IDT72V70210

The IDT72V70210 possesses low power 3.3 Volt operation, automatic ST-BUS/GCI sensing, memory block programming, simple microprocessor interface, one cycle direct internal memory accesses, JTAG test access port (TAP) and per stream programmable input offset delay, variable or constant throughput modes, internal loopback, output enable, and processor mode which has a non-blocking switch capacity of 1,024 x 1,024 channels at 2.048 Mb/s, programmable per stream control, with 32 inputs and 32 outputs, and a variety of operating modes the IDT72V70210 is designed for the TDM time slot interchange function in either voice or data applications.

The features of IDT72V70210 can be summarized as (1)32 serial input and output streams; (2)1,024 x 1,024 channel non-blocking switching at 2.048 Mb/s; (3)per-channel variable delay mode for low-latency applications; (4)per-channel constant delay mode for frame integrity applications; (5)automatic identification of ST-BUS and GCI serial streams; (6)automatic frame offset delay measurement; (7)per-stream frame delay offset programming; (8)per-channel high impedance output control; (9)per-channel processor mode to allow microprocessor writes to TX streams; (10)direct microprocessor access to all internal memories; (11)memory block programming for quick set-up; (12)IEEE-1149.1 (JTAG) test port; (13)internal loopback for testing; (14)available in 144-pin ball grid array (BGA) and 144-pin thin quad flatpack (TQFP)  packages; (15)operating temperature range -40°C to +85°C; (16)3.3V I/O with 5V tolerant inputs and TTL compatible outputs.

The absolute maximum ratings of IDT72V70210 are (1)VCC supply voltage: 3.0 to 3.6 V; (2)Vi voltage on digital inputs: GND -0.3 to 5.3 V; (3)IO current at digital outputs -50 to 50 mA; (4)TS storage temperature -55 to +125 ° C; (5)PD package power dissapation:2 W. (NOTE: Exceeding these values may cause permanent damage. Functional operation under these conditions is not implied.)