20 Digital Counters 34

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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
SN74ALS568AN	Texas Instruments	DECADE COUNTER	COMMERCIAL	THROUGH-HOLE	20	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1		TTL		4	YES		5	5	50 pF	IN-LINE	DIP20,.3	SYNCHRONOUS	16 ns		Counters	2.54 mm	70 Cel	BIDIRECTIONAL	3-STATE	POSITIVE EDGE	0 Cel		DUAL	20 MHz	R-PDIP-T20		5.5 V	5.08 mm	7.62 mm	Not Qualified	4.5 V	32 mA	TCO OUTPUT; CLOCKED CARRY OUTPUT		NOT SPECIFIED	NOT SPECIFIED	24.325 mm	ALS
SN54HC4060FK	Texas Instruments	BINARY COUNTER	MILITARY	NO LEAD	20	HQCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED	YES	1	19000000 Hz	CMOS		14		TUBE	5	2/6	50 pF	CHIP CARRIER, HEAT SINK/SLUG	LCC20,.35SQ	ASYNCHRONOUS	735 ns	5.2 Amp	Counters	1.27 mm	125 Cel	UP		NEGATIVE EDGE	-55 Cel	TIN LEAD	QUAD	22 MHz	S-CQCC-N20		6 V	2.03 mm	8.89 mm	Not Qualified	2 V	.08 mA	OUTPUTS FROM 10 STAGES AVAILABLE; BUILT-IN OSCILLATOR	e0			8.89 mm	HC/UH
SNJ54HC4020FK	Texas Instruments	BINARY COUNTER	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED	YES	1	19000000 Hz	CMOS	MIL-PRF-38535	14		TUBE	5	2/6	50 pF	CHIP CARRIER	LCC20,.35SQ	ASYNCHRONOUS	225 ns	5.2 Amp	Counters	1.27 mm	125 Cel	UP		NEGATIVE EDGE	-55 Cel	Tin/Lead (Sn/Pb)	QUAD	22 MHz	S-CQCC-N20		6 V	2.03 mm	8.89 mm	Not Qualified	2 V	.08 mA	12 OUTPUTS AVAILABLE	e0	NOT SPECIFIED	NOT SPECIFIED	8.89 mm	HC/UH
SNJ54ALS569AFK	Texas Instruments	BINARY COUNTER	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED	YES	1		TTL	MIL-PRF-38535	4		TUBE	5	5	50 pF	CHIP CARRIER	LCC20,.35SQ	SYNCHRONOUS	21 ns	24 Amp	Counters	1.27 mm	125 Cel	BIDIRECTIONAL	3-STATE	POSITIVE EDGE	-55 Cel	TIN LEAD	QUAD	22 MHz	S-CQCC-N20		5.5 V	2.03 mm	8.89 mm	Not Qualified	4.5 V	32 mA	TCO OUTPUT; CLOCKED CARRY OUTPUT	e0			8.89 mm	ALS
SNJ54ALS569AJ	Texas Instruments	BINARY COUNTER	MILITARY	THROUGH-HOLE	20	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	1		TTL	MIL-PRF-38535	4		TUBE	5	5	50 pF	IN-LINE	DIP20,.3	SYNCHRONOUS	21 ns	24 Amp	Counters	2.54 mm	125 Cel	BIDIRECTIONAL	3-STATE	POSITIVE EDGE	-55 Cel	Tin/Lead (Sn/Pb)	DUAL	22 MHz	R-GDIP-T20		5.5 V	5.08 mm	7.62 mm	Not Qualified	4.5 V	32 mA	TCO OUTPUT; CLOCKED CARRY OUTPUT	e0	NOT SPECIFIED	NOT SPECIFIED	24.195 mm	ALS
SNJ54HC161FK	Texas Instruments	BINARY COUNTER	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED	YES	1	21000000 Hz	CMOS	MIL-PRF-38535	4		TUBE	5	2/6	50 pF	CHIP CARRIER	LCC20,.35SQ	SYNCHRONOUS	310 ns	5.2 Amp	Counters	1.27 mm	125 Cel	UP		POSITIVE EDGE	-55 Cel	TIN LEAD	QUAD	25 MHz	S-CQCC-N20		6 V	2.03 mm	8.89 mm	Not Qualified	2 V	.08 mA	RCO OUTPUT	e0			8.89 mm	HC/UH
SNJ54HC191FK	Texas Instruments	BINARY COUNTER	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED	YES	1	14000000 Hz	CMOS	MIL-PRF-38535	4		TUBE	5	2/6	50 pF	CHIP CARRIER	LCC20,.35SQ	SYNCHRONOUS	288 ns	5.2 Amp	Counters	1.27 mm	125 Cel	BIDIRECTIONAL		POSITIVE EDGE	-55 Cel	TIN LEAD	QUAD	16 MHz	S-CQCC-N20		6 V	2.03 mm	8.89 mm	Not Qualified	2 V	.08 mA	RCO OUTPUT	e0			8.89 mm	HC/UH
SNJ54LS163AFK	Texas Instruments	BINARY COUNTER	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED	YES	1	25000000 Hz	TTL	MIL-PRF-38535	4		TUBE	5	5	15 pF	CHIP CARRIER	LCC20,.35SQ	SYNCHRONOUS	27 ns	8 Amp	Counters	1.27 mm	125 Cel	UP		POSITIVE EDGE	-55 Cel	TIN LEAD	QUAD	25 MHz	S-CQCC-N20		5.25 V	2.03 mm	8.89 mm	Not Qualified	4.75 V	32 mA	TCO OUTPUT	e0			8.89 mm	LS
SNJ54HC163FK	Texas Instruments	BINARY COUNTER	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED	YES	1	21000000 Hz	CMOS	MIL-PRF-38535	4		TUBE	5	2/6	50 pF	CHIP CARRIER	LCC20,.35SQ	SYNCHRONOUS	310 ns	5.2 Amp	Counters	1.27 mm	125 Cel	UP		POSITIVE EDGE	-55 Cel	TIN LEAD	QUAD	25 MHz	S-CQCC-N20		6 V	2.03 mm	8.89 mm	Not Qualified	2 V	.08 mA	RCO OUTPUT	e0			8.89 mm	HC/UH
SNJ54HC393FK	Texas Instruments	BINARY COUNTER	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED	YES	2	21000000 Hz	CMOS	MIL-PRF-38535	4		TUBE	5	2/6	50 pF	CHIP CARRIER	LCC20,.35SQ	ASYNCHRONOUS	430 ns	5.2 Amp	Counters	1.27 mm	125 Cel	UP		NEGATIVE EDGE	-55 Cel	Tin/Lead (Sn/Pb)	QUAD	25 MHz	S-CQCC-N20		6 V	2.03 mm	8.89 mm	Not Qualified	2 V	.08 mA		e0	NOT SPECIFIED	NOT SPECIFIED	8.89 mm	HC/UH
SNJ54LS390FK	Texas Instruments	DECADE COUNTER	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED	YES	4	25000000 Hz	TTL	MIL-PRF-38535	3		TUBE	5	5	15 pF	CHIP CARRIER	LCC20,.35SQ	ASYNCHRONOUS	60 ns	8 Amp	Counters	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
SN54LS693J	Texas Instruments	BINARY COUNTER	MILITARY	THROUGH-HOLE	20	DIP	RECTANGULAR	CERAMIC, METAL-SEALED COFIRED	NO	1		TTL		4	YES		5		45 pF	IN-LINE	DIP20,.3	SYNCHRONOUS	25 ns		Counters	2.54 mm	125 Cel	UP	3-STATE	POSITIVE EDGE	-55 Cel		DUAL		R-CDIP-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
SN74LS693N	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	25 ns		Counters	2.54 mm	70 Cel	UP	3-STATE	POSITIVE EDGE	0 Cel		DUAL		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		NOT SPECIFIED	NOT SPECIFIED	24.325 mm	LS
SNJ54LS697J	Texas Instruments	BINARY COUNTER	MILITARY	THROUGH-HOLE	20	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	1		TTL	38535Q/M;38534H;883B	4	YES	TUBE	5		45 pF	IN-LINE	DIP20,.3	SYNCHRONOUS	40 ns	24 Amp	Counters	2.54 mm	125 Cel	BIDIRECTIONAL	3-STATE	POSITIVE EDGE	-55 Cel	TIN LEAD	DUAL	20 MHz	R-GDIP-T20		5.25 V	5.08 mm	6.92 mm	Not Qualified	4.75 V	70 mA	REGISTER/COUNTER OUTPUT SELECT; TCO OUTPUT; REGISTERED OUTPUTS	e0			24.2 mm	LS
SNJ54LS699J	Texas Instruments	BINARY COUNTER	MILITARY	THROUGH-HOLE	20	DIP	RECTANGULAR	CERAMIC, METAL-SEALED COFIRED	NO	1		TTL	38535Q/M;38534H;883B	4	YES		5		45 pF	IN-LINE	DIP20,.3	SYNCHRONOUS	40 ns		Counters	2.54 mm	125 Cel	BIDIRECTIONAL	3-STATE	POSITIVE EDGE	-55 Cel		DUAL	20 MHz	R-CDIP-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
SNJ54LS169BFK	Texas Instruments	BINARY COUNTER	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED	YES	1	20000000 Hz	TTL	MIL-PRF-38535	4		TUBE	5	5	45 pF	CHIP CARRIER	LCC20,.35SQ	SYNCHRONOUS	25 ns	24 Amp	Counters	1.27 mm	125 Cel	BIDIRECTIONAL		POSITIVE EDGE	-55 Cel	TIN LEAD	QUAD	20 MHz	S-CQCC-N20		5.5 V	2.03 mm	8.89 mm	Not Qualified	4.5 V	45 mA	TCO OUTPUT	e0			8.89 mm	LS
SNJ54LS393FK	Texas Instruments	BINARY COUNTER	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED	YES	2	25000000 Hz	TTL	MIL-PRF-38535	4		TUBE	5	5	15 pF	CHIP CARRIER	LCC20,.35SQ	ASYNCHRONOUS	60 ns	8 Amp	Counters	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
SN54LS593J	Texas Instruments	BINARY COUNTER	MILITARY	THROUGH-HOLE	20	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	1	20000000 Hz	TTL		8		TUBE	5		45 pF	IN-LINE	DIP20,.3	ASYNCHRONOUS	39 ns	24 Amp	Counters	2.54 mm	125 Cel	UP	3-STATE	POSITIVE EDGE	-55 Cel	Tin/Lead (Sn/Pb)	DUAL	20 MHz	R-GDIP-T20		5.25 V	5.08 mm	7.62 mm	Not Qualified	4.75 V	80 mA	TCO OUTPUT; REGISTERED INPUTS; MULTIPLEXED I/O	e0	NOT SPECIFIED	NOT SPECIFIED	24.195 mm	LS
SNJ54LS593J	Texas Instruments	BINARY COUNTER	MILITARY	THROUGH-HOLE	20	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	1	20000000 Hz	TTL	MIL-PRF-38535	8		TUBE	5		45 pF	IN-LINE	DIP20,.3	ASYNCHRONOUS	39 ns	24 Amp	Counters	2.54 mm	125 Cel	UP	3-STATE	POSITIVE EDGE	-55 Cel	Tin/Lead (Sn/Pb)	DUAL	20 MHz	R-GDIP-T20		5.25 V	5.08 mm	7.62 mm	Not Qualified	4.75 V	80 mA	TCO OUTPUT; REGISTERED INPUTS; MULTIPLEXED I/O	e0	NOT SPECIFIED	NOT SPECIFIED	24.195 mm	LS
SN74LS593DWR	Texas Instruments	BINARY COUNTER	COMMERCIAL	GULL WING	20	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1	20000000 Hz	TTL		8		TR	5		45 pF	SMALL OUTLINE	SOP20,.4	ASYNCHRONOUS	39 ns	24 Amp	Counters	1.27 mm	70 Cel	UP	3-STATE	POSITIVE EDGE	0 Cel	Nickel/Palladium/Gold (Ni/Pd/Au)	DUAL	20 MHz	R-PDSO-G20	1	5.25 V	2.65 mm	7.5 mm	Not Qualified	4.75 V	80 mA	TCO OUTPUT; REGISTERED INPUTS; MULTIPLEXED I/O	e4	NOT SPECIFIED	260	12.8 mm	LS
SNJ54LS592FK	Texas Instruments	BINARY COUNTER	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED	YES	1		TTL	MIL-PRF-38535	8	YES		5		45 pF	CHIP CARRIER	LCC20,.35SQ	ASYNCHRONOUS	30 ns		Counters	1.27 mm	125 Cel	UP	3-STATE	POSITIVE EDGE	-55 Cel		QUAD	20 MHz	S-CQCC-N20		5.5 V	2.03 mm	8.89 mm	Not Qualified	4.5 V	60 mA	REGISTERED INPUTS		NOT SPECIFIED	NOT SPECIFIED	8.89 mm	LS
SNJ54LS593FK	Texas Instruments	BINARY COUNTER	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED	YES	1		TTL	MIL-PRF-38535	8	YES		5		45 pF	CHIP CARRIER	LCC20,.35SQ	ASYNCHRONOUS	39 ns		Counters	1.27 mm	125 Cel	UP	3-STATE	POSITIVE EDGE	-55 Cel		QUAD	20 MHz	S-CQCC-N20		5.5 V	2.03 mm	8.89 mm	Not Qualified	4.5 V	80 mA	TCO OUTPUT; REGISTERED INPUTS; MULTIPLEXED I/O		NOT SPECIFIED	NOT SPECIFIED	8.89 mm	LS
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
SNJ54LS590FK	Texas Instruments	BINARY COUNTER	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED	YES	1	20000000 Hz	TTL	MIL-PRF-38535	8		TUBE	5	5	45 pF	CHIP CARRIER	LCC20,.35SQ	ASYNCHRONOUS	33 ns	24 Amp	Counters	1.27 mm	125 Cel	UP	3-STATE	POSITIVE EDGE	-55 Cel	TIN LEAD	QUAD	35 MHz	S-CQCC-N20		5.25 V	2.03 mm	8.89 mm	Not Qualified	4.75 V	65 mA	TCO OUTPUT; REGISTERED OUTPUTS	e0			8.89 mm	LS
SNJ54HC190FK	Texas Instruments	DECADE COUNTER	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC	YES	1		CMOS	38535Q/M;38534H;883B		YES			2/6		CHIP CARRIER	LCC20,.35SQ	ASYNCHRONOUS			Counters	1.27 mm	125 Cel	BIDIRECTIONAL			-55 Cel		QUAD		S-XQCC-N20					Not Qualified
JM38510/38001B2A	Texas Instruments	BINARY COUNTER	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED	YES	1		TTL	MIL-M-38510 Class B	4		TUBE	5			CHIP CARRIER		SYNCHRONOUS	25 ns	8 Amp		1.27 mm	125 Cel	UP		POSITIVE EDGE	-55 Cel	TIN LEAD	QUAD	22 MHz	S-CQCC-N20		5.5 V	2.03 mm	8.89 mm	Not Qualified	4.5 V	21 mA	TCO OUTPUT	e0			8.89 mm	ALS
JM38510/38002B2A	Texas Instruments	BINARY COUNTER	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED	YES	1		TTL	MIL-M-38510 Class B	4		TUBE	5			CHIP CARRIER		SYNCHRONOUS	25 ns	8 Amp		1.27 mm	125 Cel	UP		POSITIVE EDGE	-55 Cel	TIN LEAD	QUAD	22 MHz	S-CQCC-N20		5.5 V	2.03 mm	8.89 mm	Not Qualified	4.5 V	21 mA	TCO OUTPUT	e0			8.89 mm	ALS
SN74ALS561ADWG4	Texas Instruments	BINARY COUNTER	COMMERCIAL	GULL WING	20	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1		TTL		4	YES	TUBE	5	5		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	36 mA	TCO OUTPUT; COUNT ENABLE INPUTS		NOT SPECIFIED	NOT SPECIFIED	12.8 mm	ALS
SN74ALS569ADWG4	Texas Instruments	BINARY COUNTER	COMMERCIAL	GULL WING	20	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1		TTL		4	YES	TUBE	5	5		SMALL OUTLINE	SOP20,.4	SYNCHRONOUS	16 ns	24 Amp	Counters	1.27 mm	70 Cel	BIDIRECTIONAL	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	32 mA	TCO OUTPUT; CLOCKED CARRY OUTPUT		NOT SPECIFIED	NOT SPECIFIED	12.8 mm	ALS
N74F579N,602	NXP Semiconductors	BINARY COUNTER	COMMERCIAL	THROUGH-HOLE	20	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1	80000000 Hz	TTL		8	YES		5	5	50 pF	IN-LINE	DIP20,.3	SYNCHRONOUS	11.5 ns	24 Amp	Counters	2.54 mm	70 Cel	BIDIRECTIONAL	3-STATE	POSITIVE EDGE	0 Cel	NICKEL PALLADIUM GOLD	DUAL	80 MHz	R-PDIP-T20		5.5 V	4.2 mm	7.62 mm	Not Qualified	4.5 V	145 mA	TCO OUTPUT; MULTIPLEXED I/O	e4			26.73 mm	F/FAST
MC10H016FNR2G	Onsemi	BINARY COUNTER	COMMERCIAL EXTENDED	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1	200000000 Hz	ECL		4	YES	TR				CHIP CARRIER	LDCC20,.4SQ	SYNCHRONOUS	2.5 ns		Counters	1.27 mm	75 Cel	UP		POSITIVE EDGE	0 Cel	TIN	QUAD	200 MHz	S-PQCC-J20	3		4.57 mm	8.965 mm	Not Qualified		126 mA		e3	30	260	8.965 mm	10H
SN74ALS561ANE4	Texas Instruments	BINARY COUNTER	COMMERCIAL	THROUGH-HOLE	20	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1	30000000 Hz	TTL		4		TUBE	5	5	50 pF	IN-LINE	DIP20,.3	SYNCHRONOUS	18 ns	24 Amp	Counters	2.54 mm	70 Cel	UP	3-STATE	POSITIVE EDGE	0 Cel	Nickel/Palladium/Gold (Ni/Pd/Au)	DUAL	30 MHz	R-PDIP-T20		5.5 V	5.08 mm	7.62 mm	Not Qualified	4.5 V	33 mA	TCO OUTPUT; COUNT ENABLE INPUTS	e4	NOT SPECIFIED	NOT SPECIFIED	24.325 mm	ALS
SN74LV8154PW	Texas Instruments	BINARY COUNTER	INDUSTRIAL	GULL WING	20	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	1	25000000 Hz	CMOS		16		TUBE	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	.02 mA	EIGHT OUTPUTS AVAILABLE	e4	30	260	6.5 mm	LV/LV-A/LVX/H
SN74LV8154NE4	Texas Instruments	BINARY COUNTER	INDUSTRIAL	THROUGH-HOLE	20	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1	25000000 Hz	CMOS		16		TUBE	3.3	3.3	50 pF	IN-LINE	DIP20,.3	SYNCHRONOUS	42 ns	12 Amp	Counters	2.54 mm	85 Cel	UP	3-STATE	POSITIVE EDGE	-40 Cel	NICKEL PALLADIUM GOLD	DUAL	40 MHz	R-PDIP-T20	1	5.5 V	5.08 mm	7.62 mm	Not Qualified	2 V	.02 mA	EIGHT OUTPUTS AVAILABLE	e4			25.4 mm	LV/LV-A/LVX/H

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.