IDT77V550

Features: ` Interprets switch command cells from external work station and loads the command into the IDT77V500 Switch Controller` Utilizes in-stream (in-band) signalling technique via the cell stream into the Switching Memory` Can generate control cells to be sent back to the external workstation...

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IDT77V550 Picture
SeekIC No. : 004373284 Detail

IDT77V550: Features: ` Interprets switch command cells from external work station and loads the command into the IDT77V500 Switch Controller` Utilizes in-stream (in-band) signalling technique via the cell stre...

floor Price/Ceiling Price

Part Number:
IDT77V550
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/3/28

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Product Details

Description



Features:

` Interprets switch command cells from external work station and loads the command into the IDT77V500 Switch Controller
` Utilizes in-stream (in-band) signalling technique via the cell stream into the Switching Memory
` Can generate control cells to be sent back to the external workstation
` Executes three types of commands:
Writing data to Switch Controller
Reading data from Switch Controller
Reset operations
` Single +3.3V ± 0.3V power supply
` Industrial Temperature (-40°C to 85°C) is available.



Pinout

  Connection Diagram


Specifications

Symbol Description Max Unit
VTERM(2) Terminal Voltage with Respect to GND -0.5 to +3.9 V
TBIAS Temperature Under Bias -55 to +125 °C
TSTG Storage Temperature 65 to +150 °C
IOUT DC Output Current 20 mA

NOTES:
1. Stresses greater than those listed under ABSOLUTE MAXIMUM RATINGS may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect reliability.
2. VCC terminals.




Description

The IDT77V550 Switch Manager is a device developed to provide a simple method of communication between an external workstation/ processor and the IDT77V500 Switch Controller. An In-Band signalling technique is utilized to examine incoming ATM cells, determining if the cell is a Command Cell for the Switch Controller, and loads the command if appropriate. In the typical configuration (Figure 1), the IDT77V550 is located on the IDT77V400 port to receive both signalling cells and standard traffic cells. The Switch Manager does not have to be connected to a Switching Memory port if IDT77V550 is only receiving the signalling cells.

The Switch Manager has two cell streams which flow in opposite directions, and can both interpret an incoming cell of IDT77V550 and generate control cells as necessary. Figure 2 illustrates the basic block configuration of the Switch Manager. The Data Path Interface (DPI) is used on both the cell input and output ports of the IDT77V550. DPI is utilized on the IDT77V400 to provide both reduced pin count per port and to offer configuration flexibility.




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