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IDT72V70840 Datasheet 3.3 Volt Time Slot Interchange Digital Switch

Manufacturer: Integrated Device Technology

Overview: 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.

General 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

Key Features

  • of the IDT72V70840 are low power 3.3 Volt operation, automatic ST-BUS®/GCI sensing, memory block programming, simple microprocessor interface, one cycle direct internal memory accesses, .

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