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
SNJ54ALS161AFH	Texas Instruments	BINARY COUNTER	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC	YES	1	25000000 Hz	TTL	38535Q/M;38534H;883B		YES		5	5		CHIP CARRIER	LCC20,.35SQ	SYNCHRONOUS			Counters	1.27 mm	125 Cel	UP			-55 Cel		QUAD		S-XQCC-N20					Not Qualified
54F192LMQB	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	BIDIRECTIONAL		POSITIVE EDGE	-55 Cel		QUAD	75 MHz	S-CQCC-N20		5.5 V	1.905 mm	8.89 mm		4.5 V						8.89 mm	F/FAST
SNJ54AS160FH	Texas Instruments	DECADE COUNTER	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC	YES	1		TTL	38535Q/M;38534H;883B		YES					CHIP CARRIER	LCC20,.35SQ	SYNCHRONOUS			Counters	1.27 mm	125 Cel	UP			-55 Cel		QUAD		S-XQCC-N20					Not Qualified
SNJ54ALS568J	Texas Instruments	DECADE COUNTER	MILITARY	THROUGH-HOLE	20	DIP	RECTANGULAR	CERAMIC	NO	1		TTL	38535Q/M;38534H;883B		YES		5	5		IN-LINE	DIP20,.3	SYNCHRONOUS			Counters	2.54 mm	125 Cel	BIDIRECTIONAL	3-STATE		-55 Cel		DUAL		R-XDIP-T20					Not Qualified					NOT SPECIFIED	NOT SPECIFIED
SNJ54LS691W	Texas Instruments	BINARY COUNTER	MILITARY	FLAT	20	DFP	RECTANGULAR	CERAMIC	YES	1		TTL	38535Q/M;38534H;883B		YES					FLATPACK	FL20,.3	SYNCHRONOUS			Counters	1.27 mm	125 Cel	UP	3-STATE		-55 Cel		DUAL		R-XDFP-F20					Not Qualified					NOT SPECIFIED	NOT SPECIFIED
SNJ54ACT11191J	Texas Instruments	BINARY COUNTER	MILITARY	THROUGH-HOLE	20	DIP	RECTANGULAR	CERAMIC	NO	1		CMOS	38535Q/M;38534H;883B		YES		5	5		IN-LINE	DIP20,.3	SYNCHRONOUS			Counters	2.54 mm	125 Cel	BIDIRECTIONAL			-55 Cel		DUAL		R-XDIP-T20					Not Qualified
SNJ54LS590FH	Texas Instruments	BINARY COUNTER	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC	YES	1		TTL	38535Q/M;38534H;883B		NO		5	5		CHIP CARRIER	LCC20,.35SQ	ASYNCHRONOUS			Counters	1.27 mm	125 Cel	UP	3-STATE		-55 Cel		QUAD		S-XQCC-N20					Not Qualified					NOT SPECIFIED	NOT SPECIFIED
SNJ54HC161FH	Texas Instruments	BINARY COUNTER	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC	YES	1		CMOS	38535Q/M;38534H;883B		YES			2/6		CHIP CARRIER	LCC20,.35SQ	SYNCHRONOUS			Counters	1.27 mm	125 Cel	UP			-55 Cel		QUAD		S-XQCC-N20					Not Qualified					NOT SPECIFIED	NOT SPECIFIED
74AC11160J	Texas Instruments	DECADE COUNTER	INDUSTRIAL	THROUGH-HOLE	20	DIP	RECTANGULAR	CERAMIC	NO	1		CMOS			YES			3.3/5		IN-LINE	DIP20,.3	SYNCHRONOUS			Counters	2.54 mm	85 Cel	UP			-40 Cel		DUAL		R-XDIP-T20					Not Qualified
74ACT11162DW	Texas Instruments	DECADE COUNTER	INDUSTRIAL	GULL WING	20	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1		CMOS		4	YES		5	5		SMALL OUTLINE	SOP20,.4	SYNCHRONOUS		24 Amp	Counters	1.27 mm	85 Cel	UP		POSITIVE EDGE	-40 Cel		DUAL		R-PDSO-G20		5.5 V	2.65 mm	7.5 mm	Not Qualified	4.5 V				NOT SPECIFIED	NOT SPECIFIED	12.8 mm	ACT
SNJ54ALS561AFH	Texas Instruments	BINARY COUNTER	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC	YES	1		TTL	38535Q/M;38534H;883B		YES		5	5		CHIP CARRIER	LCC20,.35SQ	SYNCHRONOUS			Counters	1.27 mm	125 Cel	UP	3-STATE		-55 Cel		QUAD		S-XQCC-N20					Not Qualified
74ACT11161J	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	UP			-40 Cel		DUAL		R-XDIP-T20					Not Qualified
SNJ54F162AFK-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
8302502RA	Texas Instruments	BINARY COUNTER	MILITARY	THROUGH-HOLE	20	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	1		TTL	MIL-STD-883	4		TUBE	5	5	50 pF	IN-LINE	DIP20,.3	SYNCHRONOUS	21 ns	24 Amp	Counter	2.54 mm	125 Cel	BIDIRECTIONAL	3-STATE	POSITIVE EDGE	-55 Cel	Tin/Lead (Sn/Pb)	DUAL	25 MHz	R-GDIP-T20		5.5 V	5.08 mm	7.62 mm	Qualified	4.5 V	32 mA	TCO OUTPUT; CLOCKED CARRY OUTPUT	e0	NOT SPECIFIED	NOT SPECIFIED	24.195 mm	LS
77010012X	Texas Instruments	DECADE COUNTER	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC	YES	1	17000000 Hz	TTL	38535Q/M;38534H;883B		NO		5	5		CHIP CARRIER	LCC20,.35SQ	ASYNCHRONOUS		4 Amp	Counters	1.27 mm	125 Cel	UP			-55 Cel		QUAD		S-XQCC-N20					Not Qualified		27 mA
SNJ54AS162FH-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
SNC54ALS561AFH	Texas Instruments	BINARY COUNTER	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC	YES	1		TTL	MIL-STD-883 Class B (Modified)		YES		5	5		CHIP CARRIER	LCC20,.35SQ	SYNCHRONOUS			Counters	1.27 mm	125 Cel	UP	3-STATE		-55 Cel		QUAD		S-XQCC-N20					Not Qualified
M38510/32703B2A	Texas Instruments	DECADE COUNTER	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED	YES	1		TTL	MIL-PRF-38535 Class B	4	YES		5			CHIP CARRIER		ASYNCHRONOUS	77 ns				125 Cel	UP		POSITIVE EDGE	-55 Cel		QUAD	25 MHz	S-CQCC-N20		5.5 V			Not Qualified	4.5 V							LS
SNC54ALS163AFH	Texas Instruments	BINARY COUNTER	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC	YES	1	25000000 Hz	TTL	MIL-STD-883 Class B (Modified)		YES		5	5		CHIP CARRIER	LCC20,.35SQ	SYNCHRONOUS			Counters	1.27 mm	125 Cel	UP			-55 Cel		QUAD		S-XQCC-N20					Not Qualified
54AC11162J	Texas Instruments	DECADE COUNTER	MILITARY	THROUGH-HOLE	20	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	1		CMOS		4	YES		5	3.3/5	50 pF	IN-LINE	DIP20,.3	SYNCHRONOUS	12.8 ns		Counters	2.54 mm	125 Cel	UP		POSITIVE EDGE	-55 Cel		DUAL	110 MHz	R-GDIP-T20		5.5 V	5.08 mm	7.62 mm	Not Qualified	3 V				NOT SPECIFIED	NOT SPECIFIED	24.195 mm	AC
83025022A	Texas Instruments	BINARY COUNTER	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED	YES	1		TTL	MIL-STD-883	4		TUBE	5	5	50 pF	CHIP CARRIER	LCC20,.35SQ	SYNCHRONOUS	21 ns	24 Amp	Counter	1.27 mm	125 Cel	BIDIRECTIONAL	3-STATE	POSITIVE EDGE	-55 Cel	TIN LEAD	QUAD	25 MHz	S-CQCC-N20		5.5 V	2.03 mm	8.89 mm	Qualified	4.5 V	32 mA	TCO OUTPUT; CLOCKED CARRY OUTPUT	e0			8.89 mm	LS
74AC11590DWR	Texas Instruments	BINARY COUNTER	INDUSTRIAL	GULL WING	20	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1	50000000 Hz	CMOS		8	NO	TR	5	3.3/5	50 pF	SMALL OUTLINE	SOP20,.4	ASYNCHRONOUS	12.1 ns	12 Amp	Counters	1.27 mm	85 Cel	UP	3-STATE	POSITIVE EDGE	-40 Cel		DUAL	80 MHz	R-PDSO-G20		5.5 V	2.65 mm	7.5 mm	Not Qualified	3 V		TCO OUTPUT; REGISTERED OUTPUTS; CENTER VCC/GND PINS		NOT SPECIFIED	NOT SPECIFIED	12.8 mm	AC
SNJ54ALS160FH	Texas Instruments	DECADE COUNTER	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC	YES	1	25000000 Hz	TTL	38535Q/M;38534H;883B		YES		5	5		CHIP CARRIER	LCC20,.35SQ	SYNCHRONOUS			Counters	1.27 mm	125 Cel	UP			-55 Cel		QUAD		S-XQCC-N20					Not Qualified
SNJ54ALS569AFH-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	18 ns			1.27 mm	125 Cel	BIDIRECTIONAL	3-STATE	POSITIVE EDGE	-55 Cel		QUAD	25 MHz	S-CQCC-N20		5.5 V	2.54 mm	8.89 mm	Not Qualified	4.5 V	32 mA	TCO OUTPUT; CLOCKED CARRY OUTPUT				8.89 mm	ALS
54F163ALM	Texas Instruments	BINARY 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	UP		POSITIVE EDGE	-55 Cel		QUAD	75 MHz	S-CQCC-N20		5.5 V	1.905 mm	8.89 mm		4.5 V						8.89 mm	F/FAST
SNJ54LS290FK	Texas Instruments	DECADE COUNTER	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED	YES	2		TTL	38535Q/M;38534H;883B	3	YES		5	5		CHIP CARRIER	LCC20,.35SQ	ASYNCHRONOUS	35 ns		Counters	1.27 mm	125 Cel	UP		NEGATIVE EDGE	-55 Cel		QUAD	16 MHz	S-CQCC-N20		5.5 V	2.03 mm	8.89 mm	Not Qualified	4.5 V	15 mA	DIVIDE BY 2 AND DIVIDE BY 5 FUNCTIONS		NOT SPECIFIED	NOT SPECIFIED	8.89 mm	LS
V62/06662-01XE	Texas Instruments	BINARY COUNTER	MILITARY	GULL WING	20	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	1	25000000 Hz	CMOS		16		TR	3.3	3.3	50 pF	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP20,.25	SYNCHRONOUS	42 ns	12 Amp	Counters	.65 mm	125 Cel	UP	3-STATE	POSITIVE EDGE	-55 Cel	NICKEL PALLADIUM GOLD	DUAL	25 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
SNJ54HC490FH	Texas Instruments	DECADE COUNTER	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC	YES	2		CMOS	38535Q/M;38534H;883B		NO					CHIP CARRIER	LCC20,.35SQ	ASYNCHRONOUS			Counters	1.27 mm	125 Cel	UP			-55 Cel		QUAD		S-XQCC-N20					Not Qualified
SNJ54HC191FKR	Texas Instruments	BINARY COUNTER	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED	YES	1		CMOS	MIL-PRF-38535	4	YES		5		50 pF	CHIP CARRIER		SYNCHRONOUS	288 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		RCO OUTPUT				8.89 mm	HC/UH
SNC54ALS569J	Texas Instruments	BINARY COUNTER	MILITARY	THROUGH-HOLE	20	DIP	RECTANGULAR	CERAMIC	NO	1		TTL	MIL-STD-883 Class B (Modified)		YES		5	5		IN-LINE	DIP20,.3	SYNCHRONOUS			Counters	2.54 mm	125 Cel	BIDIRECTIONAL	3-STATE		-55 Cel		DUAL		R-XDIP-T20					Not Qualified					NOT SPECIFIED	NOT SPECIFIED
SNJ54AS161FH	Texas Instruments	BINARY COUNTER	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC	YES	1	65000000 Hz	TTL	38535Q/M;38534H;883B		YES		5	5		CHIP CARRIER	LCC20,.35SQ	SYNCHRONOUS		20 Amp	Counters	1.27 mm	125 Cel	UP			-55 Cel		QUAD		S-XQCC-N20					Not Qualified		53 mA
SNJ54ALS568AJ	Texas Instruments	DECADE COUNTER	MILITARY	THROUGH-HOLE	20	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	1		TTL	38535Q/M;38534H;883B	4	YES		5	5	50 pF	IN-LINE	DIP20,.3	SYNCHRONOUS	19 ns		Counters	2.54 mm	125 Cel	BIDIRECTIONAL	3-STATE	POSITIVE EDGE	-55 Cel		DUAL	18 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		NOT SPECIFIED	NOT SPECIFIED	24.195 mm	ALS
M38510/31512B2A	Texas Instruments	BINARY COUNTER	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED	YES	1	22000000 Hz	TTL	MIL-PRF-38535 Class B	4	YES	TUBE	5	5		CHIP CARRIER	LCC20,.35SQ	SYNCHRONOUS	48 ns	8 Amp	Counter	1.27 mm	125 Cel	UP		POSITIVE EDGE	-55 Cel	TIN LEAD	QUAD	22 MHz	S-CQCC-N20		5.25 V	2.03 mm	8.89 mm	Qualified	4.75 V	32 mA		e0			8.89 mm	LS
SNJ54HC161FK-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
SNJ54ALS561J	Texas Instruments	BINARY COUNTER	MILITARY	THROUGH-HOLE	20	DIP	RECTANGULAR	CERAMIC	NO	1		TTL	38535Q/M;38534H;883B		YES		5	5		IN-LINE	DIP20,.3	SYNCHRONOUS			Counters	2.54 mm	125 Cel	UP	3-STATE		-55 Cel		DUAL		R-XDIP-T20					Not Qualified
74AC11160N	Texas Instruments	DECADE COUNTER	INDUSTRIAL	THROUGH-HOLE	20	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1	110000000 Hz	CMOS		4	YES		5	3.3/5	50 pF	IN-LINE	DIP20,.3	SYNCHRONOUS	17.2 ns	24 Amp	Counters	2.54 mm	85 Cel	UP		POSITIVE EDGE	-40 Cel		DUAL	110 MHz	R-PDIP-T20		5.5 V	5.08 mm	7.62 mm	Not Qualified	3 V				NOT SPECIFIED	NOT SPECIFIED	25.4 mm	AC
84094012X	Texas Instruments	BINARY COUNTER	MILITARY	NO LEAD	20	QCCN	SQUARE	UNSPECIFIED	YES	1		CMOS	MIL-STD-883	4	YES		4.5			CHIP CARRIER		SYNCHRONOUS	310 ns				125 Cel	UP		POSITIVE EDGE	-55 Cel		QUAD	20 MHz	S-XQCC-N20		6 V			Not Qualified	2 V							HC/UH
SNJ54ALS568AFH	Texas Instruments	DECADE COUNTER	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC	YES	1		TTL	38535Q/M;38534H;883B		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
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
SNJ54LS693J	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	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
SNJ54AC11160J	Texas Instruments	DECADE COUNTER	MILITARY	THROUGH-HOLE	20	DIP	RECTANGULAR	CERAMIC	NO	1		CMOS	38535Q/M;38534H;883B		YES			3.3/5		IN-LINE	DIP20,.3	SYNCHRONOUS			Counters	2.54 mm	125 Cel	UP			-55 Cel		DUAL		R-XDIP-T20					Not Qualified
SNJ54ACT11160J	Texas Instruments	DECADE COUNTER	MILITARY	THROUGH-HOLE	20	DIP	RECTANGULAR	CERAMIC	NO	1	100000000 Hz	CMOS	38535Q/M;38534H;883B		YES		5	5	50 pF	IN-LINE	DIP20,.3	SYNCHRONOUS		50 Amp	Counters	2.54 mm	125 Cel	UP			-55 Cel		DUAL		R-XDIP-T20					Not Qualified
SNC54AS168FH	Texas Instruments	DECADE COUNTER	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC	YES	1		TTL	MIL-STD-883 Class B (Modified)		YES					CHIP CARRIER	LCC20,.35SQ	SYNCHRONOUS			Counters	1.27 mm	125 Cel	BIDIRECTIONAL			-55 Cel		QUAD		S-XQCC-N20					Not Qualified
SNJ54HC590AFKR	Texas Instruments	BINARY COUNTER	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED	YES	1		CMOS	MIL-PRF-38535	8	YES		5		150 pF	CHIP CARRIER		ASYNCHRONOUS	447 ns			1.27 mm	125 Cel	UP	3-STATE	POSITIVE EDGE	-55 Cel		QUAD	16 MHz	S-CQCC-N20		6 V	2.03 mm	8.89 mm	Not Qualified	2 V		RCO OUTPUT; REGISTERED OUTPUTS				8.89 mm	HC/UH
74ACT11161D	Texas Instruments	BINARY COUNTER	INDUSTRIAL	GULL WING	20	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1		CMOS			YES		5	5		SMALL OUTLINE	SOP20,.4	SYNCHRONOUS			Counters	1.27 mm	85 Cel	UP			-40 Cel		DUAL		R-PDSO-G20					Not Qualified
SNJ54HC592FK	Texas Instruments	BINARY COUNTER	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC	YES	1		CMOS	38535Q/M;38534H;883B		NO		5	5		CHIP CARRIER	LCC20,.35SQ	SYNCHRONOUS			Counters	1.27 mm	125 Cel	UP	3-STATE		-55 Cel		QUAD		S-XQCC-N20					Not Qualified					NOT SPECIFIED	NOT SPECIFIED
SNJ54HC190FH	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
54AC11191J	Texas Instruments	BINARY COUNTER	MILITARY	THROUGH-HOLE	20	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	1		CMOS		4	YES		5	3.3/5	50 pF	IN-LINE	DIP20,.3	SYNCHRONOUS	11.3 ns		Counters	2.54 mm	125 Cel	BIDIRECTIONAL		POSITIVE EDGE	-55 Cel		DUAL	100 MHz	R-GDIP-T20		5.5 V	5.08 mm	7.62 mm	Not Qualified	3 V				NOT SPECIFIED	NOT SPECIFIED	24.195 mm	AC

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.