20 Digital Counters 1,712

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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
SN54ALS169AFH-00	Texas Instruments	BINARY COUNTER	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED	YES	1		TTL		4	YES		5		50 pF	CHIP CARRIER		SYNCHRONOUS	20 ns			1.27 mm	125 Cel	BIDIRECTIONAL		POSITIVE EDGE	-55 Cel		QUAD	25 MHz	S-CQCC-N20	5.5 V	2.54 mm	8.89 mm	Not Qualified	4.5 V	25 mA	TCO OUTPUT				8.89 mm	ALS
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
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
SN74LS697NSRG4	Texas Instruments	BINARY COUNTER	COMMERCIAL	GULL WING	20	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1		TTL		4	YES		5			SMALL OUTLINE	SOP20,.3	SYNCHRONOUS	25 ns		Counters	1.27 mm	70 Cel	BIDIRECTIONAL	3-STATE	POSITIVE EDGE	0 Cel		DUAL	20 MHz	R-PDSO-G20	5.25 V	2 mm	5.3 mm	Not Qualified	4.75 V		REGISTER/COUNTER OUTPUT SELECT; TCO OUTPUT; REGISTERED OUTPUTS		NOT SPECIFIED	NOT SPECIFIED	12.6 mm	LS
SN74ALS169AFN	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	BIDIRECTIONAL			0 Cel		QUAD		S-PQCC-J20				Not Qualified
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
JM38510/31504B2A	Texas Instruments	BINARY COUNTER	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED	YES	1		TTL	MIL-M-38510	4		TUBE	5			CHIP CARRIER		SYNCHRONOUS	27 ns	8 Amp		1.27 mm	125 Cel	UP		POSITIVE EDGE	-55 Cel	TIN LEAD	QUAD	25 MHz	S-CQCC-N20	5.5 V	2.03 mm	8.89 mm	Not Qualified	4.5 V	32 mA		e0			8.89 mm	LS
SN54LS692J	Texas Instruments	DECADE COUNTER	MILITARY	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	125 Cel	UP	3-STATE	POSITIVE EDGE	-55 Cel		DUAL		R-GDIP-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
SN54LS196FK	Texas Instruments	DECADE COUNTER	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED	YES	2		TTL		3	YES		5	5	15 pF	CHIP CARRIER	LCC20,.35SQ	ASYNCHRONOUS	62 ns		Counters	1.27 mm	125 Cel	UP		NEGATIVE EDGE	-55 Cel		QUAD	30 MHz	S-CQCC-N20	5.5 V	2.03 mm	8.89 mm	Not Qualified	4.5 V	27 mA	DIVIDE BY 2 AND DIVIDE BY 5 FUNCTIONS		NOT SPECIFIED	NOT SPECIFIED	8.89 mm	LS
SN74HC692N3	Texas Instruments	DECADE 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 SPECIFIED	NOT SPECIFIED
SN74ALS560ANP3	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
SN54LS696J	Texas Instruments	DECADE COUNTER	MILITARY	THROUGH-HOLE	20	DIP	RECTANGULAR	CERAMIC, METAL-SEALED COFIRED	NO	1		TTL		4	YES		5		45 pF	IN-LINE	DIP20,.3	SYNCHRONOUS	40 ns		Counters	2.54 mm	125 Cel	BIDIRECTIONAL	3-STATE	POSITIVE EDGE	-55 Cel		DUAL	20 MHz	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
5962-01-348-0143	Texas Instruments	BINARY COUNTER	MILITARY	THROUGH-HOLE	20	DIP	RECTANGULAR	CERAMIC	NO	1		TTL	38535Q/M;38534H;883B		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					NOT SPECIFIED	NOT SPECIFIED
SN74LS691N1	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
SN74LS69FN	Texas Instruments	BINARY COUNTER	COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY	YES	3		TTL		4	NO		5		30 pF	CHIP CARRIER	LDCC20,.4SQ	ASYNCHRONOUS	54 ns		Counters	1.27 mm	70 Cel	UP		NEGATIVE EDGE	0 Cel		QUAD	25 MHz	S-PQCC-J20	5.25 V	4.57 mm	8.9662 mm	Not Qualified	4.75 V	54 mA	DIVIDE BY 2, DIVIDE BY 8 AND DIVIDE BY 16 FUNCTIONS		NOT SPECIFIED	NOT SPECIFIED	8.9662 mm	LS
5962-3831503B2X	Texas Instruments	DECADE COUNTER	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED	YES	1		TTL		4	YES		5			CHIP CARRIER		SYNCHRONOUS	56 ns				125 Cel	UP		POSITIVE EDGE	-55 Cel		QUAD	22 MHz	S-CQCC-N20	5.5 V			Not Qualified	4.5 V							LS
SN74F569DW-00	Texas Instruments	BINARY COUNTER	COMMERCIAL	GULL WING	20	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1		TTL		4	YES		5			SMALL OUTLINE		SYNCHRONOUS	13 ns			1.27 mm	70 Cel	BIDIRECTIONAL	3-STATE	POSITIVE EDGE	0 Cel		DUAL	115 MHz	R-PDSO-G20	5.5 V	2.65 mm	7.5 mm	Not Qualified	4.5 V		TCO OUTPUT; CLOCKED CARRY OUTPUT				12.8 mm	F/FAST
SN74ALS561N1	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	UP	3-STATE		0 Cel		DUAL		R-PDIP-T20				Not Qualified
SN54AS160FKR	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	14 ns			1.27 mm	125 Cel	UP		POSITIVE EDGE	-55 Cel		QUAD	65 MHz	S-CQCC-N20	5.5 V	2.03 mm	8.89 mm	Not Qualified	4.5 V	53 mA	TCO OUTPUT				8.89 mm	AS
SN74ALS568ADWP3	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		0 Cel		DUAL		R-PDSO-G20									NOT SPECIFIED	NOT SPECIFIED
5962-86876012X	Texas Instruments	DECADE COUNTER	MILITARY	NO LEAD	20	QCCN	SQUARE	UNSPECIFIED	YES	1		TTL	MIL-STD-883	4	YES		5			CHIP CARRIER		SYNCHRONOUS	38 ns				125 Cel	BIDIRECTIONAL		POSITIVE EDGE	-55 Cel		QUAD	15 MHz	S-XQCC-N20	5.5 V			Not Qualified	4.5 V							LS
SN74LS697DWR	Texas Instruments	BINARY COUNTER	COMMERCIAL	GULL WING	20	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1		TTL		4	YES		5		45 pF	SMALL OUTLINE		SYNCHRONOUS	40 ns			1.27 mm	70 Cel	BIDIRECTIONAL	3-STATE	POSITIVE EDGE	0 Cel		DUAL	20 MHz	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				12.8 mm	LS
SN54AS161FK	Texas Instruments	BINARY COUNTER	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED	YES	1	65000000 Hz	TTL		4	YES		5	5	50 pF	CHIP CARRIER	LCC20,.35SQ	SYNCHRONOUS	14 ns	20 Amp	Counters	1.27 mm	125 Cel	UP		POSITIVE EDGE	-55 Cel		QUAD	65 MHz	S-CQCC-N20	5.5 V	2.03 mm	8.89 mm	Not Qualified	4.5 V	53 mA	TCO OUTPUT		NOT SPECIFIED	NOT SPECIFIED	8.89 mm	AS
SN74LS390FN	Texas Instruments	DECADE COUNTER	COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY	YES	4		TTL		3	NO		5	5	15 pF	CHIP CARRIER	LDCC20,.4SQ	ASYNCHRONOUS	60 ns		Counters	1.27 mm	70 Cel	UP		NEGATIVE EDGE	0 Cel		QUAD	25 MHz	S-PQCC-J20	5.25 V	4.57 mm	8.965 mm	Not Qualified	4.75 V	26 mA	DIVIDE BY 2 AND DIVIDE BY 5 FUNCTIONS		NOT SPECIFIED	NOT SPECIFIED	8.965 mm	LS
SN54AS161FKR	Texas Instruments	BINARY COUNTER	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED	YES	1		TTL		4	YES		5		50 pF	CHIP CARRIER		SYNCHRONOUS	14 ns			1.27 mm	125 Cel	UP		POSITIVE EDGE	-55 Cel		QUAD	65 MHz	S-CQCC-N20	5.5 V	2.03 mm	8.89 mm	Not Qualified	4.5 V	53 mA	TCO OUTPUT				8.89 mm	AS
SN74LS692JP4	Texas Instruments	DECADE COUNTER	COMMERCIAL	THROUGH-HOLE	20	DIP	RECTANGULAR	CERAMIC	NO	1		TTL			YES					IN-LINE	DIP20,.3	SYNCHRONOUS			Counters	2.54 mm	70 Cel	UP	3-STATE		0 Cel		DUAL		R-XDIP-T20									NOT SPECIFIED	NOT SPECIFIED
SN74S197FN3	Texas Instruments	BINARY COUNTER	COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1		TTL			YES					CHIP CARRIER	LDCC20,.4SQ	ASYNCHRONOUS			Counters	1.27 mm	70 Cel	UP			0 Cel		QUAD		S-PQCC-J20
SN74HC163FN	Texas Instruments	BINARY COUNTER	INDUSTRIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1		CMOS			YES			2/6		CHIP CARRIER	LDCC20,.4SQ	SYNCHRONOUS			Counters	1.27 mm	85 Cel	UP			-40 Cel		QUAD		S-PQCC-J20				Not Qualified					NOT SPECIFIED	NOT SPECIFIED
SN74LS68FN	Texas Instruments	DECADE COUNTER	COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY	YES	3		TTL		4	NO		5		30 pF	CHIP CARRIER	LDCC20,.4SQ	ASYNCHRONOUS	40 ns		Counters	1.27 mm	70 Cel	UP		NEGATIVE EDGE	0 Cel		QUAD	20 MHz	S-PQCC-J20	5.25 V	4.57 mm	8.9662 mm	Not Qualified	4.75 V	54 mA	DIVIDE BY 2, DIVIDE BY 5 AND DIVIDE BY 10 FUNCTIONS		NOT SPECIFIED	NOT SPECIFIED	8.9662 mm	LS
SN74LS698J	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	BIDIRECTIONAL	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
5962-01-321-0143	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	BIDIRECTIONAL	3-STATE		0 Cel		DUAL		R-PDIP-T20				Not Qualified					NOT SPECIFIED	NOT SPECIFIED
SN54ALS569AJ	Texas Instruments	BINARY COUNTER	MILITARY	THROUGH-HOLE	20	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	1		TTL		4		TUBE	5	5	50 pF	IN-LINE	DIP20,.3	SYNCHRONOUS	21 ns	24 Amp	Counters	2.54 mm	125 Cel	BIDIRECTIONAL	3-STATE	POSITIVE EDGE	-55 Cel	Tin/Lead (Sn/Pb)	DUAL	22 MHz	R-GDIP-T20	5.5 V	5.08 mm	7.62 mm	Not Qualified	4.5 V	32 mA	TCO OUTPUT; CLOCKED CARRY OUTPUT	e0	NOT SPECIFIED	NOT SPECIFIED	24.195 mm	ALS
SN74HC691N	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
SN74ALS193FN3	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	BIDIRECTIONAL			0 Cel		QUAD		S-PQCC-J20
SN54LS390FK	Texas Instruments	DECADE COUNTER	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED	YES	4		TTL		3	NO		5	5	15 pF	CHIP CARRIER	LCC20,.35SQ	ASYNCHRONOUS	60 ns		Counters	1.27 mm	125 Cel	UP		NEGATIVE EDGE	-55 Cel		QUAD	25 MHz	S-CQCC-N20	5.5 V	2.03 mm	8.89 mm	Not Qualified	4.5 V	26 mA	DIVIDE BY 2 AND DIVIDE BY 5 FUNCTIONS		NOT SPECIFIED	NOT SPECIFIED	8.89 mm	LS
SN54ALS162FH	Texas Instruments	DECADE COUNTER	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC	YES	1	25000000 Hz	TTL			YES		5	5		CHIP CARRIER	LCC20,.35SQ	SYNCHRONOUS			Counters	1.27 mm	125 Cel	UP			-55 Cel		QUAD		S-XQCC-N20				Not Qualified
SN74ALS568ANP1	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		0 Cel		DUAL		R-PDIP-T20				Not Qualified					NOT SPECIFIED	NOT SPECIFIED
SN54AS169AFK	Texas Instruments	BINARY COUNTER	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED	YES	1	65000000 Hz	TTL		4	YES		5	5	50 pF	CHIP CARRIER	LCC20,.35SQ	SYNCHRONOUS	14 ns	20 Amp	Counters	1.27 mm	125 Cel	BIDIRECTIONAL		POSITIVE EDGE	-55 Cel		QUAD	60 MHz	S-CQCC-N20	5.5 V	2.03 mm	8.89 mm	Not Qualified	4.5 V	63 mA	TCO OUTPUT		NOT SPECIFIED	NOT SPECIFIED	8.89 mm	AS
SN74ALS569N3	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		0 Cel		DUAL		R-PDIP-T20									NOT SPECIFIED	NOT SPECIFIED
SN74ALS560AFN3	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	UP	3-STATE		0 Cel		QUAD		S-PQCC-J20
SN54HC4020FK	Texas Instruments	BINARY COUNTER	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED	YES	1	19000000 Hz	CMOS		4	NO		5	2/6	50 pF	CHIP CARRIER	LCC20,.35SQ	ASYNCHRONOUS	225 ns	5.2 Amp	Counters	1.27 mm	125 Cel	UP		NEGATIVE EDGE	-55 Cel		QUAD	22 MHz	S-CQCC-N20	6 V	2.03 mm	8.89 mm	Not Qualified	2 V		OUTPUTS FROM 12 STAGES AVAILABLE		NOT SPECIFIED	NOT SPECIFIED	8.89 mm	HC/UH
SN54HC692FH	Texas Instruments	DECADE COUNTER	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC	YES	1		CMOS			YES		5	5		CHIP CARRIER	LCC20,.35SQ	SYNCHRONOUS			Counters	1.27 mm	125 Cel	BIDIRECTIONAL	3-STATE		-55 Cel		QUAD		S-XQCC-N20				Not Qualified					NOT SPECIFIED	NOT SPECIFIED
SN74LS692NP1	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
SN54ALS568FH	Texas Instruments	DECADE COUNTER	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC	YES	1		TTL			YES		5	5		CHIP CARRIER	LCC20,.35SQ	SYNCHRONOUS			Counters	1.27 mm	125 Cel	BIDIRECTIONAL	3-STATE		-55 Cel		QUAD		S-XQCC-N20				Not Qualified					NOT SPECIFIED	NOT SPECIFIED
SN74HC193FN3	Texas Instruments	BINARY COUNTER	INDUSTRIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1		CMOS			YES			2/6		CHIP CARRIER	LDCC20,.4SQ	SYNCHRONOUS			Counters	1.27 mm	85 Cel	BIDIRECTIONAL			-40 Cel		QUAD		S-PQCC-J20
SN54HC161FK	Texas Instruments	BINARY COUNTER	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED	YES	1	21000000 Hz	CMOS		4	YES		5	2/6	50 pF	CHIP CARRIER	LCC20,.35SQ	SYNCHRONOUS	310 ns	5.2 Amp	Counters	1.27 mm	125 Cel	UP		POSITIVE EDGE	-55 Cel		QUAD	25 MHz	S-CQCC-N20	6 V	2.03 mm	8.89 mm	Not Qualified	2 V		RCO OUTPUT		NOT SPECIFIED	NOT SPECIFIED	8.89 mm	HC/UH
SN74HC693N	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

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.