W83797F - Brand New Winbond Electronics IC Chips
In Stock:98 ,Ready for Immediate Shipping
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In Stock:
98,
Ready for Immediate Shipping
Brand:Winbond Electronics
Category:IC Chips
Chipdatas Part No.:CD94-W83797F
Manufacturer Part No.:W83797F
Datecode:09+
Package:QFP-100
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Description
The W83797F is an advanced version of Winbond's popular VL-IDE interface chip, the W83759. It retains all the features and compatibility of the W83759, meeting the ANSI ATA 4.0 specification for IDE hard disk operation and the VESA VL-Bus 2.0 specification for PC local bus devices. It also incorporates new features to meet Enhanced IDE, SFF-8011, ATA-2, and Fast-ATA specifications.
Specifications and Features
- Pin-to-pin backward compatible with W83759 VL-IDE Interface chip
- VESA VL-Bus Rev 2.0 compatible, connects directly to local bus and four IDE drives
- Direct interface to various ANSI ATA/ATA-2/FAST ATA/IDE-2/Enhanced IDE drives
- Supports 32 and 16-bit data transfer
- Fully software programmable for command active/recovery time and address setup, data hold time
- Built-in VL-Bus to 16-bit IO data buffer for special applications
- Fully supports Enhanced IDE features, including Fast PIO, Mode 3/4, IORDY flow control, prefetch control
- Supports dual channels to allow up to four drives or non-disk devices (ATAPI CD-ROM and tape drives)
- Pipeline pre-fetched reads and posted writes for concurrent disk and host operations
- Independent access timing for all drives (primary/secondary and master/slave)
- All Enhanced IDE new features may be disabled/enabled via driver or power-on setting by per drive selectability
- ATA/Mode 0-4 PIO speed may be set as default timing of each drive via power-on jumper setting
- Supports slave DMA mode protocol (reserved)
- Supports auto power-down, standby, suspend APM power management state for green PCs
- Primary and secondary channel can be independently enabled/disabled by software or jumper setting
- Supports drivers for DOS, Windows, OS/2, UNIX, and Netware
- Packaged in 100-pin QFP
Application Scenarios
The W83797F is commonly used in electronic devices that require an advanced VL-IDE interface chip. It is suitable for a wide range of applications, including desktop computers, laptops, workstations, and embedded systems.
Comparison
Advantages- Pin-to-pin backward compatibility with W83759 VL-IDE Interface chip.
- Supports a variety of ANSI ATA/ATA-2/FAST ATA/IDE-2/Enhanced IDE drives.
- Fully programmable for command active/recovery time, address setup, and data hold time.
- Built-in VL-Bus to 16-bit IO data buffer for special applications.
- Supports dual channels, allowing for up to four drives or non-disk devices.
- Independent access timing for all drives.
- Supports drivers for various operating systems.
Disadvantages- Supports a maximum of 16-bit data transfer, which may not be sufficient for high-performance applications.
- Does not support the latest IDE/ATA specifications.
- Reserved slave DMA mode protocol without support.
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Similar parts: 430483 , Click to view
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Datasheet
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Shopping guide
Delivery period:
- - Will ship out in 2-3 days
- - DHL Express: 3-7 business days
- - DHL eCommerce: 12-22 business days
- - FedEx International Priority: 3-7 business days
- - EMS: 10-15 business days
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Additional Information
- Datasheet: Download W83797F
- Chipdatas Part: CD94-W83797F
- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
- Free Shipping: Yes
- Prority Shipping: Yes, 3-5 days
- Last Updated: 2024/05/21 01:53 +0800
Refund
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- Full Refund if you don't receive your order
- Full or Partial Refund , If the item is not as described
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