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DP84902 1.7 Encoder/Decoder Circuit

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Description

DP84902 1 7 Encoder Decoder Circuit June 1994 DP84902 1 7 Encoder Decoder Circuit General .
The DP84902 is designed to perform the encoding and decoding for disk memory systems It is designed to interface directly with Integrated Read Channel.

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Datasheet Specifications

Part number
DP84902
Manufacturer
National Semiconductor
File Size
209.26 KB
Datasheet
DP84902_NationalSemiconductor.pdf
Description
1.7 Encoder/Decoder Circuit

Features

* Y Y Y Y Y Y Y Y Y Y Y Operates at 2-bit Non-Return to Zero (NRZ) Data Rates up to 50 Mbits second Single a 5V Power Supply Operation Low Power Dissipation when TTL compatible code output is selected 150 mW at 50 Mbits second NRZ Rate TTL Compatible Inputs and Outputs ECL Compatible Code Output

Applications

* This is accommplished by the setting of a bit in the control register The ENDEC also includes write data precompensation control circuitry which detects the need for write precompensation This circuitry issues early and late output signals necessary for precompensation The precompensation informatio

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