DECADE COUNTER 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	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 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	Maximum Time At Peak Reflow Temperature (s)	Peak Reflow Temperature (C)	Length	Family
SN74ALS168NP1	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			0 Cel	DUAL		R-PDIP-T16				Not Qualified
SN74HC690J	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 Qualified				NOT SPECIFIED	NOT SPECIFIED
SN74ALS560DW3	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	UP	3-STATE		0 Cel	DUAL		R-PDSO-G20
SN54AS162J-00	Texas Instruments	DECADE 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
5962-9057401EA	Texas Instruments	DECADE COUNTER	MILITARY	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	1	9000000 Hz	CMOS	38535Q/M;38534H;883B	8	YES	5	5	50 pF	IN-LINE	DIP16,.3	SYNCHRONOUS		4 Amp	Counters	2.54 mm	125 Cel	DOWN		POSITIVE EDGE	-55 Cel	DUAL		R-GDIP-T16	5.5 V	5.08 mm	7.62 mm	Not Qualified	4.5 V		TCO OUTPUT; RESET TO MAX COUNT	NOT SPECIFIED	NOT SPECIFIED		HCT
SN74LS696NP1	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		0 Cel	DUAL		R-PDIP-T20				Not Qualified				NOT SPECIFIED	NOT SPECIFIED
SN74LS90JP4	Texas Instruments	DECADE 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
SN74AS162FN-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	0 Cel	QUAD		S-PQCC-J20	5.5 V	4.57 mm	8.9662 mm	Not Qualified	4.5 V		TCO OUTPUT			8.9662 mm	AS
SN74HC490J	Texas Instruments	DECADE COUNTER	INDUSTRIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC	NO	2		CMOS			NO				IN-LINE	DIP16,.3	ASYNCHRONOUS			Counters	2.54 mm	85 Cel	UP			-40 Cel	DUAL		R-XDIP-T16				Not Qualified
SN54LS192W-00	Texas Instruments	DECADE COUNTER	MILITARY	FLAT	16	DFP	RECTANGULAR	CERAMIC, GLASS-SEALED	YES	1		TTL		4	YES	5		15 pF	FLATPACK		SYNCHRONOUS	47 ns			1.27 mm	125 Cel	BIDIRECTIONAL		POSITIVE EDGE	-55 Cel	DUAL	25 MHz	R-GDFP-F16	5.5 V	2.03 mm	6.73 mm	Not Qualified	4.5 V	34 mA				10.2 mm	LS
SN74ALS560AFN-00	Texas Instruments	DECADE COUNTER	COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1		TTL		4	YES	5		50 pF	CHIP CARRIER		SYNCHRONOUS	18 ns			1.27 mm	70 Cel	UP	3-STATE	POSITIVE EDGE	0 Cel	QUAD	20 MHz	S-PQCC-J20	5.5 V	4.57 mm	8.9662 mm	Not Qualified	4.5 V	33 mA	TCO OUTPUT; COUNT ENABLE INPUTS			8.9662 mm	ALS
SN74LS668NP3	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			0 Cel	DUAL		R-PDIP-T16								NOT SPECIFIED	NOT SPECIFIED
5962-01-117-1824	Texas Instruments	DECADE COUNTER	COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1	40000000 Hz	TTL			YES	5	5		IN-LINE	DIP16,.3	SYNCHRONOUS		20 Amp	Counters	2.54 mm	70 Cel	BIDIRECTIONAL			0 Cel	DUAL		R-PDIP-T16				Not Qualified		160 mA		NOT SPECIFIED	NOT SPECIFIED
SN74290N-00	Texas Instruments	DECADE COUNTER	COMMERCIAL	THROUGH-HOLE	14	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	2		TTL		3	YES	5		15 pF	IN-LINE		ASYNCHRONOUS	50 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	42 mA	DIVIDE BY 2 AND DIVIDE BY 5 FUNCTIONS			19.305 mm	TTL/H/L
SN74HC696N3	Texas Instruments	DECADE COUNTER	INDUSTRIAL	THROUGH-HOLE	20	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1		CMOS			NO	5	5		IN-LINE	DIP20,.3	SYNCHRONOUS			Counters	2.54 mm	85 Cel	BIDIRECTIONAL	3-STATE		-40 Cel	DUAL		R-PDIP-T20								NOT SPECIFIED	NOT SPECIFIED
SN74F162AD	Texas Instruments	DECADE COUNTER	COMMERCIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1	90000000 Hz	TTL		4	YES	5	5	50 pF	SMALL OUTLINE	SOP16,.25	SYNCHRONOUS	11 ns	20 Amp	Counters	1.27 mm	70 Cel	UP		POSITIVE EDGE	0 Cel	DUAL	90 MHz	R-PDSO-G16	5.5 V	1.75 mm	3.9 mm	Not Qualified	4.5 V	55 mA	TCO OUTPUT	NOT SPECIFIED	NOT SPECIFIED	9.9 mm	F/FAST
SN74HC160D3	Texas Instruments	DECADE COUNTER	INDUSTRIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1		CMOS			YES		2/6		SMALL OUTLINE	SOP16,.25	SYNCHRONOUS			Counters	1.27 mm	85 Cel	UP			-40 Cel	DUAL		R-PDSO-G16
SN74ALS568AFN-00	Texas Instruments	DECADE COUNTER	COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1		TTL		4	YES	5		50 pF	CHIP CARRIER		SYNCHRONOUS	16 ns			1.27 mm	70 Cel	BIDIRECTIONAL	3-STATE	POSITIVE EDGE	0 Cel	QUAD	20 MHz	S-PQCC-J20	5.5 V	4.57 mm	8.9662 mm	Not Qualified	4.5 V	32 mA	TCO OUTPUT; CLOCKED CARRY OUTPUT			8.9662 mm	ALS
SN74ALS168AFN	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			0 Cel	QUAD		S-PQCC-J20				Not Qualified
SN54LS162J	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
SN54S196W	Texas Instruments	DECADE COUNTER	MILITARY	FLAT	14	DFP	RECTANGULAR	CERAMIC, METAL-SEALED COFIRED	YES	2		TTL		3	YES	5		15 pF	FLATPACK	FL14,.3	ASYNCHRONOUS	24 ns		Counters	1.27 mm	125 Cel	UP		NEGATIVE EDGE	-55 Cel	DUAL	100 MHz	R-CDFP-F14	5.5 V	2.03 mm	6.29 mm	Not Qualified	4.5 V	110 mA	DIVIDE BY 2 AND DIVIDE BY 5 FUNCTIONS	NOT SPECIFIED	NOT SPECIFIED	9.21 mm	S
SN54LS162AW-00	Texas Instruments	DECADE COUNTER	MILITARY	FLAT	16	DFP	RECTANGULAR	CERAMIC, GLASS-SEALED	YES	1		TTL		4	YES	5		15 pF	FLATPACK		SYNCHRONOUS	27 ns			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	32 mA				10.2 mm	LS
SN74LS160AJ4	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
5962-01-332-1186	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	BIDIRECTIONAL	3-STATE		-55 Cel	DUAL		R-XDIP-T16				Not Qualified		34 mA		NOT SPECIFIED	NOT SPECIFIED
SN74162N1	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
SN74ALS192D	Texas Instruments	DECADE COUNTER	COMMERCIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1		TTL		4	YES	5	5	50 pF	SMALL OUTLINE	SOP16,.25	SYNCHRONOUS	17 ns		Counters	1.27 mm	70 Cel	BIDIRECTIONAL		POSITIVE EDGE	0 Cel	DUAL	25 MHz	R-PDSO-G16	5.5 V	1.75 mm	3.9 mm	Not Qualified	4.5 V	22 mA	TCO UP AND TCO DOWN OUTPUTS; SEPARATE UP/DOWN CLOCK	NOT SPECIFIED	NOT SPECIFIED	9.9 mm	ALS
SN74S196N	Texas Instruments	DECADE COUNTER	COMMERCIAL	THROUGH-HOLE	14	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1		TTL		4	YES	5		15 pF	IN-LINE	DIP14,.3	ASYNCHRONOUS	24 ns		Counters	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 5 FUNCTIONS	NOT SPECIFIED	NOT SPECIFIED	19.305 mm	S
SN74LS290J	Texas Instruments	DECADE COUNTER	COMMERCIAL	THROUGH-HOLE	14	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	2		TTL		3	YES	5	5		IN-LINE	DIP14,.3	ASYNCHRONOUS	35 ns		Counters	2.54 mm	70 Cel	UP		NEGATIVE EDGE	0 Cel	DUAL	16 MHz	R-GDIP-T14	5.25 V	5.08 mm	7.62 mm	Not Qualified	4.75 V	15 mA	DIVIDE BY 2 AND DIVIDE BY 5 FUNCTIONS	NOT SPECIFIED	NOT SPECIFIED	19.56 mm	LS
5962-9098401MEX	Texas Instruments	DECADE COUNTER	MILITARY	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	4		CMOS	MIL-STD-883	3	YES	5		50 pF	IN-LINE		ASYNCHRONOUS	126 ns			2.54 mm	125 Cel	UP		NEGATIVE EDGE	-55 Cel	DUAL	18 MHz	R-GDIP-T16	5.5 V	5.08 mm	7.62 mm	Qualified	4.5 V		DIVIDE BY 2 AND DIVIDE BY 5 FUNCTIONS	NOT SPECIFIED	NOT SPECIFIED	19.56 mm	HCT
SN54L90T-13	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	3.6 mm	Not Qualified	4.5 V	7.2 mA	DIVIDE BY 2 AND DIVIDE BY 5 FUNCTIONS			6.48 mm	TTL/H/L
SN74LS192N-00	Texas Instruments	DECADE 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	0 Cel	DUAL	25 MHz	R-PDIP-T16	5.25 V	5.08 mm	7.62 mm	Not Qualified	4.75 V	34 mA				19.305 mm	LS
SN5490AW	Texas Instruments	DECADE COUNTER	MILITARY	FLAT	14	DFP	RECTANGULAR	CERAMIC, METAL-SEALED COFIRED	YES	2	16000000 Hz	TTL		3	YES	5	5	15 pF	FLATPACK	FL14,.3	ASYNCHRONOUS	35 ns	16 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	42 mA	DIVIDE BY 2 AND DIVIDE BY 5 FUNCTIONS	NOT SPECIFIED	NOT SPECIFIED	9.21 mm	TTL/H/L
SN74AS160N1	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
SN74ALS162BD	Texas Instruments	DECADE COUNTER	COMMERCIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1	40000000 Hz	TTL		4	YES	5	5	50 pF	SMALL OUTLINE	SOP16,.25	SYNCHRONOUS	20 ns		Counters	1.27 mm	70 Cel	UP		POSITIVE EDGE	0 Cel	DUAL	40 MHz	R-PDSO-G16	5.5 V	1.75 mm	3.9 mm	Not Qualified	4.5 V	21 mA	TCO OUTPUT	NOT SPECIFIED	NOT SPECIFIED	9.9 mm	ALS
SN74ALS192AD	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			0 Cel	DUAL		R-PDSO-G16				Not Qualified
SN74S168J4	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			0 Cel	DUAL		R-XDIP-T16								NOT SPECIFIED	NOT SPECIFIED
SN74ALS560ANP1	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
SN74F160AD-00	Texas Instruments	DECADE COUNTER	COMMERCIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1		TTL		4	YES	5			SMALL OUTLINE		SYNCHRONOUS	15 ns			1.27 mm	70 Cel	UP		POSITIVE EDGE	0 Cel	DUAL	120 MHz	R-PDSO-G16	5.5 V	1.75 mm	3.9 mm	Not Qualified	4.5 V		TCO OUTPUT			9.9 mm	F/FAST
SN54LS290W	Texas Instruments	DECADE COUNTER	MILITARY	FLAT	14	DFP	RECTANGULAR	CERAMIC, METAL-SEALED COFIRED	YES	2		TTL		3	YES	5	5		FLATPACK	FL14,.3	ASYNCHRONOUS	35 ns		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 5 FUNCTIONS	NOT SPECIFIED	NOT SPECIFIED	9.21 mm	LS
SN74HC698JP4	Texas Instruments	DECADE COUNTER	INDUSTRIAL	THROUGH-HOLE	20	DIP	RECTANGULAR	CERAMIC	NO	1		CMOS			NO	5	5		IN-LINE	DIP20,.3	SYNCHRONOUS			Counters	2.54 mm	85 Cel	BIDIRECTIONAL	3-STATE		-40 Cel	DUAL		R-XDIP-T20				Not Qualified				NOT SPECIFIED	NOT SPECIFIED
SN74ALS160NP3	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
SN74LS490J	Texas Instruments	DECADE COUNTER	COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC, METAL-SEALED COFIRED	NO	2		TTL		4	YES	5	5	15 pF	IN-LINE	DIP16,.3	ASYNCHRONOUS	54 ns		Counters	2.54 mm	70 Cel	UP		NEGATIVE EDGE	0 Cel	DUAL	25 MHz	R-CDIP-T16	5.25 V	5.08 mm	7.62 mm	Not Qualified	4.75 V	26 mA		NOT SPECIFIED	NOT SPECIFIED	19.56 mm	LS
SN54LS490J-00	Texas Instruments	DECADE COUNTER	MILITARY	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	2		TTL		4	YES	5		15 pF	IN-LINE		ASYNCHRONOUS	54 ns			2.54 mm	125 Cel	UP		NEGATIVE EDGE	-55 Cel	DUAL	35 MHz	R-GDIP-T16	5.5 V	5.08 mm	7.62 mm	Not Qualified	4.5 V	26 mA				19.56 mm	LS
SN74LS690J	Texas Instruments	DECADE COUNTER	COMMERCIAL	THROUGH-HOLE	20	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	1		TTL		4	YES	5		45 pF	IN-LINE	DIP20,.3	SYNCHRONOUS	25 ns		Counters	2.54 mm	70 Cel	UP	3-STATE	POSITIVE EDGE	0 Cel	DUAL		R-GDIP-T20	5.25 V	5.08 mm	7.62 mm	Not Qualified	4.75 V	70 mA	REGISTER/COUNTER OUTPUT SELECT; TCO OUTPUT; REGISTERED OUTPUTS	NOT SPECIFIED	NOT SPECIFIED	24.195 mm	LS
SN74LS68D3	Texas Instruments	DECADE COUNTER	COMMERCIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	2		TTL			NO				SMALL OUTLINE	SOP16,.25	ASYNCHRONOUS			Counters	1.27 mm	70 Cel	UP			0 Cel	DUAL		R-PDSO-G16								NOT SPECIFIED	NOT SPECIFIED
SN54ALS162BFKR	Texas Instruments	DECADE COUNTER	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED	YES	1		TTL		4	YES	5		50 pF	CHIP CARRIER		SYNCHRONOUS	25 ns			1.27 mm	125 Cel	UP		POSITIVE EDGE	-55 Cel	QUAD	22 MHz	S-CQCC-N20	5.5 V	2.03 mm	8.89 mm	Not Qualified	4.5 V	21 mA	TCO OUTPUT			8.89 mm	ALS
SN74ALS560AN	Texas Instruments	DECADE COUNTER	COMMERCIAL	THROUGH-HOLE	20	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1		TTL		4	YES	5	5	50 pF	IN-LINE	DIP20,.3	SYNCHRONOUS	18 ns		Counters	2.54 mm	70 Cel	UP	3-STATE	POSITIVE EDGE	0 Cel	DUAL	20 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	NOT SPECIFIED	NOT SPECIFIED	24.325 mm	ALS
SN74HC690FH	Texas Instruments	DECADE COUNTER	INDUSTRIAL	NO LEAD	20	QCCN	SQUARE	CERAMIC	YES	1		CMOS			YES	5	5		CHIP CARRIER	LCC20,.35SQ	SYNCHRONOUS			Counters	1.27 mm	85 Cel	BIDIRECTIONAL	3-STATE		-40 Cel	QUAD		S-XQCC-N20				Not Qualified				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.