985canhandleasmanyas256,64Kbit/sinput and output channels. Those 256 channels are divided into 8 serial inputs and outputs, each of which consists of 32 channels. The IDT72V8985 provides perchannel variable or constant throughput delay modes and microprocessor read and write access to individual channels. A...