XR-117
XR-117 is Hard Disk Read/Write manufactured by Exar.
DESCRIPTION
The XR-117 is a high speeq head interface integrated circuit for hard disk drives, performing both read and write functions. The XR-117 is patible with 3%" to 14" single and multiple platter drives, and features high bandwidth, large dynamic range, and low noise. Several packaging options extend usefulness to applications requiring two, four, or six center-tapped read/write heads; multiple devices are easily cascaded for drives with more heads.
The XR-117, manufactured with a high speed bipolar process, operates on +5 V and +12 V.
FUNCTIONAL 81.0CK DIAGRAM
FEATURES plete Head Interfacing Functions, Read and Write High Bandwidth and Dynamic Range Low Noise Available in Two, Four, and Six Head Versions Easily Cascaded for Larger Systems Power Monitor with Automatic Disable TTL patible Inputs
APPLICATIONS
Single or Multiple Platter Hard Disk Drives
ABSOLUTE MAXIMUM RATINGS
VDD1 and VDD2
VCC Digital...