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
SN74196N	Texas Instruments	DECADE COUNTER	COMMERCIAL	THROUGH-HOLE	14	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1		TTL	4	YES		5	5	15 pF	IN-LINE	DIP14,.3	ASYNCHRONOUS	42 ns		Counters	2.54 mm	70 Cel	UP		NEGATIVE EDGE		DUAL	50 MHz	R-PDIP-T14		5.25 V	5.08 mm	7.62 mm	Not Qualified	4.75 V	59 mA	DIVIDE BY 2 AND DIVIDE BY 5 FUNCTIONS		NOT SPECIFIED	NOT SPECIFIED	19.305 mm	TTL/H/L
SN74191N1	Texas Instruments	BINARY COUNTER	COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1		TTL		YES		5	5		IN-LINE	DIP16,.3	SYNCHRONOUS			Counters	2.54 mm	70 Cel	BIDIRECTIONAL				DUAL		R-PDIP-T16					Not Qualified
SN74F168N-10	Texas Instruments	DECADE COUNTER	COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1		TTL	4	YES		5			IN-LINE		SYNCHRONOUS	13 ns			2.54 mm	70 Cel	BIDIRECTIONAL		POSITIVE EDGE		DUAL	115 MHz	R-PDIP-T16			5.08 mm	7.62 mm	Not Qualified			TCO OUTPUT				19.305 mm	F/FAST
SN74393N1	Texas Instruments	BINARY COUNTER	COMMERCIAL	THROUGH-HOLE	14	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	2		TTL		NO					IN-LINE	DIP14,.3	ASYNCHRONOUS			Counters	2.54 mm	70 Cel	BIDIRECTIONAL				DUAL		R-PDIP-T14					Not Qualified
SN74LS490JP4	Texas Instruments	DECADE COUNTER	COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC	NO	2		TTL		NO		5	5		IN-LINE	DIP16,.3	ASYNCHRONOUS			Counters	2.54 mm	70 Cel	UP				DUAL		R-XDIP-T16										NOT SPECIFIED	NOT SPECIFIED
SN74AS162N	Texas Instruments	DECADE COUNTER	COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1		TTL	4	YES		5		50 pF	IN-LINE	DIP16,.3	SYNCHRONOUS	13 ns		Counters	2.54 mm	70 Cel	UP		POSITIVE EDGE		DUAL	75 MHz	R-PDIP-T16		5.5 V	5.08 mm	7.62 mm	Not Qualified	4.5 V	53 mA	TCO OUTPUT		NOT SPECIFIED	NOT SPECIFIED	19.305 mm	AS
SN74160NP3	Texas Instruments	DECADE COUNTER	COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1		TTL		YES		5	5		IN-LINE	DIP16,.3	SYNCHRONOUS			Counters	2.54 mm	70 Cel	UP				DUAL		R-PDIP-T16
SN74176N	Texas Instruments	DECADE COUNTER	COMMERCIAL	THROUGH-HOLE	14	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	2		TTL	3	YES		5	5	15 pF	IN-LINE	DIP14,.3	ASYNCHRONOUS	51 ns		Counters	2.54 mm	70 Cel	UP		NEGATIVE EDGE		DUAL	35 MHz	R-PDIP-T14		5.25 V	5.08 mm	7.62 mm	Not Qualified	4.75 V	48 mA	DIVIDE BY 2 AND DIVIDE BY 5 FUNCTIONS		NOT SPECIFIED	NOT SPECIFIED	19.305 mm	TTL/H/L
SN74AS867NT1	Texas Instruments	BINARY COUNTER	COMMERCIAL	THROUGH-HOLE	24	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1		TTL		YES					IN-LINE	DIP24,.3	SYNCHRONOUS			Counters	2.54 mm	70 Cel	BIDIRECTIONAL				DUAL		R-PDIP-T24					Not Qualified
SN74ALS192DR	Texas Instruments	DECADE COUNTER	COMMERCIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1		TTL	4	YES		5		50 pF	SMALL OUTLINE		SYNCHRONOUS	17 ns			1.27 mm	70 Cel	BIDIRECTIONAL		POSITIVE EDGE		DUAL	25 MHz	R-PDSO-G16		5.5 V	1.75 mm	3.9 mm	Not Qualified	4.5 V	22 mA	TCO UP AND TCO DOWN OUTPUTS; SEPARATE UP/DOWN CLOCK				9.9 mm	ALS
SN74LS161ANP1	Texas Instruments	BINARY COUNTER	COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1		TTL		YES		5	5		IN-LINE	DIP16,.3	SYNCHRONOUS			Counters	2.54 mm	70 Cel	UP				DUAL		R-PDIP-T16					Not Qualified
SN74ALS161BNP3	Texas Instruments	BINARY COUNTER	COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1	40000000 Hz	TTL		YES		5	5		IN-LINE	DIP16,.3	SYNCHRONOUS			Counters	2.54 mm	70 Cel	UP				DUAL		R-PDIP-T16
SN7497J	Texas Instruments	BINARY COUNTER	COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	1		TTL	6	YES		5	5	15 pF	IN-LINE	DIP16,.3	SYNCHRONOUS	30 ns		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	120 mA	BINARY RATE MULTIPLIER; ENABLE INPUT AND OUTPUTS; COMPLEMENTARY OUTPUTS		NOT SPECIFIED	NOT SPECIFIED	19.56 mm	TTL/H/L
SN74176N-10	Texas Instruments	DECADE COUNTER	COMMERCIAL	THROUGH-HOLE	14	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	2		TTL	3	YES		5		15 pF	IN-LINE		ASYNCHRONOUS	68 ns			2.54 mm	70 Cel	UP		NEGATIVE EDGE		DUAL	35 MHz	R-PDIP-T14		5.25 V	5.08 mm	7.62 mm	Not Qualified	4.75 V	48 mA	DIVIDE BY 2 AND DIVIDE BY 5 FUNCTIONS				19.305 mm	TTL/H/L
SN74ALS569AN1	Texas Instruments	BINARY COUNTER	COMMERCIAL	THROUGH-HOLE	20	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1		TTL		YES		5	5		IN-LINE	DIP20,.3	SYNCHRONOUS			Counters	2.54 mm	70 Cel	BIDIRECTIONAL	3-STATE			DUAL		R-PDIP-T20					Not Qualified					NOT SPECIFIED	NOT SPECIFIED
SN74190NP1	Texas Instruments	DECADE COUNTER	COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1	20000000 Hz	TTL		YES		5	5	15 pF	IN-LINE	DIP16,.3	SYNCHRONOUS		16 Amp	Counters	2.54 mm	70 Cel	BIDIRECTIONAL				DUAL		R-PDIP-T16					Not Qualified		105 mA
SN7490AJ-00	Texas Instruments	DECADE COUNTER	COMMERCIAL	THROUGH-HOLE	14	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	2		TTL	3	YES		5		15 pF	IN-LINE		ASYNCHRONOUS	35 ns			2.54 mm	70 Cel	UP		NEGATIVE EDGE		DUAL	32 MHz	R-GDIP-T14		5.25 V	5.08 mm	7.62 mm	Not Qualified	4.75 V	42 mA	DIVIDE BY 2 AND DIVIDE BY 5 FUNCTIONS				19.56 mm	TTL/H/L
SN74197J-00	Texas Instruments	BINARY COUNTER	COMMERCIAL	THROUGH-HOLE	14	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	2		TTL	3	YES		5		15 pF	IN-LINE		ASYNCHRONOUS	78 ns			2.54 mm	70 Cel	UP		NEGATIVE EDGE		DUAL	50 MHz	R-GDIP-T14		5.25 V	5.08 mm	7.62 mm	Not Qualified	4.75 V	59 mA	DIVIDE BY 2 AND DIVIDE BY 8 FUNCTIONS				19.56 mm	TTL/H/L
SN74AS161NSR	Texas Instruments	BINARY COUNTER	COMMERCIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1	75000000 Hz	TTL	4		TR	5	5		SMALL OUTLINE	SOP16,.3	SYNCHRONOUS	13 ns	20 Amp	Counters	1.27 mm	70 Cel	UP		POSITIVE EDGE	Nickel/Palladium/Gold (Ni/Pd/Au)	DUAL	75 MHz	R-PDSO-G16	1	5.5 V	2 mm	5.3 mm	Not Qualified	4.5 V	53 mA	TCO OUTPUT	e4	NOT SPECIFIED	260	10.2 mm	AS
SN74LS590DR	Texas Instruments	BINARY COUNTER	COMMERCIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1	20000000 Hz	TTL	8	NO	TR	5	5	45 pF	SMALL OUTLINE	SOP16,.25	ASYNCHRONOUS	33 ns	24 Amp	Counters	1.27 mm	70 Cel	UP	3-STATE	POSITIVE EDGE		DUAL	35 MHz	R-PDSO-G16		5.25 V	1.75 mm	3.9 mm	Not Qualified	4.75 V	65 mA	TCO OUTPUT; REGISTERED OUTPUTS		NOT SPECIFIED	NOT SPECIFIED	9.9 mm	LS
SN74162N-10	Texas Instruments	DECADE COUNTER	COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1		TTL	4	YES		5		15 pF	IN-LINE		SYNCHRONOUS	29 ns			2.54 mm	70 Cel	UP		POSITIVE EDGE		DUAL	25 MHz	R-PDIP-T16		5.25 V	5.08 mm	7.62 mm	Not Qualified	4.75 V	101 mA					19.305 mm	TTL/H/L
SN74LS698J4	Texas Instruments	DECADE COUNTER	COMMERCIAL	THROUGH-HOLE	20	DIP	RECTANGULAR	CERAMIC	NO	1		TTL		YES					IN-LINE	DIP20,.3	SYNCHRONOUS			Counters	2.54 mm	70 Cel	BIDIRECTIONAL	3-STATE			DUAL		R-XDIP-T20										NOT SPECIFIED	NOT SPECIFIED
SN74LS697DWG4	Texas Instruments	BINARY COUNTER	COMMERCIAL	GULL WING	20	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1		TTL	4	YES		5		45 pF	SMALL OUTLINE	SOP20,.4	SYNCHRONOUS	40 ns		Counters	1.27 mm	70 Cel	BIDIRECTIONAL	3-STATE	POSITIVE EDGE	NICKEL PALLADIUM GOLD	DUAL	20 MHz	R-PDSO-G20	1	5.25 V	2.65 mm	7.5 mm	Not Qualified	4.75 V	70 mA	REGISTER/COUNTER OUTPUT SELECT; TCO OUTPUT; REGISTERED OUTPUTS	e4	30	260	12.8 mm	LS
SN74ALS568NP3	Texas Instruments	DECADE COUNTER	COMMERCIAL	THROUGH-HOLE	20	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1		TTL		YES		5	5		IN-LINE	DIP20,.3	SYNCHRONOUS			Counters	2.54 mm	70 Cel	BIDIRECTIONAL	3-STATE			DUAL		R-PDIP-T20										NOT SPECIFIED	NOT SPECIFIED
SN74192NP1	Texas Instruments	DECADE COUNTER	COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	2		TTL		YES		5	5		IN-LINE	DIP16,.3	SYNCHRONOUS			Counters	2.54 mm	70 Cel	BIDIRECTIONAL				DUAL		R-PDIP-T16					Not Qualified
SN74ALS560ADWR	Texas Instruments	DECADE COUNTER	COMMERCIAL	GULL WING	20	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1		TTL	4	YES		5		50 pF	SMALL OUTLINE		SYNCHRONOUS	18 ns			1.27 mm	70 Cel	UP	3-STATE	POSITIVE EDGE		DUAL	20 MHz	R-PDSO-G20		5.5 V	2.65 mm	7.5 mm	Not Qualified	4.5 V	33 mA	TCO OUTPUT; COUNT ENABLE INPUTS				12.8 mm	ALS
SN74177N1	Texas Instruments	BINARY COUNTER	COMMERCIAL	THROUGH-HOLE	14	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1		TTL		YES		5	5		IN-LINE	DIP14,.3	ASYNCHRONOUS			Counters	2.54 mm	70 Cel	UP				DUAL		R-PDIP-T14					Not Qualified
SN74197N1	Texas Instruments	BINARY COUNTER	COMMERCIAL	THROUGH-HOLE	14	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1		TTL		YES		5	5		IN-LINE	DIP14,.3	ASYNCHRONOUS			Counters	2.54 mm	70 Cel	UP				DUAL		R-PDIP-T14					Not Qualified
SN74L192N-10	Texas Instruments	DECADE COUNTER	COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1		TTL	4	YES		5		50 pF	IN-LINE		SYNCHRONOUS	240 ns			2.54 mm	70 Cel	BIDIRECTIONAL		POSITIVE EDGE		DUAL	3 MHz	R-PDIP-T16		5.25 V	5.08 mm	7.62 mm	Not Qualified	4.75 V	15 mA					19.305 mm	TTL/H/L
SN74191NP1	Texas Instruments	BINARY COUNTER	COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1		TTL		YES		5	5		IN-LINE	DIP16,.3	SYNCHRONOUS			Counters	2.54 mm	70 Cel	BIDIRECTIONAL				DUAL		R-PDIP-T16					Not Qualified
SN74ALS160BDP3	Texas Instruments	DECADE COUNTER	COMMERCIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1	40000000 Hz	TTL		YES		5	5		SMALL OUTLINE	SOP16,.25	SYNCHRONOUS			Counters	1.27 mm	70 Cel	UP				DUAL		R-PDSO-G16
SN74LS163ADRE4	Texas Instruments	BINARY COUNTER	COMMERCIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1	25000000 Hz	TTL	4	YES	TR	5	5	15 pF	SMALL OUTLINE	SOP16,.25	SYNCHRONOUS	27 ns	8 Amp	Counters	1.27 mm	70 Cel	UP		POSITIVE EDGE	NICKEL PALLADIUM GOLD	DUAL	25 MHz	R-PDSO-G16	1	5.25 V	1.75 mm	3.9 mm	Not Qualified	4.75 V	32 mA	TCO OUTPUT	e4	30	260	9.9 mm	LS
SN74AS168D3	Texas Instruments	DECADE COUNTER	COMMERCIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1		TTL		YES					SMALL OUTLINE	SOP16,.25	SYNCHRONOUS			Counters	1.27 mm	70 Cel	BIDIRECTIONAL				DUAL		R-PDSO-G16
SN74S169N-00	Texas Instruments	BINARY COUNTER	COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1		TTL	4	YES		5		15 pF	IN-LINE		SYNCHRONOUS	15 ns			2.54 mm	70 Cel	BIDIRECTIONAL		POSITIVE EDGE		DUAL	40 MHz	R-PDIP-T16		5.25 V	5.08 mm	7.62 mm	Not Qualified	4.75 V	160 mA					19.305 mm	S
SN74490N-00	Texas Instruments	DECADE COUNTER	COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	2		TTL	4	YES		5		15 pF	IN-LINE		ASYNCHRONOUS	54 ns			2.54 mm	70 Cel	UP		NEGATIVE EDGE		DUAL	25 MHz	R-PDIP-T16		5.25 V	5.08 mm	7.62 mm	Not Qualified	4.75 V	70 mA					19.305 mm	TTL/H/L
SN74LS668J4	Texas Instruments	DECADE COUNTER	COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC	NO	1		TTL		YES		5	5		IN-LINE	DIP16,.3	SYNCHRONOUS			Counters	2.54 mm	70 Cel	BIDIRECTIONAL				DUAL		R-XDIP-T16										NOT SPECIFIED	NOT SPECIFIED
SN74HC4022FN	Texas Instruments	DIVIDE BY 8 COUNTER	COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1	25000000 Hz	CMOS		NO		5	5	50 pF	CHIP CARRIER	LDCC20,.4SQ	SYNCHRONOUS			Counters	1.27 mm	70 Cel	UP				QUAD		S-PQCC-J20					Not Qualified					NOT SPECIFIED	NOT SPECIFIED
SN74LS163AJ4	Texas Instruments	BINARY COUNTER	COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC	NO	1		TTL		YES		5	5		IN-LINE	DIP16,.3	SYNCHRONOUS			Counters	2.54 mm	70 Cel	UP				DUAL		R-XDIP-T16
SN74S168NP3	Texas Instruments	DECADE COUNTER	COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1		TTL		YES		5	5		IN-LINE	DIP16,.3	SYNCHRONOUS			Counters	2.54 mm	70 Cel	BIDIRECTIONAL				DUAL		R-PDIP-T16										NOT SPECIFIED	NOT SPECIFIED
SN74F568DWR	Texas Instruments	DECADE COUNTER	COMMERCIAL	GULL WING	20	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1		TTL	4	YES		5		50 pF	SMALL OUTLINE		SYNCHRONOUS	13 ns			1.27 mm	70 Cel	BIDIRECTIONAL	3-STATE	POSITIVE EDGE		DUAL	90 MHz	R-PDSO-G20		5.5 V	2.65 mm	7.5 mm	Not Qualified	4.5 V	67 mA	TCO OUTPUT; CLOCKED CARRY OUTPUT				12.8 mm	F/FAST
SN74LS698FN	Texas Instruments	DECADE COUNTER	COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1		TTL	4	YES		5		45 pF	CHIP CARRIER	LDCC20,.4SQ	SYNCHRONOUS	25 ns		Counters	1.27 mm	70 Cel	BIDIRECTIONAL	3-STATE	POSITIVE EDGE		QUAD		S-PQCC-J20		5.25 V	4.57 mm	8.9662 mm	Not Qualified	4.75 V	70 mA	REGISTER/COUNTER OUTPUT SELECT; TCO OUTPUT; REGISTERED OUTPUTS		NOT SPECIFIED	NOT SPECIFIED	8.9662 mm	LS
SN74ALS169ANP3	Texas Instruments	BINARY COUNTER	COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1		TTL		YES		5	5		IN-LINE	DIP16,.3	SYNCHRONOUS			Counters	2.54 mm	70 Cel	BIDIRECTIONAL				DUAL		R-PDIP-T16
SN74LS668N3	Texas Instruments	DECADE COUNTER	COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1		TTL	4	YES		5	5	15 pF	IN-LINE	DIP16,.3	SYNCHRONOUS	27 ns		Counters	2.54 mm	70 Cel	BIDIRECTIONAL		POSITIVE EDGE		DUAL	25 MHz	R-PDIP-T16		5.25 V	5.08 mm	7.62 mm	Not Qualified	4.75 V	34 mA			NOT SPECIFIED	NOT SPECIFIED	19.305 mm	LS
SN74ALS569NP1	Texas Instruments	BINARY COUNTER	COMMERCIAL	THROUGH-HOLE	20	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1		TTL		YES		5	5		IN-LINE	DIP20,.3	SYNCHRONOUS			Counters	2.54 mm	70 Cel	BIDIRECTIONAL	3-STATE			DUAL		R-PDIP-T20					Not Qualified					NOT SPECIFIED	NOT SPECIFIED
SN74ALS569ADW	Texas Instruments	BINARY COUNTER	COMMERCIAL	GULL WING	20	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1		TTL	4	YES	TUBE	5	5	50 pF	SMALL OUTLINE	SOP20,.4	SYNCHRONOUS	16 ns	24 Amp	Counters	1.27 mm	70 Cel	BIDIRECTIONAL	3-STATE	POSITIVE EDGE		DUAL	30 MHz	R-PDSO-G20		5.5 V	2.65 mm	7.5 mm	Not Qualified	4.5 V	32 mA	TCO OUTPUT; CLOCKED CARRY OUTPUT		NOT SPECIFIED	NOT SPECIFIED	12.8 mm	ALS
SN74L193J-00	Texas Instruments	BINARY COUNTER	COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	1		TTL	4	YES		5		50 pF	IN-LINE		SYNCHRONOUS	240 ns			2.54 mm	70 Cel	BIDIRECTIONAL		POSITIVE EDGE		DUAL	3 MHz	R-GDIP-T16		5.25 V	5.08 mm	7.62 mm	Not Qualified	4.75 V	15 mA					19.56 mm	TTL/H/L
SN74ALS169AFN3	Texas Instruments	BINARY COUNTER	COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1		TTL		YES		5	5		CHIP CARRIER	LDCC20,.4SQ	SYNCHRONOUS			Counters	1.27 mm	70 Cel	BIDIRECTIONAL				QUAD		S-PQCC-J20
SN74LS290FN	Texas Instruments	DECADE COUNTER	COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY	YES	2		TTL	3	YES		5	5		CHIP CARRIER	LDCC20,.4SQ	ASYNCHRONOUS	35 ns		Counters	1.27 mm	70 Cel	UP		NEGATIVE EDGE		QUAD	16 MHz	S-PQCC-J20		5.25 V	4.57 mm	8.9662 mm	Not Qualified	4.75 V	15 mA	DIVIDE BY 2 AND DIVIDE BY 5 FUNCTIONS		NOT SPECIFIED	NOT SPECIFIED	8.9662 mm	LS

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.