Altera Corporation

Pooyan Khoshkhoo

Stephanie T Tran

Guu Lin

Toan D Do

Behzad Nouban

Yen-Fu Lin

A circuit can include a module having signal pads that are configurable to route signals between the circuit and at least one external device. The module can also have unused pads that are interleaved between the signal pads. A circuit can include a module having signal pads that are configurable to route varying signals between the circuit and at least one external device. The module can also have voltage pads that are configurable to route substantially constant voltages between at least one external device and the circuit. The signal pads can be interleaved between the voltage pads. A module with one or more of these features can achieve ideal performance in both wire bond and flip chip packages with the flexibility of setting a different input/output utilization percentage within the module.

Apparatus and method for input/output module that optimizes frequency performance in a circuit

The present invention provides circuitry for implementing a multiple data rate interface architectures for programmable logic devices. The programmable logic device of the invention includes a core and surrounding periphery. The core includes a plurality of logic elements arranged in an array. Some of the logic elements within the core include registers that are used as data registers for the multiple data rate interface.

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Santa Clara, CA, United States of America

Pooyan Khoshkhoo