20 Digital Arithmetic Circuits 1,862

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Part	Manufacturer	Logic IC Type	Temperature Grade	Terminal Form	No. of Terminals	Package Code	Package Shape	Package Body Material	Schmitt Trigger	Surface Mount	No. of Functions	Technology	Screening Level	No. of Bits	Packing Method	Nominal Supply Voltage / Vsup (V)	Power Supplies (V)	Load Capacitance (CL)	Package Style (Meter)	Package Equivalence Code	Propagation Delay (tpd)	Maximum I (ol)	Sub-Category	Terminal Pitch	Maximum Operating Temperature	Output Characteristics	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)	Maximum Power Supply Current (ICC)	Additional Features	JESD-609 Code	Maximum Time At Peak Reflow Temperature (s)	Peak Reflow Temperature (C)	Length	Family
CD74HCT688EE4	Texas Instruments	MAGNITUDE COMPARATOR	MILITARY	THROUGH-HOLE	20	DIP	RECTANGULAR	PLASTIC/EPOXY		NO	1	CMOS		8	TUBE	5	5	50 pF	IN-LINE	DIP20,.3	51 ns	4 Amp	Arithmetic Circuits	2.54 mm	125 Cel		-55 Cel	Nickel/Palladium/Gold (Ni/Pd/Au)	DUAL	R-PDIP-T20		5.5 V	5.08 mm	7.62 mm	Not Qualified	INVERTED	4.5 V	.08 mA	CASCADABLE	e4	NOT SPECIFIED	NOT SPECIFIED	25.4 mm	HCT
SN74ALS521N	Texas Instruments	IDENTITY COMPARATOR	COMMERCIAL	THROUGH-HOLE	20	DIP	RECTANGULAR	PLASTIC/EPOXY		NO	1	TTL		8	TUBE	5	5	50 pF	IN-LINE	DIP20,.3	20 ns	24 Amp	Arithmetic Circuits	2.54 mm	70 Cel	3-STATE	0 Cel	Nickel/Palladium/Gold (Ni/Pd/Au)	DUAL	R-PDIP-T20		5.5 V	5.08 mm	7.62 mm	Not Qualified	INVERTED	4.5 V	19 mA	WITH PULL-UP RESISTORS ON Q INPUTS; CASCADABLE	e4	NOT SPECIFIED	NOT SPECIFIED	25.4 mm	ALS
MC74HCT688N	Motorola	MAGNITUDE COMPARATOR	INDUSTRIAL	THROUGH-HOLE	20	DIP	RECTANGULAR	PLASTIC/EPOXY		NO		CMOS				5	5		IN-LINE	DIP20,.3			Arithmetic Circuits	2.54 mm	85 Cel		-40 Cel	Tin/Lead (Sn/Pb)	DUAL	R-PDIP-T20					Not Qualified					e0
MM74HC688N	National Semiconductor	MAGNITUDE COMPARATOR	INDUSTRIAL	THROUGH-HOLE	20	DIP	RECTANGULAR	PLASTIC/EPOXY		NO	1	CMOS		8		4.5	2/6	50 pF	IN-LINE	DIP20,.3	220 ns		Arithmetic Circuits	2.54 mm	85 Cel		-40 Cel	Tin/Lead (Sn/Pb)	DUAL	R-PDIP-T20		6 V	5.08 mm	7.62 mm	Not Qualified	INVERTED	2 V		CASCADABLE	e0			26.075 mm	HC/UH
QS74FCT521ATSO	Integrated Device Technology	IDENTITY COMPARATOR	COMMERCIAL	GULL WING	20	SOP	RECTANGULAR	PLASTIC/EPOXY		YES		CMOS				5	5		SMALL OUTLINE	SOP20,.4			Arithmetic Circuits	1.27 mm	70 Cel		0 Cel	TIN LEAD	DUAL	R-PDSO-G20	1				Not Qualified					e0	20	225
SN74HC688PWR	Texas Instruments	IDENTITY COMPARATOR	INDUSTRIAL	GULL WING	20	TSSOP	RECTANGULAR	PLASTIC/EPOXY		YES	1	CMOS		8	TR	5	2/6	50 pF	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP20,.25	265 ns	5.2 Amp	Arithmetic Circuits	.65 mm	85 Cel		-40 Cel	Nickel/Palladium/Gold (Ni/Pd/Au)	DUAL	R-PDSO-G20	1	6 V	1.2 mm	4.4 mm	Not Qualified	INVERTED	2 V	.08 mA	CASCADABLE	e4	NOT SPECIFIED	260	6.5 mm	HC/UH
SN74HC688PWRE4	Texas Instruments	IDENTITY COMPARATOR	INDUSTRIAL	GULL WING	20	TSSOP	RECTANGULAR	PLASTIC/EPOXY		YES	1	CMOS		8	TR	5	2/6	50 pF	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP20,.25	265 ns	5.2 Amp	Arithmetic Circuits	.65 mm	85 Cel		-40 Cel	Nickel/Palladium/Gold (Ni/Pd/Au)	DUAL	R-PDSO-G20	1	6 V	1.2 mm	4.4 mm	Not Qualified	INVERTED	2 V	.08 mA	CASCADABLE	e4	NOT SPECIFIED	260	6.5 mm	HC/UH
SN74HC688PWRG4	Texas Instruments	IDENTITY COMPARATOR	INDUSTRIAL	GULL WING	20	TSSOP	RECTANGULAR	PLASTIC/EPOXY		YES	1	CMOS		8	TR	5	2/6	50 pF	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP20,.25	265 ns	5.2 Amp	Arithmetic Circuits	.65 mm	85 Cel		-40 Cel	NICKEL PALLADIUM GOLD	DUAL	R-PDSO-G20	1	6 V	1.2 mm	4.4 mm	Not Qualified	INVERTED	2 V	.08 mA	CASCADABLE	e4	30	260	6.5 mm	HC
SN74HC688PWTG4	Texas Instruments	IDENTITY COMPARATOR	INDUSTRIAL	GULL WING	20	TSSOP	RECTANGULAR	PLASTIC/EPOXY		YES	1	CMOS		8	TR	5	2/6	50 pF	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP20,.25	265 ns	5.2 Amp	Arithmetic Circuits	.65 mm	85 Cel		-40 Cel	Nickel/Palladium/Gold (Ni/Pd/Au)	DUAL	R-PDSO-G20	1	6 V	1.2 mm	4.4 mm	Not Qualified	INVERTED	2 V	.08 mA		e4	NOT SPECIFIED	260	6.5 mm	HC/UH
TC74AC521FW-ELP	Toshiba	IDENTITY COMPARATOR	INDUSTRIAL	GULL WING	20	SOP	RECTANGULAR	PLASTIC/EPOXY		YES	1	CMOS		8		5	3.3/5	50 pF	SMALL OUTLINE	SOP20,.4	12.5 ns		Arithmetic Circuits	1.27 mm	85 Cel		-40 Cel		DUAL	R-PDSO-G20		5.5 V	2.7 mm	7.5 mm	Not Qualified	INVERTED	2 V		CASCADABLE; 50 OHM LINE DRIVE CAPABILITY FOR < = 10MS ONE O/P AT A TIME		NOT SPECIFIED	240	12.8 mm	AC
74F521PC	Texas Instruments	IDENTITY COMPARATOR	COMMERCIAL	THROUGH-HOLE	20	DIP	RECTANGULAR	PLASTIC/EPOXY		NO	1	TTL		8		5			IN-LINE		11 ns			2.54 mm	70 Cel		0 Cel		DUAL	R-PDIP-T20		5.5 V	5.08 mm	7.62 mm		INVERTED	4.5 V						26.075 mm	F/FAST
74FCT521ATSOG	Renesas Electronics	IDENTITY COMPARATOR	INDUSTRIAL	GULL WING	20	SOP	RECTANGULAR	PLASTIC/EPOXY		YES	1	CMOS		8	TUBE	5	5	50 pF	SMALL OUTLINE	SOP20,.4	7.2 ns		Arithmetic Circuits	1.27 mm	85 Cel		-40 Cel	Matte Tin (Sn) - annealed	DUAL	R-PDSO-G20	1	5.25 V	2.65 mm	7.5 mm	Not Qualified	INVERTED	4.75 V		CASCADABLE	e3	30	260	12.8 mm	FCT
74FCT521CTQG8	Renesas Electronics	IDENTITY COMPARATOR	INDUSTRIAL	GULL WING	20	SSOP	RECTANGULAR	PLASTIC/EPOXY		YES	1	CMOS		8	TR	5	5	50 pF	SMALL OUTLINE, SHRINK PITCH	SSOP20,.25	4.5 ns		Arithmetic Circuits	.635 mm	85 Cel		-40 Cel	Matte Tin (Sn) - annealed	DUAL	R-PDSO-G20	1	5.25 V	1.75 mm	3.9116 mm	Not Qualified	INVERTED	4.75 V		CASCADABLE	e3	30	260	8.65 mm	FCT
74HC688PW,118	NXP Semiconductors	IDENTITY COMPARATOR	AUTOMOTIVE	GULL WING	20	TSSOP	RECTANGULAR	PLASTIC/EPOXY		YES	1	CMOS		8		5	2/6	50 pF	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP20,.25	51 ns		Arithmetic Circuits	.65 mm	125 Cel		-40 Cel	Nickel/Palladium/Gold (Ni/Pd/Au)	DUAL	R-PDSO-G20	1	6 V	1.1 mm	4.4 mm	Not Qualified	INVERTED	2 V		CASCADABLE	e4	30	260	6.5 mm	HC/UH
CD74HC688E	Texas Instruments	MAGNITUDE COMPARATOR	MILITARY	THROUGH-HOLE	20	DIP	RECTANGULAR	PLASTIC/EPOXY		NO	1	CMOS		8	TUBE	4.5	2/6	50 pF	IN-LINE	DIP20,.3	255 ns	5.2 Amp	Arithmetic Circuits	2.54 mm	125 Cel		-55 Cel	Nickel/Palladium/Gold (Ni/Pd/Au)	DUAL	R-PDIP-T20		6 V	5.08 mm	7.62 mm	Not Qualified	INVERTED	2 V	.08 mA	CASCADABLE	e4	NOT SPECIFIED	NOT SPECIFIED	25.4 mm	HC/UH
IDT74FCT521CTSO	Integrated Device Technology	IDENTITY COMPARATOR	INDUSTRIAL	GULL WING	20	SOP	RECTANGULAR	PLASTIC/EPOXY		YES	1	CMOS		8		5	5	50 pF	SMALL OUTLINE	SOP20,.4	4.5 ns		Arithmetic Circuits	1.27 mm	85 Cel		-40 Cel	TIN LEAD	DUAL	R-PDSO-G20	1	5.25 V	2.65 mm	7.5 mm	Not Qualified	INVERTED	4.75 V		CASCADABLE	e0	20	225	12.8 mm	FCT
MM74HC688WM	National Semiconductor	MAGNITUDE COMPARATOR	INDUSTRIAL	GULL WING	20	SOP	RECTANGULAR	PLASTIC/EPOXY		YES		CMOS					2/6		SMALL OUTLINE	SOP20,.4			Arithmetic Circuits	1.27 mm	85 Cel		-40 Cel	Tin/Lead (Sn/Pb)	DUAL	R-PDSO-G20					Not Qualified					e0
5962-8979302SA	National Semiconductor	IDENTITY COMPARATOR	MILITARY	FLAT	20	DFP	RECTANGULAR	CERAMIC, GLASS-SEALED		YES	1	CMOS	MIL-STD-883	8		5	5		FLATPACK	FL20,.3	12 ns		Arithmetic Circuits	1.27 mm	125 Cel		-55 Cel	TIN LEAD	DUAL	R-GDFP-F20		5.5 V	2.286 mm	6.731 mm	Not Qualified	INVERTED	4.5 V			e0				ACT
74FCT521CTQG	Renesas Electronics	IDENTITY COMPARATOR	INDUSTRIAL	GULL WING	20	SSOP	RECTANGULAR	PLASTIC/EPOXY		YES	1	CMOS		8	TUBE	5	5	50 pF	SMALL OUTLINE, SHRINK PITCH	SSOP20,.25	4.5 ns		Arithmetic Circuits	.635 mm	85 Cel		-40 Cel	Matte Tin (Sn) - annealed	DUAL	R-PDSO-G20	1	5.25 V	1.75 mm	3.9116 mm	Not Qualified	INVERTED	4.75 V		CASCADABLE	e3	30	260	8.65 mm	FCT
74HCT688D	NXP Semiconductors	IDENTITY COMPARATOR	AUTOMOTIVE	GULL WING	20	SOP	RECTANGULAR	PLASTIC/EPOXY		YES	1	CMOS		8		5	5	50 pF	SMALL OUTLINE	SOP20,.4	51 ns		Arithmetic Circuits	1.27 mm	125 Cel		-40 Cel	Nickel/Palladium/Gold (Ni/Pd/Au)	DUAL	R-PDSO-G20	1	5.5 V	2.65 mm	7.5 mm	Not Qualified	INVERTED	4.5 V		CASCADABLE	e4	30	260	12.8 mm	HCT
AM25LS2521/BSA	Advanced Micro Devices	IDENTITY COMPARATOR	MILITARY	FLAT	20	DFP	RECTANGULAR	CERAMIC		YES		TTL	38535Q/M;38534H;883B			5	5		FLATPACK	FL20,.3			Arithmetic Circuits	1.27 mm	125 Cel		-55 Cel	Tin/Lead (Sn/Pb)	DUAL	R-XDFP-F20					Not Qualified					e0
CD74HC688NSR	Texas Instruments	MAGNITUDE COMPARATOR	MILITARY	GULL WING	20	SOP	RECTANGULAR	PLASTIC/EPOXY		YES	1	CMOS		8	TR	4.5	2/6	50 pF	SMALL OUTLINE	SOP20,.3	255 ns	5.2 Amp	Arithmetic Circuits	1.27 mm	125 Cel		-55 Cel	Nickel/Palladium/Gold (Ni/Pd/Au)	DUAL	R-PDSO-G20	1	6 V	2 mm	5.3 mm	Not Qualified	INVERTED	2 V	.08 mA	CASCADABLE	e4	NOT SPECIFIED	260	12.6 mm	HC/UH
CD74HCT688EX	Intersil	MAGNITUDE COMPARATOR	MILITARY	THROUGH-HOLE	20	DIP	RECTANGULAR	PLASTIC/EPOXY		NO		CMOS				5	5		IN-LINE	DIP20,.3			Arithmetic Circuits	2.54 mm	125 Cel		-55 Cel	Tin/Lead (Sn/Pb)	DUAL	R-PDIP-T20										e0
IDT74FCT521ATQG	Renesas Electronics	IDENTITY COMPARATOR	INDUSTRIAL	GULL WING	20	SSOP	RECTANGULAR	PLASTIC/EPOXY		YES	1	CMOS		8		5	5	50 pF	SMALL OUTLINE, SHRINK PITCH	SSOP20,.25	7.2 ns		Arithmetic Circuits	.635 mm	85 Cel		-40 Cel	MATTE TIN	DUAL	R-PDSO-G20	1	5.25 V	1.75 mm	3.9116 mm	Not Qualified	INVERTED	4.75 V		CASCADABLE	e3	40	260	8.65 mm	FCT
IDT74FCT521ATSOG	Renesas Electronics	IDENTITY COMPARATOR	INDUSTRIAL	GULL WING	20	SOP	RECTANGULAR	PLASTIC/EPOXY		YES	1	CMOS		8		5	5	50 pF	SMALL OUTLINE	SOP20,.4	7.2 ns		Arithmetic Circuits	1.27 mm	85 Cel		-40 Cel	MATTE TIN	DUAL	R-PDSO-G20	1	5.25 V	2.65 mm	7.5 mm	Not Qualified	INVERTED	4.75 V		CASCADABLE	e3	40	260	12.8 mm	FCT
SN74LS682N	Texas Instruments	MAGNITUDE COMPARATOR	COMMERCIAL	THROUGH-HOLE	20	DIP	RECTANGULAR	PLASTIC/EPOXY	YES	NO	1	TTL		8	TUBE	5	5	45 pF	IN-LINE	DIP20,.3	30 ns	24 Amp	Arithmetic Circuits	2.54 mm	70 Cel		0 Cel	Nickel/Palladium/Gold (Ni/Pd/Au)	DUAL	R-PDIP-T20		5.25 V	5.08 mm	7.62 mm	Not Qualified	INVERTED	4.85 V	70 mA	WITH PULL-UP RESISTORS ON B INPUTS; WITH A = B & A > B OUTPUTS	e4	NOT SPECIFIED	NOT SPECIFIED	25.4 mm	LS
SN74LS688NSRG4	Texas Instruments	MAGNITUDE COMPARATOR	COMMERCIAL	GULL WING	20	SOP	RECTANGULAR	PLASTIC/EPOXY		YES	1	TTL		8		5	5		SMALL OUTLINE	SOP20,.3	23 ns		Arithmetic Circuits	1.27 mm	70 Cel		0 Cel	NICKEL PALLADIUM GOLD	DUAL	R-PDSO-G20	1	5.25 V	2 mm	5.3 mm	Not Qualified	INVERTED	4.85 V		WITH PULL-UP RESISTORS ON Q INPUTS; WITH P = Q & P > Q OUTPUTS	e4	30	260	12.6 mm	LS
CD74HC688M96	Texas Instruments	MAGNITUDE COMPARATOR	MILITARY	GULL WING	20	SOP	RECTANGULAR	PLASTIC/EPOXY		YES	1	CMOS		8	TR	4.5	2/6	50 pF	SMALL OUTLINE	SOP20,.4	255 ns	5.2 Amp	Arithmetic Circuits	1.27 mm	125 Cel		-55 Cel	Nickel/Palladium/Gold (Ni/Pd/Au)	DUAL	R-PDSO-G20	1	6 V	2.65 mm	7.5 mm	Not Qualified	INVERTED	2 V	.08 mA	CASCADABLE	e4	NOT SPECIFIED	260	12.8 mm	HC/UH
CD74HC688NSRE4	Texas Instruments	MAGNITUDE COMPARATOR	MILITARY	GULL WING	20	SOP	RECTANGULAR	PLASTIC/EPOXY		YES	1	CMOS		8		4.5	2/6		SMALL OUTLINE	SOP20,.3	255 ns		Arithmetic Circuits	1.27 mm	125 Cel		-55 Cel	NICKEL PALLADIUM GOLD	DUAL	R-PDSO-G20	1	6 V	2 mm	5.3 mm	Not Qualified	INVERTED	2 V		CASCADABLE	e4	30	260	12.6 mm	HC/UH
CD74HC688NSRG4	Texas Instruments	MAGNITUDE COMPARATOR	MILITARY	GULL WING	20	SOP	RECTANGULAR	PLASTIC/EPOXY		YES	1	CMOS		8		4.5	2/6		SMALL OUTLINE	SOP20,.3	255 ns		Arithmetic Circuits	1.27 mm	125 Cel		-55 Cel	NICKEL PALLADIUM GOLD	DUAL	R-PDSO-G20	1	6 V	2 mm	5.3 mm	Not Qualified	INVERTED	2 V		CASCADABLE	e4	30	260	12.6 mm	HC/UH
SN74F521DWR	Texas Instruments	IDENTITY COMPARATOR	COMMERCIAL	GULL WING	20	SOP	RECTANGULAR	PLASTIC/EPOXY		YES	1	TTL		8	TR	5	5	50 pF	SMALL OUTLINE	SOP20,.4	11 ns	20 Amp	Arithmetic Circuits	1.27 mm	70 Cel		0 Cel	Nickel/Palladium/Gold (Ni/Pd/Au)	DUAL	R-PDSO-G20	1	5.5 V	2.65 mm	7.5 mm	Not Qualified	INVERTED	4.5 V	32 mA	CASCADABLE	e4	NOT SPECIFIED	260	12.8 mm	F/FAST
SN74F521N	Texas Instruments	IDENTITY COMPARATOR	COMMERCIAL	THROUGH-HOLE	20	DIP	RECTANGULAR	PLASTIC/EPOXY		NO	1	TTL		8	TUBE	5	5	50 pF	IN-LINE	DIP20,.3	11 ns	20 Amp	Arithmetic Circuits	2.54 mm	70 Cel		0 Cel	Nickel/Palladium/Gold (Ni/Pd/Au)	DUAL	R-PDIP-T20		5.5 V	5.08 mm	7.62 mm	Not Qualified	INVERTED	4.5 V	32 mA	CASCADABLE	e4	NOT SPECIFIED	NOT SPECIFIED	24.325 mm	F/FAST
SN74LS682NSRE4	Texas Instruments	MAGNITUDE COMPARATOR	COMMERCIAL	GULL WING	20	SOP	RECTANGULAR	PLASTIC/EPOXY		YES	1	TTL		8		5	5		SMALL OUTLINE	SOP20,.3	30 ns		Arithmetic Circuits	1.27 mm	70 Cel		0 Cel	NICKEL PALLADIUM GOLD	DUAL	R-PDSO-G20	1	5.25 V	2 mm	5.3 mm	Not Qualified	INVERTED	4.85 V		WITH PULL-UP RESISTORS ON Q INPUTS; WITH P = Q & P > Q OUTPUTS	e4	30	260	12.6 mm	LS
SN74LS682NSRG4	Texas Instruments	MAGNITUDE COMPARATOR	COMMERCIAL	GULL WING	20	SOP	RECTANGULAR	PLASTIC/EPOXY		YES	1	TTL		8		5	5		SMALL OUTLINE	SOP20,.3	30 ns		Arithmetic Circuits	1.27 mm	70 Cel		0 Cel	NICKEL PALLADIUM GOLD	DUAL	R-PDSO-G20	1	5.25 V	2 mm	5.3 mm	Not Qualified	INVERTED	4.85 V		WITH PULL-UP RESISTORS ON Q INPUTS; WITH P = Q & P > Q OUTPUTS	e4	30	260	12.6 mm	LS
SNJ54HC283FK	Texas Instruments	ADDER/SUBTRACTOR	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC		YES		CMOS	38535Q/M;38534H;883B				2/6		CHIP CARRIER	LCC20,.35SQ			Arithmetic Circuits	1.27 mm	125 Cel		-55 Cel		QUAD	S-XQCC-N20					Not Qualified
CD54HC688	Texas Instruments	IDENTITY COMPARATOR	MILITARY	NO LEAD	20	DIE	UNSPECIFIED	UNSPECIFIED		YES	1	CMOS		8					UNCASED CHIP		255 ns				125 Cel		-55 Cel		UPPER	X-XUUC-N20		6 V			Not Qualified	INVERTED	2 V		CASCADABLE					HC/UH
SNJ54HC682FKR	Texas Instruments	MAGNITUDE COMPARATOR	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED		YES	1	CMOS	MIL-PRF-38535	8		5		50 pF	CHIP CARRIER		413 ns			1.27 mm	125 Cel		-55 Cel		QUAD	S-CQCC-N20		6 V	2.03 mm	8.89 mm	Not Qualified	INVERTED	2 V		WITH PULL-UP RESISTORS ON B INPUTS; WITH A = B & A > B OUTPUTS				8.89 mm	HC/UH
SN54F521J-00	Texas Instruments	IDENTITY COMPARATOR	MILITARY	THROUGH-HOLE	20	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED		NO	1	TTL		8		5			IN-LINE		12 ns			2.54 mm	125 Cel		-55 Cel		DUAL	R-GDIP-T20		5.5 V	5.08 mm	7.62 mm	Not Qualified	INVERTED	4.5 V		CASCADABLE				24.195 mm	F/FAST
SN54F283FK	Texas Instruments	ADDER/SUBTRACTOR	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED		YES	1	TTL		4		5	5	50 pF	CHIP CARRIER	LCC20,.35SQ	14 ns		Arithmetic Circuits	1.27 mm	125 Cel		-55 Cel		QUAD	S-CQCC-N20		5.5 V	2.03 mm	8.89 mm	Not Qualified		4.5 V	55 mA	FULL ADDER; WITH INTERNAL CARRY LOOKAHEAD; PERMITS RIPPLE CARRY CASCADING		NOT SPECIFIED	NOT SPECIFIED	8.89 mm	F/FAST
SN54ALS521FK	Texas Instruments	IDENTITY COMPARATOR	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED		YES	1	TTL		8		5	5	50 pF	CHIP CARRIER	LCC20,.35SQ	25 ns		Arithmetic Circuits	1.27 mm	125 Cel		-55 Cel		QUAD	S-CQCC-N20		5.5 V	2.03 mm	8.89 mm	Not Qualified	INVERTED	4.5 V	19 mA	CASCADABLE		NOT SPECIFIED	NOT SPECIFIED	8.89 mm	ALS
SN54HC684FKR	Texas Instruments	MAGNITUDE COMPARATOR	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED		YES	1	CMOS		8		5			CHIP CARRIER		413 ns			1.27 mm	125 Cel		-55 Cel		QUAD	S-CQCC-N20		6 V	2.03 mm	8.89 mm	Not Qualified	INVERTED	2 V		WITH A=B AND A > B OUTPUTS				8.89 mm	HC/UH
SN54F283FKR	Texas Instruments	ADDER/SUBTRACTOR	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED		YES	1	TTL		4		5		50 pF	CHIP CARRIER		14 ns			1.27 mm	125 Cel		-55 Cel		QUAD	S-CQCC-N20		5.5 V	2.03 mm	8.89 mm	Not Qualified		4.5 V	55 mA	FULL ADDER; WITH INTERNAL CARRY LOOKAHEAD; PERMITS RIPPLE CARRY CASCADING				8.89 mm	F/FAST
M38510/32901B2A	Texas Instruments	PARITY GENERATOR/CHECKER	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED		YES	1	TTL	MIL-PRF-38535 Class B	9		5	5		CHIP CARRIER	LCC20,.35SQ	72 ns		Arithmetic Circuit	1.27 mm	125 Cel		-55 Cel	TIN LEAD	QUAD	S-CQCC-N20		5.5 V			Not Qualified	INVERTED	4.5 V			e0				LS
SNC54LS637J	Texas Instruments	ERROR DETECTION AND CORRECTION CIRCUIT	MILITARY	THROUGH-HOLE	20	DIP	RECTANGULAR	CERAMIC		NO		TTL	MIL-STD-883 Class B (Modified)						IN-LINE	DIP20,.3			Arithmetic Circuits	2.54 mm	125 Cel		-55 Cel		DUAL	R-XDIP-T20					Not Qualified
SN54F350FK	Texas Instruments	SHIFTER	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED		YES	1	TTL		4		5	5		CHIP CARRIER	LCC20,.35SQ	7.5 ns		Arithmetic Circuits	1.27 mm	125 Cel	3-STATE	-55 Cel		QUAD	S-CQCC-N20		5.5 V	2.03 mm	8.89 mm	Not Qualified		4.5 V		WITH BARREL SHIFTING		NOT SPECIFIED	NOT SPECIFIED	8.89 mm	F/FAST
SNC54ALS522J	Texas Instruments	IDENTITY COMPARATOR	MILITARY	THROUGH-HOLE	20	DIP	RECTANGULAR	CERAMIC		NO		TTL	MIL-STD-883 Class B (Modified)			5	5		IN-LINE	DIP20,.3			Arithmetic Circuits	2.54 mm	125 Cel		-55 Cel		DUAL	R-XDIP-T20					Not Qualified
SNC54LS385J	Texas Instruments	ADDER/SUBTRACTOR	MILITARY	THROUGH-HOLE	20	DIP	RECTANGULAR	CERAMIC		NO		TTL	MIL-STD-883 Class B (Modified)						IN-LINE	DIP20,.3			Arithmetic Circuits	2.54 mm	125 Cel		-55 Cel		DUAL	R-XDIP-T20					Not Qualified
SN54LS683J	Texas Instruments	MAGNITUDE COMPARATOR	MILITARY	THROUGH-HOLE	20	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED		NO	1	TTL		8		5	5	45 pF	IN-LINE	DIP20,.3	35 ns		Arithmetic Circuits	2.54 mm	125 Cel	OPEN-COLLECTOR	-55 Cel		DUAL	R-GDIP-T20		5.5 V	5.08 mm	7.62 mm	Not Qualified	INVERTED	4.5 V	70 mA	WITH PULL-UP RESISTORS ON B INPUTS; WITH A = B & A > B OUTPUTS		NOT SPECIFIED	NOT SPECIFIED	24.195 mm	LS

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.