RECTANGULAR Digital Counters 2,400+

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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	Screening Level	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	Minimum Operating Temperature	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
SN74ALS869NT3	Texas Instruments	BINARY COUNTER	COMMERCIAL	THROUGH-HOLE	24	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1		TTL			YES					IN-LINE	DIP24,.6	SYNCHRONOUS		8 Amp	Counters	2.54 mm	70 Cel	BIDIRECTIONAL			0 Cel		DUAL		R-PDIP-T24
CD74HCT4020M	Texas Instruments	BINARY COUNTER	MILITARY	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1	16000000 Hz	CMOS		14		TUBE	5	5	50 pF	SMALL OUTLINE	SOP16,.25	ASYNCHRONOUS	60 ns	4 Amp	Counter	1.27 mm	125 Cel	UP		NEGATIVE EDGE	-55 Cel	Nickel/Palladium/Gold (Ni/Pd/Au)	DUAL	16 MHz	R-PDSO-G16	1	5.5 V	1.75 mm	3.9 mm	Not Qualified	4.5 V	.08 mA	OUTPUT FROM 12 STAGES AVAILABLE	e4	NOT SPECIFIED	260	9.9 mm	HCT
SN74F163ADE4	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	11 ns	20 Amp	Counter	1.27 mm	70 Cel	UP		POSITIVE EDGE	0 Cel	NICKEL PALLADIUM GOLD	DUAL	90 MHz	R-PDSO-G16	1	5.5 V	1.75 mm	3.9 mm	Not Qualified	4.5 V	55 mA	TCO OUTPUT	e4	30	260	9.9 mm	F/FAST
SN74LS92J4	Texas Instruments	DIVIDE BY 12 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			0 Cel		DUAL		R-XDIP-T14
SN54ALS569J	Texas Instruments	BINARY COUNTER	MILITARY	THROUGH-HOLE	20	DIP	RECTANGULAR	CERAMIC	NO	1		TTL			YES		5	5		IN-LINE	DIP20,.3	SYNCHRONOUS			Counters	2.54 mm	125 Cel	BIDIRECTIONAL	3-STATE		-55 Cel		DUAL		R-XDIP-T20					Not Qualified					NOT SPECIFIED	NOT SPECIFIED
SN74LS161AN3	Texas Instruments	BINARY COUNTER	COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1		TTL		4	YES		5	5		IN-LINE	DIP16,.3	SYNCHRONOUS	35 ns		Counters	2.54 mm	70 Cel	UP		POSITIVE EDGE	0 Cel		DUAL	25 MHz	R-PDIP-T16		5.25 V	5.08 mm	7.62 mm	Not Qualified	4.75 V				NOT SPECIFIED	NOT SPECIFIED	19.305 mm	LS
5962-01-078-0610	Texas Instruments	BINARY COUNTER	MILITARY	FLAT	16	DFP	RECTANGULAR	CERAMIC	YES	1	25000000 Hz	TTL			YES		5	5		FLATPACK	FL16,.3	SYNCHRONOUS		4 Amp	Counters	1.27 mm	125 Cel	BIDIRECTIONAL			-55 Cel		DUAL		R-XDFP-F16					Not Qualified					NOT SPECIFIED	NOT SPECIFIED
SN74LS191NP3	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			0 Cel		DUAL		R-PDIP-T16
5962-7600801VFA	Texas Instruments	BINARY COUNTER	MILITARY	FLAT	16	DFP	RECTANGULAR	CERAMIC, GLASS-SEALED	YES	1		TTL	MIL-STD-883	4	YES		5			FLATPACK		SYNCHRONOUS	48 ns		Counter	1.27 mm	125 Cel	UP		POSITIVE EDGE	-55 Cel		DUAL	25 MHz	R-GDFP-F16		5.5 V	2.03 mm	6.73 mm	Not Qualified	4.5 V						10.2 mm	LS
SN7492AJP4	Texas Instruments	DIVIDE BY 12 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			0 Cel		DUAL		R-XDIP-T14
SN74LV4040ADRE4	Texas Instruments	BINARY COUNTER	INDUSTRIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1	50000000 Hz	CMOS		12	NO	TR	2.5	3.3	50 pF	SMALL OUTLINE	SOP16,.25	ASYNCHRONOUS	28 ns	6 Amp	Counters	1.27 mm	85 Cel	UP	3-STATE	NEGATIVE EDGE	-40 Cel	NICKEL PALLADIUM GOLD	DUAL	125 MHz	R-PDSO-G16	1	5.5 V	1.75 mm	3.9 mm	Not Qualified	2 V			e4	30	260	9.9 mm	LV/LV-A/LVX/H
SN54ALS169J	Texas Instruments	BINARY COUNTER	MILITARY	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC	NO	1		TTL			YES		5	5		IN-LINE	DIP16,.3	SYNCHRONOUS			Counters	2.54 mm	125 Cel	BIDIRECTIONAL			-55 Cel		DUAL		R-XDIP-T16					Not Qualified
CD74HC163M	Texas Instruments	BINARY COUNTER	MILITARY	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1	20000000 Hz	CMOS		4		TUBE	4.5	2/6	50 pF	SMALL OUTLINE	SOP16,.25	SYNCHRONOUS	280 ns	5.2 Amp	Counter	1.27 mm	125 Cel	UP		POSITIVE EDGE	-55 Cel	NICKEL PALLADIUM GOLD	DUAL	24 MHz	R-PDSO-G16	1	6 V	1.75 mm	3.9 mm	Not Qualified	2 V	.08 mA	TCO OUTPUT	e4	30	260	9.9 mm	HC
SN54191J-00	Texas Instruments	BINARY COUNTER	MILITARY	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	1		TTL		4	YES		5		15 pF	IN-LINE		SYNCHRONOUS	36 ns			2.54 mm	125 Cel	BIDIRECTIONAL		POSITIVE EDGE	-55 Cel		DUAL	20 MHz	R-GDIP-T16		5.5 V	5.08 mm	7.62 mm	Not Qualified	4.5 V	99 mA					19.56 mm	TTL/H/L
SN74LS169BNE4	Texas Instruments	BINARY COUNTER	COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1	20000000 Hz	TTL		4		TUBE	5	5	45 pF	IN-LINE	DIP16,.3	SYNCHRONOUS	25 ns	24 Amp	Counters	2.54 mm	70 Cel	BIDIRECTIONAL		POSITIVE EDGE	0 Cel	Nickel/Palladium/Gold (Ni/Pd/Au)	DUAL	20 MHz	R-PDIP-T16		5.25 V	5.08 mm	7.62 mm	Not Qualified	4.75 V	45 mA	TCO OUTPUT	e4	NOT SPECIFIED	NOT SPECIFIED	19.305 mm	LS
SN74160NP1	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			0 Cel		DUAL		R-PDIP-T16					Not Qualified
SN74ALS561AN	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	18 ns	24 Amp	Counters	2.54 mm	70 Cel	UP	3-STATE	POSITIVE EDGE	0 Cel	NICKEL PALLADIUM GOLD	DUAL	30 MHz	R-PDIP-T20		5.5 V	5.08 mm	7.62 mm	Not Qualified	4.5 V	33 mA	TCO OUTPUT; COUNT ENABLE INPUTS	e4			24.325 mm	ALS
CD4022BH	Texas Instruments	RING COUNTER	MILITARY	NO LEAD	16	DIE	RECTANGULAR	UNSPECIFIED	YES	1		CMOS		10	YES		5			UNCASED CHIP		SYNCHRONOUS	650 ns				125 Cel	UP		POSITIVE EDGE	-55 Cel		UPPER	5.5 MHz	R-XUUC-N16		18 V			Not Qualified	3 V		JOHNSON COUNTER WITH 8 DECODED OUTPUTS					4000/14000/40000
SN74HC4060N1	Texas Instruments	BINARY COUNTER	INDUSTRIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1		CMOS			NO			2/6		IN-LINE	DIP16,.3	ASYNCHRONOUS			Counters	2.54 mm	85 Cel	UP			-40 Cel		DUAL		R-PDIP-T16					Not Qualified
SN54L90T-10	Texas Instruments	DECADE COUNTER	MILITARY	FLAT	14	DFP	RECTANGULAR	METAL	YES	2		TTL		3	YES		5			FLATPACK		ASYNCHRONOUS				1.27 mm	125 Cel	UP		NEGATIVE EDGE	-55 Cel		DUAL	3 MHz	R-MDFP-F14		5.5 V	1.27 mm	3.685 mm	Not Qualified	4.5 V	7.2 mA	DIVIDE BY 2 AND DIVIDE BY 5 FUNCTIONS				6.48 mm	TTL/H/L
SN74HC193NP3	Texas Instruments	BINARY COUNTER	INDUSTRIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1		CMOS			YES			2/6		IN-LINE	DIP16,.3	SYNCHRONOUS			Counters	2.54 mm	85 Cel	BIDIRECTIONAL			-40 Cel		DUAL		R-PDIP-T16
SN74LS590DG4	Texas Instruments	BINARY COUNTER	COMMERCIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1	20000000 Hz	TTL		8	NO	TUBE	5	5	45 pF	SMALL OUTLINE	SOP16,.25	ASYNCHRONOUS	33 ns	24 Amp	Counters	1.27 mm	70 Cel	UP	3-STATE	POSITIVE EDGE	0 Cel	NICKEL PALLADIUM GOLD	DUAL	35 MHz	R-PDSO-G16	1	5.25 V	1.75 mm	3.9 mm	Not Qualified	4.75 V	65 mA	TCO OUTPUT; REGISTERED OUTPUTS	e4	30	260	9.9 mm	LS
SN74LS193NP1	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			0 Cel		DUAL		R-PDIP-T16					Not Qualified
SN74LS490N	Texas Instruments	DECADE COUNTER	COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY	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	0 Cel		DUAL	25 MHz	R-PDIP-T16		5.25 V	5.08 mm	7.62 mm	Not Qualified	4.75 V	26 mA			NOT SPECIFIED	NOT SPECIFIED	19.305 mm	LS
SN74144J-00	Texas Instruments	DISPLAY DRIVER COUNTER	COMMERCIAL	THROUGH-HOLE	24	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	1		TTL		4	YES		5		15 pF	IN-LINE		SYNCHRONOUS	60 ns			2.54 mm	70 Cel	UP	OPEN-COLLECTOR	POSITIVE EDGE	0 Cel		DUAL	12 MHz	R-GDIP-T24		5.25 V	5.715 mm	15.24 mm	Not Qualified	4.75 V	93 mA					32.05 mm	TTL/H/L
SN74HC193DR-00	Texas Instruments	BINARY COUNTER	INDUSTRIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1		CMOS		4	YES		5		50 pF	SMALL OUTLINE		SYNCHRONOUS	63 ns			1.27 mm	85 Cel	BIDIRECTIONAL		POSITIVE EDGE	-40 Cel		DUAL	17 MHz	R-PDSO-G16		6 V	1.75 mm	3.9 mm	Not Qualified	2 V		TCO UP AND TCO DOWN OUTPUTS; SEPARATE UP/DOWN CLOCK				9.9 mm	HC/UH
SN74ALS560AN1	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	UP	3-STATE		0 Cel		DUAL		R-PDIP-T20					Not Qualified
SN74AS162N1	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			0 Cel		DUAL		R-PDIP-T16					Not Qualified
SN74LS192J-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	47 ns			2.54 mm	70 Cel	BIDIRECTIONAL		POSITIVE EDGE	0 Cel		DUAL	25 MHz	R-GDIP-T16		5.25 V	5.08 mm	7.62 mm	Not Qualified	4.75 V	34 mA					19.56 mm	LS
SN54S168W-10	Texas Instruments	DECADE COUNTER	MILITARY	FLAT	16	DFP	RECTANGULAR	CERAMIC, GLASS-SEALED	YES	1		TTL		4	YES		5		15 pF	FLATPACK		SYNCHRONOUS	15 ns			1.27 mm	125 Cel	BIDIRECTIONAL		POSITIVE EDGE	-55 Cel		DUAL	40 MHz	R-GDFP-F16		5.5 V	2.03 mm	6.73 mm	Not Qualified	4.5 V	160 mA					10.2 mm	S
SN74HC393NP3	Texas Instruments	BINARY COUNTER	INDUSTRIAL	THROUGH-HOLE	14	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	2		CMOS			NO			2/6		IN-LINE	DIP14,.3	ASYNCHRONOUS			Counters	2.54 mm	85 Cel	UP			-40 Cel		DUAL		R-PDIP-T14
SN54LS92W	Texas Instruments	DIVIDE BY 12 COUNTER	MILITARY	FLAT	14	DFP	RECTANGULAR	CERAMIC, METAL-SEALED COFIRED	YES	2	16000000 Hz	TTL		3	NO		5	5	15 pF	FLATPACK	FL14,.3	ASYNCHRONOUS	35 ns	4 Amp	Counters	1.27 mm	125 Cel	UP		NEGATIVE EDGE	-55 Cel		DUAL	16 MHz	R-CDFP-F14		5.5 V	2.03 mm	6.29 mm	Not Qualified	4.5 V	15 mA	DIVIDE BY 2 AND DIVIDE BY 6 FUNCTIONS		NOT SPECIFIED	NOT SPECIFIED	9.21 mm	LS
SN74ALS561J4	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		0 Cel		DUAL		R-XDIP-T20
SN74177NP3	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			0 Cel		DUAL		R-PDIP-T14
SN54S168W	Texas Instruments	DECADE COUNTER	MILITARY	FLAT	16	DFP	RECTANGULAR	CERAMIC, GLASS-SEALED	YES	1	40000000 Hz	TTL		4	YES		5	5	15 pF	FLATPACK	FL16,.3	SYNCHRONOUS	15 ns	20 Amp	Counters	1.27 mm	125 Cel	BIDIRECTIONAL		POSITIVE EDGE	-55 Cel		DUAL	40 MHz	R-GDFP-F16		5.5 V	2.03 mm	6.73 mm	Not Qualified	4.5 V	160 mA	TCO OUTPUT		NOT SPECIFIED	NOT SPECIFIED	10.2 mm	S
SN74HC4017DWR-00	Texas Instruments	RING COUNTER	INDUSTRIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1		CMOS		10	YES		5		50 pF	SMALL OUTLINE		SYNCHRONOUS	58 ns			1.27 mm	85 Cel	UP		POSITIVE EDGE	-40 Cel		DUAL	25 MHz	R-PDSO-G16		6 V	2.65 mm	7.5 mm	Not Qualified	2 V		JOHNSON COUNTER WITH 10 DECODED OUTPUTS				10.3 mm	HC/UH
5962-01-329-5757	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	3-STATE		0 Cel		DUAL		R-XDIP-T16					Not Qualified					NOT SPECIFIED	NOT SPECIFIED
SN74AHC4040DGVR	Texas Instruments	BINARY COUNTER	INDUSTRIAL	GULL WING	16	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	1		CMOS			NO	TR		2/5.5	50 pF	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP16,.25,16	ASYNCHRONOUS		8 Amp	Counters	.4 mm	85 Cel	UP			-40 Cel		DUAL		R-PDSO-G16					Not Qualified					NOT SPECIFIED	NOT SPECIFIED
CD4536BNSRG4	Texas Instruments	BINARY COUNTER	MILITARY	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1		CMOS		24	YES		5			SMALL OUTLINE		SYNCHRONOUS	8000 ns			1.27 mm	125 Cel	UP		POSITIVE EDGE	-55 Cel	NICKEL PALLADIUM GOLD	DUAL	2.5 MHz	R-PDSO-G16	1	18 V	2 mm	5.3 mm	Not Qualified	3 V			e4	30	260	10.2 mm	4000/14000/40000
SN74LS693NP1	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		0 Cel		DUAL		R-PDIP-T20					Not Qualified					NOT SPECIFIED	NOT SPECIFIED
SN74LS163ANSRG4	Texas Instruments	BINARY COUNTER	COMMERCIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1	25000000 Hz	TTL		4	YES	TR	5	5		SMALL OUTLINE	SOP16,.3	SYNCHRONOUS	27 ns	8 Amp	Counters	1.27 mm	70 Cel	UP		POSITIVE EDGE	0 Cel	NICKEL PALLADIUM GOLD	DUAL	25 MHz	R-PDSO-G16	1	5.25 V	2 mm	5.3 mm	Not Qualified	4.75 V	32 mA	TCO OUTPUT	e4	30	260	10.2 mm	LS
5962-8977101EX	Texas Instruments	BINARY COUNTER	MILITARY	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	1	30000000 Hz	CMOS	MIL-STD-883	14	YES		5		50 pF	IN-LINE		ASYNCHRONOUS	100 ns			2.54 mm	125 Cel	UP		NEGATIVE EDGE	-55 Cel		DUAL	20 MHz	R-GDIP-T16		5.5 V	5.08 mm	7.62 mm	Qualified	4.5 V				NOT SPECIFIED	NOT SPECIFIED	19.56 mm	HCT
SN74HC4040N1	Texas Instruments	BINARY COUNTER	INDUSTRIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1		CMOS			NO			2/6		IN-LINE	DIP16,.3	ASYNCHRONOUS			Counters	2.54 mm	85 Cel	UP			-40 Cel		DUAL		R-PDIP-T16					Not Qualified
SN54ALS560J	Texas Instruments	DECADE COUNTER	MILITARY	THROUGH-HOLE	20	DIP	RECTANGULAR	CERAMIC	NO	1		TTL			YES		5	5		IN-LINE	DIP20,.3	SYNCHRONOUS			Counters	2.54 mm	125 Cel	UP	3-STATE		-55 Cel		DUAL		R-XDIP-T20					Not Qualified
SN74LS390N3	Texas Instruments	DECADE COUNTER	COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	2		TTL		3	NO		5	5		IN-LINE	DIP16,.3	ASYNCHRONOUS	60 ns		Counters	2.54 mm	70 Cel	UP		NEGATIVE EDGE	0 Cel		DUAL	25 MHz	R-PDIP-T16		5.25 V	5.08 mm	7.62 mm	Not Qualified	4.75 V		DIVIDE BY 2 AND DIVIDE BY 5 FUNCTIONS		NOT SPECIFIED	NOT SPECIFIED	19.305 mm	LS
SN5493W	Texas Instruments	BINARY COUNTER	MILITARY	FLAT	14	DFP	RECTANGULAR	CERAMIC	YES	1		TTL			NO		5	5		FLATPACK	FL14,.3	ASYNCHRONOUS			Counters	1.27 mm	125 Cel	UP			-55 Cel		DUAL		R-XDFP-F14					Not Qualified
CD74HC40103EE4	Texas Instruments	BINARY COUNTER	MILITARY	THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1	10000000 Hz	CMOS		8		TUBE	4.5	2/6	50 pF	IN-LINE	DIP16,.3	SYNCHRONOUS	450 ns	5.2 Amp	Counters	2.54 mm	125 Cel	DOWN		POSITIVE EDGE	-55 Cel	NICKEL PALLADIUM GOLD	DUAL	12 MHz	R-PDIP-T16		6 V	5.08 mm	7.62 mm	Not Qualified	2 V	.08 mA	TCO OUTPUT; RESET TO MAX COUNT	e4			19.305 mm	HC
SN74LS161J	Texas Instruments	BINARY 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			0 Cel		DUAL		R-XDIP-T16					Not Qualified		32 mA			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.