Comparator.h

// This file contains code from NVSim, (c) 2012-2013,  Pennsylvania State University 
//and Hewlett-Packard Company. See LICENSE_NVSim file in the top-level directory.
//No part of DESTINY Project, including this file, may be copied,
//modified, propagated, or distributed except according to the terms
//contained in the LICENSE file.


#ifndef COMPARATOR_H_
#define COMPARATOR_H_

#include "FunctionUnit.h"
#include "constant.h"

class Comparator: public FunctionUnit {
public:
	Comparator();
	virtual ~Comparator();

	/* Functions */
	void PrintProperty();
	void Initialize(int _numTagBits, double _capLoad);
	void CalculateArea();
	void CalculateRC();
	void CalculateLatency(double _rampInput);
	void CalculatePower();
	Comparator & operator=(const Comparator &);

	/* Properties */
	bool initialized;	/* Initialization flag */
	int numTagBits;     /* Number of tag bits */
	double capLoad;     /* Load Capacitance */
	double widthNMOSInv[COMPARATOR_INV_CHAIN_LEN];
	double widthPMOSInv[COMPARATOR_INV_CHAIN_LEN];
	double widthNMOSComp;
	double widthPMOSComp;
	double capInput[COMPARATOR_INV_CHAIN_LEN];
	double capOutput[COMPARATOR_INV_CHAIN_LEN];
	double capBottom, capTop, resBottom, resTop;
	double rampInput, rampOutput;
};

#endif /* COMPARATOR_H_ */