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
SN74F568D	Texas Instruments	DECADE COUNTER	COMMERCIAL	GULL WING	20	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1		TTL		YES		5	5		SMALL OUTLINE	SOP20,.4	SYNCHRONOUS			Counters	1.27 mm	70 Cel	BIDIRECTIONAL	3-STATE			DUAL		R-PDSO-G20					Not Qualified					NOT SPECIFIED	NOT SPECIFIED
SN74ALS163BNSR	Texas Instruments	BINARY COUNTER	COMMERCIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1	40000000 Hz	TTL	4		TR	5	5	50 pF	SMALL OUTLINE	SOP16,.3	SYNCHRONOUS	20 ns	8 Amp	Counters	1.27 mm	70 Cel	UP		POSITIVE EDGE	Nickel/Palladium/Gold (Ni/Pd/Au)	DUAL	40 MHz	R-PDSO-G16	1	5.5 V	2 mm	5.3 mm	Not Qualified	4.5 V	21 mA	TCO OUTPUT	e4	NOT SPECIFIED	260	10.2 mm	ALS
SN74S196J	Texas Instruments	DECADE COUNTER	COMMERCIAL	THROUGH-HOLE	14	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	2		TTL	3	YES		5		15 pF	IN-LINE	DIP14,.3	ASYNCHRONOUS	24 ns		Counters	2.54 mm	70 Cel	UP		NEGATIVE EDGE		DUAL	100 MHz	R-GDIP-T14		5.25 V	5.08 mm	7.62 mm	Not Qualified	4.75 V	120 mA	DIVIDE BY 2 AND DIVIDE BY 5 FUNCTIONS		NOT SPECIFIED	NOT SPECIFIED	19.56 mm	S
SN74ALS163NP1	Texas Instruments	BINARY COUNTER	COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1	30000000 Hz	TTL		YES		5	5		IN-LINE	DIP16,.3	SYNCHRONOUS			Counters	2.54 mm	70 Cel	UP				DUAL		R-PDIP-T16					Not Qualified
SN74LS161AFN3	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	UP				QUAD		S-PQCC-J20
SN74ALS869DWP3	Texas Instruments	BINARY COUNTER	COMMERCIAL	GULL WING	24	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1		TTL		YES					SMALL OUTLINE	SOP24,.4	SYNCHRONOUS		8 Amp	Counters	1.27 mm	70 Cel	BIDIRECTIONAL				DUAL		R-PDSO-G24
SN74S197N1	Texas Instruments	BINARY COUNTER	COMMERCIAL	THROUGH-HOLE	14	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1		TTL		YES					IN-LINE	DIP14,.3	ASYNCHRONOUS			Counters	2.54 mm	70 Cel	UP				DUAL		R-PDIP-T14					Not Qualified
SN74ALS163AN3	Texas Instruments	BINARY COUNTER	COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1	30000000 Hz	TTL		YES		5	5		IN-LINE	DIP16,.3	SYNCHRONOUS			Counters	2.54 mm	70 Cel	UP				DUAL		R-PDIP-T16
SN74ALS561JP4	Texas Instruments	BINARY COUNTER	COMMERCIAL	THROUGH-HOLE	20	DIP	RECTANGULAR	CERAMIC	NO	1		TTL		YES		5	5		IN-LINE	DIP20,.3	SYNCHRONOUS			Counters	2.54 mm	70 Cel	UP	3-STATE			DUAL		R-XDIP-T20
SN74LS190N3	Texas Instruments	DECADE COUNTER	COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1	20000000 Hz	TTL		YES		5	5		IN-LINE	DIP16,.3	SYNCHRONOUS		8 Amp	Counters	2.54 mm	70 Cel	BIDIRECTIONAL				DUAL		R-PDIP-T16							35 mA
SN74ALS169AN1	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
SN74ALS162BDP3	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
SN74LS193N8	Texas Instruments	BINARY COUNTER	COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1		TTL	4	YES		5		15 pF	IN-LINE		SYNCHRONOUS	47 ns			2.54 mm	70 Cel	BIDIRECTIONAL		POSITIVE EDGE	NICKEL PALLADIUM GOLD	DUAL	25 MHz	R-PDIP-T16		5.25 V	5.08 mm	7.62 mm	Not Qualified	4.75 V	34 mA	TCO UP AND TCO DOWN OUTPUTS; SEPARATE UP/DOWN CLOCK	e4	NOT SPECIFIED	NOT SPECIFIED	19.305 mm	LS
5962-01-248-9489	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					NOT SPECIFIED	NOT SPECIFIED
SN74LS192D3	Texas Instruments	DECADE COUNTER	COMMERCIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	2	25000000 Hz	TTL		YES		5	5		SMALL OUTLINE	SOP16,.25	SYNCHRONOUS		8 Amp	Counters	1.27 mm	70 Cel	BIDIRECTIONAL				DUAL		R-PDSO-G16							34 mA
SN74LS190FN	Texas Instruments	DECADE COUNTER	COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1		TTL	4	YES		5	5	15 pF	CHIP CARRIER	LDCC20,.4SQ	SYNCHRONOUS	36 ns		Counters	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		NOT SPECIFIED	NOT SPECIFIED	8.9662 mm	LS
SN74LS669DG4	Texas Instruments	BINARY COUNTER	COMMERCIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1		TTL	4	YES		5	5	15 pF	SMALL OUTLINE	SOP16,.25	SYNCHRONOUS	27 ns		Counters	1.27 mm	70 Cel	BIDIRECTIONAL		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	34 mA	TCO OUTPUT	e4	30	260	9.9 mm	LS
SN74LS93NP3	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
SN74LS699J4	Texas Instruments	BINARY 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
SN74LS197DR	Texas Instruments	BINARY COUNTER	COMMERCIAL	GULL WING	14	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1		TTL	4	YES		5		15 pF	SMALL OUTLINE		ASYNCHRONOUS	95 ns			1.27 mm	70 Cel	UP		NEGATIVE EDGE		DUAL	30 MHz	R-PDSO-G14		5.25 V	1.75 mm	3.9 mm	Not Qualified	4.75 V	27 mA	DIVIDE BY 2 AND DIVIDE BY 8 FUNCTIONS				8.65 mm	LS
SN74LS693N3	Texas Instruments	BINARY COUNTER	COMMERCIAL	THROUGH-HOLE	20	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1		TTL		YES					IN-LINE	DIP20,.3	SYNCHRONOUS			Counters	2.54 mm	70 Cel	UP	3-STATE			DUAL		R-PDIP-T20										NOT SPECIFIED	NOT SPECIFIED
SN74S197D	Texas Instruments	BINARY COUNTER	COMMERCIAL	GULL WING	14	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	2		TTL	3	YES		5		15 pF	SMALL OUTLINE	SOP14,.25	ASYNCHRONOUS	33 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 8 FUNCTIONS		NOT SPECIFIED	NOT SPECIFIED	8.65 mm	S
SN74ALS569ADWP3	Texas Instruments	BINARY COUNTER	COMMERCIAL	GULL WING	20	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1		TTL		YES		5	5		SMALL OUTLINE	SOP20,.4	SYNCHRONOUS			Counters	1.27 mm	70 Cel	BIDIRECTIONAL	3-STATE			DUAL		R-PDSO-G20										NOT SPECIFIED	NOT SPECIFIED
SN74AS160FN-00	Texas Instruments	DECADE COUNTER	COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1		TTL	4	YES		5		50 pF	CHIP CARRIER		SYNCHRONOUS	6 ns			1.27 mm	70 Cel	UP		POSITIVE EDGE		QUAD		S-PQCC-J20		5.5 V	4.57 mm	8.9662 mm	Not Qualified	4.5 V		TCO OUTPUT				8.9662 mm	AS
SN74AS162NP3	Texas Instruments	DECADE COUNTER	COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1		TTL		YES					IN-LINE	DIP16,.3	SYNCHRONOUS			Counters	2.54 mm	70 Cel	UP				DUAL		R-PDIP-T16
SN74AS162JP4	Texas Instruments	DECADE COUNTER	COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC	NO	1		TTL		YES					IN-LINE	DIP16,.3	SYNCHRONOUS			Counters	2.54 mm	70 Cel	UP				DUAL		R-XDIP-T16
SN74LS68JP4	Texas Instruments	DECADE COUNTER	COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC	NO	2		TTL		NO					IN-LINE	DIP16,.3	ASYNCHRONOUS			Counters	2.54 mm	70 Cel	UP				DUAL		R-XDIP-T16										NOT SPECIFIED	NOT SPECIFIED
SN74ALS163N3	Texas Instruments	BINARY COUNTER	COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1	30000000 Hz	TTL		YES		5	5		IN-LINE	DIP16,.3	SYNCHRONOUS			Counters	2.54 mm	70 Cel	UP				DUAL		R-PDIP-T16
SN74LS191D3	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
SN74ALS193FN-00	Texas Instruments	BINARY COUNTER	COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1		TTL	4	YES		5		50 pF	CHIP CARRIER		SYNCHRONOUS	17 ns			1.27 mm	70 Cel	BIDIRECTIONAL		POSITIVE EDGE		QUAD	30 MHz	S-PQCC-J20		5.5 V	4.57 mm	8.9662 mm	Not Qualified	4.5 V	22 mA	TCO UP AND TCO DOWN OUTPUTS; SEPARATE UP/DOWN CLOCK				8.9662 mm	ALS
SN74LS92N-00	Texas Instruments	DIVIDE BY 12 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	15 mA	DIVIDE BY 2 AND DIVIDE BY 6 FUNCTIONS				19.305 mm	LS
SN74F163ANSR	Texas Instruments	BINARY COUNTER	COMMERCIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1	90000000 Hz	TTL	4	YES	TR	5	5		SMALL OUTLINE	SOP16,.3	SYNCHRONOUS	11 ns	20 Amp	Counters	1.27 mm	70 Cel	UP		POSITIVE EDGE	NICKEL PALLADIUM GOLD	DUAL	90 MHz	R-PDSO-G16	1	5.5 V	2 mm	5.3 mm	Not Qualified	4.5 V	55 mA	TCO OUTPUT	e4	30	260	10.2 mm	F/FAST
SN74ALS162AJ	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					Not Qualified
SN74L90N	Texas Instruments	DECADE COUNTER	COMMERCIAL	THROUGH-HOLE	14	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1	3000000 Hz	TTL		NO					IN-LINE	DIP14,.3	ASYNCHRONOUS		3.6 Amp	Counters	2.54 mm	70 Cel	UP				DUAL		R-PDIP-T14					Not Qualified		7.2 mA
SN74ALS168BNP3	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
SN74LS163AJ-00	Texas Instruments	BINARY COUNTER	COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	1		TTL	4	YES		5		15 pF	IN-LINE		SYNCHRONOUS	27 ns			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					19.56 mm	LS
SN74ALS568AN-10	Texas Instruments	DECADE COUNTER	COMMERCIAL	THROUGH-HOLE	20	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1		TTL	4	YES		5		50 pF	IN-LINE		SYNCHRONOUS	16 ns			2.54 mm	70 Cel	BIDIRECTIONAL	3-STATE	POSITIVE EDGE		DUAL	20 MHz	R-PDIP-T20		5.5 V	5.08 mm	7.62 mm	Not Qualified	4.5 V	32 mA	TCO OUTPUT; CLOCKED CARRY OUTPUT				24.325 mm	ALS
SN74F169DE4	Texas Instruments	BINARY COUNTER	COMMERCIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1	90000000 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	NICKEL PALLADIUM GOLD	DUAL	90 MHz	R-PDSO-G16	1	5.5 V	1.75 mm	3.9 mm	Not Qualified	4.5 V	52 mA	TCO OUTPUT	e4	30	260	9.9 mm	F/FAST
SN74F568D3	Texas Instruments	DECADE COUNTER	COMMERCIAL	GULL WING	20	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1		TTL		YES		5	5		SMALL OUTLINE	SOP20,.4	SYNCHRONOUS			Counters	1.27 mm	70 Cel	BIDIRECTIONAL	3-STATE			DUAL		R-PDSO-G20										NOT SPECIFIED	NOT SPECIFIED
SN74S168FN	Texas Instruments	DECADE COUNTER	COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1		TTL	4	YES		5	5	15 pF	CHIP CARRIER	LDCC20,.4SQ	SYNCHRONOUS	15 ns		Counters	1.27 mm	70 Cel	BIDIRECTIONAL		POSITIVE EDGE		QUAD	40 MHz	S-PQCC-J20		5.25 V	4.57 mm	8.9662 mm	Not Qualified	4.75 V	160 mA	TCO OUTPUT		NOT SPECIFIED	NOT SPECIFIED	8.9662 mm	S
SN74LS192J4	Texas Instruments	DECADE COUNTER	COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC	NO	2		TTL		YES		5	5		IN-LINE	DIP16,.3	SYNCHRONOUS			Counters	2.54 mm	70 Cel	BIDIRECTIONAL				DUAL		R-XDIP-T16
SN74LS490NP3	Texas Instruments	DECADE COUNTER	COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	2		TTL		NO		5	5		IN-LINE	DIP16,.3	ASYNCHRONOUS			Counters	2.54 mm	70 Cel	UP				DUAL		R-PDIP-T16										NOT SPECIFIED	NOT SPECIFIED
SN74S168N	Texas Instruments	DECADE COUNTER	COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1	40000000 Hz	TTL	4	YES		5	5	15 pF	IN-LINE	DIP16,.3	SYNCHRONOUS	15 ns	20 Amp	Counters	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	TCO OUTPUT		NOT SPECIFIED	NOT SPECIFIED	19.305 mm	S
SN7493AN-00	Texas Instruments	BINARY COUNTER	COMMERCIAL	THROUGH-HOLE	14	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	2		TTL	3	YES		5		15 pF	IN-LINE		ASYNCHRONOUS	51 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	39 mA	DIVIDE BY 2 AND DIVIDE BY 8 FUNCTIONS				19.305 mm	TTL/H/L
SN74LS169AN1	Texas Instruments	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	BIDIRECTIONAL				DUAL		R-PDIP-T16					Not Qualified					NOT SPECIFIED	NOT SPECIFIED
SN74193N1	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
SN74AS169ADRG4	Texas Instruments	BINARY COUNTER	COMMERCIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1	75000000 Hz	TTL	4	YES	TR	5	5		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			NOT SPECIFIED	NOT SPECIFIED	9.9 mm	AS
SN74AS161J4	Texas Instruments	BINARY COUNTER	COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC	NO	1	75000000 Hz	TTL		YES		5	5		IN-LINE	DIP16,.3	SYNCHRONOUS		20 Amp	Counters	2.54 mm	70 Cel	UP				DUAL		R-XDIP-T16							53 mA

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.