THROUGH-HOLE 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	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
SN74LS293N-00	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	0 Cel		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 8 FUNCTIONS				19.305 mm	LS
SN54ALS162AJ-00	Texas Instruments	DECADE COUNTER	MILITARY	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	1		TTL		4	YES		5		50 pF	IN-LINE		SYNCHRONOUS	20 ns			2.54 mm	125 Cel	UP		POSITIVE EDGE	-55 Cel		DUAL	25 MHz	R-GDIP-T16	5.5 V	5.08 mm	7.62 mm	Not Qualified	4.5 V	21 mA	TCO OUTPUT				19.56 mm	ALS
5962-01-091-0556	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			0 Cel		DUAL		R-XDIP-T16				Not Qualified		70 mA			NOT SPECIFIED	NOT SPECIFIED
SN74ALS161NP1	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			0 Cel		DUAL		R-PDIP-T16				Not Qualified
SN74AS160N3	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
SN74F193AN	Texas Instruments	BINARY COUNTER	COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1		TTL		4	YES		5	5	50 pF	IN-LINE	DIP16,.3	SYNCHRONOUS	13 ns		Counters	2.54 mm	70 Cel	BIDIRECTIONAL		POSITIVE EDGE	0 Cel		DUAL	85 MHz	R-PDIP-T16	5.5 V	5.08 mm	7.62 mm	Not Qualified	4.5 V	54 mA	TCO UP AND TCO DOWN OUTPUTS; SEPARATE UP/DOWN CLOCK		NOT SPECIFIED	NOT SPECIFIED	19.305 mm	F/FAST
SN74ALS160N3	Texas Instruments	DECADE 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			0 Cel		DUAL		R-PDIP-T16
SN74161NP1	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			0 Cel		DUAL		R-PDIP-T16				Not Qualified
SN74S162NP1	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
SN5493J	Texas Instruments	BINARY COUNTER	MILITARY	THROUGH-HOLE	14	DIP	RECTANGULAR	CERAMIC	NO	1		TTL		3	NO		5	5		IN-LINE	DIP14,.3	ASYNCHRONOUS			Counters	2.54 mm	125 Cel	UP		NEGATIVE EDGE	-55 Cel		DUAL		R-XDIP-T14				Not Qualified								TTL/H/L
SN74160N1	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
SN54LS693J	Texas Instruments	BINARY COUNTER	MILITARY	THROUGH-HOLE	20	DIP	RECTANGULAR	CERAMIC, METAL-SEALED COFIRED	NO	1		TTL		4	YES		5		45 pF	IN-LINE	DIP20,.3	SYNCHRONOUS	25 ns		Counters	2.54 mm	125 Cel	UP	3-STATE	POSITIVE EDGE	-55 Cel		DUAL		R-CDIP-T20	5.5 V	5.08 mm	7.62 mm	Not Qualified	4.5 V	70 mA	REGISTER/COUNTER OUTPUT SELECT; TCO OUTPUT; REGISTERED OUTPUTS		NOT SPECIFIED	NOT SPECIFIED	24.195 mm	LS
SN74ALS561J	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				Not Qualified
SN54HC490J-00	Texas Instruments	DECADE COUNTER	MILITARY	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	2		CMOS		4	YES		5		50 pF	IN-LINE		ASYNCHRONOUS	71 ns			2.54 mm	125 Cel	UP		NEGATIVE EDGE	-55 Cel		DUAL	21 MHz	R-GDIP-T16	6 V	5.08 mm	7.62 mm	Not Qualified	2 V						19.56 mm	HC/UH
5962-01-047-8576	Texas Instruments	DECADE COUNTER	MILITARY	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC	NO	1	25000000 Hz	TTL			YES		5	5		IN-LINE	DIP16,.3	SYNCHRONOUS		4 Amp	Counters	2.54 mm	125 Cel	UP			-55 Cel		DUAL		R-XDIP-T16				Not Qualified		32 mA			NOT SPECIFIED	NOT SPECIFIED
CD40103BF3A	Texas Instruments	BINARY COUNTER	MILITARY	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	1	700000 Hz	CMOS	38535Q/M;38534H;883B	8	YES	TUBE	5	5/15	50 pF	IN-LINE	DIP16,.3	SYNCHRONOUS	600 ns	1.5 Amp	Counters	2.54 mm	125 Cel	DOWN		POSITIVE EDGE	-55 Cel	TIN LEAD	DUAL	2.4 MHz	R-GDIP-T16	18 V	5.08 mm	6.92 mm	Not Qualified	3 V	.03 mA	TCO OUTPUT; RESET TO MAX COUNT	e0			19.56 mm	4000/14000/40000
JM38510/31512BEA	Texas Instruments	BINARY COUNTER	MILITARY	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	1		TTL	MIL-M-38510	4		TUBE	5			IN-LINE		SYNCHRONOUS	27 ns	8 Amp		2.54 mm	125 Cel	UP		POSITIVE EDGE	-55 Cel	TIN LEAD	DUAL	25 MHz	R-GDIP-T16	5.25 V	5.08 mm	7.62 mm	Not Qualified	4.75 V	32 mA	TCO OUTPUT	e0			19.56 mm	LS
SN74AS169ANE4	Texas Instruments	BINARY COUNTER	COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1	75000000 Hz	TTL		4	YES	TUBE	5	5	50 pF	IN-LINE	DIP16,.3	SYNCHRONOUS	13 ns	20 Amp	Counters	2.54 mm	70 Cel	BIDIRECTIONAL		POSITIVE EDGE	0 Cel	NICKEL PALLADIUM GOLD	DUAL	75 MHz	R-PDIP-T16	5.5 V	5.08 mm	7.62 mm	Not Qualified	4.5 V	63 mA	TCO OUTPUT	e4			19.305 mm	AS
CD4527BD	Texas Instruments	DECADE COUNTER	MILITARY	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC, METAL-SEALED COFIRED	NO	1		CMOS		4	YES		5	5/15		IN-LINE	DIP16,.3	SYNCHRONOUS	220 ns		Counters	2.54 mm	125 Cel	UP		NEGATIVE EDGE	-55 Cel		DUAL	3.5 MHz	R-CDIP-T16	18 V	5.08 mm	7.62 mm	Not Qualified	3 V		BCD RATE MULTIPLIER; COMPLEMENTARY OUTPUTS				19.05 mm	4000/14000/40000
SN74LS192JP4	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			0 Cel		DUAL		R-XDIP-T16
SN74ALS190J	Texas Instruments	DECADE COUNTER	COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC	NO	1		TTL		4	YES		5	5		IN-LINE	DIP16,.3	SYNCHRONOUS			Counters	2.54 mm	70 Cel	BIDIRECTIONAL		POSITIVE EDGE	0 Cel		DUAL		R-XDIP-T16				Not Qualified								ALS
CD4089BF3A	Texas Instruments	BINARY COUNTER	MILITARY	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	1		CMOS	38535Q/M;38534H;883B	4	YES		5	5/15		IN-LINE	DIP16,.3	SYNCHRONOUS	220 ns		Counter	2.54 mm	125 Cel	UP		NEGATIVE EDGE	-55 Cel		DUAL	7 MHz	R-GDIP-T16	18 V	5.08 mm	7.62 mm	Not Qualified	3 V		BINARY RATE MULTIPLIER; TCO OUTPUT				19.56 mm	4000/14000/40000
SN74HC692J4	Texas Instruments	DECADE COUNTER	INDUSTRIAL	THROUGH-HOLE	20	DIP	RECTANGULAR	CERAMIC	NO	1		CMOS			YES		5	5		IN-LINE	DIP20,.3	SYNCHRONOUS			Counters	2.54 mm	85 Cel	BIDIRECTIONAL	3-STATE		-40 Cel		DUAL		R-XDIP-T20									NOT SPECIFIED	NOT SPECIFIED
SN74163J	Texas Instruments	BINARY COUNTER	COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	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	0 Cel		DUAL	25 MHz	R-GDIP-T16	5.25 V	5.08 mm	7.62 mm	Not Qualified	4.75 V	101 mA	TCO OUTPUT		NOT SPECIFIED	NOT SPECIFIED	19.56 mm	TTL/H/L
SN74LS162AJP4	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	UP			0 Cel		DUAL		R-XDIP-T16
SN74LS191NP1	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
SN74LS168J	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	BIDIRECTIONAL	3-STATE		0 Cel		DUAL		R-XDIP-T16				Not Qualified		34 mA			NOT SPECIFIED	NOT SPECIFIED
SN54LS293J	Texas Instruments	BINARY COUNTER	MILITARY	THROUGH-HOLE	14	DIP	RECTANGULAR	CERAMIC, METAL-SEALED COFIRED	NO	2	32000000 Hz	TTL		3	NO		5	5		IN-LINE	DIP14,.3	ASYNCHRONOUS	51 ns	4 Amp	Counters	2.54 mm	125 Cel	UP		NEGATIVE EDGE	-55 Cel		DUAL	16 MHz	R-CDIP-T14	5.5 V	5.08 mm	7.62 mm	Not Qualified	4.5 V	15 mA	DIVIDE BY 2 AND DIVIDE BY 8 FUNCTIONS		NOT SPECIFIED	NOT SPECIFIED	19.56 mm	LS
SN74ALS569J	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	BIDIRECTIONAL	3-STATE		0 Cel		DUAL		R-XDIP-T20				Not Qualified					NOT SPECIFIED	NOT SPECIFIED
SN74LS591JP4	Texas Instruments	BINARY COUNTER	COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC	NO	1		TTL			NO					IN-LINE	DIP16,.3	ASYNCHRONOUS			Counters	2.54 mm	70 Cel	UP	3-STATE		0 Cel		DUAL		R-XDIP-T16									NOT SPECIFIED	NOT SPECIFIED
SN74LS390J-00	Texas Instruments	DECADE COUNTER	COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	4		TTL		3	YES		5		15 pF	IN-LINE		ASYNCHRONOUS	60 ns			2.54 mm	70 Cel	UP		NEGATIVE EDGE	0 Cel		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				19.56 mm	LS
SN54162J-00	Texas Instruments	DECADE COUNTER	MILITARY	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	1		TTL		4	YES		5		15 pF	IN-LINE		SYNCHRONOUS	29 ns			2.54 mm	125 Cel	UP		POSITIVE EDGE	-55 Cel		DUAL	25 MHz	R-GDIP-T16	5.5 V	5.08 mm	7.62 mm	Not Qualified	4.5 V	91 mA					19.56 mm	TTL/H/L
SN74LS690N1	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		0 Cel		DUAL		R-PDIP-T20				Not Qualified					NOT SPECIFIED	NOT SPECIFIED
CD4040BCN	Texas Instruments	BINARY COUNTER	INDUSTRIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1		CMOS		12	YES		5			IN-LINE		ASYNCHRONOUS	550 ns			2.54 mm	85 Cel	UP		NEGATIVE EDGE	-40 Cel		DUAL	5 MHz	R-PDIP-T16	15 V	5.08 mm	7.62 mm		3 V						19.305 mm	4000/14000/40000
SN74S197N-00	Texas Instruments	BINARY COUNTER	COMMERCIAL	THROUGH-HOLE	14	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	2		TTL		3	YES		5		15 pF	IN-LINE		ASYNCHRONOUS	43 ns			2.54 mm	70 Cel	UP		NEGATIVE EDGE	0 Cel		DUAL	100 MHz	R-PDIP-T14	5.25 V	5.08 mm	7.62 mm	Not Qualified	4.75 V	120 mA	DIVIDE BY 2 AND DIVIDE BY 8 FUNCTIONS				19.305 mm	S
SN74HC4017NP3	Texas Instruments	DECADE COUNTER	INDUSTRIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1		CMOS			NO			2/6		IN-LINE	DIP16,.3	SYNCHRONOUS			Counters	2.54 mm	85 Cel	UP			-40 Cel		DUAL		R-PDIP-T16
5962-8994701MEA	Texas Instruments	BINARY COUNTER	MILITARY	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	1	16000000 Hz	CMOS	MIL-STD-883	12		TUBE	5	5	50 pF	IN-LINE	DIP16,.3	ASYNCHRONOUS	60 ns	4 Amp	Counter	2.54 mm	125 Cel	UP		NEGATIVE EDGE	-55 Cel	Tin/Lead (Sn/Pb)	DUAL	16 MHz	R-GDIP-T16	5.5 V	5.08 mm	7.62 mm	Qualified	4.5 V	.08 mA		e0	NOT SPECIFIED	NOT SPECIFIED	19.56 mm	HCT
SN74HC190NP1	Texas Instruments	DECADE COUNTER	INDUSTRIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1		CMOS			YES			2/6		IN-LINE	DIP16,.3	ASYNCHRONOUS			Counters	2.54 mm	85 Cel	BIDIRECTIONAL			-40 Cel		DUAL		R-PDIP-T16				Not Qualified
SN74L93J-00	Texas Instruments	BINARY COUNTER	COMMERCIAL	THROUGH-HOLE	14	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	2		TTL		3	YES		5			IN-LINE		ASYNCHRONOUS				2.54 mm	70 Cel	UP		NEGATIVE EDGE	0 Cel		DUAL	3 MHz	R-GDIP-T14	5.25 V	5.08 mm	7.62 mm	Not Qualified	4.75 V	6.6 mA	DIVIDE BY 2 AND DIVIDE BY 8 FUNCTIONS				19.56 mm	TTL/H/L
SN74ALS568J4	Texas Instruments	DECADE 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	BIDIRECTIONAL	3-STATE		0 Cel		DUAL		R-XDIP-T20									NOT SPECIFIED	NOT SPECIFIED
SN54ALS190J-00	Texas Instruments	DECADE COUNTER	MILITARY	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	1		TTL		4	YES		5		50 pF	IN-LINE		SYNCHRONOUS	22 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	22 mA	TCO OUTPUT				19.56 mm	ALS
5962-01-183-8146	Texas Instruments	BINARY COUNTER	COMMERCIAL	THROUGH-HOLE	14	DIP	RECTANGULAR	CERAMIC	NO	1	16000000 Hz	TTL			YES		5	5		IN-LINE	DIP14,.3	ASYNCHRONOUS		8 Amp	Counters	2.54 mm	70 Cel	UP			0 Cel		DUAL		R-XDIP-T14				Not Qualified		15 mA			NOT SPECIFIED	NOT SPECIFIED
SN74ALS569ANE4	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	0 Cel	Nickel/Palladium/Gold (Ni/Pd/Au)	DUAL	30 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	e4	NOT SPECIFIED	NOT SPECIFIED	24.325 mm	ALS
SN74HC693N1	Texas Instruments	BINARY COUNTER	INDUSTRIAL	THROUGH-HOLE	20	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1		CMOS			YES		5	5		IN-LINE	DIP20,.3	SYNCHRONOUS			Counters	2.54 mm	85 Cel	BIDIRECTIONAL	3-STATE		-40 Cel		DUAL		R-PDIP-T20				Not Qualified					NOT SPECIFIED	NOT SPECIFIED
SN54290J-00	Texas Instruments	DECADE COUNTER	MILITARY	THROUGH-HOLE	14	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	2		TTL		3	YES		5		15 pF	IN-LINE		ASYNCHRONOUS	50 ns			2.54 mm	125 Cel	UP		NEGATIVE EDGE	-55 Cel		DUAL	32 MHz	R-GDIP-T14	5.5 V	5.08 mm	7.62 mm	Not Qualified	4.5 V	42 mA	DIVIDE BY 2 AND DIVIDE BY 5 FUNCTIONS				19.56 mm	TTL/H/L
CD4520BD	Texas Instruments	BINARY COUNTER	MILITARY	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC, METAL-SEALED COFIRED	NO	2	1500000 Hz	CMOS		4	NO		5	5/15	50 pF	IN-LINE	DIP16,.3	SYNCHRONOUS	560 ns	.36 Amp	Counters	2.54 mm	125 Cel	UP		POSITIVE EDGE	-55 Cel		DUAL	4 MHz	R-CDIP-T16	18 V	5.08 mm	7.62 mm	Not Qualified	3 V		GATED CLOCK; SCHMITT TRIGGER ON CLOCK INPUT		NOT SPECIFIED	NOT SPECIFIED	19.05 mm	4000/14000/40000
SN54AS163J-00	Texas Instruments	BINARY COUNTER	MILITARY	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	1		TTL		4	YES		5			IN-LINE		SYNCHRONOUS				2.54 mm	125 Cel	UP		POSITIVE EDGE	-55 Cel		DUAL		R-GDIP-T16	5.5 V	5.08 mm	7.62 mm	Not Qualified	4.5 V		TCO OUTPUT				19.56 mm	AS
SN54F568J-00	Texas Instruments	DECADE COUNTER	MILITARY	THROUGH-HOLE	20	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	1		TTL		4	YES		5			IN-LINE		SYNCHRONOUS	11.5 ns			2.54 mm	125 Cel	BIDIRECTIONAL	3-STATE	POSITIVE EDGE	-55 Cel		DUAL	115 MHz	R-GDIP-T20	5.5 V	5.08 mm	7.62 mm	Not Qualified	4.5 V		TCO OUTPUT; CLOCKED CARRY OUTPUT				24.195 mm	F/FAST

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.