Browse Prior Art Database

Bit Line Isolation Pads

IP.com Disclosure Number: IPCOM000092469D
Original Publication Date: 1966-Nov-01
Included in the Prior Art Database: 2005-Mar-05
Document File: 2 page(s) / 25K

Publishing Venue

IBM

Related People

Simkins, QW: AUTHOR

Abstract

A bit driver and a sense amplifier are coupled to magnetic storage element 2 by bit conductor 3 and sense conductor 4. The sense amplifier is a differential amplifier and is coupled to two sense lines in a conventional arrangement that tends to cancel the effects of noise associated with bit currents.

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Bit Line Isolation Pads

A bit driver and a sense amplifier are coupled to magnetic storage element 2 by bit conductor 3 and sense conductor 4. The sense amplifier is a differential amplifier and is coupled to two sense lines in a conventional arrangement that tends to cancel the effects of noise associated with bit currents.

The ends of conductors 4 are terminated by resistors 5. The ends of conductors 3 are terminated by resistors 6. The terminating resistors help to suppress reflections on the conductors. Thus the delay that is required between a write operation and the next read operation is shortened.

In addition to resistors 5 and 6, conductors 3 are provided with a resistive pad formed by resistors 7, 8, 9, and 10. The pad attenuates reflections on conductors 3 and further shortens the delay between a write operation and the next read operation. Resistors 8 and 9 also improve the division of bit current in conductors 3.

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