National Semiconductor Mass Storage 1989 Handbook contain the following data sheets & application notes


Rigid Disk Pulse Detectors
DP8464B Disk Pulse Detector
DP8468B Disk Pulse Detector + Emedded Servo Detector

Rigid Disk Data Separators/Synchronizers and ENDECs
DP8461/65 Data Séparator , DP8451/55 Data Synchronizer
DP8459 All-Code Data Synchronizer
DP8462 2,7 Code Data Synchronizer
DP8463B (2,7) ENDEC
DP8469 Synchronizer /2,7 Endec

AN-414 Precautions for Disk Data Separator (PLL) Designs - How to avoid typical Problems
AN-415 Designing with the DP8461
AN-494 Designing with the DP8462
AN-416 Designing with the DP8465
AN-578 DP8459 Windows Strobe Function
AN-599 DP8459 Zoned Bit Recording
AN-502 DP8459 Evaluation Board

Rigid Disk Data Controller
DP8466A Disk Data Controller
Designing an ESDI (Enhanced Small Device Interface) Disk Controller Sybsystem with National's DP8466A (Disk Data Controller)
AN-501 Interfacing National's DP8466A to the SMD Storage Module Device Interface Standard (Hard Sectored Drive)

SCSI Bus Interface circuit
The DP8490 and DP5380 Comparison Guide
DP8490 Enhanced SCSI Interface (EASI)
DP5380 Asynchronous SCSI Interface (ASI)
AN-575 Realize the Speed of Asynchronous SCSI
DP8490 E.A.S.I. Does It!
AN-563 A SCSI Printer Controller Using Either the DP8490 EASI Or DP5380 ASI and Users Guide

Floppy Disk Controller
DP8473 Floppy Disk Controller PLUS-2
See http://www.freewebz.com/daner/finalp.htm
AN-505 Floppy Disk Data Separator Design Guide for the DP8473
AN-631 Design Guide for DP8473 in a PC-AT

Disk Drive Interface Circuits
DS8921/21A
DS8922/22A DS8923/23A TRI-STATE RS422 Dual Differential Line Driver and Receiver Pairs
DS26C31C CMOS Quad TRI-STATE Differntial Line Driver
DS26C32AC Quad Line Receiver
DS34C86 Quad CMOS Differential Line Receiver

Rigid Disk Preamplifiers and Servo Control Circuits
DP117-X / DP117-XR / µA117-X/ µA117-XR Series Winchester Disk Read/ Write Preamplifiers
DP501X/DP501XR/ µA501X/µA501XR Series 6 or 8 Channel Read/Write Circuit

Rigid Disk Preamplifiers and Servo Control Circuits
DP24H80 / µA24H80 Winchester Disk Servo Preamplifier
DP2580 / µA2580 Winchester Disk Servo Preamplifiers
DP2460 / DP2461 / µA2460 / µA2461 Servo Control Chips
2470A Servo Demodulator

Disk Drive Microcontroller Circuits
Disk Drive Microcontroller introduction
The 16-Bit HPC Family Optimized for Mass storage System Performance
HPC16083 /HPC26083 / HPC36083 / HPC46083 High performance microcontrollers

Disk interface Design Guide
AN-413 Disk Interface Design Guide and User's Manual
Disk Drive Technology - Overview
DP8464B Hard Disk Pulse Detector
Disk Sata Seprator overview
DP8466 Disk Data Controller Overview
System and disk interfacing with DDC

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