QCCN Digital Counters 742

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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	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
SN54AS168FH-00	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	6 ns			1.27 mm	125 Cel	BIDIRECTIONAL		POSITIVE EDGE	-55 Cel		QUAD		S-CQCC-N20		5.5 V	2.54 mm	8.89 mm	Not Qualified	4.5 V		TCO OUTPUT				8.89 mm	AS
SN54HC699FH	Texas Instruments	BINARY 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
SN54HC163FK-00	Texas Instruments	BINARY COUNTER	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED	YES	1		CMOS		4	YES		5		50 pF	CHIP CARRIER		SYNCHRONOUS	62 ns			1.27 mm	125 Cel	UP		POSITIVE EDGE	-55 Cel		QUAD	21 MHz	S-CQCC-N20		6 V	2.03 mm	8.89 mm	Not Qualified	2 V		TCO OUTPUT				8.89 mm	HC/UH
SN54F162AFK-00	Texas Instruments	DECADE COUNTER	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED	YES	1		TTL		4	YES		5			CHIP CARRIER		SYNCHRONOUS	14 ns			1.27 mm	125 Cel	UP		POSITIVE EDGE	-55 Cel		QUAD	120 MHz	S-CQCC-N20		5.5 V	2.03 mm	8.89 mm	Not Qualified	4.5 V		TCO OUTPUT				8.89 mm	F/FAST
SN54LS669FK	Texas Instruments	BINARY COUNTER	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED	YES	1		TTL		4	YES		5	5	15 pF	CHIP CARRIER	LCC20,.35SQ	SYNCHRONOUS	27 ns		Counters	1.27 mm	125 Cel	BIDIRECTIONAL		POSITIVE EDGE	-55 Cel		QUAD	25 MHz	S-CQCC-N20		5.5 V	2.03 mm	8.89 mm	Not Qualified	4.5 V	34 mA	TCO OUTPUT		NOT SPECIFIED	NOT SPECIFIED	8.89 mm	LS
SN54ALS191FH	Texas Instruments	BINARY 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			-55 Cel		QUAD		S-XQCC-N20					Not Qualified
SN54HC7022FK-00	Texas Instruments	RING COUNTER	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED	YES	1		CMOS		8	YES		5		50 pF	CHIP CARRIER		SYNCHRONOUS	69 ns			1.27 mm	125 Cel	UP		POSITIVE EDGE	-55 Cel		QUAD	21 MHz	S-CQCC-N20		6 V	2.03 mm	8.89 mm	Not Qualified	2 V		JOHNSON COUNTER WITH 8 DECODED OUTPUTS; ACTIVE-LOW OPEN DRAIN CLEAR OUTPUT				8.89 mm	HC/UH
SN74LS592FK	Texas Instruments	BINARY COUNTER	COMMERCIAL	NO LEAD	20	QCCN	SQUARE	CERAMIC	YES	1		TTL			NO					CHIP CARRIER	LCC20,.35SQ	SYNCHRONOUS			Counters	1.27 mm	70 Cel	UP			0 Cel		QUAD		S-XQCC-N20					Not Qualified					NOT SPECIFIED	NOT SPECIFIED
SN74HC691FH	Texas Instruments	BINARY 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
SN54ALS190FH	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			-55 Cel		QUAD		S-XQCC-N20					Not Qualified
SN54S162FK	Texas Instruments	DECADE COUNTER	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED	YES	1		TTL		4	YES		5		15 pF	CHIP CARRIER	LCC20,.35SQ	SYNCHRONOUS	15 ns		Counters	1.27 mm	125 Cel	UP		POSITIVE EDGE	-55 Cel		QUAD	40 MHz	S-CQCC-N20		5.5 V	2.03 mm	8.89 mm	Not Qualified	4.5 V	160 mA	TCO OUTPUT		NOT SPECIFIED	NOT SPECIFIED	8.89 mm	S
SN54HC4022FK	Texas Instruments	DIVIDE BY 8 COUNTER	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC	YES	1	21000000 Hz	CMOS			NO		5	5	50 pF	CHIP CARRIER	LCC20,.35SQ	SYNCHRONOUS			Counters	1.27 mm	125 Cel	UP			-55 Cel		QUAD		S-XQCC-N20					Not Qualified					NOT SPECIFIED	NOT SPECIFIED
SN54HC4061FH	Texas Instruments	BINARY COUNTER	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC	YES	1		CMOS			NO					CHIP CARRIER	LCC20,.35SQ	ASYNCHRONOUS			Counters	1.27 mm	125 Cel	UP			-55 Cel		QUAD		S-XQCC-N20					Not Qualified					NOT SPECIFIED	NOT SPECIFIED
SN54AS160FH-00	Texas Instruments	DECADE COUNTER	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED	YES	1		TTL		4	YES		5			CHIP CARRIER		SYNCHRONOUS				1.27 mm	125 Cel	UP		POSITIVE EDGE	-55 Cel		QUAD		S-CQCC-N20		5.5 V	2.54 mm	8.89 mm	Not Qualified	4.5 V		TCO OUTPUT				8.89 mm	AS
SN54ALS162BFK	Texas Instruments	DECADE COUNTER	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED	YES	1	35000000 Hz	TTL		4	YES		5	5	50 pF	CHIP CARRIER	LCC20,.35SQ	SYNCHRONOUS	25 ns		Counters	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		NOT SPECIFIED	NOT SPECIFIED	8.89 mm	ALS
SN54HC691FK	Texas Instruments	BINARY 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
SN54AS867FH	Texas Instruments	BINARY COUNTER	MILITARY	NO LEAD	28	QCCN	SQUARE	CERAMIC	YES	1		TTL			YES					CHIP CARRIER	LCC28,.45SQ	SYNCHRONOUS			Counters	1.27 mm	125 Cel	BIDIRECTIONAL			-55 Cel		QUAD		S-XQCC-N28					Not Qualified
SN74HC192FHP4	Texas Instruments	DECADE COUNTER	INDUSTRIAL	NO LEAD	20	QCCN	SQUARE	CERAMIC	YES	1		CMOS			YES			2/6		CHIP CARRIER	LCC20,.35SQ	SYNCHRONOUS			Counters	1.27 mm	85 Cel	BIDIRECTIONAL			-40 Cel		QUAD		S-XQCC-N20
SN74HC4060FH	Texas Instruments	BINARY COUNTER	INDUSTRIAL	NO LEAD	20	QCCN	SQUARE	CERAMIC	YES	1		CMOS			NO			2/6		CHIP CARRIER	LCC20,.35SQ	ASYNCHRONOUS			Counters	1.27 mm	85 Cel	UP			-40 Cel		QUAD		S-XQCC-N20					Not Qualified
SN74HC193FH	Texas Instruments	BINARY COUNTER	INDUSTRIAL	NO LEAD	20	QCCN	SQUARE	CERAMIC	YES	1		CMOS			YES			2/6		CHIP CARRIER	LCC20,.35SQ	SYNCHRONOUS			Counters	1.27 mm	85 Cel	BIDIRECTIONAL			-40 Cel		QUAD		S-XQCC-N20					Not Qualified
SN54HC697FH	Texas Instruments	BINARY 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
SN54F160AFK-00	Texas Instruments	DECADE COUNTER	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED	YES	1		TTL		4	YES		5			CHIP CARRIER		SYNCHRONOUS	14 ns			1.27 mm	125 Cel	UP		POSITIVE EDGE	-55 Cel		QUAD	120 MHz	S-CQCC-N20		5.5 V	2.03 mm	8.89 mm	Not Qualified	4.5 V		TCO OUTPUT				8.89 mm	F/FAST
SN54HC192FK	Texas Instruments	BINARY COUNTER	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED	YES	1	14000000 Hz	CMOS		4	YES		5	2/6	50 pF	CHIP CARRIER	LCC20,.35SQ	SYNCHRONOUS	375 ns	5.2 Amp	Counters	1.27 mm	125 Cel	BIDIRECTIONAL		POSITIVE EDGE	-55 Cel		QUAD	16 MHz	S-CQCC-N20		6 V			Not Qualified	2 V				NOT SPECIFIED	NOT SPECIFIED		HC/UH
SN54ALS168BFK	Texas Instruments	DECADE COUNTER	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED	YES	1		TTL		4	YES		5	5	50 pF	CHIP CARRIER	LCC20,.35SQ	SYNCHRONOUS	23 ns		Counters	1.27 mm	125 Cel	BIDIRECTIONAL		POSITIVE EDGE	-55 Cel		QUAD	22 MHz	S-CQCC-N20		5.5 V	2.03 mm	8.89 mm	Not Qualified	4.5 V	25 mA	TCO OUTPUT		NOT SPECIFIED	NOT SPECIFIED	8.89 mm	ALS
SN54ALS192FH	Texas Instruments	DECADE COUNTER	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC	YES	2		TTL			YES		5	5		CHIP CARRIER	LCC20,.35SQ	SYNCHRONOUS			Counters	1.27 mm	125 Cel	BIDIRECTIONAL			-55 Cel		QUAD		S-XQCC-N20					Not Qualified
SN54HC4020FK/883	Texas Instruments	BINARY COUNTER	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED	YES	1		CMOS	MIL-STD-883	14	YES		5			CHIP CARRIER		ASYNCHRONOUS	225 ns			1.27 mm	125 Cel	UP		NEGATIVE EDGE	-55 Cel		QUAD	22 MHz	S-CQCC-N20		6 V	2.03 mm	8.89 mm		2 V						8.89 mm	HC/UH
SN54ALS169BFH	Texas Instruments	BINARY 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			-55 Cel		QUAD		S-XQCC-N20					Not Qualified
SN54ALS191FH-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	22 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	22 mA	TCO OUTPUT				8.89 mm	ALS
SN54ALS193FH	Texas Instruments	BINARY 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			-55 Cel		QUAD		S-XQCC-N20					Not Qualified
SN54HC190FK-00	Texas Instruments	DECADE COUNTER	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED	YES	1		CMOS		4	YES		5		50 pF	CHIP CARRIER		SYNCHRONOUS	58 ns			1.27 mm	125 Cel	BIDIRECTIONAL		POSITIVE EDGE	-55 Cel		QUAD	14 MHz	S-CQCC-N20		6 V	2.03 mm	8.89 mm	Not Qualified	2 V		TCO OUTPUT				8.89 mm	HC/UH
5962-87724012X	Texas Instruments	BINARY COUNTER	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED	YES	1		CMOS	MIL-STD-883	4	YES		5			CHIP CARRIER		SYNCHRONOUS	375 ns			1.27 mm	125 Cel	BIDIRECTIONAL		POSITIVE EDGE	-55 Cel		QUAD	16 MHz	S-CQCC-N20		6 V	2.03 mm	8.89 mm	Not Qualified	2 V				NOT SPECIFIED	NOT SPECIFIED	8.89 mm	HC/UH
SN54HC693FK	Texas Instruments	BINARY 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
JM38510/31508BX	Texas Instruments	BINARY COUNTER	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED	YES	1		TTL	MIL-M-38510 Class B	4	YES		5			CHIP CARRIER		SYNCHRONOUS	47 ns			1.27 mm	125 Cel	BIDIRECTIONAL		POSITIVE EDGE	-55 Cel		QUAD	25 MHz	S-CQCC-N20		5.5 V	2.03 mm	8.89 mm	Not Qualified	4.5 V		TCO UP AND TCO DOWN OUTPUTS; SEPARATE UP/DOWN CLOCK		NOT SPECIFIED	NOT SPECIFIED	8.89 mm	LS
MC10E136FNG	Onsemi	BINARY COUNTER	OTHER	NO LEAD	28	QCCN	SQUARE	PLASTIC/EPOXY	YES	1	550000000 Hz	ECL		6	YES		5	-5.2		CHIP CARRIER	LDCC28,.5SQ	SYNCHRONOUS	1.45 ns		Counters	1.27 mm	85 Cel	BIDIRECTIONAL	OPEN-EMITTER	POSITIVE EDGE	0 Cel	TIN	QUAD	550 MHz	S-PQCC-N28	3	5.7 V	4.57 mm	11.505 mm	Not Qualified	4.2 V	150 mA	NECL MODE: VCC = 0V WITH VEE = -3.0V TO -3.6V	e3		260	11.505 mm	10E
MC10E136FN	Onsemi	BINARY COUNTER	OTHER	NO LEAD	28	QCCN	SQUARE	PLASTIC/EPOXY	YES	1	550000000 Hz	ECL		6	YES		5	-5.2		CHIP CARRIER	LDCC28,.5SQ	SYNCHRONOUS	1.45 ns		Counters	1.27 mm	85 Cel	BIDIRECTIONAL	OPEN-EMITTER	POSITIVE EDGE	0 Cel	TIN LEAD	QUAD	550 MHz	S-PQCC-N28	1	5.7 V	4.57 mm	11.505 mm	Not Qualified	4.2 V	150 mA	NECL MODE: VCC = 0V WITH VEE = -3.0V TO -3.6V	e0		235	11.505 mm	10E
MC100E136FNR2	Onsemi	BINARY COUNTER	OTHER	NO LEAD	28	QCCN	SQUARE	PLASTIC/EPOXY	YES	1	550000000 Hz	ECL		6	YES	TR	5	-4.5		CHIP CARRIER	LDCC28,.5SQ	SYNCHRONOUS	1.45 ns		Counters	1.27 mm	85 Cel	BIDIRECTIONAL	OPEN-EMITTER	POSITIVE EDGE	0 Cel	TIN LEAD	QUAD	550 MHz	S-PQCC-N28	1	5.7 V	4.57 mm	11.505 mm	Not Qualified	4.2 V	170 mA	NECL MODE: VCC = 0V WITH VEE = -3.0V TO -3.6V	e0		235	11.505 mm	100E
MC10E136FNR2	Onsemi	BINARY COUNTER	OTHER	NO LEAD	28	QCCN	SQUARE	PLASTIC/EPOXY	YES	1	550000000 Hz	ECL		6	YES	TR	5	-5.2		CHIP CARRIER	LDCC28,.5SQ	SYNCHRONOUS	1.45 ns		Counters	1.27 mm	85 Cel	BIDIRECTIONAL	OPEN-EMITTER	POSITIVE EDGE	0 Cel	TIN LEAD	QUAD	550 MHz	S-PQCC-N28	1	5.7 V	4.57 mm	11.505 mm	Not Qualified	4.2 V	150 mA	NECL MODE: VCC = 0V WITH VEE = -3.0V TO -3.6V	e0		235	11.505 mm	10E
MC100E136FNR2G	Onsemi	BINARY COUNTER	OTHER	NO LEAD	28	QCCN	SQUARE	PLASTIC/EPOXY	YES	1	550000000 Hz	ECL		6	YES	TR	5	-4.5		CHIP CARRIER	LDCC28,.5SQ	SYNCHRONOUS	1.45 ns		Counters	1.27 mm	85 Cel	BIDIRECTIONAL	OPEN-EMITTER	POSITIVE EDGE	0 Cel	TIN	QUAD	550 MHz	S-PQCC-N28		5.7 V	4.57 mm	11.505 mm	Not Qualified	4.2 V	170 mA	NECL MODE: VCC = 0V WITH VEE = -3.0V TO -3.6V	e3		260	11.505 mm	100E
MC100E136FNG	Onsemi	BINARY COUNTER	OTHER	NO LEAD	28	QCCN	SQUARE	PLASTIC/EPOXY	YES	1	550000000 Hz	ECL		6	YES		5	-4.5		CHIP CARRIER	LDCC28,.5SQ	SYNCHRONOUS	1.45 ns		Counters	1.27 mm	85 Cel	BIDIRECTIONAL	OPEN-EMITTER	POSITIVE EDGE	0 Cel	TIN	QUAD	550 MHz	S-PQCC-N28	3	5.7 V	4.57 mm	11.505 mm	Not Qualified	4.2 V	170 mA	NECL MODE: VCC = 0V WITH VEE = -3.0V TO -3.6V	e3		260	11.505 mm	100E
MC100E136FN	Onsemi	BINARY COUNTER	OTHER	NO LEAD	28	QCCN	SQUARE	PLASTIC/EPOXY	YES	1	550000000 Hz	ECL		6	YES		5	-4.5		CHIP CARRIER	LDCC28,.5SQ	SYNCHRONOUS	1.45 ns		Counters	1.27 mm	85 Cel	BIDIRECTIONAL	OPEN-EMITTER	POSITIVE EDGE	0 Cel	TIN LEAD	QUAD	550 MHz	S-PQCC-N28	1	5.7 V	4.57 mm	11.505 mm	Not Qualified	4.2 V	170 mA	NECL MODE: VCC = 0V WITH VEE = -3.0V TO -3.6V	e0		235	11.505 mm	100E
MC10E136FNR2G	Onsemi	BINARY COUNTER	OTHER	NO LEAD	28	QCCN	SQUARE	PLASTIC/EPOXY	YES	1	550000000 Hz	ECL		6	YES	TR	5	-5.2		CHIP CARRIER	LDCC28,.5SQ	SYNCHRONOUS	1.45 ns		Counters	1.27 mm	85 Cel	BIDIRECTIONAL	OPEN-EMITTER	POSITIVE EDGE	0 Cel	TIN	QUAD	550 MHz	S-PQCC-N28	3	5.7 V	4.57 mm	11.505 mm	Not Qualified	4.2 V	150 mA	NECL MODE: VCC = 0V WITH VEE = -3.0V TO -3.6V	e3	30	260	11.505 mm	10E
HCC4527BC1	STMicroelectronics		MILITARY	NO LEAD	20	QCCN	SQUARE	PLASTIC/EPOXY	YES			CMOS			YES			3/18		CHIP CARRIER	LCC20,.35SQ				Counters	1.27 mm	125 Cel				-55 Cel	Tin/Lead (Sn/Pb)	QUAD		S-PQCC-N20					Not Qualified				e0
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			0 Cel		QUAD		S-PQCC-N20					Not Qualified		32 mA
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			0 Cel		QUAD		S-PQCC-N20					Not Qualified		32 mA
T74LS163C1	STMicroelectronics	BINARY 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			0 Cel		QUAD		S-PQCC-N20					Not Qualified		32 mA
T74LS161C1	STMicroelectronics	BINARY 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			0 Cel		QUAD		S-PQCC-N20					Not Qualified		32 mA
M38510/34301B2A	NXP Semiconductors	BINARY COUNTER	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED	YES	1		TTL	MIL-PRF-38535	4	YES		5			CHIP CARRIER		SYNCHRONOUS	11.5 ns				125 Cel	UP		POSITIVE EDGE	-55 Cel		QUAD	70 MHz	S-CQCC-N20		5.5 V			Not Qualified	4.5 V							F/FAST
M38510/34304B2A	NXP Semiconductors	BINARY COUNTER	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED	YES	1		TTL	MIL-PRF-38535	4	YES		5			CHIP CARRIER		SYNCHRONOUS	14 ns				125 Cel	BIDIRECTIONAL		POSITIVE EDGE	-55 Cel		QUAD	70 MHz	S-CQCC-N20		5.5 V			Not Qualified	4.5 V							F/FAST

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.