IDT72V70840

3.3 VOLT TIME SLOT INTERCHANGE DIGITAL SWITCH 4,096 x 4,096 .EATURES: IDT72V70840 32 serial input and output streams 4,096 x 4,096 channel non-blocking switching at 8.192 Mb/s Accepts data streams at 2.048 Mb/s, 4.096 Mb/s or 8.192 Mb/s Per-channel Variable Delay Mode for low-latency applications Per-channel Constant Delay Mode for frame integrity applications Automatic identification of ST-BUS® and GCI serial streams Automatic frame offset delay measurement Per-stream frame delay offset programming Per-channel high impedance output control Per-channel processor mode to allow microprocessor writes to TX streams Direct microprocessor access to all internal memories Memory block programming for quick set-up IEEE-1149.1 (JTAG) Test Port Internal Loopback for testing Available in 144-pin Thin Quad Flatpack (TQFP) and 144-pin Ball Grid Array (BGA) packages Operating Temperature Range -40°C to +85°C 3.3V I/O with 5V tolerant inputs and TTL compatible outputs DESCRIPTION: The IDT72V70840 has a non-blocking switch capacity of 1,024 x 1,024 channels at 2.048 Mb/s, 2,048 x 2,048 channels at 4.096 Mb/s, and 4,096 x 4,096 channels at 8.192 Mb/s. With 32 inputs and 32 outputs, programmable per stream control, and a variety of operating modes the IDT72V70840 is designed for the TDM time slot interchange function in either voice or data applications. Some of the main features of the IDT72V70840 are low power 3.3 Volt operation, automatic ST-BUS®/GCI sen...