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MT90820AC, MT90820AL-AE, MT90820AP1

Table of contents:
Info of MT90820AC
Info of MT90820AL-AE
Info of MT90820AP1

MT90820AC, MT90820AL-AE, MT90820AP1 Selling Leads, Datasheet

MFG:MITEL Package Cooled:QFP D/C:

MT90820AC, MT90820AL-AE, MT90820AP1 Picture

MT90820AC, MT90820AL-AE, MT90820AP1 Datasheet download

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Part Number: MT90820AC

MFG: MITEL

Package Cooled: QFP

D/C:

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MT90820AP1 General Description

The MT90820 Large Digital Switch has a non-blocking switch capacity of 2,048 x 2,048 channels at a serial bit rate of 8.192 Mb/s, 1,024 x 1,024 channels at 4.096 Mb/s and 512 x 512 channels at 2.048 Mb/s. The device has many features that are programmable on per stream or per channel basis, including message mode, input offset delay and high impedance output control.

Per stream input delay control is particularly useful for managing large multi-chip switches that transport both voice channel and concatenated data channels.

In addition, input stream can be individually calibrated for input frame offset using a dedicated pin.

MT90820AP1 Maximum Ratings

	Parameter	Symbol	Min	Max	Units
1	Supply Voltage	V_DD		6.0	V
2	Voltage on any pin I/O (other than supply pins)	V_I	V_SS - 0.3	V_DD+0.3	V
3	Continuous Current at digital outputs	I_O		20	mA
4	Package power dissipation (PLCC & PQFP)	P_D		2	W
5	Storage temperature	T_S	- 65	+125

* Exceeding these values may cause permanent damage. Functional operation under these conditions is not implied.

MT90820AP1 Features

• 2,048 × 2,048 channel non-blocking switching at 8.192 Mb/s
• Per-channel variable or constant throughput delay
• Automatic identification of ST-BUS/GCI interfaces
• Accept ST-BUS streams of 2.048 Mb/s, 4.096 Mb/s or 8.192 Mb/s
• Automatic frame offset delay measurement
• Per-stream frame delay offset programming
• Per-channel high impedance output control
• Per-channel message mode
• Control interface compatible to Motorola nonmulitplexed CPUs
• Connection memory block programming
• IEEE-1149.1 (JTAG) Test Port

MT90820AP1 Typical Application

• Medium and large switching platforms
• CTI application
• Voice/data multiplexer
• Digital cross connects
• ST-BUS/GCI interface functions
• Support IEEE 802.9a standard

MT90820AP1 Connection Diagram

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