XR-3471 Datasheet - Exar

XR-3471 Floppy Disk Write Amplifier

FUNCTIONAL BLOCK DIAGRAM The XR-3471 is a write amplifier designed to provide the complete interface between write data signals and tunnel and stradd Ie erase magnetic heads. Although primarily intended for floppy disk drive systems, the XR-3471 can also be used in other magnetic media systems suc.

XR-3471 Features

* Fully Programmable Write & Erase Currents Fully Programmable Erase Turn-on/Turn-off Times (Tunnel and Straddle Erase Compatibility) Inhibit Output TTL Compatible Inputs Direct Replacement for Motorola MC3471 R/W2 R/W1 CB NC TOGGLE INH 20 cn APPLICATIONS Floppy Disk

XR-3471-Exar.pdf