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82077AA Datasheet (PDF) - Intel Corporation

82077AA Datasheet PDF - Intel Corporation
Part # 82077AA
Download  82077AA Download

File Size   472.77 Kbytes
Page   62 Pages
Manufacturer  INTEL [Intel Corporation]
Direct Link  http://www.intel.com
Logo INTEL - Intel Corporation
Description CHMOS SINGLE-CHIP FLOPPY DISK CONTROLLER

82077AA Datasheet (PDF)

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82077AA Datasheet PDF - Intel Corporation

Part # 82077AA
Download  82077AA Click to download

File Size   472.77 Kbytes
Page   62 Pages
Manufacturer  INTEL [Intel Corporation]
Direct Link  http://www.intel.com
Logo INTEL - Intel Corporation
Description CHMOS SINGLE-CHIP FLOPPY DISK CONTROLLER

82077AA Datasheet (HTML) - Intel Corporation

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82077AA Product details

INTRODUCTION
The 82077AA is a true single-chip floppy disk, and tape drive controller for the PC-AT and PS/2. The 82077AA, a 24 MHz crystal, a resistor package and a chip select implement a complete design. All drive control signals are fully decoded and have 40 mA drive buffers with selectable polarity. Signals returned from the drive are sent through on-chip input buffers with hysteresis for noise immunity. The integrated analog data separator needs no external compensation yet allows for a wide motor speed variation with exceptionally low soft error rates. The microprocessor interface has a 12 mA drive buffer on the data bus plus 100% hardware register compatibility for PC-AT’s and PS/2’s. The 16-byte FIFO with programmable thresholds is extremely useful in multi-master systems (PS/2, EISA) or systems with a large amount of bus latency.

■ 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 Analog Data Separator
   — 250 Kbits/sec
   — 300 Kbits/sec
   — 500 Kbits/sec
   — 1 Mbits/sec
■ High Speed Processor Interface
■ Perpendicular Recording Support
■ Integrated Tape Drive Support
■ 12 mA Host Interface Drivers, 40 mA Disk Drivers
■ Four Fully Decoded Drive Select and Motor Signals
■ Programmable Write Precompensation Delays
■ Addresses 256 Tracks Directly, Supports Unlimited Tracks
■ 16 Byte FIFO
■ 68-Pin PLCC
   (See Packaging Spec., Order Ý240800, Package Type N)




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About Intel Corporation


Intel Corporation is an American multinational corporation and technology company headquartered in Santa Clara, California.
It is one of the world's largest and highest valued semiconductor chip makers, based on revenue.
Intel is best known for its development of microprocessors, the central processing units (CPUs) of computers.
Founded in 1968, Intel has been a leader in the computer hardware industry for over five decades.
In addition to microprocessors, the company offers a wide range of products and technologies, including data center and network equipment, solid-state drives, internet of things (IoT) devices, and more.
Intel is also a leading player in the development of 5G networks and autonomous vehicles.
With a focus on innovation and technology leadership, Intel continues to play a significant role in shaping the future of computing and technology.
The company invests heavily in research and development and has been awarded over 17,000 patents for its innovations.

*This information is for general informational purposes only, we will not be liable for any loss or damage caused by the above information.




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