UNSPECIFIED Digital Counters 62

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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	Technology	No. of Bits	Load or Preset Input	Nominal Supply Voltage / Vsup (V)	Load Capacitance (CL)	Package Style (Meter)	Operation Mode	Propagation Delay (tpd)	Maximum Operating Temperature	Count Direction	Trigger Type	Minimum Operating Temperature	Terminal Position	Minimum fmax	JESD-30 Code	Maximum Supply Voltage (Vsup)	Qualification	Minimum Supply Voltage (Vsup)	Family
74HCT4020U	NXP Semiconductors	BINARY COUNTER	AUTOMOTIVE	NO LEAD			UNSPECIFIED	UNSPECIFIED	YES	1	CMOS	14	YES	5		UNCASED CHIP	ASYNCHRONOUS	54 ns	125 Cel	UP	NEGATIVE EDGE	-40 Cel	UPPER	17 MHz	X-XUUC-N	5.5 V	Not Qualified	4.5 V	HCT
74HC4024U	NXP Semiconductors	BINARY COUNTER	AUTOMOTIVE	NO LEAD			UNSPECIFIED	UNSPECIFIED	YES	1	CMOS	7	YES	4.5		UNCASED CHIP	ASYNCHRONOUS	265 ns	125 Cel	UP	NEGATIVE EDGE	-40 Cel	UPPER	24 MHz	X-XUUC-N	6 V	Not Qualified	2 V	HC/UH
74HC4059U	NXP Semiconductors	DIVIDE BY N COUNTER	AUTOMOTIVE	NO LEAD		DIE	UNSPECIFIED	UNSPECIFIED	YES	1	CMOS		YES	4.5		UNCASED CHIP	ASYNCHRONOUS	300 ns	125 Cel	BIDIRECTIONAL	POSITIVE EDGE	-40 Cel	UPPER	17 MHz	X-XUUC-N	6 V	Not Qualified	2 V	HC/UH
74HC4020U	NXP Semiconductors	BINARY COUNTER	AUTOMOTIVE	NO LEAD			UNSPECIFIED	UNSPECIFIED	YES	1	CMOS	14	YES	4.5		UNCASED CHIP	ASYNCHRONOUS	210 ns	125 Cel	UP	NEGATIVE EDGE	-40 Cel	UPPER	24 MHz	X-XUUC-N	6 V	Not Qualified	2 V	HC/UH
HEF4059BU	NXP Semiconductors	DIVIDE BY N COUNTER	INDUSTRIAL	NO LEAD		DIE	UNSPECIFIED	UNSPECIFIED	YES	1	CMOS		YES	5		UNCASED CHIP	ASYNCHRONOUS	200 ns	85 Cel	BIDIRECTIONAL	POSITIVE EDGE	-40 Cel	UPPER	10 MHz	X-XUUC-N		Not Qualified		4000/14000/40000
74HCT4520U	NXP Semiconductors	BINARY COUNTER	AUTOMOTIVE	NO LEAD			UNSPECIFIED	UNSPECIFIED	YES	2	CMOS	4	YES	5		UNCASED CHIP	SYNCHRONOUS	80 ns	125 Cel	UP	POSITIVE EDGE	-40 Cel	UPPER	20 MHz	X-XUUC-N	5.5 V	Not Qualified	4.5 V	HCT
74HCT4040U	NXP Semiconductors	BINARY COUNTER	AUTOMOTIVE	NO LEAD			UNSPECIFIED	UNSPECIFIED	YES	1	CMOS	12	YES	5		UNCASED CHIP	ASYNCHRONOUS	60 ns	125 Cel	UP	NEGATIVE EDGE	-40 Cel	UPPER	20 MHz	X-XUUC-N	5.5 V	Not Qualified	4.5 V	HCT
74HCT4024U	NXP Semiconductors	BINARY COUNTER	AUTOMOTIVE	NO LEAD			UNSPECIFIED	UNSPECIFIED	YES	1	CMOS	7	YES	5		UNCASED CHIP	ASYNCHRONOUS	53 ns	125 Cel	UP	NEGATIVE EDGE	-40 Cel	UPPER	20 MHz	X-XUUC-N	5.5 V	Not Qualified	4.5 V	HCT
74HC161U	NXP Semiconductors	BINARY COUNTER	AUTOMOTIVE	NO LEAD		DIE	UNSPECIFIED	UNSPECIFIED	YES	1	CMOS	4	YES	4.5		UNCASED CHIP	SYNCHRONOUS	285 ns	125 Cel	UP	POSITIVE EDGE	-40 Cel	UPPER	18 MHz	X-XUUC-N	6 V	Not Qualified	2 V	HC/UH
74HCT4017U	NXP Semiconductors	RING COUNTER	AUTOMOTIVE	NO LEAD			UNSPECIFIED	UNSPECIFIED	YES	1	CMOS	10	YES	5		UNCASED CHIP	SYNCHRONOUS	75 ns	125 Cel	UP	POSITIVE EDGE	-40 Cel	UPPER	20 MHz	X-XUUC-N	5.5 V	Not Qualified	4.5 V	HCT
HCS160HMSR	Renesas Electronics	DECADE COUNTER	MILITARY	NO LEAD	16	DIE	UNSPECIFIED	UNSPECIFIED	YES	1	CMOS	4	YES	5	50 pF	UNCASED CHIP	SYNCHRONOUS	29 ns	125 Cel	UP	POSITIVE EDGE	-55 Cel	UPPER		X-XUUC-N16	5.5 V	Not Qualified	4.5 V	HC/UH
HCTS161AHMSR	Renesas Electronics	BINARY COUNTER	MILITARY	NO LEAD	16	DIE	UNSPECIFIED	UNSPECIFIED	YES	1	CMOS	4	YES	5	50 pF	UNCASED CHIP	SYNCHRONOUS	29 ns	125 Cel	UP	POSITIVE EDGE	-55 Cel	UPPER		X-XUUC-N16	5.5 V	Not Qualified	4.5 V	HCT
HCS193HMSR	Renesas Electronics	BINARY COUNTER	MILITARY	NO LEAD	16	DIE	UNSPECIFIED	UNSPECIFIED	YES	1	CMOS	4	YES	5	50 pF	UNCASED CHIP	SYNCHRONOUS	37 ns	125 Cel	BIDIRECTIONAL	POSITIVE EDGE	-55 Cel	UPPER		X-XUUC-N16	5.5 V	Not Qualified	4.5 V	HC/UH
HCTS191HMSR	Renesas Electronics	BINARY COUNTER	MILITARY	NO LEAD	16	DIE	UNSPECIFIED	UNSPECIFIED	YES	1	CMOS	4	YES	5	50 pF	UNCASED CHIP	SYNCHRONOUS	33 ns	125 Cel	BIDIRECTIONAL	POSITIVE EDGE	-55 Cel	UPPER		X-XUUC-N16	5.5 V	Not Qualified	4.5 V	HCT

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.