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	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
T74LS290B1	STMicroelectronics	DECADE COUNTER	COMMERCIAL	THROUGH-HOLE	14	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	2	32000000 Hz	TTL	3	YES	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 5 FUNCTIONS	e0				LS
T74LS161D1	STMicroelectronics	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				DUAL		R-XDIP-T16					Not Qualified		32 mA
T74LS162AB1	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
T74LS293B1	STMicroelectronics	DECADE COUNTER	COMMERCIAL	THROUGH-HOLE	14	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	2		TTL	3	YES	5	5	15 pF	IN-LINE	DIP14,.3	ASYNCHRONOUS	70 ns		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 5 FUNCTIONS	e0				LS
T74LS193M1	STMicroelectronics	BINARY COUNTER	COMMERCIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1	25000000 Hz	TTL	4	YES	5	5	15 pF	SMALL OUTLINE	SOP16,.4	SYNCHRONOUS	47 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	TCO UP AND TCO DOWN OUTPUTS; SEPARATE UP/DOWN CLOCK	e0			9.9 mm	LS
T74LS90D1	STMicroelectronics	DECADE COUNTER	COMMERCIAL	THROUGH-HOLE	14	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	2		TTL	3	YES	5	5	15 pF	IN-LINE	DIP14,.3	ASYNCHRONOUS	50 ns		Counters	2.54 mm	70 Cel	UP		NEGATIVE EDGE	TIN LEAD	DUAL	32 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	e0				LS
T74LS196M1	STMicroelectronics	DECADE COUNTER	COMMERCIAL	GULL WING	14	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	2	30000000 Hz	TTL	3	YES	5	5	15 pF	SMALL OUTLINE	SOP14,.25	ASYNCHRONOUS	62 ns	8 Amp	Counters	1.27 mm	70 Cel	UP		NEGATIVE EDGE	TIN LEAD	DUAL	30 MHz	R-PDSO-G14		5.25 V	1.75 mm	3.9 mm	Not Qualified	4.75 V	20 mA	DIVIDE BY 2 AND DIVIDE BY 5 FUNCTIONS	e0			8.65 mm	LS
T74LS290M1	STMicroelectronics	DECADE COUNTER	COMMERCIAL	GULL WING	14	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	2		TTL	3	YES	5		15 pF	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	15 mA	DIVIDE BY 2 AND DIVIDE BY 5 FUNCTIONS				8.65 mm	LS
T74LS197M1	STMicroelectronics	BINARY COUNTER	COMMERCIAL	GULL WING	14	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	2	30000000 Hz	TTL	3	YES	5	5	15 pF	SMALL OUTLINE	SOP14,.25	ASYNCHRONOUS	95 ns	8 Amp	Counters	1.27 mm	70 Cel	UP		NEGATIVE EDGE	TIN LEAD	DUAL	30 MHz	R-PDSO-G14		5.25 V	1.75 mm	3.9 mm	Not Qualified	4.75 V	20 mA	DIVIDE BY 2 AND DIVIDE BY 8 FUNCTIONS	e0			8.65 mm	LS
T74LS160C1	STMicroelectronics	DECADE COUNTER	COMMERCIAL	NO LEAD	20	QCCN	SQUARE	PLASTIC/EPOXY	YES	1	25000000 Hz	TTL		YES	5	5		CHIP CARRIER	LCC20,.35SQ	SYNCHRONOUS		8 Amp	Counters	1.27 mm	70 Cel	UP				QUAD		S-PQCC-N20					Not Qualified		32 mA
T74LS169M1	STMicroelectronics	BINARY COUNTER	COMMERCIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1	25000000 Hz	TTL	4	YES	5	5	15 pF	SMALL OUTLINE	SOP16,.25	SYNCHRONOUS	20 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	TCO OUTPUT	e0			9.9 mm	LS
T74LS161AM1	STMicroelectronics	BINARY COUNTER	COMMERCIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1	25000000 Hz	TTL	4	YES	5	5	15 pF	SMALL OUTLINE	SOP16,.25	SYNCHRONOUS	27 ns	8 Amp	Counters	1.27 mm	70 Cel	UP		POSITIVE EDGE		DUAL	25 MHz	R-PDSO-G16		5.25 V	1.75 mm	3.9 mm	Not Qualified	4.75 V	32 mA	TCO OUTPUT				9.9 mm	LS
T74LS160AM1	STMicroelectronics	DECADE COUNTER	COMMERCIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1	25000000 Hz	TTL	4	YES	5	5	15 pF	SMALL OUTLINE	SOP16,.25	SYNCHRONOUS	27 ns	8 Amp	Counters	1.27 mm	70 Cel	UP		POSITIVE EDGE		DUAL	25 MHz	R-PDSO-G16		5.25 V	1.75 mm	3.9 mm	Not Qualified	4.75 V	32 mA	TCO OUTPUT				9.9 mm	LS
T74LS569M1	STMicroelectronics	BINARY COUNTER	COMMERCIAL	GULL WING	20	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1	25000000 Hz	TTL		YES	5	5		SMALL OUTLINE	SOP20,.4	SYNCHRONOUS		24 Amp	Counters	1.27 mm	70 Cel	BIDIRECTIONAL	3-STATE			DUAL		R-PDSO-G20					Not Qualified		43 mA
T74LS163M1	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
T74LS490M1	STMicroelectronics	DECADE COUNTER	COMMERCIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	2		TTL	4	YES	5	5	15 pF	SMALL OUTLINE	SOP16,.25	ASYNCHRONOUS	54 ns		Counters	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	30 mA		e0			9.9 mm	LS
T74LS569B1	STMicroelectronics	BINARY COUNTER	COMMERCIAL	THROUGH-HOLE	20	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1	25000000 Hz	TTL		YES	5	5		IN-LINE	DIP20,.3	SYNCHRONOUS		24 Amp	Counters	2.54 mm	70 Cel	BIDIRECTIONAL	3-STATE			DUAL		R-PDIP-T20					Not Qualified		43 mA
T74LS162AM1	STMicroelectronics	DECADE COUNTER	COMMERCIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1	25000000 Hz	TTL	4	YES	5	5	15 pF	SMALL OUTLINE	SOP16,.25	SYNCHRONOUS	27 ns	8 Amp	Counters	1.27 mm	70 Cel	UP		POSITIVE EDGE		DUAL	25 MHz	R-PDSO-G16		5.25 V	1.75 mm	3.9 mm	Not Qualified	4.75 V	32 mA	TCO OUTPUT				9.9 mm	LS
T74LS160AC1	STMicroelectronics	DECADE COUNTER	COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1	25000000 Hz	TTL	4	YES	5	5	15 pF	CHIP CARRIER	LCC20,.35SQ	SYNCHRONOUS	27 ns	8 Amp	Counters	1.27 mm	70 Cel	UP		POSITIVE EDGE		QUAD	25 MHz	S-PQCC-J20		5.25 V	4.57 mm	8.9662 mm	Not Qualified	4.75 V	32 mA	TCO OUTPUT				8.9662 mm	LS
T74LS160M1	STMicroelectronics	DECADE 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
T74LS197B1	STMicroelectronics	BINARY COUNTER	COMMERCIAL	THROUGH-HOLE	14	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	2	30000000 Hz	TTL	3	YES	5	5	15 pF	IN-LINE	DIP14,.3	ASYNCHRONOUS	95 ns	8 Amp	Counters	2.54 mm	70 Cel	UP		NEGATIVE EDGE	TIN LEAD	DUAL	30 MHz	R-PDIP-T14		5.25 V	5.1 mm	7.62 mm	Not Qualified	4.75 V	20 mA	DIVIDE BY 2 AND DIVIDE BY 8 FUNCTIONS	e0				LS
T74LS163AB1	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	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		NOT SPECIFIED	NOT SPECIFIED		LS
T74LS168C1	STMicroelectronics	DECADE 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
T74LS192C1	STMicroelectronics	DECADE COUNTER	COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1		TTL	4	YES	5		15 pF	CHIP CARRIER		SYNCHRONOUS	47 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 UP AND TCO DOWN OUTPUTS; SEPARATE UP/DOWN CLOCK				8.9662 mm	LS
T74LS191M1	STMicroelectronics	BINARY COUNTER	COMMERCIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1		TTL	4	YES	5	5	15 pF	SMALL OUTLINE	SOP16,.25	SYNCHRONOUS	36 ns		Counters	1.27 mm	70 Cel	BIDIRECTIONAL		POSITIVE EDGE	TIN LEAD	DUAL	20 MHz	R-PDSO-G16		5.25 V	1.75 mm	3.9 mm	Not Qualified	4.75 V	35 mA	TCO OUTPUT	e0			9.9 mm	LS
T74LS168B1	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	20 ns	8 Amp	Counters	2.54 mm	70 Cel	BIDIRECTIONAL	3-STATE	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 OUTPUT	e0				LS
T74LS390M1	STMicroelectronics	DECADE COUNTER	COMMERCIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	4		TTL	3	NO	5	5	15 pF	SMALL OUTLINE	SOP16,.25	ASYNCHRONOUS	60 ns		Counters	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	30 mA	DIVIDE BY 2 AND DIVIDE BY 5 FUNCTIONS	e0			9.9 mm	LS
T74LS163AM1	STMicroelectronics	BINARY COUNTER	COMMERCIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1	25000000 Hz	TTL	4	YES	5	5	15 pF	SMALL OUTLINE	SOP16,.25	SYNCHRONOUS	27 ns	8 Amp	Counters	1.27 mm	70 Cel	UP		POSITIVE EDGE		DUAL	25 MHz	R-PDSO-G16		5.25 V	1.75 mm	3.9 mm	Not Qualified	4.75 V	32 mA	TCO OUTPUT				9.9 mm	LS
T74LS93C1	STMicroelectronics	BINARY 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 8 FUNCTIONS				8.9662 mm	LS
T74LS197D1	STMicroelectronics	BINARY COUNTER	COMMERCIAL	THROUGH-HOLE	14	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	2	30000000 Hz	TTL	3	YES	5	5	15 pF	IN-LINE	DIP14,.3	ASYNCHRONOUS	95 ns	8 Amp	Counters	2.54 mm	70 Cel	UP		NEGATIVE EDGE		DUAL	30 MHz	R-GDIP-T14	1	5.25 V	5.08 mm	7.62 mm	Not Qualified	4.75 V		DIVIDE BY 2 AND DIVIDE BY 8 FUNCTIONS					LS
T74LS568M1	STMicroelectronics	DECADE COUNTER	COMMERCIAL	GULL WING	20	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1	25000000 Hz	TTL		YES				SMALL OUTLINE	SOP20,.4	SYNCHRONOUS			Counters	1.27 mm	70 Cel	BIDIRECTIONAL	3-STATE			DUAL		R-PDSO-G20					Not Qualified
T74LS190D1	STMicroelectronics	DECADE 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
T74LS293D1	STMicroelectronics	DECADE COUNTER	COMMERCIAL	THROUGH-HOLE	14	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	2		TTL	3	YES	5	5	15 pF	IN-LINE	DIP14,.3	ASYNCHRONOUS	70 ns		Counters	2.54 mm	70 Cel	UP		NEGATIVE EDGE	TIN LEAD	DUAL	32 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	e0				LS
T74LS163AC1	STMicroelectronics	BINARY COUNTER	COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1	25000000 Hz	TTL	4	YES	5	5	15 pF	CHIP CARRIER	LCC20,.35SQ	SYNCHRONOUS	27 ns	8 Amp	Counters	1.27 mm	70 Cel	UP		POSITIVE EDGE		QUAD	25 MHz	S-PQCC-J20		5.25 V	4.57 mm	8.9662 mm	Not Qualified	4.75 V	32 mA	TCO OUTPUT				8.9662 mm	LS
T74LS196D1	STMicroelectronics	DECADE COUNTER	COMMERCIAL	THROUGH-HOLE	14	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	2	30000000 Hz	TTL	3	YES	5	5	15 pF	IN-LINE	DIP14,.3	ASYNCHRONOUS	62 ns	8 Amp	Counters	2.54 mm	70 Cel	UP		NEGATIVE EDGE		DUAL	30 MHz	R-GDIP-T14	1	5.25 V	5.08 mm	7.62 mm	Not Qualified	4.75 V		DIVIDE BY 2 AND DIVIDE BY 5 FUNCTIONS					LS
T74LS196C1	STMicroelectronics	DECADE COUNTER	COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY	YES	2		TTL	3	YES	5		15 pF	CHIP CARRIER		ASYNCHRONOUS	62 ns			1.27 mm	70 Cel	UP		NEGATIVE EDGE		QUAD	30 MHz	S-PQCC-J20		5.25 V	4.57 mm	8.9662 mm	Not Qualified	4.75 V		DIVIDE BY 2 AND DIVIDE BY 5 FUNCTIONS				8.9662 mm	LS
T74LS160B1	STMicroelectronics	DECADE COUNTER	COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1	25000000 Hz	TTL		YES	5	5		IN-LINE	DIP16,.3	SYNCHRONOUS		8 Amp	Counters	2.54 mm	70 Cel	UP				DUAL		R-PDIP-T16					Not Qualified		32 mA
T74LS190M1	STMicroelectronics	DECADE COUNTER	COMMERCIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1		TTL	4	YES	5		15 pF	SMALL OUTLINE		SYNCHRONOUS	36 ns			1.27 mm	70 Cel	BIDIRECTIONAL		POSITIVE EDGE		DUAL	20 MHz	R-PDSO-G16		5.25 V	1.75 mm	3.9 mm	Not Qualified	4.75 V	35 mA	TCO OUTPUT				9.9 mm	LS
T74LS162C1	STMicroelectronics	DECADE COUNTER	COMMERCIAL	NO LEAD	20	QCCN	SQUARE	PLASTIC/EPOXY	YES	1	25000000 Hz	TTL		YES	5	5		CHIP CARRIER	LCC20,.35SQ	SYNCHRONOUS		8 Amp	Counters	1.27 mm	70 Cel	UP				QUAD		S-PQCC-N20					Not Qualified		32 mA
T74LS162M1	STMicroelectronics	DECADE 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
T74LS162D1	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
T74LS393D1	STMicroelectronics	BINARY COUNTER	COMMERCIAL	THROUGH-HOLE	14	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	2	25000000 Hz	TTL	4	NO	5	5	15 pF	IN-LINE	DIP14,.3	ASYNCHRONOUS	60 ns	8 Amp	Counters	2.54 mm	70 Cel	UP		NEGATIVE EDGE	TIN LEAD	DUAL	25 MHz	R-GDIP-T14		5.25 V	5.08 mm	7.62 mm	Not Qualified	4.75 V	30 mA		e0				LS
T74LS569D1	STMicroelectronics	BINARY COUNTER	COMMERCIAL	THROUGH-HOLE	20	DIP	RECTANGULAR	CERAMIC	NO	1	25000000 Hz	TTL		YES	5	5		IN-LINE	DIP20,.3	SYNCHRONOUS		24 Amp	Counters	2.54 mm	70 Cel	BIDIRECTIONAL	3-STATE			DUAL		R-XDIP-T20					Not Qualified		43 mA
T74LS393B1	STMicroelectronics	BINARY COUNTER	COMMERCIAL	THROUGH-HOLE	14	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	2	25000000 Hz	TTL	4	NO	5	5	15 pF	IN-LINE	DIP14,.3	ASYNCHRONOUS	60 ns	8 Amp	Counters	2.54 mm	70 Cel	UP		NEGATIVE EDGE	TIN LEAD	DUAL	25 MHz	R-PDIP-T14		5.5 V	5.1 mm	7.62 mm	Not Qualified	4.75 V	30 mA		e0				LS
T74LS162AC1	STMicroelectronics	DECADE COUNTER	COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1	25000000 Hz	TTL	4	YES	5	5	15 pF	CHIP CARRIER	LCC20,.35SQ	SYNCHRONOUS	27 ns	8 Amp	Counters	1.27 mm	70 Cel	UP		POSITIVE EDGE		QUAD	25 MHz	S-PQCC-J20		5.25 V	4.57 mm	8.9662 mm	Not Qualified	4.75 V	32 mA	TCO OUTPUT				8.9662 mm	LS
T74LS290C1	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
T74LS161AC1	STMicroelectronics	BINARY COUNTER	COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1	25000000 Hz	TTL	4	YES	5	5	15 pF	CHIP CARRIER	LCC20,.35SQ	SYNCHRONOUS	27 ns	8 Amp	Counters	1.27 mm	70 Cel	UP		POSITIVE EDGE		QUAD	25 MHz	S-PQCC-J20		5.25 V	4.57 mm	8.9662 mm	Not Qualified	4.75 V	32 mA	TCO OUTPUT				8.9662 mm	LS
T74LS92C1	STMicroelectronics	DIVIDE BY 12 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 6 FUNCTIONS				8.9662 mm	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.