schematic diagram disk drive motor controller
Abstract: nec765 an6311 schematic diagram disk drive motor sa450 disk drive diagram control system diagram disk drive DP8473 floppy interface floppy disk interface
Text: National Semiconductor Application Note 631 Robert Lutz Steve Horeff December 1989 OVERVIEW When designing a floppy interface circuit for a PC-AT in the past there was very little flexibility given to the design engineer The NEC765 which was designed into the original
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NEC765
20-3A
schematic diagram disk drive motor controller
an6311
schematic diagram disk drive motor
sa450
disk drive diagram
control system diagram disk drive
DP8473
floppy interface
floppy disk interface
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uPD765
Abstract: DP8473 N82077 NEC765A PC01 PC87413 PC87414 PC87416 PC87417 tag 9320
Text: November 2001 Rev 1.1 PC87413, PC87414, PC87416, PC87417 LPC ServerI/O for Servers and Workstations General Description The National Semiconductor PC8741x family of LPC ServerI/O devices “PC8741x” comprises highly integrated Advanced I/O products. The PC8741x is targeted for a wide
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PC87413,
PC87414,
PC87416,
PC87417
PC8741x
PC8741x"
uPD765
DP8473
N82077
NEC765A
PC01
PC87413
PC87414
PC87416
PC87417
tag 9320
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inverter circuit diagram toshiba a100
Abstract: str 6856 "spindle motor" DP8473 IEEE1284 N82077 PC87338 PC97 PC97338 PD765A
Text: PC87338/PC97338 ACPI 1.0 and PC97 Compliant SuperI/O General Description Differences between the PC87338 and PC97338 are indicated in italics. These differences are summarized in Appendix A. The PC97338 is a fully ACPI 1.0 and PC97 compliant, ISA based Super I/O. It is functionally compatible with
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PC87338/PC97338
PC87338
PC97338
PC87338.
IEEE1284
requir80-530
inverter circuit diagram toshiba a100
str 6856
"spindle motor"
DP8473
N82077
PC97
PD765A
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STR t 6153
Abstract: OR-2185 LBGD nec upd765 application note "Barium Ferrite"
Text: To all our customers We are pleased to inform you that National Semiconductor Corporation's Advanced PC APC Division joined Winbond Electronics Corporation on May 5th 2005. As a result, in this document “National Semiconductor Corporation” and “National” should be understood as
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20-3A
STR t 6153
OR-2185
LBGD
nec upd765 application note
"Barium Ferrite"
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schematic diagram disk drive motor controller
Abstract: 3 phase scr drive circuit diagram SCR TRIGGER PULSE 3 phase INS8250N-B "floppy controller" underrun nec floppy 3 phase waveform generator disk drive diagram nec floppy circuit octal tri state buffer ic
Text: PC87311A PC87312 SuperI O TM II III Floppy Disk Controller with Dual UARTs Parallel Port and IDE Interface General Description Features The PC87311A 12 incorporates a floppy disk controller (FDC) two full function UARTs a bidirectional parallel port and IDE interface control logic in one chip The PC87311A
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PC87311A
PC87312
PC87311A
PC87312
20-3A
schematic diagram disk drive motor controller
3 phase scr drive circuit diagram
SCR TRIGGER PULSE 3 phase
INS8250N-B
"floppy controller" underrun
nec floppy
3 phase waveform generator
disk drive diagram
nec floppy circuit
octal tri state buffer ic
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486sl
Abstract: 82078
Text: 82078 44 PIN 8.0 COMPATIBILITY 8.2 Drive Polling The 82078 was designed with software compatibility in mind. It is a fully backwards compatible solution with the older generation 8272A and NEC765A/B disk controllers. It is fully compatible with Intel’s 386/486SL Microprocessor Superset.
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NEC765A/B
386/486SL
486sl
82078
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Untitled
Abstract: No abstract text available
Text: intJ 82078 64 PIN CHMOS SINGLE-CHIP FLOPPY DISK CONTROLLER — Selectable Boot Drive — Standard IBM and ISO Format Features — Format with Write Command for High Performance in Mass Floppy Duplication • Small Footprint and Low Height Packages ■ Supports Standard 5.0V as well as Low
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Mbps/500
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WD7600
Abstract: No abstract text available
Text: WD76C20ALV INTRODUCTION 1.0 INTRODUCTION 1.1 DOCUMENT SCOPE • This data sheet applies to both the 3.3 volt or 5.0 volt or 3.3 volt and 5.0 volt mixed voltage WD76C20ALV device. The WD76C20ALV can be used with either a 5.0 volt power supply or a low voltage 3.3 volt power supply. Some references are
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WD76C20ALV
WD76C20ALV
WD76C20A
100-pin
84-PIN
WD7600
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WD7600
Abstract: No abstract text available
Text: WD76C20/LV INTRODUCTION 1.0 INTRODUCTION 1.1 DOCUMENT SCOPE • On chip clock generation: This data sheet applies to both the WD76C20, and WD76C20LV. The WD90C20LV is a low voltage version of the WD76C20 chip. For convenience all references to these two devices will be referred to
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WD76C20/LV
WD76C20,
WD76C20LV.
WD90C20LV
WD76C20
WD76C20.
84-pin
14MHZ
WD76C20LV
WD7600
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WD7600
Abstract: S3V 77 57-DB3 CHN 535 S3V 83 WD76C20ALV D76C20ALV
Text: WD76C20ALV INTRODUCTION 1.0 INTRODUCTION 1.1 DOCUMENT SCOPE • This data sheet applies to both the 3.3 volt or 5.0 volt or 3.3 volt and 5.0 volt mixed voltage WD76C20ALV device. The WD76C20ALV can be used with either a 5.0 volt power supply or a low voltage 3.3 volt power supply. Some references are
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WD76C20ALV
84-pin
100pin
100-pin
WD76C20ALV
WD7600
S3V 77
57-DB3
CHN 535
S3V 83
D76C20ALV
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FDC37C65CLJ
Abstract: FDC37C65C P fdc37c65
Text: MAY 2 S STANDARD MICROSYSTEMS CORPORATION, 35 Marcus B iv d . Hauppauge NY 11788 516 273-5100 Fax (516) 231-6004 FD C 37C 65C + PRELIMINARY COMPONENT PRODUCTS DIVISION 2.88M B Floppy Disk Controller FEATURES • • • • • • • • • • • •
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FDC37C65C
D37C65C
FDC37C65CLJ
FDC37C65C P
fdc37c65
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Untitled
Abstract: No abstract text available
Text: PRELIMINARY February 1995 PC87303VUL Superl/O Sidewinder Lite Floppy Disk Controller, Keyboard Controller, Real-Time Clock, Dual UARTs, IEEE 1284 Parallel Port, and IDE Interface General Description Features The PC87303VUL is a single chip solution incorporating a
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PC87303VUL
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NEC765A
Abstract: No abstract text available
Text: \ C C niCROELECTRONICS 37E D • o o aao ia ACC Micro = aoaooB? — t 3211 "-S 2L-33_t t 3211 PC AT/XT Floppy Disk Controller with IDE Features ■ Compatible with IBM PC/AT and XT disk drive systems ■ Supports 360K/720K/1.2M/1.44M formats ■ Supports up to four 3.5’ or 5.25" floppy disk
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360K/720K/1
NEC765A
16-byte
16-bit
100-QFP
G05001Ã
0GGG036
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gm82c765
Abstract: No abstract text available
Text: GM82C765B FLOPPY DISK SUBSYSTEM CONTROLLER G e n e ra l D e s c rip tio n The G M 82C 765B is a CMOS LSI device which interfaces a host microprocessor to the floppy disk drive. It integrates the function of the Formatter/Controller, Data Separator, Write Precompensation, Data rate selection, C lock Generation, High
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GM82C765B
12MHz,
GM82C765B
gm82c765
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DIAC DB2
Abstract: nec765 WD37C658 D1 DB2 Diac WD37C65 WD37C65A 37C65 db1 diac WD37C65B floppy disk Stepping Motors
Text: WD37C65/A/B Floppy Disk Subsystem Controller FEATURES • IBM’ PC AT’ compatible format single and double density — Floppy control and operations on chip — In PC AT mode, provides required signal qualification to DMA channel — BIOS compatible — Dual speed spindle drive support
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WD37C65/A/B
PD8080/8S,
P08086,
P0780
VHM902S
DIAC DB2
nec765
WD37C658
D1 DB2 Diac
WD37C65
WD37C65A
37C65
db1 diac
WD37C65B
floppy disk Stepping Motors
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intel floppy disk controller 8272
Abstract: 82072 82077sl toggle flip flop ic 8272 floppy disk controller RKS-D2
Text: in^tj 82077SL CHMOS SINGLE-CHIP FLOPPY DISK CONTROLLER • Completely Compatible with Industry Standard 82077AA ■ Single-Chip Laptop Desktop Floppy Disk Controller Solution — 100% PC AT* Compatible — 100% PS/2* Compatible — 100% PS/2 Model 30 Compatible
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82077SL
68-Pin
82077AA
82077SL-1.
82077SL-1
82077SL-5
intel floppy disk controller 8272
82072
toggle flip flop ic
8272 floppy disk controller
RKS-D2
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ETR00
Abstract: PC84778 WG A5 6D 25 Z canton AS 60 SC service manual 8477BVF WG A4 6D 02 Z WG A8 6D 05 Z floppy controller PC MOTHERBOARD ibm rev 1.5 SERVICE MANUAL free "Barium Ferrite"
Text: PC8477B SuperFDC Advanced Floppy Disk Controller General Description The PC8477B CMOS advanced floppy disk controller is an enhanced version of National’s DP8473 floppy controller. The PC8477B is software compatible with the DP8473 and NEC jaPD765 floppy disk controllers. In addition, it is pin and
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PC8477B
PC8477B
DP8473
jaPD765
82077AA
PC8477B,
ETR00
PC84778
WG A5 6D 25 Z
canton AS 60 SC service manual
8477BVF
WG A4 6D 02 Z
WG A8 6D 05 Z
floppy controller
PC MOTHERBOARD ibm rev 1.5 SERVICE MANUAL free
"Barium Ferrite"
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nec pd765 fdc
Abstract: hd mfm data separator
Text: 2.0 Configuration Registers 2.2 SOFTWARE CONFIGURATION If the system requires access to the Configuration Registers after reset, the following procedure must be used to change data in the registers. 1. Determine the PC87306 Index Register’s default location.
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PC87306
nec pd765 fdc
hd mfm data separator
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82c765B
Abstract: WD37C65
Text: GM82C765B FLOPPY DISK SUBSYSTEM CONTROLLER General Description Features The GM82C765B is a CMOS LSI device which interfaces a host microprocessor to the floppy disk drive. It integrates the function of the Formatter/Controller, Data Separator, Write Precompensation, Data rate selection, Clock Generation, High
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GM82C765B
GM82C765B
12MHz,
GM82C7658
82c765B
WD37C65
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Untitled
Abstract: No abstract text available
Text: 82078 44 PIN CHMOS SINGLE-CHIP FLOPPY DISK CONTROLLER • Small Footprint and Low Height Package ■ Enhanced Power Management — Application Software Transparency — Programmable Powerdown Command — Save and Restore Commands for Zero-Volt Powerdown — Auto Powerdown and Wakeup
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8207B
Bbl75
Q174B14
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SK 6211
Abstract: 82077sl nec A2C lds8h intel floppy disk controller 8272 82072 Intel 82072 29041 microchannel "Floppy Disk Controllers"
Text: i n t J , 82077AA CHMOS SINGLE-CHIP FLOPPY DISK CONTROLLER Single-Chip Floppy Disk Solution — 100% PC AT* Compatible — 100% PS/2* Compatible — 100% PS/2 Model 30 Compatible — Integrated Drive and Data Bus Buffers Integrated Tape Drive Support 12 mA Host Interface Drivers, 40 mA
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82077AA
68-Pin
82077SL
82077SL-5
2bl75
01bll37
SK 6211
nec A2C
lds8h
intel floppy disk controller 8272
82072
Intel 82072
29041
microchannel
"Floppy Disk Controllers"
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nec 765 fdc
Abstract: LM 3771 WD7600 hdd spindle motor 765 fdc chn 850 7812 WD76C10 765A floppy disk Stepper Motors
Text: WD76C20/LV INTRODUCTION 1.0 INTRODUCTION 1.1 DOCUMENT SCOPE • This data sheet applies to both the WD76C20, and WD76C20LV. The WD90C20LV is a low voltage version of the WD76C20 chip. For convenience all references to these two devices will be referred to
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WD76C20/LV
WD76C20,
WD76C20LV.
WD90C20LV
WD76C20
WD76C20.
84-pin
WD76C20)
nec 765 fdc
LM 3771
WD7600
hdd spindle motor
765 fdc
chn 850
7812
WD76C10
765A
floppy disk Stepper Motors
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ACC Microelectronics Corporation
Abstract: 12V SM 39 Z 2 STEPPER MOTOR floppy disk motor head step MCS3202 floppy disk Stepper Motors FLOPPY DISK DRIVE ADI1529A NEC765A "ACC Microelectronics" MCS3202FN
Text: Order this data sheet by MCS3202/D MOTOROLA SEMICONDUCTOR TECHNICAL DATA MCS3202 Advance Information P S /2 * Floppy D isk F o rm atter/ C ontroller The MCS3202 is a high performance CMOS single-chip floppy disk con troller. With the MCS3202, designers can build an IBM PS/2 compatible
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MCS3202
MCS3202,
360K/720K/1
NEC765A
A23837
C63627
MCS3202
ACC Microelectronics Corporation
12V SM 39 Z 2 STEPPER MOTOR
floppy disk motor head step
floppy disk Stepper Motors
FLOPPY DISK DRIVE
ADI1529A
"ACC Microelectronics"
MCS3202FN
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SK 6211
Abstract: s82078 82072 SRB 2512 HT 25-19 B2078
Text: 82078 64 PIN CHMOS SINGLE-CHIP FLOPPY DISK CONTROLLER • Small Footprint and Low Height Packages ■ Supports Standard 5.0V as well as Low Voltage 3.3V Platforms — Selectable 3.3V and 5.0V Configuration — 5.0V Tolerant Drive Interface ■ Enhanced Power Management
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