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
SN74LS68N	Texas Instruments	DECADE COUNTER	COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	3		TTL	4	NO		5		30 pF	IN-LINE	DIP16,.3	ASYNCHRONOUS	40 ns		Counters	2.54 mm	70 Cel	UP		NEGATIVE EDGE		DUAL	20 MHz	R-PDIP-T16		5.25 V	5.08 mm	7.62 mm	Not Qualified	4.75 V	54 mA	DIVIDE BY 2, DIVIDE BY 5 AND DIVIDE BY 10 FUNCTIONS		NOT SPECIFIED	NOT SPECIFIED	19.305 mm	LS
SN74ALS569AN	Texas Instruments	BINARY COUNTER	COMMERCIAL	THROUGH-HOLE	20	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1		TTL	4		TUBE	5	5	50 pF	IN-LINE	DIP20,.3	SYNCHRONOUS	16 ns	24 Amp	Counters	2.54 mm	70 Cel	BIDIRECTIONAL	3-STATE	POSITIVE EDGE	Nickel/Palladium/Gold (Ni/Pd/Au)	DUAL	30 MHz	R-PDIP-T20	1	5.5 V	5.08 mm	7.62 mm	Not Qualified	4.5 V	32 mA	TCO OUTPUT; CLOCKED CARRY OUTPUT	e4	NOT SPECIFIED	260	24.325 mm	ALS
SN74ALS192NP1	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
SN74F190AN	Texas Instruments	DECADE 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	12 ns	20 Amp	Counters	2.54 mm	70 Cel	BIDIRECTIONAL		POSITIVE EDGE		DUAL	90 MHz	R-PDIP-T16		5.5 V	5.08 mm	7.62 mm	Not Qualified	4.5 V	55 mA	TCO OUTPUT		NOT SPECIFIED	NOT SPECIFIED	19.305 mm	F/FAST
SN74LS92N	Texas Instruments	DIVIDE BY 12 COUNTER	COMMERCIAL	THROUGH-HOLE	14	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	2	16000000 Hz	TTL	3		TUBE	5	5	15 pF	IN-LINE	DIP14,.3	ASYNCHRONOUS	50 ns	8 Amp	Counters	2.54 mm	70 Cel	UP		NEGATIVE EDGE	Nickel/Palladium/Gold (Ni/Pd/Au)	DUAL	32 MHz	R-PDIP-T14		5.25 V	5.08 mm	7.62 mm	Not Qualified	4.75 V	15 mA	ONE FUNCTION HAS 1 BIT	e4	NOT SPECIFIED	NOT SPECIFIED	19.305 mm	LS
SN74LS698N1	Texas Instruments	DECADE COUNTER	COMMERCIAL	THROUGH-HOLE	20	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1		TTL		YES					IN-LINE	DIP20,.3	SYNCHRONOUS			Counters	2.54 mm	70 Cel	BIDIRECTIONAL	3-STATE			DUAL		R-PDIP-T20					Not Qualified					NOT SPECIFIED	NOT SPECIFIED
SN74ALS169BJ	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	BIDIRECTIONAL				DUAL		R-XDIP-T16					Not Qualified
SN74ALS561NP3	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	UP	3-STATE			DUAL		R-PDIP-T20
SN74LS92NE4	Texas Instruments	DIVIDE BY 12 COUNTER	COMMERCIAL	THROUGH-HOLE	14	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	2	16000000 Hz	TTL	3	YES	TUBE	5	5		IN-LINE	DIP14,.3	ASYNCHRONOUS	50 ns	8 Amp	Counters	2.54 mm	70 Cel	UP		NEGATIVE EDGE	NICKEL PALLADIUM GOLD	DUAL	32 MHz	R-PDIP-T14		5.25 V	5.08 mm	7.62 mm	Not Qualified	4.75 V	15 mA	ONE FUNCTION HAS 1 BIT	e4			19.305 mm	LS
SN74ALS160AJ4	Texas Instruments	DECADE COUNTER	COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC	NO	1	30000000 Hz	TTL		YES		5	5		IN-LINE	DIP16,.3	SYNCHRONOUS			Counters	2.54 mm	70 Cel	UP				DUAL		R-XDIP-T16
SN74LS92NP1	Texas Instruments	DIVIDE BY 12 COUNTER	COMMERCIAL	THROUGH-HOLE	14	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1		TTL		NO		5	5		IN-LINE	DIP14,.3	ASYNCHRONOUS			Counters	2.54 mm	70 Cel	UP				DUAL		R-PDIP-T14					Not Qualified
SN74ALS867NTP3	Texas Instruments	BINARY COUNTER	COMMERCIAL	THROUGH-HOLE	24	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1	45000000 Hz	TTL		YES					IN-LINE	DIP24,.3	SYNCHRONOUS		8 Amp	Counters	2.54 mm	70 Cel	BIDIRECTIONAL				DUAL		R-PDIP-T24
SN74190JP4	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
5962-01-078-6556	Texas Instruments	DECADE COUNTER	COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC	NO	2		TTL		YES					IN-LINE	DIP16,.3	ASYNCHRONOUS		16 Amp	Counters	2.54 mm	70 Cel	UP				DUAL		R-XDIP-T16					Not Qualified		70 mA			NOT SPECIFIED	NOT SPECIFIED
SN74LS193D3	Texas Instruments	BINARY COUNTER	COMMERCIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1		TTL		YES		5	5		SMALL OUTLINE	SOP16,.25	SYNCHRONOUS			Counters	1.27 mm	70 Cel	BIDIRECTIONAL				DUAL		R-PDSO-G16
SN74AS162FN	Texas Instruments	DECADE COUNTER	COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1		TTL		YES					CHIP CARRIER	LDCC20,.4SQ	SYNCHRONOUS			Counters	1.27 mm	70 Cel	UP				QUAD		S-PQCC-J20					Not Qualified
SN74LS290D3	Texas Instruments	DECADE COUNTER	COMMERCIAL	GULL WING	14	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1		TTL		NO		5	5		SMALL OUTLINE	SOP14,.25	ASYNCHRONOUS			Counters	1.27 mm	70 Cel	UP				DUAL		R-PDSO-G14
SN74AS163N3	Texas Instruments	BINARY COUNTER	COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1	75000000 Hz	TTL		YES		5	5		IN-LINE	DIP16,.3	SYNCHRONOUS		20 Amp	Counters	2.54 mm	70 Cel	UP				DUAL		R-PDIP-T16							53 mA
SN7497N-00	Texas Instruments	BINARY COUNTER	COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1		TTL	6	YES		5		15 pF	IN-LINE		SYNCHRONOUS	30 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	120 mA	BINARY RATE MULTIPLIER				19.305 mm	TTL/H/L
SN74LS196NP1	Texas Instruments	DECADE COUNTER	COMMERCIAL	THROUGH-HOLE	14	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1		TTL		NO		5	5		IN-LINE	DIP14,.3	ASYNCHRONOUS			Counters	2.54 mm	70 Cel	UP				DUAL		R-PDIP-T14					Not Qualified
SN74S196D	Texas Instruments	DECADE COUNTER	COMMERCIAL	GULL WING	14	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	2		TTL	3	YES		5		15 pF	SMALL OUTLINE	SOP14,.25	ASYNCHRONOUS	24 ns		Counters	1.27 mm	70 Cel	UP		NEGATIVE EDGE		DUAL	100 MHz	R-PDSO-G14		5.25 V	1.75 mm	3.9 mm	Not Qualified	4.75 V	120 mA	DIVIDE BY 2 AND DIVIDE BY 5 FUNCTIONS		NOT SPECIFIED	NOT SPECIFIED	8.65 mm	S
SN74LS168ANP3	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	3-STATE			DUAL		R-PDIP-T16										NOT SPECIFIED	NOT SPECIFIED
SN74167N1	Texas Instruments		COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY	NO			TTL		NO		5	5		IN-LINE	DIP16,.3				Counters	2.54 mm	70 Cel					DUAL		R-PDIP-T16					Not Qualified
SN74ALS867ANTE4	Texas Instruments	BINARY COUNTER	COMMERCIAL	THROUGH-HOLE	24	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1	35000000 Hz	TTL	8	YES	TUBE	5		50 pF	IN-LINE	DIP24,.3	SYNCHRONOUS	16 ns	8 Amp	Counters	2.54 mm	70 Cel	BIDIRECTIONAL		POSITIVE EDGE	NICKEL PALLADIUM GOLD	DUAL	35 MHz	R-PDIP-T24		5.5 V	5.08 mm	7.62 mm	Not Qualified	4.5 V	45 mA	TCO OUTPUT	e4			31.64 mm	ALS
SN74LS293N	Texas Instruments	BINARY COUNTER	COMMERCIAL	THROUGH-HOLE	14	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	2	32000000 Hz	TTL	3	NO	TUBE	5	5	15 pF	IN-LINE	DIP14,.3	ASYNCHRONOUS	51 ns	16 Amp	Counters	2.54 mm	70 Cel	UP		NEGATIVE EDGE	NICKEL PALLADIUM GOLD	DUAL	16 MHz	R-PDIP-T14	1	5.25 V	5.08 mm	6.35 mm	Not Qualified	4.75 V	39 mA	DIVIDE BY 2 AND DIVIDE BY 8 FUNCTIONS	e4			19.3 mm	LS
SN74AS162FN3	Texas Instruments	DECADE COUNTER	COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1		TTL		YES					CHIP CARRIER	LDCC20,.4SQ	SYNCHRONOUS			Counters	1.27 mm	70 Cel	UP				QUAD		S-PQCC-J20
SN74LS669DR	Texas Instruments	BINARY COUNTER	COMMERCIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1		TTL	4	YES		5		15 pF	SMALL OUTLINE		SYNCHRONOUS	27 ns			1.27 mm	70 Cel	BIDIRECTIONAL		POSITIVE EDGE		DUAL	25 MHz	R-PDSO-G16		5.25 V	1.75 mm	3.9 mm	Not Qualified	4.75 V	34 mA	TCO OUTPUT				9.9 mm	LS
SN74LS697DW	Texas Instruments	BINARY COUNTER	COMMERCIAL	GULL WING	20	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1		TTL	4	YES	TUBE	5		45 pF	SMALL OUTLINE	SOP20,.4	SYNCHRONOUS	40 ns	24 Amp	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
SN74LS293J4	Texas Instruments	BINARY COUNTER	COMMERCIAL	THROUGH-HOLE	14	DIP	RECTANGULAR	CERAMIC	NO	1		TTL		NO		5	5		IN-LINE	DIP14,.3	ASYNCHRONOUS			Counters	2.54 mm	70 Cel	UP				DUAL		R-XDIP-T14
DM74LS168AN	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	3-STATE		Tin/Lead (Sn/Pb)	DUAL		R-PDIP-T16					Not Qualified				e0
SN74ALS192D3	Texas Instruments	DECADE COUNTER	COMMERCIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	2		TTL		YES		5	5		SMALL OUTLINE	SOP16,.25	SYNCHRONOUS			Counters	1.27 mm	70 Cel	BIDIRECTIONAL				DUAL		R-PDSO-G16
SN74190N-00	Texas Instruments	DECADE COUNTER	COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1		TTL	4	YES		5		15 pF	IN-LINE		SYNCHRONOUS	36 ns			2.54 mm	70 Cel	BIDIRECTIONAL		POSITIVE EDGE		DUAL	20 MHz	R-PDIP-T16		5.25 V	5.08 mm	7.62 mm	Not Qualified	4.75 V	105 mA					19.305 mm	TTL/H/L
SN74LS196FN	Texas Instruments	DECADE COUNTER	COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY	YES	2		TTL	3	YES		5	5	15 pF	CHIP CARRIER	LDCC20,.4SQ	ASYNCHRONOUS	62 ns		Counters	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	27 mA	DIVIDE BY 2 AND DIVIDE BY 5 FUNCTIONS		NOT SPECIFIED	NOT SPECIFIED	8.9662 mm	LS
SN74LS92D	Texas Instruments	DIVIDE BY 12 COUNTER	COMMERCIAL	GULL WING	14	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	2	16000000 Hz	TTL	3		TUBE	5	5	15 pF	SMALL OUTLINE	SOP14,.25	ASYNCHRONOUS	50 ns	8 Amp	Counters	1.27 mm	70 Cel	UP		NEGATIVE EDGE	Nickel/Palladium/Gold (Ni/Pd/Au)	DUAL	32 MHz	R-PDSO-G14	1	5.25 V	1.75 mm	3.9 mm	Not Qualified	4.75 V	15 mA	ONE FUNCTION HAS 1 BIT	e4	NOT SPECIFIED	260	8.65 mm	LS
SN74LS293N1	Texas Instruments	BINARY COUNTER	COMMERCIAL	THROUGH-HOLE	14	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1		TTL		NO		5	5		IN-LINE	DIP14,.3	ASYNCHRONOUS			Counters	2.54 mm	70 Cel	UP				DUAL		R-PDIP-T14					Not Qualified
SN7490AN-10	Texas Instruments	DECADE COUNTER	COMMERCIAL	THROUGH-HOLE	14	DIP	RECTANGULAR	PLASTIC/EPOXY	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-PDIP-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				19.305 mm	TTL/H/L
SN74AS161FN	Texas Instruments	BINARY COUNTER	COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1	75000000 Hz	TTL		YES		5	5		CHIP CARRIER	LDCC20,.4SQ	SYNCHRONOUS		20 Amp	Counters	1.27 mm	70 Cel	UP				QUAD		S-PQCC-J20					Not Qualified		53 mA
SN74LS669FN3	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										NOT SPECIFIED	NOT SPECIFIED
SN74LS390J	Texas Instruments	DECADE COUNTER	COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	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		DUAL	25 MHz	R-GDIP-T16		5.25 V	5.08 mm	7.62 mm	Not Qualified	4.75 V	26 mA	DIVIDE BY 2 AND DIVIDE BY 5 FUNCTIONS		NOT SPECIFIED	NOT SPECIFIED	19.56 mm	LS
SN74AS160D	Texas Instruments	DECADE COUNTER	COMMERCIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1		TTL	4	YES		5		50 pF	SMALL OUTLINE	SOP16,.25	SYNCHRONOUS	13 ns		Counters	1.27 mm	70 Cel	UP		POSITIVE EDGE		DUAL	75 MHz	R-PDSO-G16		5.5 V	1.75 mm	3.9 mm	Not Qualified	4.5 V	53 mA	TCO OUTPUT		NOT SPECIFIED	NOT SPECIFIED	9.9 mm	AS
SN74LS169BN1	Texas Instruments	BINARY COUNTER	COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1	20000000 Hz	TTL		YES		5	5		IN-LINE	DIP16,.3	SYNCHRONOUS		24 Amp	Counters	2.54 mm	70 Cel	BIDIRECTIONAL				DUAL		R-PDIP-T16					Not Qualified					NOT SPECIFIED	NOT SPECIFIED
SN74LS162AD3	Texas Instruments	DECADE COUNTER	COMMERCIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1		TTL		YES		5	5		SMALL OUTLINE	SOP16,.25	SYNCHRONOUS			Counters	1.27 mm	70 Cel	UP				DUAL		R-PDSO-G16
SN74F160AD3	Texas Instruments	DECADE COUNTER	COMMERCIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1	90000000 Hz	TTL		YES		5	5		SMALL OUTLINE	SOP16,.25	SYNCHRONOUS		20 Amp	Counters	1.27 mm	70 Cel	UP				DUAL		R-PDSO-G16							55 mA
SN74160N	Texas Instruments	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	29 ns	16 Amp	Counters	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	TCO OUTPUT		NOT SPECIFIED	NOT SPECIFIED	19.305 mm	TTL/H/L
SN74AS169ADE4	Texas Instruments	BINARY COUNTER	COMMERCIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1	75000000 Hz	TTL	4	YES	TUBE	5	5	50 pF	SMALL OUTLINE	SOP16,.25	SYNCHRONOUS	13 ns	20 Amp	Counters	1.27 mm	70 Cel	BIDIRECTIONAL		POSITIVE EDGE		DUAL	75 MHz	R-PDSO-G16		5.5 V	1.75 mm	3.9 mm	Not Qualified	4.5 V	63 mA	TCO OUTPUT		NOT SPECIFIED	NOT SPECIFIED	9.9 mm	AS
SN74ALS568N1	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 Qualified					NOT SPECIFIED	NOT SPECIFIED
SN74160N-00	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
SN74LS669NP3	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 SPECIFIED	NOT SPECIFIED

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.