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DP8391A

SNI Serial Network Interface; Compatible with Ethernet II, IEEE 802.3; 10Base5, 10Base2, and 10Base-T\n10 Mb/s Manchester encoding/decoding with receive clock recovery\nPatented digital phase locked loop (DPLL) decoder requires no precision external components\nDecodes Manchester data with up to g18 ns of jitter\nLoopback capability for diagnostics\nExternally selectable half or full step modes of operation at transmit output\nSquelch circuits at the receive and collision inputs reject noise\nHigh voltage protection at transceiver interface (16V)\nTTL/MOS compatible controller interface\nConnects directly to the transceiver (AUI) cable;

General Description\nThe DP8391A Serial Network Interface (SNI) provides the Manchester data encoding and decoding functions for IEEE 802.3 Ethernet/Cheapernet type local area networks. The SNI interfaces the DP8390 Network Interface Controller (NIC) to the Ethernet transceiver cable. When transmitting, the SNI converts non-return-to-zero (NRZ) data from the controller and clock pulses into Manchester encoding and sends the converted data differentially to the transceiver. The opposite process occurs on the receive path, where a digital phase-locked loop decodes 10 Mbit/s signals with as much as ±18 ns of jitter.\n

DP8391A

SNI Serial Network Interface

DP8391AN

SNI Serial Network Interface

DP8391AV

SNI Serial Network Interface

ISL8391

Providinghigh-performancesolutionsforeverylinkinthesignalchain

ISL8391

Low-Voltage,SingleandDualSupply,QuadSPST,AnalogSwitches

ISL8391

Low-Voltage,SingleandDualSupply,QuadSPST,AnalogSwitches

ISL8391

Low-Voltage,SingleandDualSupplyQuadSPST,AnalogSwitches

TheIntersilISL8391–ISL8393devicesareCMOS,precision, quadanalogswitchesdesignedtooperatefromasingle+2V to+12Vsupplyorfroma±2Vto±6Vsupply.Targeted applicationsincludebatterypoweredequipmentthatbenefit fromthedevices’lowpowerconsumption(

ISL8391

Low-Voltage,SingleandDualSupply,QuadSPST,AnalogSwitches

ISL8391IB

Low-Voltage,SingleandDualSupply,QuadSPST,AnalogSwitches