20 Digital Counters 1,712

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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
SN54ALS190FK	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	26 ns		Counters	1.27 mm	125 Cel	BIDIRECTIONAL		POSITIVE EDGE	-55 Cel		QUAD	20 MHz	S-CQCC-N20		5.5 V	2.03 mm	8.89 mm	Not Qualified	4.5 V	22 mA	TCO OUTPUT		NOT SPECIFIED	NOT SPECIFIED	8.89 mm	ALS
SN54F169FK	Texas Instruments	BINARY COUNTER	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED	YES	1		TTL		4	YES		5	5		CHIP CARRIER	LCC20,.35SQ	SYNCHRONOUS		20 Amp	Counters	1.27 mm	125 Cel	BIDIRECTIONAL		POSITIVE EDGE	-55 Cel		QUAD		S-CQCC-N20		5.5 V	2.03 mm	8.89 mm	Not Qualified	4.5 V	52 mA	TCO OUTPUT		NOT SPECIFIED	NOT SPECIFIED	8.89 mm	F/FAST
SN74LS697NE4	Texas Instruments	BINARY COUNTER	COMMERCIAL	THROUGH-HOLE	20	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1		TTL		4	YES		5		45 pF	IN-LINE	DIP20,.3	SYNCHRONOUS	40 ns		Counters	2.54 mm	70 Cel	BIDIRECTIONAL	3-STATE	POSITIVE EDGE	0 Cel	NICKEL PALLADIUM GOLD	DUAL	20 MHz	R-PDIP-T20		5.25 V	5.08 mm	7.62 mm	Not Qualified	4.75 V	70 mA	REGISTER/COUNTER OUTPUT SELECT; TCO OUTPUT; REGISTERED OUTPUTS	e4			24.325 mm	LS
SN74LS190FN3	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
SN74HC693J	Texas Instruments	BINARY COUNTER	INDUSTRIAL	THROUGH-HOLE	20	DIP	RECTANGULAR	CERAMIC	NO	1		CMOS			YES		5	5		IN-LINE	DIP20,.3	SYNCHRONOUS			Counters	2.54 mm	85 Cel	BIDIRECTIONAL	3-STATE		-40 Cel		DUAL		R-XDIP-T20					Not Qualified					NOT SPECIFIED	NOT SPECIFIED
SN74ALS568AJ4	Texas Instruments	DECADE COUNTER	COMMERCIAL	THROUGH-HOLE	20	DIP	RECTANGULAR	CERAMIC	NO	1		TTL			YES		5	5		IN-LINE	DIP20,.3	SYNCHRONOUS			Counters	2.54 mm	70 Cel	BIDIRECTIONAL	3-STATE		0 Cel		DUAL		R-XDIP-T20										NOT SPECIFIED	NOT SPECIFIED
SN54LS161AFK	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	UP		POSITIVE EDGE	-55 Cel		QUAD	25 MHz	S-CQCC-N20		5.5 V	2.03 mm	8.89 mm	Not Qualified	4.5 V	32 mA	TCO OUTPUT		NOT SPECIFIED	NOT SPECIFIED	8.89 mm	LS
SN74LS692DW3	Texas Instruments	DECADE COUNTER	COMMERCIAL	GULL WING	20	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1		TTL			YES					SMALL OUTLINE	SOP20,.4	SYNCHRONOUS			Counters	1.27 mm	70 Cel	UP	3-STATE		0 Cel		DUAL		R-PDSO-G20										NOT SPECIFIED	NOT SPECIFIED
SN74LS593JP4	Texas Instruments	BINARY COUNTER	COMMERCIAL	THROUGH-HOLE	20	DIP	RECTANGULAR	CERAMIC	NO	1		TTL			NO					IN-LINE	DIP20,.3	ASYNCHRONOUS			Counters	2.54 mm	70 Cel	UP	3-STATE		0 Cel		DUAL		R-XDIP-T20										NOT SPECIFIED	NOT SPECIFIED
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
SN74LS698DWR	Texas Instruments	DECADE COUNTER	COMMERCIAL	GULL WING	20	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1		TTL		4	YES		5		45 pF	SMALL OUTLINE		SYNCHRONOUS	25 ns			1.27 mm	70 Cel	BIDIRECTIONAL	3-STATE	POSITIVE EDGE	0 Cel		DUAL		R-PDSO-G20		5.25 V	2.65 mm	7.5 mm	Not Qualified	4.75 V	70 mA	REGISTER/COUNTER OUTPUT SELECT; TCO OUTPUT; REGISTERED OUTPUTS				12.8 mm	LS
SN54ALS192FH-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	20 ns			1.27 mm	125 Cel	BIDIRECTIONAL		POSITIVE EDGE	-55 Cel		QUAD	20 MHz	S-CQCC-N20		5.5 V	2.54 mm	8.89 mm	Not Qualified	4.5 V	22 mA	TCO UP AND TCO DOWN OUTPUTS; SEPARATE UP/DOWN CLOCK				8.89 mm	ALS
SN74LS693DWR	Texas Instruments	BINARY COUNTER	COMMERCIAL	GULL WING	20	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1		TTL		4	YES		5		45 pF	SMALL OUTLINE		SYNCHRONOUS	25 ns			1.27 mm	70 Cel	UP	3-STATE	POSITIVE EDGE	0 Cel		DUAL		R-PDSO-G20		5.25 V	2.65 mm	7.5 mm	Not Qualified	4.75 V	70 mA	REGISTER/COUNTER OUTPUT SELECT; TCO OUTPUT; REGISTERED OUTPUTS				12.8 mm	LS
SN74LS699N3	Texas Instruments	BINARY COUNTER	COMMERCIAL	THROUGH-HOLE	20	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1		TTL			YES					IN-LINE	DIP20,.3	SYNCHRONOUS			Counters	2.54 mm	70 Cel	BIDIRECTIONAL	3-STATE		0 Cel		DUAL		R-PDIP-T20										NOT SPECIFIED	NOT SPECIFIED
SN74F568DW-00R	Texas Instruments	DECADE COUNTER	COMMERCIAL	GULL WING	20	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1		TTL		4	YES		5			SMALL OUTLINE		SYNCHRONOUS	13 ns			1.27 mm	70 Cel	BIDIRECTIONAL	3-STATE	POSITIVE EDGE	0 Cel		DUAL	115 MHz	R-PDSO-G20		5.5 V	2.65 mm	7.5 mm	Not Qualified	4.5 V		TCO OUTPUT; CLOCKED CARRY OUTPUT				12.8 mm	F/FAST
JM38510/32701B2A	Texas Instruments	DECADE COUNTER	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED	YES	4	25000000 Hz	TTL	MIL-M-38510	3		TUBE	5			CHIP CARRIER		ASYNCHRONOUS	60 ns	8 Amp		1.27 mm	125 Cel	UP		NEGATIVE EDGE	-55 Cel	Tin/Lead (Sn/Pb)	QUAD	25 MHz	S-CQCC-N20		5.5 V	2.03 mm	8.89 mm	Not Qualified	4.5 V	26 mA	DIVIDE BY 2 AND DIVIDE BY 5 FUNCTIONS	e0	NOT SPECIFIED	NOT SPECIFIED	8.89 mm	LS
SN54HC698FK	Texas Instruments	DECADE COUNTER	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC	YES	1		CMOS			NO		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
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
SN54HC393FKR	Texas Instruments	BINARY COUNTER	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED	YES	2		CMOS		4	YES		5		50 pF	CHIP CARRIER		ASYNCHRONOUS	430 ns			1.27 mm	125 Cel	UP		NEGATIVE EDGE	-55 Cel		QUAD	25 MHz	S-CQCC-N20		6 V	2.03 mm	8.89 mm	Not Qualified	2 V						8.89 mm	HC/UH
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
SN74F568N3	Texas Instruments	DECADE COUNTER	COMMERCIAL	THROUGH-HOLE	20	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1	90000000 Hz	TTL			YES		5	5		IN-LINE	DIP20,.3	SYNCHRONOUS		24 Amp	Counters	2.54 mm	70 Cel	BIDIRECTIONAL	3-STATE		0 Cel		DUAL		R-PDIP-T20							67 mA			NOT SPECIFIED	NOT SPECIFIED
SN54LS698J	Texas Instruments	DECADE COUNTER	MILITARY	THROUGH-HOLE	20	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	1		TTL		4	YES		5		45 pF	IN-LINE	DIP20,.3	SYNCHRONOUS	25 ns		Counters	2.54 mm	125 Cel	BIDIRECTIONAL	3-STATE	POSITIVE EDGE	-55 Cel		DUAL		R-GDIP-T20		5.5 V	5.08 mm	7.62 mm	Not Qualified	4.5 V	70 mA	REGISTER/COUNTER OUTPUT SELECT; TCO OUTPUT; REGISTERED OUTPUTS		NOT SPECIFIED	NOT SPECIFIED	24.195 mm	LS
SN74LS699JP4	Texas Instruments	BINARY COUNTER	COMMERCIAL	THROUGH-HOLE	20	DIP	RECTANGULAR	CERAMIC	NO	1		TTL			YES					IN-LINE	DIP20,.3	SYNCHRONOUS			Counters	2.54 mm	70 Cel	BIDIRECTIONAL	3-STATE		0 Cel		DUAL		R-XDIP-T20										NOT SPECIFIED	NOT SPECIFIED
SN74LS699NP3	Texas Instruments	BINARY COUNTER	COMMERCIAL	THROUGH-HOLE	20	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1		TTL			YES					IN-LINE	DIP20,.3	SYNCHRONOUS			Counters	2.54 mm	70 Cel	BIDIRECTIONAL	3-STATE		0 Cel		DUAL		R-PDIP-T20										NOT SPECIFIED	NOT SPECIFIED
SN54ALS160BFKR	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	25 ns			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				8.89 mm	ALS
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
SN74HC161FH4	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	UP			-40 Cel		QUAD		S-XQCC-N20										NOT SPECIFIED	NOT SPECIFIED
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
SN54LS393FK	Texas Instruments	BINARY COUNTER	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED	YES	2		TTL		4	NO		5	5	15 pF	CHIP CARRIER	LCC20,.35SQ	ASYNCHRONOUS	60 ns		Counters	1.27 mm	125 Cel	UP		NEGATIVE EDGE	-55 Cel		QUAD	25 MHz	S-CQCC-N20		5.5 V	2.03 mm	8.89 mm	Not Qualified	4.5 V	26 mA			NOT SPECIFIED	NOT SPECIFIED	8.89 mm	LS
SN74ALS569AN3	Texas Instruments	BINARY COUNTER	COMMERCIAL	THROUGH-HOLE	20	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1		TTL			YES		5	5		IN-LINE	DIP20,.3	SYNCHRONOUS			Counters	2.54 mm	70 Cel	BIDIRECTIONAL	3-STATE		0 Cel		DUAL		R-PDIP-T20										NOT SPECIFIED	NOT SPECIFIED
SN54ALS191AFK	Texas Instruments	BINARY COUNTER	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED	YES	1		TTL		4	YES		5			CHIP CARRIER		SYNCHRONOUS	26 ns			1.27 mm	125 Cel	BIDIRECTIONAL		POSITIVE EDGE	-55 Cel		QUAD	20 MHz	S-CQCC-N20		5.5 V	2.03 mm	8.89 mm	Not Qualified	4.5 V		TCO OUTPUT				8.89 mm	ALS
SN74LS696JP4	Texas Instruments	DECADE COUNTER	COMMERCIAL	THROUGH-HOLE	20	DIP	RECTANGULAR	CERAMIC	NO	1		TTL			YES					IN-LINE	DIP20,.3	SYNCHRONOUS			Counters	2.54 mm	70 Cel	BIDIRECTIONAL	3-STATE		0 Cel		DUAL		R-XDIP-T20										NOT SPECIFIED	NOT SPECIFIED
SN54HC690FK	Texas Instruments	DECADE 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
SN74ALS569JP4	Texas Instruments	BINARY COUNTER	COMMERCIAL	THROUGH-HOLE	20	DIP	RECTANGULAR	CERAMIC	NO	1		TTL			YES		5	5		IN-LINE	DIP20,.3	SYNCHRONOUS			Counters	2.54 mm	70 Cel	BIDIRECTIONAL	3-STATE		0 Cel		DUAL		R-XDIP-T20										NOT SPECIFIED	NOT SPECIFIED
SN54F168FK	Texas Instruments	DECADE COUNTER	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED	YES	1		TTL		4	YES		5	5		CHIP CARRIER	LCC20,.35SQ	SYNCHRONOUS		20 Amp	Counters	1.27 mm	125 Cel	BIDIRECTIONAL		POSITIVE EDGE	-55 Cel		QUAD		S-CQCC-N20		5.5 V	2.03 mm	8.89 mm	Not Qualified	4.5 V	52 mA	TCO OUTPUT		NOT SPECIFIED	NOT SPECIFIED	8.89 mm	F/FAST
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
SN54HC7022FK	Texas Instruments	DIVIDE BY 8 COUNTER	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC	YES	1		CMOS			NO					CHIP CARRIER	LCC20,.35SQ	SYNCHRONOUS			Counters	1.27 mm	125 Cel	UP			-55 Cel		QUAD		S-XQCC-N20					Not Qualified
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
SN54HC4060FH	Texas Instruments	BINARY COUNTER	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC	YES	1		CMOS			NO			2/6		CHIP CARRIER	LCC20,.35SQ	ASYNCHRONOUS			Counters	1.27 mm	125 Cel	UP			-55 Cel		QUAD		S-XQCC-N20					Not Qualified
SN54F168FK-00	Texas Instruments	DECADE COUNTER	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED	YES	1		TTL		4	YES		5			CHIP CARRIER		SYNCHRONOUS	11.5 ns			1.27 mm	125 Cel	BIDIRECTIONAL		POSITIVE EDGE	-55 Cel		QUAD	115 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
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
SN54F569J-00	Texas Instruments	BINARY COUNTER	MILITARY	THROUGH-HOLE	20	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	1		TTL		4	YES		5			IN-LINE		SYNCHRONOUS	11.5 ns			2.54 mm	125 Cel	BIDIRECTIONAL	3-STATE	POSITIVE EDGE	-55 Cel		DUAL	115 MHz	R-GDIP-T20		5.5 V	5.08 mm	7.62 mm	Not Qualified	4.5 V		TCO OUTPUT; CLOCKED CARRY OUTPUT				24.195 mm	F/FAST
SN74LV8154PWE4	Texas Instruments	BINARY COUNTER	INDUSTRIAL	GULL WING	20	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	1	25000000 Hz	CMOS		16	NO		3.3	3.3	50 pF	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP20,.25	SYNCHRONOUS	42 ns	12 Amp	Counters	.65 mm	85 Cel	UP	3-STATE	POSITIVE EDGE	-40 Cel	NICKEL PALLADIUM GOLD	DUAL	40 MHz	R-PDSO-G20	1	5.5 V	1.2 mm	4.4 mm	Not Qualified	2 V		EIGHT OUTPUTS AVAILABLE	e4	30	260	6.5 mm	LV/LV-A/LVX/H
SN74ALS561ADWRE4	Texas Instruments	BINARY COUNTER	COMMERCIAL	GULL WING	20	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1		TTL		4	YES	TR	5	5	50 pF	SMALL OUTLINE	SOP20,.4	SYNCHRONOUS	18 ns	8 Amp	Counters	1.27 mm	70 Cel	UP	3-STATE	POSITIVE EDGE	0 Cel		DUAL	30 MHz	R-PDSO-G20		5.5 V	2.65 mm	7.5 mm	Not Qualified	4.5 V	33 mA	TCO OUTPUT; COUNT ENABLE INPUTS		NOT SPECIFIED	NOT SPECIFIED	12.8 mm	ALS
SN74ALS561ADWR	Texas Instruments	BINARY COUNTER	COMMERCIAL	GULL WING	20	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1		TTL		4	YES	TR	5	5	50 pF	SMALL OUTLINE	SOP20,.4	SYNCHRONOUS	18 ns	8 Amp	Counters	1.27 mm	70 Cel	UP	3-STATE	POSITIVE EDGE	0 Cel		DUAL	30 MHz	R-PDSO-G20		5.5 V	2.65 mm	7.5 mm	Not Qualified	4.5 V	33 mA	TCO OUTPUT; COUNT ENABLE INPUTS		NOT SPECIFIED	NOT SPECIFIED	12.8 mm	ALS
SN74HC593N1	Texas Instruments	BINARY COUNTER	INDUSTRIAL	THROUGH-HOLE	20	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1		CMOS			NO			2/6		IN-LINE	DIP20,.3	SYNCHRONOUS			Counters	2.54 mm	85 Cel	UP	3-STATE		-40 Cel		DUAL		R-PDIP-T20					Not Qualified					NOT SPECIFIED	NOT SPECIFIED

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.