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IDT77V1253

Features: • Performs the PHY-Transmission Convergence (TC) and Physical Media Dependent (PMD) Sublayer functions for three 25.6 Mbps ATM channels• Compliant to ATM Forum (af-phy-040.000) and ITU-T I.432.5 specifications for 25.6 Mbps physical interface• Also operates at 51.2Mbps&...

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SeekIC No. : 004373278 Detail

IDT77V1253: Features: • Performs the PHY-Transmission Convergence (TC) and Physical Media Dependent (PMD) Sublayer functions for three 25.6 Mbps ATM channels• Compliant to ATM Forum (af-phy-040.000)...

IDT77V1253 Data Sheet

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Part Number:
IDT77V1253
Supply Ability:
5000

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

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Product Details

Description



Features:

• Performs the PHY-Transmission Convergence (TC) and
  Physical Media Dependent (PMD) Sublayer functions for
  three 25.6 Mbps ATM channels
• Compliant to ATM Forum (af-phy-040.000) and ITU-T
  I.432.5 specifications for 25.6 Mbps physical interface
• Also operates at 51.2Mbps
• UTOPIA Level 1, UTOPIA Level 2, or DPI-4 Interface
• 3-Cell Transmit & Receive FIFOs
• LED Interface for status signalling
• Supports UTP Category 3 physical media
• Interfaces to standard magnetics
• Low-Power CMOS
• 3.3V supply with 5V tolerant inputs
• 144-pin PQFP Package (28 x 28 mm)


Pinout

Connection Diagram


Specifications

Symbol Rating Value Unit
VTERM Terminal Voltage
with respect to GND		 0.5 to +5.5 V
TBIAS Temperature Under
Bias		 55 to +125 °C
TSTG Storage
Temperature		 55 to +125 °C
IOUT DC Output Current 50 mA

NOTE:
  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 reliabilty.


Description

The IDT77V1253 is a member of IDT's family of products supporting Asynchronous Transfer Mode (ATM) data communications and networking. The IDT77V1253 implements the physical layer for 25.6 Mbps ATM, connecting three serial copper links (UTP Category 3) to one ATM layer device such as a SAR or a switch ASIC. The IDT77V1253 also operates at 51.2 Mbps, and is well suited to backplane driving applications. The 77V1253-to-ATM layer interface is selectable as one of three options: 16-bit UTOPIA Level 2, 8-bit UTOPIA Level 1 Multi-PHY, or triple 4-bit DPI (Data Path Interface).

The IDT77V1253 is fabricated using IDT's state-of-the-art CMOS technology, providing the highest levels of integration, performance and reliability, with the low-power consumption characteristics of CMOS.




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