COMMERCIAL Digital Counters 2,114

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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	Maximum Frequency At Nominal Supply	Technology	No. of Bits	Load or Preset Input	Packing Method	Nominal Supply Voltage / Vsup (V)	Power Supplies (V)	Load Capacitance (CL)	Package Style (Meter)	Package Equivalence Code	Operation Mode	Propagation Delay (tpd)	Maximum I (ol)	Sub-Category	Terminal Pitch	Maximum Operating Temperature	Count Direction	Output Characteristics	Trigger Type	Terminal Finish	Terminal Position	Minimum fmax	JESD-30 Code	Moisture Sensitivity Level (MSL)	Maximum Supply Voltage (Vsup)	Maximum Seated Height	Width	Qualification	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
T74LS169B1	STMicroelectronics	BINARY COUNTER	COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1	25000000 Hz	TTL	4	YES		5	5	15 pF	IN-LINE	DIP16,.3	SYNCHRONOUS	20 ns	8 Amp	Counters	2.54 mm	70 Cel	BIDIRECTIONAL		POSITIVE EDGE	TIN LEAD	DUAL	25 MHz	R-PDIP-T16		5.25 V	5.1 mm	7.62 mm	Not Qualified	4.75 V	34 mA	TCO OUTPUT	e0				LS
T74LS160AD1	STMicroelectronics	DECADE COUNTER	COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	1	25000000 Hz	TTL	4	YES		5	5	15 pF	IN-LINE	DIP16,.3	SYNCHRONOUS	27 ns	8 Amp	Counters	2.54 mm	70 Cel	UP		POSITIVE EDGE		DUAL	25 MHz	R-GDIP-T16		5.25 V	5.08 mm	7.62 mm	Not Qualified	4.75 V	32 mA	TCO OUTPUT					LS
T74LS163AD1	STMicroelectronics	BINARY COUNTER	COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	1	25000000 Hz	TTL	4	YES		5	5	15 pF	IN-LINE	DIP16,.3	SYNCHRONOUS	27 ns	8 Amp	Counters	2.54 mm	70 Cel	UP		POSITIVE EDGE		DUAL	25 MHz	R-GDIP-T16		5.25 V	5.08 mm	7.62 mm	Not Qualified	4.75 V	32 mA	TCO OUTPUT					LS
T74LS490C1	STMicroelectronics	DECADE COUNTER	COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY	YES	2		TTL	4	YES		5		15 pF	CHIP CARRIER		ASYNCHRONOUS	54 ns			1.27 mm	70 Cel	UP		NEGATIVE EDGE		QUAD	25 MHz	S-PQCC-J20		5.25 V	4.57 mm	8.9662 mm	Not Qualified	4.75 V	30 mA					8.9662 mm	LS
T74LS192M1	STMicroelectronics	DECADE COUNTER	COMMERCIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1	25000000 Hz	TTL	4	YES		5	5	15 pF	SMALL OUTLINE	SOP16,.25	SYNCHRONOUS	47 ns	8 Amp	Counters	1.27 mm	70 Cel	BIDIRECTIONAL		POSITIVE EDGE	TIN LEAD	DUAL	25 MHz	R-PDSO-G16		5.25 V	1.75 mm	3.9 mm	Not Qualified	4.75 V	34 mA	TCO UP AND TCO DOWN OUTPUTS; SEPARATE UP/DOWN CLOCK	e0			9.9 mm	LS
T74LS161B1	STMicroelectronics	BINARY COUNTER	COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1	25000000 Hz	TTL		YES		5	5		IN-LINE	DIP16,.3	SYNCHRONOUS		8 Amp	Counters	2.54 mm	70 Cel	UP				DUAL		R-PDIP-T16					Not Qualified		32 mA			NOT SPECIFIED	NOT SPECIFIED
T74LS168D1	STMicroelectronics	DECADE COUNTER	COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	1	25000000 Hz	TTL	4	YES		5	5	15 pF	IN-LINE	DIP16,.3	SYNCHRONOUS	20 ns	8 Amp	Counters	2.54 mm	70 Cel	BIDIRECTIONAL	3-STATE	POSITIVE EDGE		DUAL	25 MHz	R-GDIP-T16	1	5.25 V	5.08 mm	7.62 mm	Not Qualified	4.75 V	34 mA	TCO OUTPUT					LS
T74LS197C1	STMicroelectronics	BINARY COUNTER	COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY	YES	2		TTL	3	YES		5		15 pF	CHIP CARRIER		ASYNCHRONOUS	95 ns			1.27 mm	70 Cel	UP		NEGATIVE EDGE		QUAD	30 MHz	S-PQCC-J20		5.25 V	4.57 mm	8.9662 mm	Not Qualified	4.75 V		DIVIDE BY 2 AND DIVIDE BY 8 FUNCTIONS				8.9662 mm	LS
T74LS162AD1	STMicroelectronics	DECADE COUNTER	COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	1	25000000 Hz	TTL	4	YES		5	5	15 pF	IN-LINE	DIP16,.3	SYNCHRONOUS	27 ns	8 Amp	Counters	2.54 mm	70 Cel	UP		POSITIVE EDGE		DUAL	25 MHz	R-GDIP-T16		5.25 V	5.08 mm	7.62 mm	Not Qualified	4.75 V	32 mA	TCO OUTPUT					LS
T74LS163C1	STMicroelectronics	BINARY COUNTER	COMMERCIAL	NO LEAD	20	QCCN	SQUARE	PLASTIC/EPOXY	YES	1	25000000 Hz	TTL		YES		5	5		CHIP CARRIER	LCC20,.35SQ	SYNCHRONOUS		8 Amp	Counters	1.27 mm	70 Cel	UP				QUAD		S-PQCC-N20					Not Qualified		32 mA
T74LS92M1	STMicroelectronics	DIVIDE BY 12 COUNTER	COMMERCIAL	GULL WING	14	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	2		TTL	3	YES		5		15 pF	SMALL OUTLINE		ASYNCHRONOUS	50 ns			1.27 mm	70 Cel	UP		NEGATIVE EDGE		DUAL	32 MHz	R-PDSO-G14		5.25 V	1.75 mm	3.9 mm	Not Qualified	4.75 V	15 mA	DIVIDE BY 2 AND DIVIDE BY 6 FUNCTIONS				8.65 mm	LS
T74LS393M1	STMicroelectronics	BINARY COUNTER	COMMERCIAL	GULL WING	14	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	2	25000000 Hz	TTL	4	NO		5	5	15 pF	SMALL OUTLINE	SOP14,.25	ASYNCHRONOUS	60 ns	8 Amp	Counters	1.27 mm	70 Cel	UP		NEGATIVE EDGE	TIN LEAD	DUAL	25 MHz	R-PDSO-G14		5.25 V	1.75 mm	3.9 mm	Not Qualified	4.75 V	30 mA		e0			8.65 mm	LS
T74LS490D1	STMicroelectronics	DECADE COUNTER	COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	2	25000000 Hz	TTL	4	YES		5	5	15 pF	IN-LINE	DIP16,.3	ASYNCHRONOUS	54 ns	8 Amp	Counters	2.54 mm	70 Cel	UP		NEGATIVE EDGE		DUAL	25 MHz	R-GDIP-T16	1	5.25 V	5.08 mm	7.62 mm	Not Qualified	4.75 V	30 mA						LS
T74LS193C1	STMicroelectronics	BINARY COUNTER	COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1		TTL	4	YES		5		15 pF	CHIP CARRIER		SYNCHRONOUS	47 ns			1.27 mm	70 Cel	BIDIRECTIONAL		POSITIVE EDGE		QUAD	25 MHz	S-PQCC-J20		5.25 V	4.57 mm	8.9662 mm	Not Qualified	4.75 V	34 mA	TCO UP AND TCO DOWN OUTPUTS; SEPARATE UP/DOWN CLOCK				8.9662 mm	LS
T74LS161C1	STMicroelectronics	BINARY COUNTER	COMMERCIAL	NO LEAD	20	QCCN	SQUARE	PLASTIC/EPOXY	YES	1	25000000 Hz	TTL		YES		5	5		CHIP CARRIER	LCC20,.35SQ	SYNCHRONOUS		8 Amp	Counters	1.27 mm	70 Cel	UP				QUAD		S-PQCC-N20					Not Qualified		32 mA
T74LS390B1	STMicroelectronics	DECADE COUNTER	COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	4		TTL	3	NO		5	5	15 pF	IN-LINE	DIP16,.3	ASYNCHRONOUS	60 ns		Counters	2.54 mm	70 Cel	UP		NEGATIVE EDGE	TIN LEAD	DUAL	25 MHz	R-PDIP-T16		5.25 V	5.1 mm	7.62 mm	Not Qualified	4.75 V	30 mA	DIVIDE BY 2 AND DIVIDE BY 5 FUNCTIONS	e0				LS
T74LS390D1	STMicroelectronics	DECADE COUNTER	COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	4	25000000 Hz	TTL	3	NO		5	5	15 pF	IN-LINE	DIP16,.3	ASYNCHRONOUS	60 ns	8 Amp	Counters	2.54 mm	70 Cel	UP		NEGATIVE EDGE		DUAL	25 MHz	R-GDIP-T16	1	5.25 V	5.08 mm	7.62 mm	Not Qualified	4.75 V	30 mA	DIVIDE BY 2 AND DIVIDE BY 5 FUNCTIONS					LS
T74LS93B1	STMicroelectronics	BINARY COUNTER	COMMERCIAL	THROUGH-HOLE	14	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	2		TTL	3	NO		5	5	15 pF	IN-LINE	DIP14,.3	ASYNCHRONOUS	70 ns		Counters	2.54 mm	70 Cel	UP		NEGATIVE EDGE	TIN LEAD	DUAL	32 MHz	R-PDIP-T14		5.25 V	5.1 mm	7.62 mm	Not Qualified	4.75 V	15 mA	DIVIDE BY 2 AND DIVIDE BY 8 FUNCTIONS	e0				LS
T74LS161AD1	STMicroelectronics	BINARY COUNTER	COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	1	25000000 Hz	TTL	4	YES		5	5	15 pF	IN-LINE	DIP16,.3	SYNCHRONOUS	27 ns	8 Amp	Counters	2.54 mm	70 Cel	UP		POSITIVE EDGE		DUAL	25 MHz	R-GDIP-T16		5.25 V	5.08 mm	7.62 mm	Not Qualified	4.75 V	32 mA	TCO OUTPUT					LS
T74LS93M1	STMicroelectronics	BINARY COUNTER	COMMERCIAL	GULL WING	14	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	2		TTL	3	NO		5	5	15 pF	SMALL OUTLINE	SOP14,.25	ASYNCHRONOUS	70 ns		Counters	1.27 mm	70 Cel	UP		NEGATIVE EDGE	TIN LEAD	DUAL	32 MHz	R-PDSO-G14		5.25 V	1.75 mm	3.9 mm	Not Qualified	4.75 V	15 mA	DIVIDE BY 2 AND DIVIDE BY 8 FUNCTIONS	e0			8.65 mm	LS
T74LS93D1	STMicroelectronics	BINARY COUNTER	COMMERCIAL	THROUGH-HOLE	14	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	2		TTL	3	NO		5	5	15 pF	IN-LINE	DIP14,.3	ASYNCHRONOUS	70 ns		Counters	2.54 mm	70 Cel	UP		NEGATIVE EDGE	TIN LEAD	DUAL	32 MHz	R-GDIP-T14		5.25 V	5.08 mm	7.62 mm	Not Qualified	4.75 V	15 mA	DIVIDE BY 2 AND DIVIDE BY 8 FUNCTIONS	e0				LS
T74LS192B1	STMicroelectronics	DECADE COUNTER	COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1	25000000 Hz	TTL	4	YES		5	5	15 pF	IN-LINE	DIP16,.3	SYNCHRONOUS	47 ns	8 Amp	Counters	2.54 mm	70 Cel	BIDIRECTIONAL		POSITIVE EDGE	TIN LEAD	DUAL	25 MHz	R-PDIP-T16		5.25 V	5.1 mm	7.62 mm	Not Qualified	4.75 V	34 mA	TCO UP AND TCO DOWN OUTPUTS; SEPARATE UP/DOWN CLOCK	e0				LS
T74LS390C1	STMicroelectronics	DECADE COUNTER	COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY	YES	4		TTL	3	YES		5		15 pF	CHIP CARRIER		ASYNCHRONOUS	60 ns			1.27 mm	70 Cel	UP		NEGATIVE EDGE		QUAD	25 MHz	S-PQCC-J20		5.25 V	4.57 mm	8.965 mm	Not Qualified	4.75 V	30 mA	DIVIDE BY 2 AND DIVIDE BY 5 FUNCTIONS				8.965 mm	LS
T74LS162B1	STMicroelectronics	DECADE COUNTER	COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1	25000000 Hz	TTL		YES		5	5		IN-LINE	DIP16,.3	SYNCHRONOUS		8 Amp	Counters	2.54 mm	70 Cel	UP				DUAL		R-PDIP-T16					Not Qualified		32 mA
T74LS568C1	STMicroelectronics	DECADE COUNTER	COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1	25000000 Hz	TTL		YES					CHIP CARRIER	LDCC20,.4SQ	SYNCHRONOUS			Counters	1.27 mm	70 Cel	BIDIRECTIONAL	3-STATE			QUAD		S-PQCC-J20					Not Qualified
T74LS163B1	STMicroelectronics	BINARY COUNTER	COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1	25000000 Hz	TTL		YES		5	5		IN-LINE	DIP16,.3	SYNCHRONOUS		8 Amp	Counters	2.54 mm	70 Cel	UP				DUAL		R-PDIP-T16					Not Qualified		32 mA
T74LS196B1	STMicroelectronics	DECADE COUNTER	COMMERCIAL	THROUGH-HOLE	14	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	2	30000000 Hz	TTL	3	YES		5	5	15 pF	IN-LINE	DIP14,.3	ASYNCHRONOUS	62 ns	8 Amp	Counters	2.54 mm	70 Cel	UP		NEGATIVE EDGE	TIN LEAD	DUAL	30 MHz	R-PDIP-T14		5.25 V	5.1 mm	7.62 mm	Not Qualified	4.75 V	20 mA	DIVIDE BY 2 AND DIVIDE BY 5 FUNCTIONS	e0				LS
T74LS168M1	STMicroelectronics	DECADE COUNTER	COMMERCIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1	25000000 Hz	TTL	4	YES		5	5	15 pF	SMALL OUTLINE	SOP16,.25	SYNCHRONOUS	20 ns	8 Amp	Counters	1.27 mm	70 Cel	BIDIRECTIONAL	3-STATE	POSITIVE EDGE	TIN LEAD	DUAL	25 MHz	R-PDSO-G16		5.25 V	1.75 mm	3.9 mm	Not Qualified	4.75 V	34 mA	TCO OUTPUT	e0			9.9 mm	LS
T74LS161AB1	STMicroelectronics	BINARY COUNTER	COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1	25000000 Hz	TTL	4	YES		5	5	15 pF	IN-LINE	DIP16,.3	SYNCHRONOUS	27 ns	8 Amp	Counters	2.54 mm	70 Cel	UP		POSITIVE EDGE		DUAL	25 MHz	R-PDIP-T16		5.25 V	5.1 mm	7.62 mm	Not Qualified	4.75 V	32 mA	TCO OUTPUT		NOT SPECIFIED	NOT SPECIFIED		LS
T74LS490B1	STMicroelectronics	DECADE COUNTER	COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	2		TTL	4	YES		5	5	15 pF	IN-LINE	DIP16,.3	ASYNCHRONOUS	54 ns		Counters	2.54 mm	70 Cel	UP		NEGATIVE EDGE	TIN LEAD	DUAL	25 MHz	R-PDIP-T16		5.25 V	5.1 mm	7.62 mm	Not Qualified	4.75 V	30 mA		e0				LS
T74LS90B1	STMicroelectronics	DECADE COUNTER	COMMERCIAL	THROUGH-HOLE	14	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	2		TTL	3	YES		5	5	15 pF	IN-LINE	DIP14,.3	ASYNCHRONOUS	50 ns		Counters	2.54 mm	70 Cel	UP		NEGATIVE EDGE	TIN LEAD	DUAL	32 MHz	R-PDIP-T14		5.25 V	5.1 mm	7.62 mm	Not Qualified	4.75 V	15 mA	DIVIDE BY 2 AND DIVIDE BY 5 FUNCTIONS	e0				LS
T74LS190B1	STMicroelectronics	DECADE COUNTER	COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1		TTL	4	YES		5	5	15 pF	IN-LINE	DIP16,.3	SYNCHRONOUS	36 ns		Counters	2.54 mm	70 Cel	BIDIRECTIONAL		POSITIVE EDGE	TIN LEAD	DUAL	20 MHz	R-PDIP-T16		5.25 V	5.1 mm	7.62 mm	Not Qualified	4.75 V	35 mA	TCO OUTPUT	e0				LS
T74LS169D1	STMicroelectronics	BINARY COUNTER	COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	1	25000000 Hz	TTL	4	YES		5	5	15 pF	IN-LINE	DIP16,.3	SYNCHRONOUS	20 ns	8 Amp	Counters	2.54 mm	70 Cel	BIDIRECTIONAL		POSITIVE EDGE		DUAL	25 MHz	R-GDIP-T16	1	5.25 V	5.08 mm	7.62 mm	Not Qualified	4.75 V	34 mA	TCO OUTPUT					LS
T74LS290D1	STMicroelectronics	DECADE COUNTER	COMMERCIAL	THROUGH-HOLE	14	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	2	32000000 Hz	TTL	3	YES		5	5	15 pF	IN-LINE	DIP14,.3	ASYNCHRONOUS	50 ns	8 Amp	Counters	2.54 mm	70 Cel	UP		NEGATIVE EDGE		DUAL	32 MHz	R-GDIP-T14	1	5.25 V	5.08 mm	7.62 mm	Not Qualified	4.75 V	15 mA	DIVIDE BY 2 AND DIVIDE BY 5 FUNCTIONS					LS
T74LS190C1	STMicroelectronics	DECADE COUNTER	COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1		TTL	4	YES		5		15 pF	CHIP CARRIER		SYNCHRONOUS	36 ns			1.27 mm	70 Cel	BIDIRECTIONAL		POSITIVE EDGE		QUAD	20 MHz	S-PQCC-J20		5.25 V	4.57 mm	8.9662 mm	Not Qualified	4.75 V	35 mA	TCO OUTPUT				8.9662 mm	LS
933784250602	NXP Semiconductors	BINARY COUNTER	COMMERCIAL	GULL WING	24	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1		TTL	8	YES		5			SMALL OUTLINE		SYNCHRONOUS	10.5 ns			1.27 mm	70 Cel	BIDIRECTIONAL		POSITIVE EDGE		DUAL	85 MHz	R-PDSO-G24		5.5 V	2.65 mm	7.5 mm	Not Qualified	4.5 V				NOT SPECIFIED	NOT SPECIFIED	15.4 mm	F/FAST
N74F191D-T	NXP Semiconductors	BINARY COUNTER	COMMERCIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1		TTL	4	YES		5		50 pF	SMALL OUTLINE		SYNCHRONOUS	12 ns			1.27 mm	70 Cel	BIDIRECTIONAL		POSITIVE EDGE	NICKEL PALLADIUM GOLD	DUAL	90 MHz	R-PDSO-G16		5.5 V	1.75 mm	3.9 mm	Not Qualified	4.5 V	55 mA	TCO OUTPUT	e4			9.9 mm	F/FAST
N74F192D-T	NXP Semiconductors	DECADE COUNTER	COMMERCIAL	GULL WING	16	LSOP	RECTANGULAR	PLASTIC/EPOXY	YES	1		TTL	4	YES		5		50 pF	SMALL OUTLINE, LOW PROFILE		SYNCHRONOUS	13 ns			1.27 mm	70 Cel	BIDIRECTIONAL		POSITIVE EDGE		DUAL	90 MHz	R-PDSO-G16		5.5 V	1.68 mm	3.9 mm	Not Qualified	4.5 V	50 mA	TCO UP AND TCO DOWN OUTPUTS; SEPARATE UP/DOWN CLOCK				9.9 mm	F/FAST
N74ALS161BD-T	NXP Semiconductors	BINARY COUNTER	COMMERCIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1		TTL	4	YES		5		50 pF	SMALL OUTLINE		SYNCHRONOUS	16 ns			1.27 mm	70 Cel	UP		POSITIVE EDGE		DUAL	100 MHz	R-PDSO-G16		5.5 V	1.75 mm	3.9 mm	Not Qualified	4.5 V	21 mA	TCO OUTPUT				9.9 mm	ALS
74F163AD	NXP Semiconductors	BINARY COUNTER	COMMERCIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1		TTL	4	YES		5		50 pF	SMALL OUTLINE		SYNCHRONOUS	11 ns			1.27 mm	70 Cel	UP		POSITIVE EDGE		DUAL	90 MHz	R-PDSO-G16		5.5 V	1.75 mm	3.9 mm	Not Qualified	4.5 V	65 mA	TCO OUTPUT				9.9 mm	F/FAST
N74F193N,602	NXP Semiconductors	BINARY COUNTER	COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1	90000000 Hz	TTL	4	YES		5	5	50 pF	IN-LINE	DIP16,.3	SYNCHRONOUS	13 ns	20 Amp	Counters	2.54 mm	70 Cel	BIDIRECTIONAL		POSITIVE EDGE	NICKEL PALLADIUM GOLD	DUAL	90 MHz	R-PDIP-T16		5.5 V	4.2 mm	7.62 mm	Not Qualified	4.5 V	50 mA	TCO UP AND TCO DOWN OUTPUTS; SEPARATE UP/DOWN CLOCK	e4			19.025 mm	F/FAST
933794730602	NXP Semiconductors	BINARY COUNTER	COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1		TTL	4	YES		5			IN-LINE		SYNCHRONOUS	11 ns			2.54 mm	70 Cel	UP		POSITIVE EDGE	NICKEL PALLADIUM GOLD	DUAL	90 MHz	R-PDIP-T16		5.5 V	4.2 mm	7.62 mm	Not Qualified	4.5 V			e4			19.025 mm	F/FAST
N74F393N,602	NXP Semiconductors	BINARY COUNTER	COMMERCIAL	THROUGH-HOLE	14	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	2	100000000 Hz	TTL	4	NO	TUBE	5	5	50 pF	IN-LINE	DIP14,.3	ASYNCHRONOUS	17.5 ns	20 Amp	Counters	2.54 mm	70 Cel	UP		NEGATIVE EDGE	NICKEL PALLADIUM GOLD	DUAL	100 MHz	R-PDIP-T14		5.5 V	4.2 mm	7.62 mm	Not Qualified	4.5 V	58 mA		e4			19.025 mm	F/FAST
N74ALS161BDB	NXP Semiconductors	BINARY COUNTER	COMMERCIAL	GULL WING	16	SSOP	RECTANGULAR	PLASTIC/EPOXY	YES	1		TTL	4	YES		5		50 pF	SMALL OUTLINE, SHRINK PITCH		SYNCHRONOUS	16 ns			.65 mm	70 Cel	UP		POSITIVE EDGE		DUAL	100 MHz	R-PDSO-G16		5.5 V	2 mm	5.3 mm	Not Qualified	4.5 V	21 mA	TCO OUTPUT				6.2 mm	ALS
N74F1779N	NXP Semiconductors	BINARY COUNTER	COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1		TTL	8	YES		5		50 pF	IN-LINE		SYNCHRONOUS	11 ns			2.54 mm	70 Cel	BIDIRECTIONAL	3-STATE	POSITIVE EDGE		DUAL	100 MHz	R-PDIP-T16		5.5 V	4.06 mm	7.62 mm	Not Qualified	4.5 V	145 mA	TCO OUTPUT; MULTIPLEXED I/O				19.09 mm	F/FAST
N74F163AD,623	NXP Semiconductors	BINARY COUNTER	COMMERCIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1		TTL	4	YES		5		50 pF	SMALL OUTLINE		SYNCHRONOUS	11 ns			1.27 mm	70 Cel	UP		POSITIVE EDGE	NICKEL PALLADIUM GOLD	DUAL	90 MHz	R-PDSO-G16		5.5 V	1.75 mm	3.9 mm	Not Qualified	4.5 V	65 mA	TCO OUTPUT	e4	NOT SPECIFIED	NOT SPECIFIED	9.9 mm	F/FAST
74F161AD	NXP Semiconductors	BINARY COUNTER	COMMERCIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1		TTL	4	YES		5		50 pF	SMALL OUTLINE		SYNCHRONOUS	11 ns			1.27 mm	70 Cel	UP		POSITIVE EDGE		DUAL	90 MHz	R-PDSO-G16		5.5 V	1.75 mm	3.9 mm	Not Qualified	4.5 V	65 mA	TCO OUTPUT				9.9 mm	F/FAST
N74F168N	NXP Semiconductors	DECADE COUNTER	COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1		TTL	4	YES		5		50 pF	IN-LINE		SYNCHRONOUS	13 ns			2.54 mm	70 Cel	BIDIRECTIONAL		POSITIVE EDGE		DUAL	90 MHz	R-PDIP-T16		5.5 V	4.06 mm	7.62 mm	Not Qualified	4.5 V	52 mA	TCO OUTPUT				19.09 mm	F/FAST

Digital Counters

Digital counters are electronic circuits that can be used to count and keep track of the number of events or occurrences in a digital system. They are commonly used in digital systems to generate timing signals, to control sequencing, and to implement digital control functions.

Digital counters can be designed using various technologies, including transistor-transistor logic (TTL), complementary metal-oxide-semiconductor (CMOS), and field-programmable gate arrays (FPGAs). They can also be designed using various types of flip-flops, such as D flip-flops, JK flip-flops, and T flip-flops.

Digital counters can be classified into two main types: synchronous counters and asynchronous counters. Synchronous counters use a common clock signal to synchronize the operation of all the flip-flops in the counter. Asynchronous counters, on the other hand, do not use a common clock signal and rely on the propagation delay of the flip-flops to sequence their operation.

Digital counters can also be classified based on their counting sequence. They can count up, down, or both up and down, depending on the application. Up counters increment the count each time an input pulse is received, while down counters decrement the count each time an input pulse is received. Up-down counters can count both up and down, depending on the direction of the input signal.

Digital counters can be used in various applications, including frequency division, time delay generation, event counting, and sequence control. They can be used to generate timing signals for clocking digital circuits, to control the sequencing of operations in a digital system, and to implement digital control functions, such as shift registers and sequence generators.