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> TI380C60PAH texas instuments cmos token-ring interface
TI380C60PAH texas instuments cmos token-ring interface
Date Code 05+ Obsolete refurbished parts
(We have May 05,Aug05, Oct 05, Dec05 mixed in trays)
Some parts MAY have kicked leads, discolored leads, and/or bent leads.
There is no warranty or return for this part number.
Facilitates Connection of the TI380C25, TI380C26, or TI380C27 to Token Ring
Internal Crystal Oscillator for Reference-Clock Generation
Loop Back (Wrap Mode) for Self-Test Diagnostics
Compatible With Electrical Interface of ISO/IEC 8802.5: 1995 (ANSI/IEEE Std. 802.5) Token-Ring Access Method and Physical Layer Specifications
Glueless Interface to TI380C2x COMMprocessor for Token Ring
16- and 4-Mbps Token-Ring Data Rates With no External Switching Circuits
Repeater Application Requires no Additional Active Components
Precise Control of Bandwidths
Minimizes Accumulated Phase Slope
Phantom Drive for Physical Insertion Onto Ring
Differential Line Receiver With Level-Dependent Frequency Equalization
Low-Impedance Differential Line Driver to Ease Transmit-Filter Design
Low-Power Enhanced Performance Implanted CMOS (EPICTM) 0.8-um Process
PCMCIA-Compatible 52-Lead 1,0-mm Plastic Quad Flatpack
All necessary functions required to interface with an IEEE-802.5 token ring are provided. These include the PLL, the phantom drive to control the relays within a trunk-coupling unit, and wire-fault detection circuits. An internal wrap function is provided for self test, and a watchdog timer is included to provide fail-safe deinsertion from the ring in the event of a station microcode or COMMprocessor failure.
The TI380C60, when coupled with one of the TI380C2x token-ring COMMprocessors, forms a highly integrated token-ring LAN adapter compatible with the ISO/IEEE Standard 802.5. The TI380C60 synthesizes the necessary token-ring reference clock for its own use and for the TI380C2x. This removes the need for external components to provide this function.
The TI380C60 can function as a stand-alone device because the digital PLL is self-contained and requires no additional circuits for frequency management. Using the device in this manner in the repeat mode provides a highly integrated token-ring repeater with no additional active components suitable for wiring center applications.
The TI380C60 is available in a 52-lead 1,0-mm plastic quad flatpack and is characterized for operation from 0 C to 95 C with a typical power dissipation of 600 mW.
