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
SN74LS393MEL	Onsemi	BINARY COUNTER	COMMERCIAL	GULL WING	14	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	2	20000000 Hz	TTL	4	NO	TR	5	5		SMALL OUTLINE	SOP14,.3	ASYNCHRONOUS	60 ns	4 Amp	Counters	1.27 mm	70 Cel	UP		NEGATIVE EDGE	NICKEL PALLADIUM GOLD	DUAL	25 MHz	R-PDSO-G14		5.25 V	2.05 mm	5.275 mm	Not Qualified	4.75 V	26 mA		e4			10.2 mm	LS
SN74LS161AML1	Onsemi	BINARY COUNTER	COMMERCIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1	25000000 Hz	TTL		YES	TR	5	5		SMALL OUTLINE	SOP16,.3	SYNCHRONOUS		8 Amp	Counters	1.27 mm	70 Cel	UP			Nickel/Palladium/Gold (Ni/Pd/Au)	DUAL		R-PDSO-G16					Not Qualified		32 mA		e4
SN74LS160ADR2	Onsemi	DECADE COUNTER	COMMERCIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1	25000000 Hz	TTL	4	YES	TR	5	5		SMALL OUTLINE	SOP16,.25	SYNCHRONOUS	27 ns	8 Amp	Counters	1.27 mm	70 Cel	UP		POSITIVE EDGE	TIN LEAD	DUAL	25 MHz	R-PDSO-G16		5.25 V	1.75 mm	3.9 mm	Not Qualified	4.75 V	32 mA		e0			9.9 mm	LS
SN74LS161AML2	Onsemi	BINARY COUNTER	COMMERCIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1	25000000 Hz	TTL		YES	TR	5	5		SMALL OUTLINE	SOP16,.3	SYNCHRONOUS		8 Amp	Counters	1.27 mm	70 Cel	UP			Tin/Lead (Sn/Pb)	DUAL		R-PDSO-G16					Not Qualified		32 mA		e0
SN74LS168D	Onsemi	DECADE COUNTER	COMMERCIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1	25000000 Hz	TTL	4	YES		5	5		SMALL OUTLINE	SOP16,.25	SYNCHRONOUS	23 ns	8 Amp	Counters	1.27 mm	70 Cel	BIDIRECTIONAL	3-STATE	POSITIVE EDGE	TIN LEAD	DUAL	25 MHz	R-PDSO-G16		5.25 V	1.75 mm	3.9 mm	Not Qualified	4.75 V	34 mA		e0			9.9 mm	LS
SN74LS93DR2	Onsemi	BINARY COUNTER	COMMERCIAL	GULL WING	14	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	2	32000000 Hz	TTL	3	NO	TR	5	5		SMALL OUTLINE	SOP14,.25	ASYNCHRONOUS	70 ns	8 Amp	Counters	1.27 mm	70 Cel	UP		NEGATIVE EDGE	TIN LEAD	DUAL	32 MHz	R-PDSO-G14		5.25 V	1.75 mm	3.9 mm	Not Qualified	4.75 V	15 mA	ONE FUNCTION HAS 1 BIT	e0			8.65 mm	LS
SN74LS92DR2	Onsemi	DIVIDE BY 12 COUNTER	COMMERCIAL	GULL WING	14	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	2		TTL	3	YES		5			SMALL OUTLINE		ASYNCHRONOUS	50 ns			1.27 mm	70 Cel	UP		NEGATIVE EDGE		DUAL	32 MHz	R-PDSO-G14		5.25 V	1.75 mm	3.9 mm	Not Qualified	4.75 V		ONE FUNCTION HAS 1 BIT				8.65 mm	LS
SN74LS393M	Onsemi	BINARY COUNTER	COMMERCIAL	GULL WING	14	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	2	20000000 Hz	TTL	4	NO		5	5		SMALL OUTLINE	SOP14,.3	ASYNCHRONOUS	60 ns	4 Amp	Counters	1.27 mm	70 Cel	UP		NEGATIVE EDGE	NICKEL PALLADIUM GOLD	DUAL	25 MHz	R-PDSO-G14		5.25 V	2.05 mm	5.275 mm	Not Qualified	4.75 V	26 mA		e4			10.2 mm	LS
SN74LS393DR2	Onsemi	BINARY COUNTER	COMMERCIAL	GULL WING	14	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	2	25000000 Hz	TTL	4	NO	TR	5	5		SMALL OUTLINE	SOP14,.25	ASYNCHRONOUS	60 ns	8 Amp	Counters	1.27 mm	70 Cel	UP		NEGATIVE EDGE	TIN LEAD	DUAL	25 MHz	R-PDSO-G14	1	5.25 V	1.75 mm	3.9 mm	Not Qualified	4.75 V	26 mA		e0		235	8.65 mm	LS
SN74LS161AMR1	Onsemi	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	NICKEL PALLADIUM GOLD	DUAL	25 MHz	R-PDSO-G16		5.25 V	2.05 mm	5.275 mm	Not Qualified	4.75 V	32 mA		e4			10.2 mm	LS
SN74LS162ADR2	Onsemi	DECADE COUNTER	COMMERCIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1	25000000 Hz	TTL	4	YES	TR	5	5		SMALL OUTLINE	SOP16,.25	SYNCHRONOUS	27 ns	8 Amp	Counters	1.27 mm	70 Cel	UP		POSITIVE EDGE	TIN LEAD	DUAL	25 MHz	R-PDSO-G16		5.25 V	1.75 mm	3.9 mm	Not Qualified	4.75 V	32 mA		e0			9.9 mm	LS
SN74LS163ADR2	Onsemi	BINARY COUNTER	COMMERCIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1	25000000 Hz	TTL	4	YES	TR	5	5		SMALL OUTLINE	SOP16,.25	SYNCHRONOUS	27 ns	8 Amp	Counters	1.27 mm	70 Cel	UP		POSITIVE EDGE	TIN LEAD	DUAL	25 MHz	R-PDSO-G16		5.25 V	1.75 mm	3.9 mm	Not Qualified	4.75 V	32 mA		e0		235	9.9 mm	LS
SN74LS161AM	Onsemi	BINARY COUNTER	COMMERCIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1	25000000 Hz	TTL	4	YES		5	5		SMALL OUTLINE	SOP16,.3	SYNCHRONOUS	27 ns	8 Amp	Counters	1.27 mm	70 Cel	UP		POSITIVE EDGE	NICKEL PALLADIUM GOLD	DUAL	25 MHz	R-PDSO-G16		5.25 V	2.05 mm	5.275 mm	Not Qualified	4.75 V	32 mA		e4			10.2 mm	LS
SN74LS161ADR2	Onsemi	BINARY COUNTER	COMMERCIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1	25000000 Hz	TTL	4	YES	TR	5	5		SMALL OUTLINE	SOP16,.25	SYNCHRONOUS	27 ns	8 Amp	Counters	1.27 mm	70 Cel	UP		POSITIVE EDGE	TIN LEAD	DUAL	25 MHz	R-PDSO-G16		5.25 V	1.75 mm	3.9 mm	Not Qualified	4.75 V	32 mA		e0		235	9.9 mm	LS
SN74LS90DR2	Onsemi	DECADE COUNTER	COMMERCIAL	GULL WING	14	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	2	32000000 Hz	TTL	3	YES	TR	5	5		SMALL OUTLINE	SOP14,.25	ASYNCHRONOUS	50 ns	8 Amp	Counters	1.27 mm	70 Cel	UP		NEGATIVE EDGE	TIN LEAD	DUAL	32 MHz	R-PDSO-G14		5.25 V	1.75 mm	3.9 mm	Not Qualified	4.75 V	15 mA	ONE FUNCTION HAS 1 BIT	e0			8.65 mm	LS
SN74LS290DR2	Onsemi	DECADE COUNTER	COMMERCIAL	GULL WING	14	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	2	32000000 Hz	TTL	3	YES	TR	5	5		SMALL OUTLINE	SOP14,.25	ASYNCHRONOUS	50 ns	8 Amp	Counters	1.27 mm	70 Cel	UP		NEGATIVE EDGE	TIN LEAD	DUAL	32 MHz	R-PDSO-G14		5.25 V	1.75 mm	3.9 mm	Not Qualified	4.75 V	15 mA	ONE FUNCTION HAS 1 BIT	e0			8.65 mm	LS
SN74LS169DR2	Onsemi	BINARY COUNTER	COMMERCIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1		TTL	4	YES		5			SMALL OUTLINE		SYNCHRONOUS	23 ns			1.27 mm	70 Cel	BIDIRECTIONAL		POSITIVE EDGE	TIN LEAD	DUAL	25 MHz	R-PDSO-G16		5.25 V	1.75 mm	3.9 mm	Not Qualified	4.75 V			e0			9.9 mm	LS
SN74LS163AMR1	Onsemi	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	NICKEL PALLADIUM GOLD	DUAL	25 MHz	R-PDSO-G16		5.25 V	2.05 mm	5.275 mm	Not Qualified	4.75 V	32 mA		e4			10.2 mm	LS
SN74LS390DR2	Onsemi	DECADE COUNTER	COMMERCIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	2		TTL	4	YES		5			SMALL OUTLINE		ASYNCHRONOUS	60 ns			1.27 mm	70 Cel	UP		NEGATIVE EDGE	TIN LEAD	DUAL	25 MHz	R-PDSO-G16		5.25 V	1.75 mm	3.9 mm	Not Qualified	4.75 V			e0			9.9 mm	LS
SN74LS193DR2	Onsemi	BINARY COUNTER	COMMERCIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1	25000000 Hz	TTL	4	YES	TR	5	5		SMALL OUTLINE	SOP16,.25	SYNCHRONOUS	47 ns	8 Amp	Counters	1.27 mm	70 Cel	BIDIRECTIONAL		POSITIVE EDGE	TIN LEAD	DUAL	25 MHz	R-PDSO-G16	1	5.25 V	1.75 mm	3.9 mm	Not Qualified	4.75 V	34 mA		e0		235	9.9 mm	LS
SN74LS290DR2G	Onsemi	DECADE COUNTER	COMMERCIAL	GULL WING	14	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	2		TTL	3	YES		5			SMALL OUTLINE		ASYNCHRONOUS	50 ns			1.27 mm	70 Cel	UP		NEGATIVE EDGE		DUAL	32 MHz	R-PDSO-G14		5.25 V	1.75 mm	3.9 mm	Not Qualified	4.75 V		DIVIDE BY 2 AND DIVIDE BY 5 FUNCTIONS		NOT SPECIFIED	NOT SPECIFIED	8.65 mm	LS
SN74LS393MR1	Onsemi	BINARY COUNTER	COMMERCIAL	GULL WING	14	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	2	20000000 Hz	TTL	4	NO	TR	5	5		SMALL OUTLINE	SOP14,.3	ASYNCHRONOUS	60 ns	4 Amp	Counters	1.27 mm	70 Cel	UP		NEGATIVE EDGE	TIN LEAD	DUAL	25 MHz	R-PDSO-G14		5.25 V	2.05 mm	5.275 mm	Not Qualified	4.75 V	26 mA		e0			10.2 mm	LS
SN74LS169D	Onsemi	BINARY COUNTER	COMMERCIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1	25000000 Hz	TTL	4	YES		5	5		SMALL OUTLINE	SOP16,.25	SYNCHRONOUS	23 ns	8 Amp	Counters	1.27 mm	70 Cel	BIDIRECTIONAL		POSITIVE EDGE	TIN LEAD	DUAL	25 MHz	R-PDSO-G16		5.25 V	1.75 mm	3.9 mm	Not Qualified	4.75 V	34 mA		e0			9.9 mm	LS
SN74LS192DR2	Onsemi	DECADE COUNTER	COMMERCIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1		TTL	4	YES		5			SMALL OUTLINE		SYNCHRONOUS	47 ns			1.27 mm	70 Cel	BIDIRECTIONAL		POSITIVE EDGE	TIN LEAD	DUAL	25 MHz	R-PDSO-G16		5.25 V	1.75 mm	3.9 mm	Not Qualified	4.75 V			e0			9.9 mm	LS
SN74LS163AM	Onsemi	BINARY COUNTER	COMMERCIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1	25000000 Hz	TTL	4	YES		5	5		SMALL OUTLINE	SOP16,.3	SYNCHRONOUS	27 ns	8 Amp	Counters	1.27 mm	70 Cel	UP		POSITIVE EDGE	NICKEL PALLADIUM GOLD	DUAL	25 MHz	R-PDSO-G16	1	5.25 V	2.05 mm	5.275 mm	Not Qualified	4.75 V	32 mA		e4			10.2 mm	LS
SN74LS168DR2	Onsemi	DECADE COUNTER	COMMERCIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1		TTL	4	YES		5			SMALL OUTLINE		SYNCHRONOUS	23 ns			1.27 mm	70 Cel	BIDIRECTIONAL		POSITIVE EDGE	TIN LEAD	DUAL	25 MHz	R-PDSO-G16		5.25 V	1.75 mm	3.9 mm	Not Qualified	4.75 V			e0			9.9 mm	LS
SN74LS163AML1	Onsemi	BINARY COUNTER	COMMERCIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1	25000000 Hz	TTL		YES	TR	5	5		SMALL OUTLINE	SOP16,.3	SYNCHRONOUS		8 Amp	Counters	1.27 mm	70 Cel	UP			Tin/Lead (Sn/Pb)	DUAL		R-PDSO-G16					Not Qualified		32 mA		e0
SN74LS161AMEL	Onsemi	BINARY COUNTER	COMMERCIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1	25000000 Hz	TTL	4	YES		5	5		SMALL OUTLINE	SOP16,.3	SYNCHRONOUS	27 ns	8 Amp	Counters	1.27 mm	70 Cel	UP		POSITIVE EDGE	NICKEL PALLADIUM GOLD	DUAL	25 MHz	R-PDSO-G16		5.25 V	2.05 mm	5.275 mm	Not Qualified	4.75 V	32 mA		e4			10.2 mm	LS
T74LS92D1	STMicroelectronics	DIVIDE BY 12 COUNTER	COMMERCIAL	THROUGH-HOLE	14	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	2	16000000 Hz	TTL	3	NO		5	5	15 pF	IN-LINE	DIP14,.3	ASYNCHRONOUS	50 ns	8 Amp	Counters	2.54 mm	70 Cel	UP		NEGATIVE EDGE		DUAL	32 MHz	R-GDIP-T14	1	5.25 V	5.08 mm	7.62 mm	Not Qualified	4.75 V	15 mA	DIVIDE BY 2 AND DIVIDE BY 6 FUNCTIONS					LS
T74LS293M1	STMicroelectronics	DECADE COUNTER	COMMERCIAL	GULL WING	14	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	2		TTL	3	YES		5	5	15 pF	SMALL OUTLINE	SOP14,.25	ASYNCHRONOUS	70 ns		Counters	1.27 mm	70 Cel	UP		NEGATIVE EDGE	TIN LEAD	DUAL	32 MHz	R-PDSO-G14		5.25 V	1.75 mm	3.9 mm	Not Qualified	4.75 V	15 mA	DIVIDE BY 2 AND DIVIDE BY 5 FUNCTIONS	e0			8.65 mm	LS
T74LS92B1	STMicroelectronics	DIVIDE BY 12 COUNTER	COMMERCIAL	THROUGH-HOLE	14	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	2	16000000 Hz	TTL	3	NO		5	5	15 pF	IN-LINE	DIP14,.3	ASYNCHRONOUS	50 ns	8 Amp	Counters	2.54 mm	70 Cel	UP		NEGATIVE EDGE	TIN LEAD	DUAL	32 MHz	R-PDIP-T14		5.25 V	5.1 mm	7.62 mm	Not Qualified	4.75 V	15 mA	DIVIDE BY 2 AND DIVIDE BY 6 FUNCTIONS	e0				LS
T74LS568B1	STMicroelectronics	DECADE COUNTER	COMMERCIAL	THROUGH-HOLE	20	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1	25000000 Hz	TTL		YES					IN-LINE	DIP20,.3	SYNCHRONOUS			Counters	2.54 mm	70 Cel	BIDIRECTIONAL	3-STATE			DUAL		R-PDIP-T20					Not Qualified
T74LS193B1	STMicroelectronics	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	47 ns	8 Amp	Counters	2.54 mm	70 Cel	BIDIRECTIONAL		POSITIVE EDGE	TIN LEAD	DUAL	25 MHz	R-PDIP-T16		5.25 V	5.1 mm	7.62 mm	Not Qualified	4.75 V	34 mA	TCO UP AND TCO DOWN OUTPUTS; SEPARATE UP/DOWN CLOCK	e0				LS
T74LS191D1	STMicroelectronics	BINARY COUNTER	COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	1	20000000 Hz	TTL	4	YES		5	5	15 pF	IN-LINE	DIP16,.3	SYNCHRONOUS	36 ns	8 Amp	Counters	2.54 mm	70 Cel	BIDIRECTIONAL		POSITIVE EDGE		DUAL	20 MHz	R-GDIP-T16	1	5.25 V	5.08 mm	7.62 mm	Not Qualified	4.75 V	35 mA	TCO OUTPUT					LS
T74LS90M1	STMicroelectronics	DECADE COUNTER	COMMERCIAL	GULL WING	14	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	2		TTL	3	YES		5	5	15 pF	SMALL OUTLINE	SOP14,.25	ASYNCHRONOUS	50 ns		Counters	1.27 mm	70 Cel	UP		NEGATIVE EDGE	TIN LEAD	DUAL	32 MHz	R-PDSO-G14		5.25 V	1.75 mm	3.9 mm	Not Qualified	4.75 V	15 mA	DIVIDE BY 2 AND DIVIDE BY 5 FUNCTIONS	e0			8.65 mm	LS
T74LS569C1	STMicroelectronics	BINARY COUNTER	COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1	25000000 Hz	TTL		YES		5	5		CHIP CARRIER	LDCC20,.4SQ	SYNCHRONOUS		24 Amp	Counters	1.27 mm	70 Cel	BIDIRECTIONAL	3-STATE			QUAD		S-PQCC-J20					Not Qualified		43 mA
T74LS568D1	STMicroelectronics	DECADE COUNTER	COMMERCIAL	THROUGH-HOLE	20	DIP	RECTANGULAR	CERAMIC	NO	1	25000000 Hz	TTL		YES					IN-LINE	DIP20,.3	SYNCHRONOUS			Counters	2.54 mm	70 Cel	BIDIRECTIONAL	3-STATE			DUAL		R-XDIP-T20					Not Qualified
T74LS192D1	STMicroelectronics	DECADE 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	47 ns	8 Amp	Counters	2.54 mm	70 Cel	BIDIRECTIONAL		POSITIVE EDGE		DUAL	25 MHz	R-GDIP-T16	1	5.25 V	5.08 mm	7.62 mm	Not Qualified	4.75 V	34 mA	TCO UP AND TCO DOWN OUTPUTS; SEPARATE UP/DOWN CLOCK					LS
T74LS163D1	STMicroelectronics	BINARY COUNTER	COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC	NO	1	25000000 Hz	TTL	4	YES		5	5		IN-LINE	DIP16,.3	SYNCHRONOUS		8 Amp	Counters	2.54 mm	70 Cel	UP		POSITIVE EDGE		DUAL		R-XDIP-T16					Not Qualified		32 mA						LS
T74LS161M1	STMicroelectronics	BINARY COUNTER	COMMERCIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1	25000000 Hz	TTL		YES		5	5		SMALL OUTLINE	SOP16,.25	SYNCHRONOUS		8 Amp	Counters	1.27 mm	70 Cel	UP				DUAL		R-PDSO-G16					Not Qualified		32 mA
T74LS90C1	STMicroelectronics	DECADE COUNTER	COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY	YES	2		TTL	3	YES		5		15 pF	CHIP CARRIER		ASYNCHRONOUS	50 ns			1.27 mm	70 Cel	UP		NEGATIVE EDGE		QUAD	32 MHz	S-PQCC-J20		5.25 V	4.57 mm	8.9662 mm	Not Qualified	4.75 V	15 mA	DIVIDE BY 2 AND DIVIDE BY 5 FUNCTIONS				8.9662 mm	LS
T74LS293C1	STMicroelectronics	DECADE COUNTER	COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY	YES	2		TTL	3	YES		5		15 pF	CHIP CARRIER		ASYNCHRONOUS	70 ns			1.27 mm	70 Cel	UP		NEGATIVE EDGE		QUAD	32 MHz	S-PQCC-J20		5.25 V	4.57 mm	8.9662 mm	Not Qualified	4.75 V	15 mA	DIVIDE BY 2 AND DIVIDE BY 5 FUNCTIONS				8.9662 mm	LS
T74LS169C1	STMicroelectronics	BINARY COUNTER	COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1		TTL	4	YES		5		15 pF	CHIP CARRIER		SYNCHRONOUS	20 ns			1.27 mm	70 Cel	BIDIRECTIONAL		POSITIVE EDGE		QUAD	25 MHz	S-PQCC-J20		5.25 V	4.57 mm	8.9662 mm	Not Qualified	4.75 V	34 mA	TCO OUTPUT				8.9662 mm	LS
T74LS193D1	STMicroelectronics	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	47 ns	8 Amp	Counters	2.54 mm	70 Cel	BIDIRECTIONAL		POSITIVE EDGE	TIN LEAD	DUAL	25 MHz	R-GDIP-T16		5.25 V	5.08 mm	7.62 mm	Not Qualified	4.75 V	34 mA	TCO UP AND TCO DOWN OUTPUTS; SEPARATE UP/DOWN CLOCK	e0				LS
T74LS191C1	STMicroelectronics	BINARY COUNTER	COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1		TTL	4	YES		5		15 pF	CHIP CARRIER		SYNCHRONOUS	36 ns			1.27 mm	70 Cel	BIDIRECTIONAL		POSITIVE EDGE		QUAD	20 MHz	S-PQCC-J20		5.25 V	4.57 mm	8.9662 mm	Not Qualified	4.75 V	35 mA	TCO OUTPUT				8.9662 mm	LS
T74LS160D1	STMicroelectronics	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
T74LS393C1	STMicroelectronics	BINARY COUNTER	COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY	YES	2		TTL	4	YES		5		15 pF	CHIP CARRIER		ASYNCHRONOUS	60 ns			1.27 mm	70 Cel	UP		NEGATIVE EDGE		QUAD	25 MHz	S-PQCC-J20		5.25 V	4.57 mm	8.9662 mm	Not Qualified	4.75 V	30 mA					8.9662 mm	LS
T74LS160AB1	STMicroelectronics	DECADE 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	27 ns	8 Amp	Counters	2.54 mm	70 Cel	UP		POSITIVE EDGE		DUAL	25 MHz	R-PDIP-T16		5.25 V	5.1 mm	7.62 mm	Not Qualified	4.75 V	32 mA	TCO OUTPUT					LS

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.