IDT77V011

Features: · Single chip interface between multiple UTOPIA PHYs and a single Data Path Interface (DPI).· Ideal for xDSL DSLAM and 25Mbps switching applications.· Supports ATM Forum UTOPIA Level 2 interface in both 8-bit and 16-bit modes.· Supports UTOPIA Level 2 Cell Level Handshake.· Supports up t...

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IDT77V011 Picture
SeekIC No. : 004373274 Detail

IDT77V011: Features: · Single chip interface between multiple UTOPIA PHYs and a single Data Path Interface (DPI).· Ideal for xDSL DSLAM and 25Mbps switching applications.· Supports ATM Forum UTOPIA Level 2 int...

floor Price/Ceiling Price

Part Number:
IDT77V011
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:

· Single chip interface between multiple UTOPIA PHYs and a single Data Path Interface (DPI).
· Ideal for xDSL DSLAM and 25Mbps switching applications.
· Supports ATM Forum UTOPIA Level 2 interface in both 8-bit and 16-bit modes.
· Supports UTOPIA Level 2 Cell Level Handshake.
· Supports up to 31 PHYs on the UTOPIA Level 2 interface.
· Supports either 4-bit or 8-bit DPI interface.
· Supports cell sizes from 52 to 56 bytes on the DPI interface.
· Supports DPI operation up to 50MHz.
· Either Utility Bus or Parallel Manager Management interface for configuring and reading status of PHY registers.
· In-Stream™ (In-band) programming for configuration of device and management interface communications.
· TAG Routing for flexibility in routing cells.
· Single +3.3V ± 0.3V power supply required.
· Inputs are +5.0V tolerant.



Pinout

  Connection Diagram


Specifications

Symbol Parameter
Min.
Max.
Unit
VCC 3.3V Digital Supply Voltage
GND -0.3
3.6
V
VIN Digital Input Voltage
GND -0.3
5.50
V
VOUT Digital Output Voltage
GND -0.3
VCC
V
GND Digital Ground Voltage
5
0
V
IOUT Output Current
-
12.0
mA
TSTG Storage Temperature
-5.5
140



Description

The IDT77V011provides the interface translation between a 4 or 8-bit Data Path Interface (DPI) and an 8 or 16-bit UTOPIA Level 2 interface. DPI offers a reduced device pin count and gives the IDT77V400 Switching Memory a high degree of port configuration flexibility.

By providing a smooth translation to the UTOPIA Level 2 multi-PHY interface, the IDT77V011 offers the opportunity to connect up to 31 PHY ports to a single 155Mbps port of the IDT77V400 Switching Memory.

The IDT77V011 can also provide both transmit and receive TAG Routing, with each direction being individually programmed. In the receive direction up to four bytes can be added to the cell. In the transmit direction up to four bytes can be removed from the cell. This makes the IDT77V011, when combined with the IDT77V400, an ideal component for DSLAM and 25Mbps applications where the user would like to implement OC-3 bandwidth of a single IDT77V400 port to a number of lower bandwidth ports.

The 77V011 utilizes In-Stream™ programming for its device configuration options. The cells of IDT77V011are received on the DPI transmit interface, identified and sent to the internal cell interpreter for decoding and execution. In-Stream™ programming cells are transmitted based on a round-robin scheduler, which provides equal priority for each of the subports and the cell generator. This methodology is also used to communicate and configure the PHYs that are connected to the IDT77V011.

Other features of IDT77V011 include an EEPROM that holds information for initialization and Discovery/Identify cells, and a Management interface to access the PHY devices.




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