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82077AA PDF Datasheet ( 特性, スペック, ピン接続図 )

部品番号 82077AA
部品説明 CHMOS SINGLE-CHIP FLOPPY DISK CONTROLLER
メーカ Intel Corporation
ロゴ Intel Corporation ロゴ 



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82077AA Datasheet, 82077AA PDF,ピン配置, 機能
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82077AA
CHMOS SINGLE-CHIP FLOPPY DISK CONTROLLER
Y 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
Y Integrated Analog Data Separator
250 Kbits sec
300 Kbits sec
500 Kbits sec
1 Mbits sec
Y High Speed Processor Interface
Y Perpendicular Recording Support
Y Integrated Tape Drive Support
Y 12 mA Host Interface Drivers 40 mA
Disk Drivers
Y Four Fully Decoded Drive Select and
Motor Signals
Y Programmable Write Precompensation
Delays
Y Addresses 256 Tracks Directly
Supports Unlimited Tracks
Y 16 Byte FIFO
Y 68-Pin PLCC
(See Packaging Spec Order 240800 Package Type N)
The 82077AA floppy disk controller has completely integrated all of the logic required for floppy disk control
The 82077AA a 24 MHz crystal a resistor package and a device chip select implements a PC AT or PS 2
solution All programmable options default to compatible values The dual PLL data separator has better
performance than most board level discrete PLL implementations The FIFO allows better system perform-
ance in multi-master systems (e g PS 2 EISA) The 82077AA is available in three versions 82077AA-5
82077AA and 82077AA-1 82077AA-1 has all features listed in this data sheet It supports both tape drives and
4 Mb floppy drives The 82077AA supports 4 Mb floppy drives and is capable of operation at all data rates
through 1 Mbps The 82077AA-5 supports 500 300 250 Kbps data rates for high and low density floppy
drives
The 82077AA is fabricated with Intel’s CHMOS III technology and is available in a 68-lead PLCC (plastic)
package
PS 2 and PC AT are trademarks of IBM
Figure 1 82077AA Pinout
May 1994
290166 – 1
Order Number 290166-007

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部品番号部品説明メーカ
82077AA

CHMOS SINGLE-CHIP FLOPPY DISK CONTROLLER

Intel Corporation
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