MILITARY Digital Counters 2,400+

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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	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
TF4363AJ	Texas Instruments	BINARY COUNTER	MILITARY	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC	NO	1	1000000 Hz	CMOS			YES			3/15	50 pF	IN-LINE	DIP16,.3	SYNCHRONOUS		.4 Amp	Counters	2.54 mm	125 Cel	UP			-55 Cel		DUAL		R-XDIP-T16				Not Qualified					NOT SPECIFIED	NOT SPECIFIED
SNJ54AS169FK	Texas Instruments	BINARY COUNTER	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED	YES	1	65000000 Hz	TTL	38535Q/M;38534H;883B	4	YES		5	5	50 pF	CHIP CARRIER	LCC20,.35SQ	SYNCHRONOUS	14 ns	20 Amp	Counters	1.27 mm	125 Cel	BIDIRECTIONAL		POSITIVE EDGE	-55 Cel		QUAD	65 MHz	S-CQCC-N20	5.5 V	2.03 mm	8.89 mm	Not Qualified	4.5 V	63 mA	TCO OUTPUT		NOT SPECIFIED	NOT SPECIFIED	8.89 mm	AS
DM5490AJ/883B	Texas Instruments	DECADE COUNTER	MILITARY	THROUGH-HOLE	14	DIP	RECTANGULAR	CERAMIC	NO	1	16000000 Hz	TTL	38535Q/M;38534H;883B		NO		5	5		IN-LINE	DIP14,.3	ASYNCHRONOUS		16 Amp	Counters	2.54 mm	125 Cel	UP			-55 Cel	Tin/Lead (Sn/Pb)	DUAL		R-XDIP-T14				Not Qualified		42 mA		e0
54F161ADM	Texas Instruments	BINARY COUNTER	MILITARY	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	1		TTL		4	YES		5			IN-LINE		SYNCHRONOUS	11.5 ns			2.54 mm	125 Cel	UP		POSITIVE EDGE	-55 Cel		DUAL	75 MHz	R-GDIP-T16	5.5 V	5.08 mm	7.62 mm		4.5 V		LG_MAX				19.94 mm	F/FAST
M38510/32702B2X	Texas Instruments	BINARY 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	93 ns				125 Cel	UP		POSITIVE EDGE	-55 Cel		QUAD	25 MHz	S-CQCC-N20	5.5 V			Qualified	4.5 V							LS
SNJ54F160AJ	Texas Instruments	DECADE COUNTER	MILITARY	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	1		TTL	38535Q/M;38534H;883B	4	YES		5	5		IN-LINE	DIP16,.3	SYNCHRONOUS			Counters	2.54 mm	125 Cel	UP		POSITIVE EDGE	-55 Cel		DUAL		R-GDIP-T16	5.5 V	5.08 mm	7.62 mm	Not Qualified	4.5 V	55 mA	TCO OUTPUT		NOT SPECIFIED	NOT SPECIFIED	19.56 mm	F/FAST
SNJ54160J-00	Texas Instruments	DECADE COUNTER	MILITARY	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	1		TTL		4	YES		5		15 pF	IN-LINE		SYNCHRONOUS	29 ns			2.54 mm	125 Cel	UP		POSITIVE EDGE	-55 Cel		DUAL	25 MHz	R-GDIP-T16	5.5 V	5.08 mm	7.62 mm	Not Qualified	4.5 V	91 mA					19.56 mm	TTL/H/L
M38510/05601BEX	Texas Instruments	DECADE COUNTER	MILITARY	THROUGH-HOLE	16		RECTANGULAR	CERAMIC, METAL-SEALED COFIRED	NO	1		CMOS		10	YES					IN-LINE		SYNCHRONOUS					125 Cel	UP		POSITIVE EDGE	-55 Cel		DUAL		R-CDIP-T16	18 V			Not Qualified	3 V							4000/14000/40000
84075012X	Texas Instruments	BINARY COUNTER	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED	YES	1		CMOS	MIL-PRF-38535	4	YES		5			CHIP CARRIER		SYNCHRONOUS	310 ns			1.27 mm	125 Cel	UP		POSITIVE EDGE	-55 Cel		QUAD	25 MHz	S-CQCC-N20	6 V	2.03 mm	8.89 mm	Qualified	2 V		RCO OUTPUT		NOT APPLICABLE	NOT APPLICABLE	8.89 mm	HC/UH
SNJ54L90T-00	Texas Instruments	DECADE COUNTER	MILITARY	FLAT	14	DFP	RECTANGULAR	METAL	YES	2		TTL		3	YES		5			FLATPACK		ASYNCHRONOUS				1.27 mm	125 Cel	UP		NEGATIVE EDGE	-55 Cel		DUAL	3 MHz	R-MDFP-F14	5.5 V	1.27 mm	3.685 mm	Not Qualified	4.5 V	7.2 mA	DIVIDE BY 2 AND DIVIDE BY 5 FUNCTIONS				6.48 mm	TTL/H/L
SNJ54ALS191AW	Texas Instruments	BINARY COUNTER	MILITARY	FLAT	16	DFP	RECTANGULAR	CERAMIC, GLASS-SEALED	YES	1	20000000 Hz	TTL	MIL-PRF-38535	4		TUBE	5	5		FLATPACK	FL16,.3	SYNCHRONOUS	26 ns	8 Amp	Counters	1.27 mm	125 Cel	BIDIRECTIONAL		POSITIVE EDGE	-55 Cel	Tin/Lead (Sn/Pb)	DUAL	20 MHz	R-GDFP-F16	5.5 V	2.03 mm	6.73 mm	Not Qualified	4.5 V	22 mA	TCO OUTPUT	e0	NOT SPECIFIED	NOT SPECIFIED	10.16 mm	ALS
SNJ54LS197W-00	Texas Instruments	BINARY COUNTER	MILITARY	FLAT	14	DFP	RECTANGULAR	CERAMIC, GLASS-SEALED	YES	2		TTL		3	YES		5		15 pF	FLATPACK		ASYNCHRONOUS	116 ns			1.27 mm	125 Cel	UP		NEGATIVE EDGE	-55 Cel		DUAL	30 MHz	R-GDFP-F14	5.5 V	2.03 mm	6.29 mm	Not Qualified	4.5 V	27 mA	DIVIDE BY 2 AND DIVIDE BY 8 FUNCTIONS				9.21 mm	LS
SNJ54143W-10	Texas Instruments	DISPLAY DRIVER COUNTER	MILITARY	FLAT	24	DFP	RECTANGULAR	CERAMIC, GLASS-SEALED	YES	1		TTL		4	YES		5		15 pF	FLATPACK		SYNCHRONOUS	60 ns			1.27 mm	125 Cel	UP	OPEN-COLLECTOR	POSITIVE EDGE	-55 Cel		DUAL	12 MHz	R-GDFP-F24	5.5 V	2.29 mm	9.09 mm	Not Qualified	4.5 V	93 mA					14.36 mm	TTL/H/L
M38510/32703BEX	Texas Instruments	DECADE COUNTER	MILITARY	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	1		TTL		4	YES		5			IN-LINE		ASYNCHRONOUS	77 ns				125 Cel	UP		POSITIVE EDGE	-55 Cel		DUAL	25 MHz	R-GDIP-T16	5.5 V			Not Qualified	4.5 V							LS
8409401FX	Texas Instruments	BINARY COUNTER	MILITARY	FLAT	16	DFP	RECTANGULAR	UNSPECIFIED	YES	1		CMOS	MIL-STD-883	4	YES		4.5			FLATPACK		SYNCHRONOUS	310 ns				125 Cel	UP		POSITIVE EDGE	-55 Cel		DUAL	20 MHz	R-XDFP-F16	6 V			Not Qualified	2 V							HC/UH
8302502RX	Texas Instruments	BINARY COUNTER	MILITARY	THROUGH-HOLE	20	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	1		TTL	MIL-STD-883	4	YES		5			IN-LINE		SYNCHRONOUS	21 ns			2.54 mm	125 Cel	BIDIRECTIONAL	3-STATE	POSITIVE EDGE	-55 Cel		DUAL	22 MHz	R-GDIP-T20	5.5 V	5.08 mm	7.62 mm	Qualified	4.5 V		TCO OUTPUT; CLOCKED CARRY OUTPUT		NOT APPLICABLE	NOT APPLICABLE	24.195 mm	ALS
CD54ACT161H	Texas Instruments	BINARY COUNTER	MILITARY	NO LEAD	16	DIE	UNSPECIFIED	UNSPECIFIED	YES	1		CMOS		4	YES		5			UNCASED CHIP		SYNCHRONOUS	16.5 ns				125 Cel	UP		POSITIVE EDGE	-55 Cel		UPPER	80 MHz	X-XUUC-N16	5.5 V			Not Qualified	4.5 V		TCO OUTPUT					AC
SNC54ALS191FH	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	BIDIRECTIONAL			-55 Cel		QUAD		S-XQCC-N20				Not Qualified
SNC54163J	Texas Instruments	BINARY COUNTER	MILITARY	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC	NO	1		TTL	MIL-STD-883 Class B (Modified)		YES		5	5		IN-LINE	DIP16,.3	SYNCHRONOUS			Counters	2.54 mm	125 Cel	UP			-55 Cel		DUAL		R-XDIP-T16				Not Qualified
M38510/31513SEX	Texas Instruments	DECADE COUNTER	MILITARY	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	1		TTL		4	YES		5			IN-LINE		SYNCHRONOUS	80 ns				125 Cel	BIDIRECTIONAL		POSITIVE EDGE	-55 Cel		DUAL	18 MHz	R-GDIP-T16	5.5 V			Not Qualified	4.5 V							LS
SNC54HC160FH	Texas Instruments	DECADE COUNTER	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC	YES	1		CMOS	MIL-STD-883 Class B (Modified)		YES			2/6		CHIP CARRIER	LCC20,.35SQ	SYNCHRONOUS			Counters	1.27 mm	125 Cel	UP			-55 Cel		QUAD		S-XQCC-N20				Not Qualified
SNJ54LS161AW-00	Texas Instruments	BINARY COUNTER	MILITARY	FLAT	16	DFP	RECTANGULAR	CERAMIC, GLASS-SEALED	YES	1		TTL		4	YES		5		15 pF	FLATPACK		SYNCHRONOUS	27 ns			1.27 mm	125 Cel	UP		POSITIVE EDGE	-55 Cel		DUAL	25 MHz	R-GDFP-F16	5.5 V	2.03 mm	6.73 mm	Not Qualified	4.5 V	32 mA					10.2 mm	LS
SNJ54LS293J	Texas Instruments	BINARY COUNTER	MILITARY	THROUGH-HOLE	14	DIP	RECTANGULAR	CERAMIC, METAL-SEALED COFIRED	NO	2		TTL	38535Q/M;38534H;883B	3	NO		5	5		IN-LINE	DIP14,.3	ASYNCHRONOUS	51 ns		Counters	2.54 mm	125 Cel	UP		NEGATIVE EDGE	-55 Cel		DUAL	32 MHz	R-CDIP-T14	5.5 V	5.08 mm	7.62 mm	Not Qualified	4.5 V	15 mA	DIVIDE BY 2 AND DIVIDE BY 8 FUNCTIONS		NOT SPECIFIED	NOT SPECIFIED	19.56 mm	LS
83022022A	Texas Instruments	BINARY COUNTER	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED	YES	1	35000000 Hz	TTL	MIL-STD-883	4		TUBE	5	5		CHIP CARRIER	LCC20,.35SQ	SYNCHRONOUS	25 ns	8 Amp	Counter	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	Qualified	4.5 V	21 mA	TCO OUTPUT	e0			8.89 mm	ALS
SNJ54LS698FK	Texas Instruments	DECADE COUNTER	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED	YES	1		TTL	38535Q/M;38534H;883B	4	YES		5		45 pF	CHIP CARRIER	LCC20,.35SQ	SYNCHRONOUS	25 ns		Counters	1.27 mm	125 Cel	BIDIRECTIONAL	3-STATE	POSITIVE EDGE	-55 Cel		QUAD		S-CQCC-N20	5.5 V	2.03 mm	8.89 mm	Not Qualified	4.5 V	70 mA	REGISTER/COUNTER OUTPUT SELECT; TCO OUTPUT; REGISTERED OUTPUTS		NOT SPECIFIED	NOT SPECIFIED	8.89 mm	LS
SNJ54L90T-04	Texas Instruments	DECADE COUNTER	MILITARY	FLAT	14	DFP	RECTANGULAR	METAL	YES	2		TTL		3	YES		5			FLATPACK		ASYNCHRONOUS				1.27 mm	125 Cel	UP		NEGATIVE EDGE	-55 Cel		DUAL	3 MHz	R-MDFP-F14	5.5 V	1.27 mm	3.685 mm	Not Qualified	4.5 V	7.2 mA	DIVIDE BY 2 AND DIVIDE BY 5 FUNCTIONS				6.48 mm	TTL/H/L
SNC54176J	Texas Instruments	DECADE COUNTER	MILITARY	THROUGH-HOLE	14	DIP	RECTANGULAR	CERAMIC	NO	1		TTL	MIL-STD-883 Class B (Modified)		NO		5	5		IN-LINE	DIP14,.3	ASYNCHRONOUS			Counters	2.54 mm	125 Cel	UP			-55 Cel		DUAL		R-XDIP-T14				Not Qualified
54F191DM	Texas Instruments	BINARY COUNTER	MILITARY	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	1		TTL		4	YES		5			IN-LINE		SYNCHRONOUS	13.5 ns			2.54 mm	125 Cel	BIDIRECTIONAL		POSITIVE EDGE	-55 Cel		DUAL	75 MHz	R-GDIP-T16	5.5 V	5.08 mm	7.62 mm		4.5 V		LG_MAX				19.94 mm	F/FAST
SNJ54AS162FKR	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	14 ns			1.27 mm	125 Cel	UP		POSITIVE EDGE	-55 Cel		QUAD	65 MHz	S-CQCC-N20	5.5 V	2.03 mm	8.89 mm	Not Qualified	4.5 V	53 mA	TCO OUTPUT				8.89 mm	AS
SNJ54LS191W-00	Texas Instruments	BINARY COUNTER	MILITARY	FLAT	16	DFP	RECTANGULAR	CERAMIC, GLASS-SEALED	YES	1		TTL		4	YES		5		15 pF	FLATPACK		SYNCHRONOUS	36 ns			1.27 mm	125 Cel	BIDIRECTIONAL		POSITIVE EDGE	-55 Cel		DUAL	20 MHz	R-GDFP-F16	5.5 V	2.03 mm	6.73 mm	Not Qualified	4.5 V	35 mA					10.2 mm	LS
SNJ54ALS162AJ	Texas Instruments	BINARY COUNTER	MILITARY	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC	NO	1	25000000 Hz	TTL	38535Q/M;38534H;883B		YES		5	5		IN-LINE	DIP16,.3	SYNCHRONOUS			Counters	2.54 mm	125 Cel	UP			-55 Cel		DUAL		R-XDIP-T16				Not Qualified					NOT SPECIFIED	NOT SPECIFIED
SNJ54ALS168AFH	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			-55 Cel		QUAD		S-XQCC-N20				Not Qualified
M38510/31503SFA	Texas Instruments	DECADE COUNTER	MILITARY	FLAT	16	DFP	RECTANGULAR	CERAMIC, GLASS-SEALED	YES	1		TTL	MIL-PRF-38535 Class S	4	YES		5			FLATPACK		SYNCHRONOUS	56 ns				125 Cel	UP		POSITIVE EDGE	-55 Cel		DUAL	22 MHz	R-GDFP-F16	5.5 V			Not Qualified	4.5 V							LS
SNJ54L90T-14	Texas Instruments	DECADE COUNTER	MILITARY	FLAT	14	DFP	RECTANGULAR	METAL	YES	2		TTL		3	YES		5			FLATPACK		ASYNCHRONOUS				1.27 mm	125 Cel	UP		NEGATIVE EDGE	-55 Cel		DUAL	3 MHz	R-MDFP-F14	5.5 V	1.27 mm	3.685 mm	Not Qualified	4.5 V	7.2 mA	DIVIDE BY 2 AND DIVIDE BY 5 FUNCTIONS				6.48 mm	TTL/H/L
SNJ54LS161AW-10	Texas Instruments	BINARY COUNTER	MILITARY	FLAT	16	DFP	RECTANGULAR	CERAMIC, GLASS-SEALED	YES	1		TTL		4	YES		5		15 pF	FLATPACK		SYNCHRONOUS	27 ns			1.27 mm	125 Cel	UP		POSITIVE EDGE	-55 Cel		DUAL	25 MHz	R-GDFP-F16	5.5 V	2.03 mm	6.73 mm	Not Qualified	4.5 V	32 mA					10.2 mm	LS
CD54HCT4516F	Texas Instruments	BINARY COUNTER	MILITARY	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	1		CMOS		4	YES		5			IN-LINE		SYNCHRONOUS	75 ns			2.54 mm	125 Cel	BIDIRECTIONAL		POSITIVE EDGE	-55 Cel		DUAL	20 MHz	R-GDIP-T16	5.5 V	5.08 mm	7.62 mm	Not Qualified	4.5 V						19.56 mm	HCT
SNJ54ALS169BFH	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	BIDIRECTIONAL			-55 Cel		QUAD		S-XQCC-N20				Not Qualified
M38510/31504SFA	Texas Instruments	BINARY COUNTER	MILITARY	FLAT	16	DFP	RECTANGULAR	CERAMIC, GLASS-SEALED	YES	1		TTL	MIL-PRF-38535 Class S	4	YES		5			FLATPACK		SYNCHRONOUS	56 ns				125 Cel	UP		POSITIVE EDGE	-55 Cel		DUAL	22 MHz	R-GDFP-F16	5.5 V			Not Qualified	4.5 V							LS
CD54HC160F3A	Texas Instruments	DECADE COUNTER	MILITARY	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	1	20000000 Hz	CMOS	MIL-STD-883	4	YES		4.5	2/6	50 pF	IN-LINE	DIP16,.3	SYNCHRONOUS	280 ns	4 Amp	Counters	2.54 mm	125 Cel	UP		POSITIVE EDGE	-55 Cel		DUAL	24 MHz	R-GDIP-T16	6 V	5.08 mm	7.62 mm	Not Qualified	2 V				NOT SPECIFIED	NOT SPECIFIED	19.56 mm	HC/UH
83022012A	Texas Instruments	BINARY COUNTER	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED	YES	1	25000000 Hz	TTL	MIL-STD-883	4		TUBE	5	5		CHIP CARRIER	LCC20,.35SQ	SYNCHRONOUS	25 ns	8 Amp	Counter	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	Qualified	4.5 V	21 mA	TCO OUTPUT	e0			8.89 mm	ALS
SNC54ALS568J	Texas Instruments	DECADE 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
CD54HC4020F	Texas Instruments	BINARY COUNTER	MILITARY	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	1	20000000 Hz	CMOS		14		TUBE	4.5	2/6	50 pF	IN-LINE	DIP16,.3	ASYNCHRONOUS	210 ns	5.2 Amp	Counters	2.54 mm	125 Cel	UP		NEGATIVE EDGE	-55 Cel	Tin/Lead (Sn/Pb)	DUAL	24 MHz	R-GDIP-T16	6 V	5.08 mm	7.62 mm	Not Qualified	2 V	.08 mA	OUTPUT FROM 12 STAGES AVAILABLE	e0	NOT SPECIFIED	NOT SPECIFIED	19.56 mm	HC/UH
SNJ54AS163FH-00	Texas Instruments	BINARY 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
SNJ54L93T-04	Texas Instruments	BINARY COUNTER	MILITARY	FLAT	14	DFP	RECTANGULAR	METAL	YES	2		TTL		3	YES		5			FLATPACK		ASYNCHRONOUS				1.27 mm	125 Cel	UP		NEGATIVE EDGE	-55 Cel		DUAL	3 MHz	R-MDFP-F14	5.5 V	1.27 mm	3.685 mm	Not Qualified	4.5 V	6.6 mA	DIVIDE BY 2 AND DIVIDE BY 8 FUNCTIONS				6.48 mm	TTL/H/L
SNJ54HC4020W	Texas Instruments	BINARY COUNTER	MILITARY	FLAT	16	DFP	RECTANGULAR	CERAMIC, GLASS-SEALED	YES	1	19000000 Hz	CMOS	MIL-PRF-38535	14		TUBE	5	2/6	50 pF	FLATPACK	FL16,.25	ASYNCHRONOUS	225 ns	5.2 Amp	Counter	1.27 mm	125 Cel	UP		NEGATIVE EDGE	-55 Cel	Tin/Lead (Sn/Pb)	DUAL	22 MHz	R-GDFP-F16	6 V	2.03 mm	6.73 mm	Not Qualified	2 V	.08 mA	12 OUTPUTS AVAILABLE	e0	NOT SPECIFIED	NOT SPECIFIED	10.16 mm	HC/UH
SNJ54ALS561FH	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
SNC54ALS162AFH	Texas Instruments	DECADE 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
SNJ54192W-10	Texas Instruments	DECADE COUNTER	MILITARY	FLAT	16	DFP	RECTANGULAR	CERAMIC, GLASS-SEALED	YES	1		TTL		4	YES		5		15 pF	FLATPACK		SYNCHRONOUS	47 ns			1.27 mm	125 Cel	BIDIRECTIONAL		POSITIVE EDGE	-55 Cel		DUAL	25 MHz	R-GDFP-F16	5.5 V	2.03 mm	6.73 mm	Not Qualified	4.5 V	89 mA					10.2 mm	TTL/H/L

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.