16 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
CD54HC192F3A	Texas Instruments	DECADE COUNTER	MILITARY	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	1	15000000 Hz	CMOS	38535Q/M;38534H;883B	4		TUBE	4.5	2/6	50 pF	IN-LINE	DIP16,.3	SYNCHRONOUS	325 ns	5.2 Amp	Counters	2.54 mm	125 Cel	BIDIRECTIONAL		POSITIVE EDGE	-55 Cel	TIN LEAD	DUAL	18 MHz	R-GDIP-T16	6 V	5.08 mm	7.62 mm	Not Qualified	2 V	.08 mA	TCO UP AND TCO DOWN OUTPUTS; SEPARATE UP/DOWN CLOCK	e0			19.56 mm	HC
TF4522AJ	Texas Instruments	DECADE COUNTER	MILITARY	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC	NO	1		CMOS			YES					IN-LINE	DIP16,.3	ASYNCHRONOUS			Counters	2.54 mm	125 Cel	DOWN			-55 Cel		DUAL		R-XDIP-T16				Not Qualified					NOT SPECIFIED	NOT SPECIFIED
SNJ54390W	Texas Instruments	DECADE COUNTER	MILITARY	FLAT	16	DFP	RECTANGULAR	CERAMIC, METAL-SEALED COFIRED	YES	4		TTL	38535Q/M;38534H;883B	3	NO		5		15 pF	FLATPACK	FL16,.3	ASYNCHRONOUS	39 ns		Counters	1.27 mm	125 Cel	UP		NEGATIVE EDGE	-55 Cel		DUAL	20 MHz	R-CDFP-F16	5.5 V	2.03 mm	6.73 mm	Not Qualified	4.5 V	69 mA	DIVIDE BY 2 AND DIVIDE BY 5 FUNCTIONS		NOT SPECIFIED	NOT SPECIFIED	10.2 mm	TTL/H/L
74F193PC	Texas Instruments	BINARY COUNTER	COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1		TTL		4	YES		5			IN-LINE		SYNCHRONOUS	13.5 ns			2.54 mm	70 Cel	BIDIRECTIONAL		POSITIVE EDGE	0 Cel		DUAL	90 MHz	R-PDIP-T16	5.5 V	5.08 mm	7.62 mm		4.5 V						19.305 mm	F/FAST
SNC54ALS162AJ	Texas Instruments	DECADE COUNTER	MILITARY	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC	NO	1	25000000 Hz	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
SNJ54ALS161J	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
SNC54LS191J	Texas Instruments	BINARY COUNTER	MILITARY	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC, METAL-SEALED COFIRED	NO	1		TTL	MIL-STD-883 Class B (Modified)	4	YES		5	5		IN-LINE	DIP16,.3	SYNCHRONOUS	36 ns		Counters	2.54 mm	125 Cel	BIDIRECTIONAL		POSITIVE EDGE	-55 Cel		DUAL	20 MHz	R-CDIP-T16	5.5 V	5.08 mm	7.62 mm	Not Qualified	4.5 V		TCO OUTPUT		NOT SPECIFIED	NOT SPECIFIED	19.56 mm	LS
54F191DMQB	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
SNJ54LS169BJ	Texas Instruments	BINARY COUNTER	MILITARY	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	1	20000000 Hz	TTL	MIL-PRF-38535	4		TUBE	5	5	45 pF	IN-LINE	DIP16,.3	SYNCHRONOUS	25 ns	24 Amp	Counters	2.54 mm	125 Cel	BIDIRECTIONAL		POSITIVE EDGE	-55 Cel	TIN LEAD	DUAL	20 MHz	R-GDIP-T16	5.5 V	5.08 mm	7.62 mm	Not Qualified	4.5 V	45 mA	TCO OUTPUT	e0			19.56 mm	LS
SNC54LS592J	Texas Instruments	BINARY COUNTER	MILITARY	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC	NO	1		TTL	MIL-STD-883 Class B (Modified)		NO					IN-LINE	DIP16,.3	SYNCHRONOUS			Counters	2.54 mm	125 Cel	UP			-55 Cel		DUAL		R-XDIP-T16				Not Qualified					NOT SPECIFIED	NOT SPECIFIED
74F192SJ	Texas Instruments	DECADE COUNTER	COMMERCIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1		TTL		4	YES		5			SMALL OUTLINE		SYNCHRONOUS	13.5 ns			1.27 mm	70 Cel	BIDIRECTIONAL		POSITIVE EDGE	0 Cel		DUAL	90 MHz	R-PDSO-G16	5.5 V	2.108 mm	5.3 mm		4.5 V						10.11 mm	F/FAST
TP4522AN	Texas Instruments	DECADE COUNTER	INDUSTRIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1		CMOS			YES					IN-LINE	DIP16,.3	ASYNCHRONOUS			Counters	2.54 mm	85 Cel	DOWN			-40 Cel		DUAL		R-PDIP-T16				Not Qualified					NOT SPECIFIED	NOT SPECIFIED
SNC54LS190J	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
DM54LS192J	Texas Instruments	DECADE COUNTER	MILITARY	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC	NO	2	25000000 Hz	TTL			YES		5	5		IN-LINE	DIP16,.3	SYNCHRONOUS		4 Amp	Counters	2.54 mm	125 Cel	BIDIRECTIONAL			-55 Cel	Tin/Lead (Sn/Pb)	DUAL		R-XDIP-T16				Not Qualified		34 mA		e0
SNJ54F160AJ-00	Texas Instruments	DECADE COUNTER	MILITARY	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	1		TTL		4	YES		5			IN-LINE		SYNCHRONOUS	14 ns			2.54 mm	125 Cel	UP		POSITIVE EDGE	-55 Cel		DUAL	120 MHz	R-GDIP-T16	5.5 V	5.08 mm	7.62 mm	Not Qualified	4.5 V		TCO OUTPUT				19.56 mm	F/FAST
8607601FA	Texas Instruments	BINARY COUNTER	MILITARY	FLAT	16	DFP	RECTANGULAR	CERAMIC, GLASS-SEALED	YES	1	21000000 Hz	CMOS	MIL-PRF-38535	4	YES		5	2/6	50 pF	FLATPACK	FL16,.3	SYNCHRONOUS	310 ns	4 Amp	Counter	1.27 mm	125 Cel	UP		POSITIVE EDGE	-55 Cel		DUAL	25 MHz	R-GDFP-F16	6 V	2.03 mm	6.73 mm	Not Qualified	2 V		RCO OUTPUT				10.16 mm	HC/UH
SNJ54LS161AW	Texas Instruments	BINARY COUNTER	MILITARY	FLAT	16	DFP	RECTANGULAR	CERAMIC, GLASS-SEALED	YES	1	25000000 Hz	TTL	MIL-PRF-38535	4		TUBE	5	5	15 pF	FLATPACK	FL16,.3	SYNCHRONOUS	27 ns	8 Amp	Counters	1.27 mm	125 Cel	UP		POSITIVE EDGE	-55 Cel	TIN LEAD	DUAL	25 MHz	R-GDFP-F16	5.5 V	2.03 mm	6.73 mm	Not Qualified	4.5 V	32 mA	TCO OUTPUT	e0			10.2 mm	LS
8500401FA	Texas Instruments	BINARY COUNTER	MILITARY	FLAT	16	DFP	RECTANGULAR	CERAMIC, GLASS-SEALED	YES	1	19000000 Hz	CMOS	MIL-STD-883	12		TUBE	5	2/6	50 pF	FLATPACK	FL16,.3	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	Qualified	2 V	.08 mA		e0	NOT SPECIFIED	NOT SPECIFIED	10.16 mm	HC/UH
SNJ54ALS160J	Texas Instruments	DECADE 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
SNC54LS193J	Texas Instruments	BINARY COUNTER	MILITARY	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	1		TTL	MIL-STD-883 Class B (Modified)	4	YES		5	5		IN-LINE	DIP16,.3	SYNCHRONOUS	47 ns		Counters	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	Not Qualified	4.5 V		TCO UP AND TCO DOWN OUTPUTS; SEPARATE UP/DOWN CLOCK		NOT SPECIFIED	NOT SPECIFIED	19.56 mm	LS
SNJ54LS192W-00	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	34 mA					10.2 mm	LS
SNC54LS160AJ	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	UP			-55 Cel		DUAL		R-XDIP-T16				Not Qualified
7603501FA	Texas Instruments	DECADE COUNTER	MILITARY		16			CERAMIC, METAL-SEALED COFIRED		1		CMOS		12	YES		4.5			FLATPACK		ASYNCHRONOUS	225 ns				125 Cel	UP		NEGATIVE EDGE	-55 Cel		DUAL	22 MHz		6 V				2 V							HC/UH
8302501EA	Texas Instruments	BINARY COUNTER	MILITARY	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	1		TTL	MIL-STD-883	4		TUBE	5	5		IN-LINE	DIP16,.3	SYNCHRONOUS	21 ns	8 Amp	Counter	2.54 mm	125 Cel	BIDIRECTIONAL	3-STATE	POSITIVE EDGE	-55 Cel	TIN LEAD	DUAL	25 MHz	R-GDIP-T16	5.5 V	5.08 mm	7.62 mm	Qualified	4.5 V	25 mA	LG_MAX	e0			19.56 mm	ALS
M38510/34401SFX	Texas Instruments	DECADE COUNTER	MILITARY	FLAT	16	DFP	RECTANGULAR	CERAMIC, GLASS-SEALED	YES	1		TTL		4	YES		5			FLATPACK		SYNCHRONOUS	11.5 ns				125 Cel	UP		POSITIVE EDGE	-55 Cel		DUAL	70 MHz	R-GDFP-F16	5.5 V			Not Qualified	4.5 V							F/FAST
SNJ54HC4061J	Texas Instruments	BINARY COUNTER	MILITARY	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC	NO	1		CMOS	38535Q/M;38534H;883B		NO					IN-LINE	DIP16,.3	ASYNCHRONOUS			Counters	2.54 mm	125 Cel	UP			-55 Cel		DUAL		R-XDIP-T16				Not Qualified					NOT SPECIFIED	NOT SPECIFIED
SNC54167W	Texas Instruments		MILITARY	FLAT	16	DFP	RECTANGULAR	CERAMIC	YES			TTL	MIL-STD-883 Class B (Modified)		NO		5	5		FLATPACK	FL16,.3				Counters	1.27 mm	125 Cel				-55 Cel		DUAL		R-XDFP-F16				Not Qualified
SNJ54HC4017J-00	Texas Instruments	RING COUNTER	MILITARY	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	1		CMOS		10	YES		5		50 pF	IN-LINE		SYNCHRONOUS	69 ns			2.54 mm	125 Cel	UP		POSITIVE EDGE	-55 Cel		DUAL	20 MHz	R-GDIP-T16	6 V	5.08 mm	7.62 mm	Not Qualified	2 V		JOHNSON COUNTER WITH 10 DECODED OUTPUTS; TCO OUTPUT; GATED CLOCK				19.56 mm	HC/UH
CD54HC4520F3A	Texas Instruments	BINARY COUNTER	MILITARY	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	2	20000000 Hz	CMOS	38535Q/M;38534H;883B	4		TUBE	4.5	2/6	50 pF	IN-LINE	DIP16,.3	SYNCHRONOUS	360 ns	5.2 Amp	Counters	2.54 mm	125 Cel	UP		POSITIVE EDGE	-55 Cel	TIN LEAD	DUAL	24 MHz	R-GDIP-T16	6 V	5.08 mm	7.62 mm	Not Qualified	2 V	.08 mA	NEGATIVE EDGE TRIGGER TYPE ALSO POSSIBLE	e0			19.56 mm	HC
M38510/31508SFA	Texas Instruments	BINARY COUNTER	MILITARY	FLAT	16	DFP	RECTANGULAR	CERAMIC, GLASS-SEALED	YES	1		TTL	MIL-PRF-38535 Class S	4		TUBE	5	5		FLATPACK	FL16,.3	SYNCHRONOUS	63 ns	8 Amp	Counter	1.27 mm	125 Cel	BIDIRECTIONAL		POSITIVE EDGE	-55 Cel	TIN LEAD	DUAL	22 MHz	R-GDFP-F16	5.25 V	2.03 mm	6.73 mm	Qualified	4.75 V	34 mA		e0			10.3 mm	LS
SNJ54HC161J	Texas Instruments	BINARY COUNTER	MILITARY	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	1	21000000 Hz	CMOS	MIL-PRF-38535	4		TUBE	5	2/6	50 pF	IN-LINE	DIP16,.3	SYNCHRONOUS	310 ns	5.2 Amp	Counters	2.54 mm	125 Cel	UP		POSITIVE EDGE	-55 Cel	TIN LEAD	DUAL	25 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
7600801EX	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	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	Qualified	4.5 V				NOT APPLICABLE	NOT APPLICABLE	19.56 mm	LS
SNJ54160W-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
54F193FM	Texas Instruments	BINARY COUNTER	MILITARY	FLAT	16	DFP	RECTANGULAR	CERAMIC, GLASS-SEALED	YES	1		TTL		4	YES		5			FLATPACK		SYNCHRONOUS	14 ns			1.27 mm	125 Cel	BIDIRECTIONAL		POSITIVE EDGE	-55 Cel		DUAL	75 MHz	R-GDFP-F16	5.5 V	2.032 mm	6.604 mm		4.5 V						9.6645 mm	F/FAST
8302203RX	Texas Instruments		MILITARY		16			CERAMIC, METAL-SEALED COFIRED		1		CMOS		12	YES		4.5			FLATPACK		ASYNCHRONOUS	225 ns				125 Cel	UP		NEGATIVE EDGE	-55 Cel		DUAL	22 MHz		6 V			Not Qualified	2 V							HC/UH
7603601EX	Texas Instruments	DECADE COUNTER	MILITARY	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	1		TTL	MIL-STD-883	4	YES		5			IN-LINE		SYNCHRONOUS	68 ns				125 Cel	BIDIRECTIONAL		POSITIVE EDGE	-55 Cel		DUAL	25 MHz	R-GDIP-T16	5.5 V				4.5 V							LS
CD54HCT4510H	Texas Instruments	DECADE COUNTER	MILITARY	NO LEAD	16	DIE	RECTANGULAR	UNSPECIFIED	YES	1		CMOS		4	YES		5			UNCASED CHIP		SYNCHRONOUS	75 ns				125 Cel	BIDIRECTIONAL		POSITIVE EDGE	-55 Cel		UPPER	20 MHz	R-XUUC-N16	5.5 V			Not Qualified	4.5 V							HCT
SNC54ALS169AJ	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	BIDIRECTIONAL			-55 Cel		DUAL		R-XDIP-T16				Not Qualified
M38510/66302SFA	Texas Instruments	BINARY COUNTER	MILITARY	FLAT	16	DFP	RECTANGULAR	UNSPECIFIED	YES	1		CMOS	MIL-M-38510 Class S	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
M38510/31504SEX	Texas Instruments	BINARY COUNTER	MILITARY	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	1		TTL		4	YES		5			IN-LINE		SYNCHRONOUS	56 ns				125 Cel	UP		POSITIVE EDGE	-55 Cel		DUAL	22 MHz	R-GDIP-T16	5.5 V			Not Qualified	4.5 V							LS
SNJ54190W-00	Texas Instruments	DECADE 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	99 mA					10.2 mm	TTL/H/L
8302203RA	Texas Instruments		MILITARY		16			CERAMIC, METAL-SEALED COFIRED		1		CMOS		12	YES		4.5			FLATPACK		ASYNCHRONOUS	225 ns				125 Cel	UP		NEGATIVE EDGE	-55 Cel		DUAL	22 MHz		6 V			Not Qualified	2 V							HC/UH
74F192SJX	Texas Instruments	DECADE COUNTER	COMMERCIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1		TTL		4	YES		5			SMALL OUTLINE		SYNCHRONOUS	13.5 ns			1.27 mm	70 Cel	BIDIRECTIONAL		POSITIVE EDGE	0 Cel		DUAL	90 MHz	R-PDSO-G16	5.5 V	2.108 mm	5.3 mm		4.5 V						10.11 mm	F/FAST
TP4518AN	Texas Instruments	DECADE COUNTER	INDUSTRIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	2		CMOS			NO					IN-LINE	DIP16,.3	SYNCHRONOUS			Counters	2.54 mm	85 Cel	UP			-40 Cel		DUAL		R-PDIP-T16				Not Qualified
SNJ54192J	Texas Instruments	DECADE COUNTER	MILITARY	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	1	25000000 Hz	TTL	MIL-PRF-38535	4		TUBE	5	5	15 pF	IN-LINE	DIP16,.3	SYNCHRONOUS	47 ns	16 Amp	Counters	2.54 mm	125 Cel	BIDIRECTIONAL		POSITIVE EDGE	-55 Cel	TIN LEAD	DUAL	25 MHz	R-GDIP-T16	5.5 V	5.08 mm	7.62 mm	Not Qualified	4.5 V	89 mA	TCO UP AND TCO DOWN OUTPUTS; SEPARATE UP/DOWN CLOCK	e0			19.56 mm	TTL/H/L
SNJ54AHC4040W	Texas Instruments	BINARY COUNTER	MILITARY	FLAT	16	DFP	RECTANGULAR	CERAMIC	YES	1		CMOS	38535Q/M;38534H;883B		NO			2/5.5	50 pF	FLATPACK	FL16,.25	ASYNCHRONOUS		8 Amp	Counters	1.27 mm	125 Cel	UP			-55 Cel		DUAL		R-XDFP-F16				Not Qualified					NOT SPECIFIED	NOT SPECIFIED
SNC54LS161AJ	Texas Instruments	BINARY COUNTER	MILITARY	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	1		TTL	MIL-STD-883 Class B (Modified)	4	YES		5	5		IN-LINE	DIP16,.3	SYNCHRONOUS	27 ns		Counters	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		TCO OUTPUT		NOT SPECIFIED	NOT SPECIFIED	19.56 mm	LS
74F191SCX	Texas Instruments	BINARY COUNTER	COMMERCIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1		TTL		4	YES		5			SMALL OUTLINE		SYNCHRONOUS	12 ns			1.27 mm	70 Cel	BIDIRECTIONAL		POSITIVE EDGE	0 Cel		DUAL	90 MHz	R-PDSO-G16	5.5 V	1.753 mm	3.9 mm		4.5 V						9.9 mm	F/FAST

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.