Die apparatus having configurable input/output and control method thereof
AssigneeQUALCOMM Incorporated
InventorsBehnam Malekkhosravi, Daniel J. Woodard, David Ian West
Life of this patent
Estimating the term…
Abstract
A metal configurable I/O structure for an integrated circuit is disclosed. The metal configurable I/O structure may be configured for one of any of a plurality of I/O specifications. Preferably a common voltage reference and a common current reference is generated for provision to a plurality of I/O structures.
Claims20
-4. (canceled)
A die having integrated circuitry, the die comprising:
- one or more configurable input/output (I/O) blocks, each of the I/O blocks comprising:
- a plurality of subcells;
- a metal layer configured to couple only selected ones of the subcells of the plurality of subcells in a configuration to provide I/O interfacing indicative of an I/O requirement, where the I/O block is configurable to operate pursuant to a plurality of I/O requirements and the configuration of the metal layer corresponds to the selected I/O requirement;
- and
- a reference block configured to output to each of the I/O blocks a signal for adjusting the I/O interfacing.
A die having integrated circuitry, the die comprising:
- a plurality of input/output (I/O) blocks, each of the plurality of the I/O blocks having circuitry configured to provide one or more I/O interface signals according to one or more I/O requirements;
- and
- a calibration block configured to output to the plurality of the I/O blocks a signal adapted to calibrate the circuitry of the I/O blocks to adjust the one or more I/O interface signals.
A die having integrated circuitry, the die comprising:
- a plurality of input/output (I/O) blocks, each of the plurality of the I/O blocks having circuitry configured to provide an I/O signal indicative of one or more I/O requirements;
- and
- a reference block configured to output to the I/O blocks an I/O information signal adapted for use in adjusting the I/O signal.
A method of controlling configurable input/output (I/O) block on a die, the method comprising:
- providing a plurality of I/O blocks, each of the I/O blocks having a circuit configured to provide I/O interfacing according to a requirement;
- receiving an I/O information signal at each of the plurality of the I/O blocks;
- and
- adjusting a signal generated for I/O interfacing to have characteristics indicative of information of the I/O information signal.
A die having integrated circuitry, the die comprising:
- a plurality of input/output (I/O) blocks, each of the plurality of the I/O blocks configured to provide I/O interfacing according to one or more I/O requirements;
- and
- a reference voltage block configured to output a voltage reference signal to each of the I/O blocks, the voltage reference signal being configured to provide a reference voltage level to each of the I/O blocks.
A die having integrated circuitry, the die comprising:
- a plurality of input/output (I/O) blocks, each of the plurality of the I/O blocks having circuitry to provide one or more I/O signals according to one or more I/O requirements;
- a reference voltage block configured to output a signal indicative of a voltage level to each of the I/O blocks;
- and
- a calibration block configured to output to the plurality of the I/O blocks a signal configured to calibrate the one or more I/O signals.
(canceled)
A plurality of dies each having integrated circuitry, the integrated circuitry including an input/output (I/O) ring forming a plurality of I/O slots, each of the dies having a common base template of circuit elements in the I/O ring, at least some of the circuit elements arranged in subcells, with metallization connecting only some of the subcells based on a selected I/O standard for each I/O slot, with each die further including a single reference unit operatively providing a reference voltage to each of the I/O slots.
(canceled)
Dependencies are inferred from the claim text.