QCCJ Digital Counters 323

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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	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
SN74ALS569AFN-00	Texas Instruments	BINARY 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	30 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
SN74ALS169AFN-00	Texas Instruments	BINARY 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		POSITIVE EDGE	0 Cel	QUAD	30 MHz	S-PQCC-J20	5.5 V	4.57 mm	8.9662 mm	Not Qualified	4.5 V	25 mA	TCO OUTPUT			8.9662 mm	ALS
SN74AS168AFN	Texas Instruments	DECADE COUNTER	COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1		TTL		YES				CHIP CARRIER	LDCC20,.4SQ	SYNCHRONOUS			Counters	1.27 mm	70 Cel	BIDIRECTIONAL			0 Cel	QUAD		S-PQCC-J20				Not Qualified
SN74LS293FN	Texas Instruments	BINARY COUNTER	COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY	YES	2		TTL	3	NO	5	5		CHIP CARRIER	LDCC20,.4SQ	ASYNCHRONOUS	51 ns		Counters	1.27 mm	70 Cel	UP		NEGATIVE EDGE	0 Cel	QUAD	16 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	NOT SPECIFIED	NOT SPECIFIED	8.9662 mm	LS
SN74ALS160AFN	Texas Instruments	DECADE COUNTER	COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1	30000000 Hz	TTL		YES	5	5		CHIP CARRIER	LDCC20,.4SQ	SYNCHRONOUS			Counters	1.27 mm	70 Cel	UP			0 Cel	QUAD		S-PQCC-J20				Not Qualified
SN74LS692FN	Texas Instruments	DECADE COUNTER	COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1		TTL	4	YES	5		45 pF	CHIP CARRIER	LDCC20,.4SQ	SYNCHRONOUS	25 ns		Counters	1.27 mm	70 Cel	UP	3-STATE	POSITIVE EDGE	0 Cel	QUAD		S-PQCC-J20	5.25 V	4.57 mm	8.9662 mm	Not Qualified	4.75 V	70 mA	REGISTER/COUNTER OUTPUT SELECT; TCO OUTPUT; REGISTERED OUTPUTS	NOT SPECIFIED	NOT SPECIFIED	8.9662 mm	LS
SN74HC4022FN3	Texas Instruments	DIVIDE BY 8 COUNTER	COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1	25000000 Hz	CMOS		NO	5	5	50 pF	CHIP CARRIER	LDCC20,.4SQ	SYNCHRONOUS			Counters	1.27 mm	70 Cel	UP			0 Cel	QUAD		S-PQCC-J20								NOT SPECIFIED	NOT SPECIFIED
SN74ALS569AFN3	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	3-STATE		0 Cel	QUAD		S-PQCC-J20								NOT SPECIFIED	NOT SPECIFIED
SN74LS591FN3	Texas Instruments	BINARY COUNTER	COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1		TTL		NO				CHIP CARRIER	LDCC20,.4SQ	ASYNCHRONOUS			Counters	1.27 mm	70 Cel	UP	3-STATE		0 Cel	QUAD		S-PQCC-J20								NOT SPECIFIED	NOT SPECIFIED
SN74LS163AFN	Texas Instruments	BINARY COUNTER	COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1		TTL	4	YES	5	5	15 pF	CHIP CARRIER	LDCC20,.4SQ	SYNCHRONOUS	27 ns		Counters	1.27 mm	70 Cel	UP		POSITIVE EDGE	0 Cel	QUAD	25 MHz	S-PQCC-J20	5.25 V	4.57 mm	8.9662 mm	Not Qualified	4.75 V	32 mA	TCO OUTPUT	NOT SPECIFIED	NOT SPECIFIED	8.9662 mm	LS
SN74ALS168AFN-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		POSITIVE EDGE	0 Cel	QUAD	30 MHz	S-PQCC-J20	5.5 V	4.57 mm	8.9662 mm	Not Qualified	4.5 V	25 mA	TCO OUTPUT			8.9662 mm	ALS
SN74AS869FN	Texas Instruments	BINARY COUNTER	COMMERCIAL	J BEND	28	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1		TTL		YES	5	5		CHIP CARRIER	LDCC28,.5SQ	SYNCHRONOUS			Counters	1.27 mm	70 Cel	BIDIRECTIONAL			0 Cel	QUAD		S-PQCC-J28				Not Qualified
SN74LS592FN3	Texas Instruments	BINARY COUNTER	COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1		TTL		NO				CHIP CARRIER	LDCC20,.4SQ	SYNCHRONOUS			Counters	1.27 mm	70 Cel	UP			0 Cel	QUAD		S-PQCC-J20								NOT SPECIFIED	NOT SPECIFIED
SN74LS393FN	Texas Instruments	BINARY COUNTER	COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY	YES	2		TTL	4	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	8.9662 mm	Not Qualified	4.75 V	26 mA		NOT SPECIFIED	NOT SPECIFIED	8.9662 mm	LS
SN74AS169FN-00	Texas Instruments	BINARY 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	BIDIRECTIONAL		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
SN74ALS160AFN-00	Texas Instruments	DECADE COUNTER	COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1		TTL	4	YES	5		50 pF	CHIP CARRIER		SYNCHRONOUS	17 ns			1.27 mm	70 Cel	UP		POSITIVE EDGE	0 Cel	QUAD	30 MHz	S-PQCC-J20	5.5 V	4.57 mm	8.9662 mm	Not Qualified	4.5 V	21 mA	TCO OUTPUT			8.9662 mm	ALS
SN74ALS561AFN	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	UP	3-STATE		0 Cel	QUAD		S-PQCC-J20				Not Qualified
SN74ALS168BFN3	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
SN74HC161FN	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
SN74LS591FN	Texas Instruments	BINARY COUNTER	COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1		TTL	8	NO	5		45 pF	CHIP CARRIER	LDCC20,.4SQ	ASYNCHRONOUS	42 ns		Counters	1.27 mm	70 Cel	UP	OPEN-COLLECTOR	POSITIVE EDGE	0 Cel	QUAD	20 MHz	S-PQCC-J20	5.25 V	4.57 mm	8.9662 mm	Not Qualified	4.75 V	65 mA	TCO OUTPUT; COUNT ENABLE INPUT	NOT SPECIFIED	NOT SPECIFIED	8.9662 mm	LS
SN74LS192FN3	Texas Instruments	DECADE COUNTER	COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY	YES	2	25000000 Hz	TTL		YES	5	5		CHIP CARRIER	LDCC20,.4SQ	SYNCHRONOUS		8 Amp	Counters	1.27 mm	70 Cel	BIDIRECTIONAL			0 Cel	QUAD		S-PQCC-J20						34 mA
SN74HC390FN	Texas Instruments		INDUSTRIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY	YES	2		CMOS		NO		2/6		CHIP CARRIER	LDCC20,.4SQ	ASYNCHRONOUS			Counters	1.27 mm	85 Cel	UP			-40 Cel	QUAD		S-PQCC-J20				Not Qualified
SN74AS161FN-00	Texas Instruments	BINARY 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
SN74S163FN3	Texas Instruments	BINARY COUNTER	COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1		TTL		YES				CHIP CARRIER	LDCC20,.4SQ	SYNCHRONOUS			Counters	1.27 mm	70 Cel	UP			0 Cel	QUAD		S-PQCC-J20
SN74LS191FN3	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
SN74LS169BFN	Texas Instruments	BINARY COUNTER	COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1	20000000 Hz	TTL	4	YES	5	5	45 pF	CHIP CARRIER	LDCC20,.4SQ	SYNCHRONOUS	25 ns	24 Amp	Counters	1.27 mm	70 Cel	BIDIRECTIONAL		POSITIVE EDGE	0 Cel	QUAD	20 MHz	S-PQCC-J20	5.25 V	4.57 mm	8.9662 mm	Not Qualified	4.75 V	45 mA	TCO OUTPUT	NOT SPECIFIED	NOT SPECIFIED	8.9662 mm	LS
SN74ALS162AFN-00	Texas Instruments	DECADE COUNTER	COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1		TTL	4	YES	5		50 pF	CHIP CARRIER		SYNCHRONOUS	17 ns			1.27 mm	70 Cel	UP		POSITIVE EDGE	0 Cel	QUAD	30 MHz	S-PQCC-J20	5.5 V	4.57 mm	8.9662 mm	Not Qualified	4.5 V	21 mA	TCO OUTPUT			8.9662 mm	ALS
SN74HC390FN3	Texas Instruments		INDUSTRIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY	YES	2		CMOS		NO		2/6		CHIP CARRIER	LDCC20,.4SQ	ASYNCHRONOUS			Counters	1.27 mm	85 Cel	UP			-40 Cel	QUAD		S-PQCC-J20
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
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
SN74AS867FN3	Texas Instruments	BINARY COUNTER	COMMERCIAL	J BEND	28	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1		TTL		YES				CHIP CARRIER	LDCC28,.5SQ	SYNCHRONOUS			Counters	1.27 mm	70 Cel	BIDIRECTIONAL			0 Cel	QUAD		S-PQCC-J28
SN74LS593FN3	Texas Instruments	BINARY COUNTER	COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1		TTL		NO				CHIP CARRIER	LDCC20,.4SQ	ASYNCHRONOUS			Counters	1.27 mm	70 Cel	UP	3-STATE		0 Cel	QUAD		S-PQCC-J20								NOT SPECIFIED	NOT SPECIFIED
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
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
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
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
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
SN74ALS161AFN-00	Texas Instruments	BINARY COUNTER	COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1		TTL	4	YES	5		50 pF	CHIP CARRIER		SYNCHRONOUS	17 ns			1.27 mm	70 Cel	UP		POSITIVE EDGE	0 Cel	QUAD	30 MHz	S-PQCC-J20	5.5 V	4.57 mm	8.9662 mm	Not Qualified	4.5 V	21 mA	TCO OUTPUT			8.9662 mm	ALS
SN74HC190FN3	Texas Instruments	DECADE COUNTER	INDUSTRIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1		CMOS		YES		2/6		CHIP CARRIER	LDCC20,.4SQ	ASYNCHRONOUS			Counters	1.27 mm	85 Cel	BIDIRECTIONAL			-40 Cel	QUAD		S-PQCC-J20
SN74LS690FN	Texas Instruments	DECADE COUNTER	COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1		TTL	4	YES	5		45 pF	CHIP CARRIER	LDCC20,.4SQ	SYNCHRONOUS	25 ns		Counters	1.27 mm	70 Cel	UP	3-STATE	POSITIVE EDGE	0 Cel	QUAD		S-PQCC-J20	5.25 V	4.57 mm	8.9662 mm	Not Qualified	4.75 V	70 mA	REGISTER/COUNTER OUTPUT SELECT; TCO OUTPUT; REGISTERED OUTPUTS	NOT SPECIFIED	NOT SPECIFIED	8.9662 mm	LS
SN74ALS192FN-00	Texas Instruments	DECADE COUNTER	COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1		TTL	4	YES	5		50 pF	CHIP CARRIER		SYNCHRONOUS	17 ns			1.27 mm	70 Cel	BIDIRECTIONAL		POSITIVE EDGE	0 Cel	QUAD	25 MHz	S-PQCC-J20	5.5 V	4.57 mm	8.9662 mm	Not Qualified	4.5 V	22 mA	TCO UP AND TCO DOWN OUTPUTS; SEPARATE UP/DOWN CLOCK			8.9662 mm	ALS
SN74LS169BFN3	Texas Instruments	BINARY COUNTER	COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1	20000000 Hz	TTL		YES	5	5		CHIP CARRIER	LDCC20,.4SQ	SYNCHRONOUS		24 Amp	Counters	1.27 mm	70 Cel	BIDIRECTIONAL			0 Cel	QUAD		S-PQCC-J20								NOT SPECIFIED	NOT SPECIFIED
SN74LS699FN3	Texas Instruments	BINARY COUNTER	COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1		TTL		YES				CHIP CARRIER	LDCC20,.4SQ	SYNCHRONOUS			Counters	1.27 mm	70 Cel	BIDIRECTIONAL	3-STATE		0 Cel	QUAD		S-PQCC-J20								NOT SPECIFIED	NOT SPECIFIED
SN74AS162FN	Texas Instruments	DECADE COUNTER	COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1		TTL		YES				CHIP CARRIER	LDCC20,.4SQ	SYNCHRONOUS			Counters	1.27 mm	70 Cel	UP			0 Cel	QUAD		S-PQCC-J20				Not Qualified
SN74AS162FN3	Texas Instruments	DECADE COUNTER	COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1		TTL		YES				CHIP CARRIER	LDCC20,.4SQ	SYNCHRONOUS			Counters	1.27 mm	70 Cel	UP			0 Cel	QUAD		S-PQCC-J20
SN74LS196FN	Texas Instruments	DECADE COUNTER	COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY	YES	2		TTL	3	YES	5	5	15 pF	CHIP CARRIER	LDCC20,.4SQ	ASYNCHRONOUS	62 ns		Counters	1.27 mm	70 Cel	UP		NEGATIVE EDGE	0 Cel	QUAD	30 MHz	S-PQCC-J20	5.25 V	4.57 mm	8.9662 mm	Not Qualified	4.75 V	27 mA	DIVIDE BY 2 AND DIVIDE BY 5 FUNCTIONS	NOT SPECIFIED	NOT SPECIFIED	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.