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W83759A

Application· 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 pro...

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SeekIC No. : 004545188 Detail

W83759A: Application· 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 AT...

W83759A Data Sheet

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Part Number:
W83759A
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Application

· 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


Pinout

Connection Diagram


Specifications

PARAMETER
RATING
UNIT
Power Supply Voltage
-0.3 to 7.0
V
Input Voltage
VSS-0.3 to VDD +0.3
V
Operating Temperature (Ta)
0 to + 70
°C
Storage Temperature
-55 to + 150
°C
Note: Exposure to conditions beyond those listed under Absolute Maximum Ratings may adversely affect the life and reliability of the device.


Description

The W83759A is an advanced version of Winbond's popular VL-IDE interface chip, the W83759. The W83759A retains all of the features and compatibility of the W83759 (the chip meets the ANSI ATA 4.0 specification for IDE hard disk operation and the VESA VL-Bus 2.0 specification for PC local bus devices) while incorporating new features to meet Enhanced IDE, SFF-8011, ATA-2, and Fast-ATA specifications.




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