AUTOMOTIVE Digital Arithmetic Circuits 293

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Part	Manufacturer	Logic IC Type	Temperature Grade	Terminal Form	No. of Terminals	Package Code	Package Shape	Package Body Material	Surface Mount	No. of Functions	Technology	No. of Bits	Nominal Supply Voltage / Vsup (V)	Load Capacitance (CL)	Package Style (Meter)	Propagation Delay (tpd)	Terminal Pitch	Maximum Operating Temperature	Minimum Operating Temperature	Terminal Finish	Terminal Position	JESD-30 Code	Moisture Sensitivity Level (MSL)	Maximum Supply Voltage (Vsup)	Maximum Seated Height	Width	Qualification	Output Polarity	Minimum Supply Voltage (Vsup)	Additional Features	JESD-609 Code	Length	Family
74HCT583PW-T	NXP Semiconductors	ADDER/SUBTRACTOR	AUTOMOTIVE	GULL WING	16	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	1	CMOS	4	5	50 pF	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	110 ns	.65 mm	125 Cel	-40 Cel		DUAL	R-PDSO-G16		5.5 V	1.1 mm	4.4 mm	Not Qualified		4.5 V	BCD ADDER; WITH INTERNAL CARRY LOOKAHEAD; PERMITS RIPPLE CARRY CASCADING		5 mm	HCT
74HCT688D/T3	NXP Semiconductors	IDENTITY COMPARATOR	AUTOMOTIVE	GULL WING	20	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1	CMOS	8	5		SMALL OUTLINE	51 ns	1.27 mm	125 Cel	-40 Cel	NICKEL PALLADIUM GOLD	DUAL	R-PDSO-G20	1	5.5 V	2.65 mm	7.5 mm	Not Qualified	INVERTED	4.5 V	CASCADABLE	e4	12.8 mm	HCT
74HCT147D,653	NXP Semiconductors	ENCODER	AUTOMOTIVE	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1	CMOS	9	5	50 pF	SMALL OUTLINE	53 ns		125 Cel	-40 Cel	NICKEL PALLADIUM GOLD	DUAL	R-PDSO-G16	1	5.5 V			Not Qualified		4.5 V	9 TO 4 LINE PRIORITY ENCODER	e4		HCT
74HCT147U	NXP Semiconductors	ENCODER	AUTOMOTIVE	NO LEAD			UNSPECIFIED	UNSPECIFIED	YES	1	CMOS	9	5		UNCASED CHIP	53 ns		125 Cel	-40 Cel		UPPER	X-XUUC-N		5.5 V			Not Qualified		4.5 V				HCT
74HCT182N	NXP Semiconductors	LOOK-AHEAD CARRY GENERATOR	AUTOMOTIVE	THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1	CMOS	4	5	50 pF	IN-LINE	65 ns		125 Cel	-40 Cel		DUAL	R-PDIP-T16		5.5 V			Not Qualified		4.5 V	WITH HIGHER ORDER LOOKAHEAD			HCT

Digital Arithmetic Circuits

Digital arithmetic circuits are electronic circuits designed to perform arithmetic operations on digital signals. These circuits are essential components of digital systems, such as microprocessors, digital signal processors, and programmable logic devices.

Digital arithmetic circuits can perform various arithmetic operations, including addition, subtraction, multiplication, division, and modulo arithmetic. These operations are performed using binary arithmetic, where numbers are represented using the binary number system (0s and 1s).

Adders are one of the most commonly used digital arithmetic circuits. They are used to perform binary addition, where two binary numbers are added to produce a sum. Adders can be designed using various techniques, including ripple carry adders, carry look-ahead adders, and carry select adders.

Subtractors are also commonly used digital arithmetic circuits. They are used to perform binary subtraction, where one binary number is subtracted from another to produce a difference. Subtractors can be designed using techniques, including ripple borrow subtractors, borrow look-ahead subtractors, and borrow select subtractors.

Multiplexers and demultiplexers are digital circuits that can be used for various arithmetic operations, such as multiplication and division. Multiplexers can be used to select one of several input signals based on a control signal, while demultiplexers can be used to distribute a single input signal to several outputs based on a control signal.

Digital arithmetic circuits can also be designed using programmable logic devices, such as field-programmable gate arrays (FPGAs) and complex programmable logic devices (CPLDs). These devices can be programmed to implement various arithmetic operations and can be reprogrammed to adapt to changing system requirements.