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
SNC54LS698J	Texas Instruments	DECADE COUNTER	MILITARY	THROUGH-HOLE	20	DIP	RECTANGULAR	CERAMIC	NO	1		TTL	MIL-STD-883 Class B (Modified)		YES					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
SNJ54AS168FK	Texas Instruments	DECADE COUNTER	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED	YES	1		TTL	38535Q/M;38534H;883B	4	YES		5		50 pF	CHIP CARRIER	LCC20,.35SQ	SYNCHRONOUS	14 ns		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
SNJ54LS93W	Texas Instruments	BINARY COUNTER	MILITARY	FLAT	14	DFP	RECTANGULAR	CERAMIC, GLASS-SEALED	YES	2	16000000 Hz	TTL	MIL-PRF-38535	3		TUBE	5	5	15 pF	FLATPACK	FL14,.3	ASYNCHRONOUS	70 ns	8 Amp	Counters	1.27 mm	125 Cel	UP		NEGATIVE EDGE	-55 Cel	Tin/Lead (Sn/Pb)	DUAL	32 MHz	R-GDFP-F14	5.25 V	2.03 mm	6.285 mm	Not Qualified	4.75 V	15 mA	ONE FUNCTION HAS 1 BIT	e0	NOT SPECIFIED	NOT SPECIFIED	9.21 mm	LS
SNJ54HC191J	Texas Instruments	BINARY COUNTER	MILITARY	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	1	14000000 Hz	CMOS	MIL-PRF-38535	4		TUBE	5	2/6	50 pF	IN-LINE	DIP16,.3	SYNCHRONOUS	288 ns	5.2 Amp	Counters	2.54 mm	125 Cel	BIDIRECTIONAL		POSITIVE EDGE	-55 Cel	TIN LEAD	DUAL	16 MHz	R-GDIP-T16	6 V	5.08 mm	7.62 mm	Not Qualified	2 V	.08 mA	RCO OUTPUT	e0			19.56 mm	HC/UH
CD54HC191F	Texas Instruments	BINARY COUNTER	MILITARY	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	1	20000000 Hz	CMOS		4	YES		4.5	2/6	50 pF	IN-LINE	DIP16,.3	SYNCHRONOUS	255 ns	4 Amp	Counters	2.54 mm	125 Cel	BIDIRECTIONAL		POSITIVE EDGE	-55 Cel		DUAL	23 MHz	R-GDIP-T16	6 V	5.08 mm	7.62 mm	Not Qualified	2 V		TCO OUTPUT				19.56 mm	HC/UH
SNJ54S168J-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	15 ns			2.54 mm	125 Cel	BIDIRECTIONAL		POSITIVE EDGE	-55 Cel		DUAL	40 MHz	R-GDIP-T16	5.5 V	5.08 mm	7.62 mm	Not Qualified	4.5 V	160 mA					19.56 mm	S
MM54HC393E/883	Texas Instruments	BINARY COUNTER	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED	YES	2		CMOS	MIL-STD-883	4	YES		5			CHIP CARRIER		ASYNCHRONOUS	290 ns			1.27 mm	125 Cel	UP		NEGATIVE EDGE	-55 Cel		QUAD		S-CQCC-N20	6 V	1.905 mm	8.89 mm	Not Qualified	2 V						8.89 mm	HC/UH
TF4024AJ	Texas Instruments	BINARY COUNTER	MILITARY	THROUGH-HOLE	14	DIP	RECTANGULAR	CERAMIC	NO	1		CMOS			NO					IN-LINE	DIP14,.3	ASYNCHRONOUS			Counters	2.54 mm	125 Cel	UP			-55 Cel		DUAL		R-XDIP-T14				Not Qualified
SNJ54AS867JT	Texas Instruments	BINARY COUNTER	MILITARY	THROUGH-HOLE	24	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	1		TTL	MIL-PRF-38535	8		TUBE	5		50 pF	IN-LINE	DIP24,.3	SYNCHRONOUS	16 ns	20 Amp	Counters	2.54 mm	125 Cel	BIDIRECTIONAL		POSITIVE EDGE	-55 Cel	TIN LEAD	DUAL	40 MHz	R-GDIP-T24	5.5 V	5.08 mm	7.62 mm	Not Qualified	4.5 V	195 mA	TCO OUTPUT	e0			32.005 mm	AS
SNC54163W	Texas Instruments	BINARY COUNTER	MILITARY	FLAT	16	DFP	RECTANGULAR	CERAMIC	YES	1		TTL	MIL-STD-883 Class B (Modified)		YES		5	5		FLATPACK	FL16,.3	SYNCHRONOUS			Counters	1.27 mm	125 Cel	UP			-55 Cel		DUAL		R-XDFP-F16				Not Qualified
M38510/31513BEA	Texas Instruments	DECADE COUNTER	MILITARY	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC	NO	1	18000000 Hz	TTL	38535Q/M;38534H;883B		YES		5	5		IN-LINE	DIP16,.3	SYNCHRONOUS		4 Amp	Counters	2.54 mm	125 Cel	BIDIRECTIONAL			-55 Cel		DUAL		R-XDIP-T16				Not Qualified		35 mA
SNC54LS668J	Texas Instruments	DECADE 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	BIDIRECTIONAL			-55 Cel		DUAL		R-XDIP-T16				Not Qualified					NOT SPECIFIED	NOT SPECIFIED
SNJ5490AJ-00	Texas Instruments	DECADE COUNTER	MILITARY	THROUGH-HOLE	14	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	2		TTL		3	YES		5		15 pF	IN-LINE		ASYNCHRONOUS	35 ns			2.54 mm	125 Cel	UP		NEGATIVE EDGE	-55 Cel		DUAL	32 MHz	R-GDIP-T14	5.5 V	5.08 mm	7.62 mm	Not Qualified	4.5 V	42 mA	DIVIDE BY 2 AND DIVIDE BY 5 FUNCTIONS				19.56 mm	TTL/H/L
SNJ54LS162AJ-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	27 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	32 mA					19.56 mm	LS
SNJ54HC590AWR	Texas Instruments	BINARY COUNTER	MILITARY	FLAT	16	DFP	RECTANGULAR	CERAMIC, GLASS-SEALED	YES	1		CMOS	MIL-PRF-38535	8	YES		5		150 pF	FLATPACK		ASYNCHRONOUS	447 ns			1.27 mm	125 Cel	UP	3-STATE	POSITIVE EDGE	-55 Cel		DUAL	16 MHz	R-GDFP-F16	6 V	2.03 mm	6.73 mm	Not Qualified	2 V		RCO OUTPUT; REGISTERED OUTPUTS				10.16 mm	HC/UH
7701001DA	Texas Instruments	DECADE COUNTER	MILITARY	FLAT	14	DFP	RECTANGULAR	CERAMIC, GLASS-SEALED	YES	2	17000000 Hz	TTL	38535Q/M;38534H;883B	3	YES		5	5		FLATPACK	FL14,.3	ASYNCHRONOUS	94 ns	4 Amp	Counters	1.27 mm	125 Cel	UP		NEGATIVE EDGE	-55 Cel		DUAL	25 MHz	R-GDFP-F14	5.5 V			Not Qualified	4.5 V	27 mA	ONE FUNCTION HAS 1 BIT IS TO BE ENTERED					LS
SNJ54AS169FH	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	BIDIRECTIONAL			-55 Cel		QUAD		S-XQCC-N20				Not Qualified		63 mA
SNJ54HC4024FK-00	Texas Instruments	BINARY COUNTER	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED	YES	1		CMOS		7	YES		5		50 pF	CHIP CARRIER		ASYNCHRONOUS	36 ns			1.27 mm	125 Cel	UP		NEGATIVE EDGE	-55 Cel		QUAD	19 MHz	S-CQCC-N20	6 V	2.03 mm	8.89 mm	Not Qualified	2 V						8.89 mm	HC/UH
SNJ54ALS190FH	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
54F163ALMQB	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
SNJ54S163W-00	Texas Instruments	BINARY COUNTER	MILITARY	FLAT	16	DFP	RECTANGULAR	CERAMIC, GLASS-SEALED	YES	1		TTL		4	YES		5		15 pF	FLATPACK		SYNCHRONOUS	15 ns			1.27 mm	125 Cel	UP		POSITIVE EDGE	-55 Cel		DUAL	40 MHz	R-GDFP-F16	5.5 V	2.03 mm	6.73 mm	Not Qualified	4.5 V	160 mA					10.2 mm	S
SNJ54LS693FK	Texas Instruments	BINARY 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	UP	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
SNJ54S197FK	Texas Instruments	BINARY COUNTER	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED	YES	2		TTL	38535Q/M;38534H;883B	3	YES		5		15 pF	CHIP CARRIER	LCC20,.35SQ	ASYNCHRONOUS	33 ns		Counters	1.27 mm	125 Cel	UP		NEGATIVE EDGE	-55 Cel		QUAD	100 MHz	S-CQCC-N20	5.5 V	2.03 mm	8.89 mm	Not Qualified	4.5 V	110 mA	DIVIDE BY 2 AND DIVIDE BY 8 FUNCTIONS		NOT SPECIFIED	NOT SPECIFIED	8.89 mm	S
SNJ54196W-00	Texas Instruments	DECADE COUNTER	MILITARY	FLAT	14	DFP	RECTANGULAR	CERAMIC, GLASS-SEALED	YES	2		TTL		3	YES		5		15 pF	FLATPACK		ASYNCHRONOUS	57 ns			1.27 mm	125 Cel	UP		NEGATIVE EDGE	-55 Cel		DUAL	50 MHz	R-GDFP-F14	5.5 V	2.03 mm	6.29 mm	Not Qualified	4.5 V	59 mA	DIVIDE BY 2 AND DIVIDE BY 5 FUNCTIONS				9.21 mm	TTL/H/L
8410001DX	Texas Instruments	BINARY COUNTER	MILITARY	FLAT	14	DFP	RECTANGULAR	CERAMIC, GLASS-SEALED	YES	2		CMOS	MIL-STD-883	4	YES		4.5		50 pF	FLATPACK		SYNCHRONOUS	465 ns				125 Cel	UP		POSITIVE EDGE	-55 Cel		DUAL		R-GDFP-F14	6 V			Qualified	2 V							HC/UH
SNJ54LS162AW	Texas Instruments	DECADE COUNTER	MILITARY	FLAT	16	DFP	RECTANGULAR	CERAMIC, GLASS-SEALED	YES	1	25000000 Hz	TTL	38535Q/M;38534H;883B	4	YES		5	5	15 pF	FLATPACK	FL16,.3	SYNCHRONOUS	27 ns	4 Amp	Counters	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	TCO OUTPUT		NOT SPECIFIED	NOT SPECIFIED	10.2 mm	LS
SNJ5497W	Texas Instruments	BINARY COUNTER	MILITARY	FLAT	16	DFP	RECTANGULAR	CERAMIC, GLASS-SEALED	YES	1		TTL	38535Q/M;38534H;883B	6	YES		5	5	15 pF	FLATPACK	FL16,.3	SYNCHRONOUS	30 ns		Counters	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	120 mA	BINARY RATE MULTIPLIER; ENABLE INPUT AND OUTPUTS; COMPLEMENTARY OUTPUTS		NOT SPECIFIED	NOT SPECIFIED	10.2 mm	TTL/H/L
SNJ54LS390W-00	Texas Instruments	DECADE COUNTER	MILITARY	FLAT	16	DFP	RECTANGULAR	CERAMIC, GLASS-SEALED	YES	4		TTL		3	YES		5		15 pF	FLATPACK		ASYNCHRONOUS	60 ns			1.27 mm	125 Cel	UP		NEGATIVE EDGE	-55 Cel		DUAL	25 MHz	R-GDFP-F16	5.5 V	2.03 mm	6.73 mm	Not Qualified	4.5 V	26 mA	DIVIDE BY 2 AND DIVIDE BY 5 FUNCTIONS				10.2 mm	LS
M38510/66302B2A	Texas Instruments	BINARY COUNTER	MILITARY	NO LEAD	20	QCCN	SQUARE	UNSPECIFIED	YES	1		CMOS	MIL-M-38510 Class B	4	YES		4.5			CHIP CARRIER		SYNCHRONOUS	48 ns				125 Cel	UP		POSITIVE EDGE	-55 Cel		QUAD	21 MHz	S-XQCC-N20	6 V			Not Qualified	2 V							HC/UH
SNC54HC490FK	Texas Instruments	DECADE COUNTER	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC	YES	2		CMOS	MIL-STD-883 Class B (Modified)		NO					CHIP CARRIER	LCC20,.35SQ	ASYNCHRONOUS			Counters	1.27 mm	125 Cel	UP			-55 Cel		QUAD		S-XQCC-N20				Not Qualified
SNJ54HC4040J-00	Texas Instruments	BINARY COUNTER	MILITARY	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	1		CMOS		12	YES		5		50 pF	IN-LINE		ASYNCHRONOUS	45 ns			2.54 mm	125 Cel	UP		NEGATIVE EDGE	-55 Cel		DUAL	19 MHz	R-GDIP-T16	6 V	5.08 mm	7.62 mm	Not Qualified	2 V						19.56 mm	HC/UH
76008012A	Texas Instruments	BINARY COUNTER	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED	YES	1	14000000 Hz	TTL	MIL-STD-883	4		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	25 MHz	S-CQCC-N20	5.5 V	2.03 mm	8.89 mm	Qualified	4.5 V	32 mA		e0			8.89 mm	LS
M38510/66304BFA	Texas Instruments	BINARY COUNTER	MILITARY	FLAT	16	DFP	RECTANGULAR	UNSPECIFIED	YES	1		CMOS	MIL-M-38510 Class B	4	YES		4.5			FLATPACK		SYNCHRONOUS	48 ns				125 Cel	UP		POSITIVE EDGE	-55 Cel		DUAL	21 MHz	R-XDFP-F16	6 V			Not Qualified	2 V							HC/UH
SNJ54ALS191J	Texas Instruments	BINARY COUNTER	MILITARY	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	1		TTL	38535Q/M;38534H;883B	4	YES		5	5	50 pF	IN-LINE	DIP16,.3	SYNCHRONOUS	22 ns		Counters	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	22 mA	TCO OUTPUT		NOT SPECIFIED	NOT SPECIFIED	19.56 mm	ALS
54AC11190FK	Texas Instruments	DECADE COUNTER	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED	YES	1		CMOS		4	YES		5	3.3/5	50 pF	CHIP CARRIER	LCC20,.35SQ	SYNCHRONOUS		24 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	3 V				NOT SPECIFIED	NOT SPECIFIED	8.89 mm	AC
SNJ54ALS163AJ-00	Texas Instruments	BINARY COUNTER	MILITARY	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	1		TTL		4	YES		5		50 pF	IN-LINE		SYNCHRONOUS	20 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	21 mA	TCO OUTPUT				19.56 mm	ALS
M38510/05655BCX	Texas Instruments	BINARY COUNTER	MILITARY	THROUGH-HOLE	14	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	1		CMOS	MIL-M-38510 Class B	7	YES		5			IN-LINE		ASYNCHRONOUS	360 ns			2.54 mm	125 Cel	UP		NEGATIVE EDGE	-55 Cel		DUAL	12 MHz	R-GDIP-T14	18 V	5.08 mm	7.62 mm	Qualified	3 V				NOT APPLICABLE	NOT APPLICABLE	19.56 mm	4000/14000/40000
M38510/66302SEX	Texas Instruments	BINARY COUNTER	MILITARY	THROUGH-HOLE	16	DIP	RECTANGULAR	UNSPECIFIED	NO	1		CMOS		4	YES		4.5			IN-LINE		SYNCHRONOUS	48 ns				125 Cel	UP		POSITIVE EDGE	-55 Cel		DUAL	21 MHz	R-XDIP-T16	6 V			Not Qualified	2 V							HC/UH
7600601EX	Texas Instruments	BINARY COUNTER	MILITARY	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	1		TTL	MIL-PRF-38535	4	YES		5			IN-LINE		SYNCHRONOUS	47 ns			2.54 mm	125 Cel	BIDIRECTIONAL		POSITIVE EDGE	-55 Cel		DUAL	25 MHz	R-GDIP-T16	5.5 V	5.08 mm	7.62 mm	Qualified	4.5 V		TCO UP AND TCO DOWN OUTPUTS; SEPARATE UP/DOWN CLOCK		NOT APPLICABLE	NOT APPLICABLE	19.56 mm	LS
CD54HCT193F3A	Texas Instruments	BINARY COUNTER	MILITARY	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	1	15000000 Hz	CMOS	38535Q/M;38534H;883B	4		TUBE	5	5	50 pF	IN-LINE	DIP16,.3	SYNCHRONOUS	60 ns	4 Amp	Counter	2.54 mm	125 Cel	BIDIRECTIONAL		POSITIVE EDGE	-55 Cel	TIN LEAD	DUAL	15 MHz	R-GDIP-T16	5.5 V	5.08 mm	7.62 mm	Not Qualified	4.5 V	.08 mA	TCO UP AND TCO DOWN OUTPUTS; SEPARATE UP/DOWN CLOCK	e0			19.56 mm	HCT
SNJ54HC393FK-00	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	87 ns			1.27 mm	125 Cel	UP		NEGATIVE EDGE	-55 Cel		QUAD	21 MHz	S-CQCC-N20	6 V	2.03 mm	8.89 mm	Not Qualified	2 V						8.89 mm	HC/UH
SNJ54ALS560AFH-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	21 ns			1.27 mm	125 Cel	UP	3-STATE	POSITIVE EDGE	-55 Cel		QUAD	18 MHz	S-CQCC-N20	5.5 V	2.54 mm	8.89 mm	Not Qualified	4.5 V	33 mA	TCO OUTPUT; COUNT ENABLE INPUTS				8.89 mm	ALS
SNJ54HC4060W	Texas Instruments	BINARY COUNTER	MILITARY	FLAT	16	DFP	RECTANGULAR	CERAMIC, GLASS-SEALED	YES	1	19000000 Hz	CMOS	MIL-PRF-38535	14	NO	TUBE	5	2/6	50 pF	FLATPACK	FL16,.25	ASYNCHRONOUS	735 ns	4 Amp	Counters	1.27 mm	125 Cel	UP		NEGATIVE EDGE	-55 Cel		DUAL	22 MHz	R-GDFP-F16	6 V	2.03 mm	6.73 mm	Not Qualified	2 V		OUTPUTS FROM 10 STAGES AVAILABLE; BUILT-IN OSCILLATOR				10.16 mm	HC/UH
8500401EX	Texas Instruments	BINARY COUNTER	MILITARY	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	1		CMOS	MIL-PRF-38535	12	YES		4.5			IN-LINE		ASYNCHRONOUS	225 ns			2.54 mm	125 Cel	UP		NEGATIVE EDGE	-55 Cel		DUAL	22 MHz	R-GDIP-T16	6 V	5.08 mm	7.62 mm	Qualified	2 V				NOT APPLICABLE	NOT APPLICABLE	19.56 mm	HC/UH
SNJ54F162AJ	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
SNJ54162W-10	Texas Instruments	DECADE COUNTER	MILITARY	FLAT	16	DFP	RECTANGULAR	CERAMIC, GLASS-SEALED	YES	1		TTL		4	YES		5		15 pF	FLATPACK		SYNCHRONOUS	29 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	91 mA					10.2 mm	TTL/H/L
SNJ54L90T-17	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
SNJ54LS490W	Texas Instruments	DECADE COUNTER	MILITARY	FLAT	16	DFP	RECTANGULAR	CERAMIC, GLASS-SEALED	YES	2	25000000 Hz	TTL	38535Q/M;38534H;883B	4	YES		5	5	15 pF	FLATPACK	FL16,.3	ASYNCHRONOUS	54 ns	4 Amp	Counters	1.27 mm	125 Cel	UP		NEGATIVE EDGE	-55 Cel		DUAL	25 MHz	R-GDFP-F16	5.5 V	2.03 mm	6.73 mm	Not Qualified	4.5 V	26 mA			NOT SPECIFIED	NOT SPECIFIED	10.16 mm	LS

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.