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
SN74ALS867ADWRG4	Texas Instruments	BINARY COUNTER	COMMERCIAL	GULL WING	24	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1	35000000 Hz	TTL	8	YES	TR	5		50 pF	SMALL OUTLINE	SOP24,.4	SYNCHRONOUS	16 ns	8 Amp	Counters	1.27 mm	70 Cel	BIDIRECTIONAL		POSITIVE EDGE		DUAL	35 MHz	R-PDSO-G24		5.5 V	2.65 mm	7.5 mm	Not Qualified	4.5 V	45 mA	TCO OUTPUT		NOT SPECIFIED	NOT SPECIFIED	15.4 mm	ALS
SN74LS593N	Texas Instruments	BINARY COUNTER	COMMERCIAL	THROUGH-HOLE	20	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1	20000000 Hz	TTL	8		TUBE	5		45 pF	IN-LINE	DIP20,.3	ASYNCHRONOUS	39 ns	24 Amp	Counters	2.54 mm	70 Cel	UP	3-STATE	POSITIVE EDGE	Nickel/Palladium/Gold (Ni/Pd/Au)	DUAL	20 MHz	R-PDIP-T20		5.25 V	5.08 mm	7.62 mm	Not Qualified	4.75 V	80 mA	TCO OUTPUT; REGISTERED INPUTS; MULTIPLEXED I/O	e4	NOT SPECIFIED	NOT SPECIFIED	25.4 mm	LS
SN74ALS569N	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
SN74AS161NP3	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
SN74F193AD	Texas Instruments	BINARY COUNTER	COMMERCIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1		TTL	4	YES		5	5	50 pF	SMALL OUTLINE	SOP16,.25	SYNCHRONOUS	13 ns		Counters	1.27 mm	70 Cel	BIDIRECTIONAL		POSITIVE EDGE		DUAL	85 MHz	R-PDSO-G16		5.5 V	1.75 mm	3.9 mm	Not Qualified	4.5 V	54 mA	TCO UP AND TCO DOWN OUTPUTS; SEPARATE UP/DOWN CLOCK		NOT SPECIFIED	NOT SPECIFIED	9.9 mm	F/FAST
SN74LS696FN	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
SN74ALS191ANE4	Texas Instruments	BINARY COUNTER	COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1	30000000 Hz	TTL	4		TUBE	5	5	50 pF	IN-LINE	DIP16,.3	SYNCHRONOUS	18 ns	8 Amp	Counters	2.54 mm	70 Cel	BIDIRECTIONAL		POSITIVE EDGE	Nickel/Palladium/Gold (Ni/Pd/Au)	DUAL	30 MHz	R-PDIP-T16		5.5 V	5.08 mm	7.62 mm	Not Qualified	4.5 V	22 mA	TCO OUTPUT	e4	NOT SPECIFIED	NOT SPECIFIED	19.305 mm	ALS
SN74LS68J4	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
SN74LS162J	Texas Instruments	DECADE COUNTER	COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC	NO	1	25000000 Hz	TTL		YES		5	5		IN-LINE	DIP16,.3	SYNCHRONOUS		8 Amp	Counters	2.54 mm	70 Cel	UP				DUAL		R-XDIP-T16					Not Qualified		32 mA
SN74LS160AN1	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					Not Qualified
SN74LS92N-10	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
SN74ALS161JP4	Texas Instruments	BINARY 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
SN74LS690DW	Texas Instruments	DECADE COUNTER	COMMERCIAL	GULL WING	20	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1		TTL	4	YES		5		45 pF	SMALL OUTLINE	SOP20,.4	SYNCHRONOUS	25 ns		Counters	1.27 mm	70 Cel	UP	3-STATE	POSITIVE EDGE		DUAL		R-PDSO-G20		5.25 V	2.65 mm	7.5 mm	Not Qualified	4.75 V	70 mA	REGISTER/COUNTER OUTPUT SELECT; TCO OUTPUT; REGISTERED OUTPUTS		NOT SPECIFIED	NOT SPECIFIED	12.8 mm	LS
SN74161N-10	Texas Instruments	BINARY 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
SN74LS669D3	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										NOT SPECIFIED	NOT SPECIFIED
SN74LS390FN3	Texas Instruments		COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY	YES	2		TTL		NO		5	5		CHIP CARRIER	LDCC20,.4SQ	ASYNCHRONOUS			Counters	1.27 mm	70 Cel	UP				QUAD		S-PQCC-J20
SN74LS92N1	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
SN74LS393JP4	Texas Instruments	BINARY COUNTER	COMMERCIAL	THROUGH-HOLE	14	DIP	RECTANGULAR	CERAMIC	NO	2		TTL		NO		5	5		IN-LINE	DIP14,.3	ASYNCHRONOUS			Counters	2.54 mm	70 Cel	BIDIRECTIONAL				DUAL		R-XDIP-T14
SN74162J-00	Texas Instruments	DECADE COUNTER	COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	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-GDIP-T16		5.25 V	5.08 mm	7.62 mm	Not Qualified	4.75 V	101 mA					19.56 mm	TTL/H/L
SN74167JP4	Texas Instruments		COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC	NO			TTL		NO		5	5		IN-LINE	DIP16,.3				Counters	2.54 mm	70 Cel					DUAL		R-XDIP-T16
SN74AS169ADR	Texas Instruments	BINARY COUNTER	COMMERCIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1	75000000 Hz	TTL	4	YES	TR	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
SN74L193N-00	Texas Instruments	BINARY 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
SN74L93N	Texas Instruments	BINARY COUNTER	COMMERCIAL	THROUGH-HOLE	14	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1	3000000 Hz	TTL		NO		5	5		IN-LINE	DIP14,.3	ASYNCHRONOUS		3.6 Amp	Counters	2.54 mm	70 Cel	UP				DUAL		R-PDIP-T14					Not Qualified		6.6 mA
SN74ALS569ANP3	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 SPECIFIED	NOT SPECIFIED
SN74F161ADBR	Texas Instruments	BINARY COUNTER	COMMERCIAL	GULL WING	16	SSOP	RECTANGULAR	PLASTIC/EPOXY	YES	1	90000000 Hz	TTL	4	YES	TR	5	5		SMALL OUTLINE, SHRINK PITCH	SSOP16,.25	SYNCHRONOUS	11 ns	20 Amp	Counters	.65 mm	70 Cel	UP		POSITIVE EDGE		DUAL	90 MHz	R-PDSO-G16		5.5 V	2 mm	5.3 mm	Not Qualified	4.5 V	55 mA	TCO OUTPUT		NOT SPECIFIED	NOT SPECIFIED	6.2 mm	F/FAST
SN74F161AN3	Texas Instruments	BINARY COUNTER	COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1	90000000 Hz	TTL	4	YES		5	5		IN-LINE	DIP16,.3	SYNCHRONOUS	11 ns	20 Amp	Counters	2.54 mm	70 Cel	UP		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
SN74HC4022J	Texas Instruments	DIVIDE BY 8 COUNTER	COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC	NO	1	25000000 Hz	CMOS		NO		5	5	50 pF	IN-LINE	DIP16,.3	SYNCHRONOUS			Counters	2.54 mm	70 Cel	UP				DUAL		R-XDIP-T16					Not Qualified					NOT SPECIFIED	NOT SPECIFIED
SN74LS196D3	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
SN74ALS161AN3	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
SN74ALS568ANP3	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
SN74S196N1	Texas Instruments	DECADE COUNTER	COMMERCIAL	THROUGH-HOLE	14	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1		TTL		NO					IN-LINE	DIP14,.3	ASYNCHRONOUS			Counters	2.54 mm	70 Cel	UP				DUAL		R-PDIP-T14					Not Qualified
SN74ALS869DWG4	Texas Instruments	BINARY COUNTER	COMMERCIAL	GULL WING	24	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1		TTL	8	YES	TUBE	5		50 pF	SMALL OUTLINE	SOP24,.4	SYNCHRONOUS	16 ns	8 Amp	Counters	1.27 mm	70 Cel	BIDIRECTIONAL		POSITIVE EDGE	NICKEL PALLADIUM GOLD	DUAL	35 MHz	R-PDSO-G24	1	5.5 V	2.65 mm	7.5 mm	Not Qualified	4.5 V	45 mA	TCO OUTPUT; COUNT ENABLE INPUTS	e4	30	260	15.4 mm	ALS
SN74AS869NT	Texas Instruments	BINARY COUNTER	COMMERCIAL	THROUGH-HOLE	24	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1	45000000 Hz	TTL	8	YES	TUBE	5	5	50 pF	IN-LINE	DIP24,.3	SYNCHRONOUS	15 ns	20 Amp	Counters	2.54 mm	70 Cel	BIDIRECTIONAL		POSITIVE EDGE	NICKEL PALLADIUM GOLD	DUAL	45 MHz	R-PDIP-T24		5.5 V	5.08 mm	7.62 mm	Not Qualified	4.5 V	195 mA	TCO OUTPUT; COUNT ENABLE INPUTS	e4			31.64 mm	AS
SN74490J4	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
SN74AS161N3	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
SN7493AJP4	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
SN74LS490FN3	Texas Instruments	DECADE COUNTER	COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY	YES	2		TTL		NO		5	5		CHIP CARRIER	LDCC20,.4SQ	ASYNCHRONOUS			Counters	1.27 mm	70 Cel	UP				QUAD		S-PQCC-J20										NOT SPECIFIED	NOT SPECIFIED
SN74LS290FN3	Texas Instruments	DECADE COUNTER	COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1		TTL		NO		5	5		CHIP CARRIER	LDCC20,.4SQ	ASYNCHRONOUS			Counters	1.27 mm	70 Cel	UP				QUAD		S-PQCC-J20
SN74LS190J-00	Texas Instruments	DECADE COUNTER	COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	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-GDIP-T16		5.25 V	5.08 mm	7.62 mm	Not Qualified	4.75 V	35 mA					19.56 mm	LS
SN74293N-10	Texas Instruments	BINARY COUNTER	COMMERCIAL	THROUGH-HOLE	14	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	2		TTL	3	YES		5		15 pF	IN-LINE		ASYNCHRONOUS	70 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
SN74390JP4	Texas Instruments		COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC	NO	1		TTL		NO					IN-LINE	DIP16,.3	ASYNCHRONOUS			Counters	2.54 mm	70 Cel	UP				DUAL		R-XDIP-T16
SN74161N	Texas Instruments	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	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
SN74ALS190FN3	Texas Instruments	DECADE 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
SN74LS690NP3	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	UP	3-STATE			DUAL		R-PDIP-T20										NOT SPECIFIED	NOT SPECIFIED
SN74ALS169BNP1	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
SN7493AJ4	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
SN74LS691DW3	Texas Instruments	BINARY COUNTER	COMMERCIAL	GULL WING	20	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1		TTL		YES					SMALL OUTLINE	SOP20,.4	SYNCHRONOUS			Counters	1.27 mm	70 Cel	UP	3-STATE			DUAL		R-PDSO-G20										NOT SPECIFIED	NOT SPECIFIED
SN74AS163DRE4	Texas Instruments	BINARY COUNTER	COMMERCIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1	75000000 Hz	TTL	4	YES	TR	5	5	50 pF	SMALL OUTLINE	SOP16,.25	SYNCHRONOUS	13 ns	20 Amp	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

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.