IDT72V8981
IDT72V8981 is 3.3 VOLT TIME SLOT INTERCHANGE DIGITAL SWITCH manufactured by IDT.
3.3 VOLT TIME SLOT INTERCHANGE DIGITAL SWITCH 128 x 128
Features
:
- 128 x 128 channel non-blocking switch
- Serial Tele Bus patible (ST-BUS®)
- 4 RX inputs- 32 channels at 64 Kbit/s per serial line
- 4 TX output- 32 channels at 64 Kbit/s per serial line
- Three-state serial outputs
- Microprocessor Interface (8-bit data bus)
- 3.3V Power Supply
- Available in 44-pin Plastic Leaded Chip Carrier (PLCC), and
44-pin Plastic Quad Flatpack (PQFP)
- Operating Temperature Range -40°C to +85°C
- 3.3V I/O with 5V Tolerant Inputs
DESCRIPTION:
The IDT72V8981 is a ST-BUS® patible digital switch controlled by a microprocessor. The IDT72V8981canhandleasmanyas128,64Kbit/sinput and output channels. Those 128 channels are divided into 4 serial inputs and outputs, each of which consists of 32 channels (64 Kbit/s per channel) to form a multiplexed 2.048 Mb/s stream.
FUNCTIONAL DESCRIPTION
Afunctionalblockdiagramofthe IDT72V8981deviceisshownbelow. The serial...
