20 Digital Counters 1,712

Reset All

Part	Manufacturer	Logic IC Type	Temperature Grade	Terminal Form	No. of Terminals	Package Code	Package Shape	Total Dose (V)	Package Body Material	Surface Mount	No. of Functions	Maximum Frequency At Nominal Supply	Technology	Screening Level	No. of Bits	Load or Preset Input	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	Length	Family
M54HC691F1R	STMicroelectronics	BINARY COUNTER	MILITARY	THROUGH-HOLE	20	DIP	RECTANGULAR		CERAMIC, GLASS-SEALED	NO	1	15000000 Hz	CMOS		4	YES	5	2/6	50 pF	IN-LINE	DIP20,.3	SYNCHRONOUS	62 ns	6 Amp	Counters	2.54 mm	125 Cel	UP	3-STATE	POSITIVE EDGE	-55 Cel	TIN LEAD	DUAL	15 MHz	R-GDIP-T20	6 V	5.71 mm	7.62 mm	Not Qualified	2 V		REGISTER/COUNTER OUTPUT SELECT; TCO OUTPUT; REGISTERED OUTPUTS	e0		HC/UH
M74HC697M1	STMicroelectronics	BINARY COUNTER	INDUSTRIAL	GULL WING	20	SOP	RECTANGULAR		PLASTIC/EPOXY	YES	1	16000000 Hz	CMOS		4	YES	5	5	50 pF	SMALL OUTLINE	SOP20,.4	SYNCHRONOUS	65 ns	6 Amp	Counters	1.27 mm	85 Cel	BIDIRECTIONAL	3-STATE	POSITIVE EDGE	-40 Cel	TIN LEAD	DUAL	16 MHz	R-PDSO-G20	6 V	2.65 mm	7.5 mm	Not Qualified	2 V		REGISTER/COUNTER OUTPUT SELECT; TCO OUTPUT; REGISTERED OUTPUTS	e0	12.8 mm	HC/UH
M74HC4020C1	STMicroelectronics	BINARY COUNTER	INDUSTRIAL	J BEND	20	QCCJ	SQUARE		PLASTIC/EPOXY	YES	1	24000000 Hz	CMOS		14	NO	5	2/6	50 pF	CHIP CARRIER	LDCC20,.4SQ	ASYNCHRONOUS	36 ns	4 Amp	Counters	1.27 mm	85 Cel	UP		NEGATIVE EDGE	-40 Cel	TIN LEAD	QUAD	24 MHz	S-PQCC-J20	6 V	4.57 mm	8.9662 mm	Not Qualified	2 V		OUTPUTS FROM 12 STAGES AVAILABLE	e0	8.9662 mm	HC/UH
HCF4527BC1	STMicroelectronics	DECADE COUNTER	INDUSTRIAL	J BEND	20	QCCJ	SQUARE		PLASTIC/EPOXY	YES	1		CMOS		4	YES	5	3/15	50 pF	CHIP CARRIER	LDCC20,.4SQ	SYNCHRONOUS	220 ns		Counters	1.27 mm	85 Cel	UP		NEGATIVE EDGE	-40 Cel	TIN LEAD	QUAD	1.2 MHz	S-PQCC-J20	15 V	4.57 mm	8.965 mm	Not Qualified	3 V		BCD RATE MULTIPLIER; TCO OUTPUT; COUNT ENABLE, INHIBIT AND CASCADE INPUTS; COMPLEMENTARY OUTPUTS	e0	8.965 mm	4000/14000/40000
5962F8974902VYC	STMicroelectronics	BINARY COUNTER	MILITARY	FLAT	20	DFP	RECTANGULAR	300k Rad(Si)	CERAMIC, METAL-SEALED COFIRED	YES	1		CMOS	MIL-PRF-38535 Class V	4		4.5			FLATPACK		SYNCHRONOUS	16.5 ns				125 Cel	BIDIRECTIONAL		POSITIVE EDGE	-55 Cel		DUAL	90 MHz	R-CDFP-F20	5.5 V			Qualified	3 V					AC
HCF4018BC1	STMicroelectronics	RING COUNTER	INDUSTRIAL	J BEND	20	QCCJ	SQUARE		PLASTIC/EPOXY	YES	1	3000000 Hz	CMOS		5	YES	5	3/15	50 pF	CHIP CARRIER	LDCC20,.4SQ	SYNCHRONOUS	400 ns		Counters	1.27 mm	85 Cel	UP		POSITIVE EDGE	-40 Cel	MATTE TIN	QUAD	3 MHz	S-PQCC-J20	15 V	4.57 mm	8.965 mm	Not Qualified	3 V		JOHNSON COUNTER, PROGRAMMABLE WITH EXT CONNECTIONS; SCHMITT TRIGGER ON CLOCK INPUT; INVERTED OUTPUTS	e3	8.965 mm	4000/14000/40000
HCF4029BC1	STMicroelectronics	BINARY COUNTER	INDUSTRIAL	J BEND	20	QCCJ	SQUARE		PLASTIC/EPOXY	YES	1	2000000 Hz	CMOS		4	YES	5	3/15	50 pF	CHIP CARRIER	LDCC20,.4SQ	SYNCHRONOUS	500 ns		Counters	1.27 mm	85 Cel	BIDIRECTIONAL		POSITIVE EDGE	-40 Cel	MATTE TIN	QUAD	5.5 MHz	S-PQCC-J20	15 V	4.57 mm	8.965 mm	Not Qualified	3 V		BINARY/BCD COUNT OPTION; TCO OUTPUT; COUNT ENABLE INPUT	e3	8.965 mm	4000/14000/40000
HCF4520BC1	STMicroelectronics	BINARY COUNTER	INDUSTRIAL	J BEND	20	QCCJ	SQUARE		PLASTIC/EPOXY	YES	2	3000000 Hz	CMOS		4	NO	5	3/15	50 pF	CHIP CARRIER	LDCC20,.4SQ	SYNCHRONOUS	560 ns		Counters	1.27 mm	85 Cel	UP		POSITIVE EDGE	-40 Cel	MATTE TIN	QUAD	4 MHz	S-PQCC-J20	15 V	4.57 mm	8.965 mm	Not Qualified	3 V		GATED CLOCK; SCHMITT TRIGGER ON CLOCK INPUT	e3	8.965 mm	4000/14000/40000
HCF4022BC1	STMicroelectronics	RING COUNTER	INDUSTRIAL	J BEND	20	QCCJ	SQUARE		PLASTIC/EPOXY	YES	1	2500000 Hz	CMOS		8	NO	5	3/15	50 pF	CHIP CARRIER	LDCC20,.4SQ	SYNCHRONOUS	650 ns		Counters	1.27 mm	85 Cel	UP		POSITIVE EDGE	-40 Cel	MATTE TIN	QUAD	2.5 MHz	S-PQCC-J20	15 V	4.57 mm	8.9662 mm	Not Qualified	3 V		JOHNSON COUNTER WITH 8 DECODED OUTPUTS; TCO OUTPUT; GATED CLOCK	e3	8.9662 mm	4000/14000/40000
HCF40162BC1	STMicroelectronics	DECADE COUNTER	INDUSTRIAL	J BEND	20	QCCJ	SQUARE		PLASTIC/EPOXY	YES	1	2000000 Hz	CMOS		4	YES	5	3/15	50 pF	CHIP CARRIER	LDCC20,.4SQ	SYNCHRONOUS	400 ns		Counters	1.27 mm	85 Cel	UP		POSITIVE EDGE	-40 Cel	MATTE TIN	QUAD	2 MHz	S-PQCC-J20	15 V	4.57 mm	8.9662 mm	Not Qualified	3 V		TCO OUTPUT	e3	8.9662 mm	4000/14000/40000
HCF40193BC1	STMicroelectronics	BINARY COUNTER	INDUSTRIAL	J BEND	20	QCCJ	SQUARE		PLASTIC/EPOXY	YES	1	2000000 Hz	CMOS		4	YES	5	5/15	50 pF	CHIP CARRIER	LDCC20,.4SQ	SYNCHRONOUS	500 ns		Counters	1.27 mm	85 Cel	BIDIRECTIONAL		POSITIVE EDGE	-40 Cel	MATTE TIN	QUAD	2 MHz	S-PQCC-J20	15 V	4.57 mm	8.965 mm	Not Qualified	3 V		TCO UP AND TCO DOWN OUTPUTS; SEPARATE UP/DOWN CLOCK	e3	8.965 mm	4000/14000/40000
HCF40161BC1	STMicroelectronics	BINARY COUNTER	INDUSTRIAL	J BEND	20	QCCJ	SQUARE		PLASTIC/EPOXY	YES	1	2000000 Hz	CMOS		4	YES	5	3/15	50 pF	CHIP CARRIER	LDCC20,.4SQ	SYNCHRONOUS	400 ns		Counters	1.27 mm	85 Cel	UP		POSITIVE EDGE	-40 Cel	MATTE TIN	QUAD	2 MHz	S-PQCC-J20	15 V	4.57 mm	8.9662 mm	Not Qualified	3 V		TCO OUTPUT	e3	8.9662 mm	4000/14000/40000
HCF4521BC1	STMicroelectronics	BINARY COUNTER	INDUSTRIAL	J BEND	20	QCCJ	SQUARE		PLASTIC/EPOXY	YES	1		CMOS		24	YES	5			CHIP CARRIER		ASYNCHRONOUS				1.27 mm	85 Cel	UP		NEGATIVE EDGE	-40 Cel		QUAD		S-PQCC-J20	15 V	4.57 mm	8.9662 mm	Not Qualified	3 V		OUTPUTS FROM LAST 7 STAGES AVAILABLE		8.9662 mm	4000/14000/40000
HCF4516BC1	STMicroelectronics	BINARY COUNTER	INDUSTRIAL	J BEND	20	QCCJ	SQUARE		PLASTIC/EPOXY	YES	1	2000000 Hz	CMOS		4	YES	5	5/15	50 pF	CHIP CARRIER	LDCC20,.4SQ	SYNCHRONOUS	400 ns		Counters	1.27 mm	85 Cel	BIDIRECTIONAL		POSITIVE EDGE	-40 Cel	TIN LEAD	QUAD	2 MHz	S-PQCC-J20	15 V	4.57 mm	8.9662 mm	Not Qualified	3 V		TCO OUTPUT	e0	8.9662 mm	4000/14000/40000
HCF4060BC1	STMicroelectronics	BINARY COUNTER	INDUSTRIAL	J BEND	20	QCCJ	SQUARE		PLASTIC/EPOXY	YES	1	3500000 Hz	CMOS		14	NO	5	3/15	50 pF	CHIP CARRIER	LDCC20,.4SQ	ASYNCHRONOUS	740 ns		Counters	1.27 mm	85 Cel	UP		NEGATIVE EDGE	-40 Cel	MATTE TIN	QUAD	3.5 MHz	S-PQCC-J20	15 V	4.57 mm	8.965 mm	Not Qualified	3 V		OUTPUTS FROM 10 STAGES AVAILABLE; BUILT-IN OSCILLATOR; OSCILLATOR DISABLED BY CLEAR INPUT	e3	8.965 mm	4000/14000/40000
HCF4040BC1	STMicroelectronics	BINARY COUNTER	INDUSTRIAL	J BEND	20	QCCJ	SQUARE		PLASTIC/EPOXY	YES	1	3500000 Hz	CMOS		12	NO	5	3/15	50 pF	CHIP CARRIER	LDCC20,.4SQ	ASYNCHRONOUS	360 ns		Counters	1.27 mm	85 Cel	UP		NEGATIVE EDGE	-40 Cel	MATTE TIN	QUAD	3.5 MHz	S-PQCC-J20	15 V	4.57 mm	8.965 mm	Not Qualified	3 V			e3	8.965 mm	4000/14000/40000
HCF40192BC1	STMicroelectronics	DECADE COUNTER	INDUSTRIAL	J BEND	20	QCCJ	SQUARE		PLASTIC/EPOXY	YES	1	2000000 Hz	CMOS		4	YES	5	5/15	50 pF	CHIP CARRIER	LDCC20,.4SQ	SYNCHRONOUS	500 ns		Counters	1.27 mm	85 Cel	BIDIRECTIONAL		POSITIVE EDGE	-40 Cel	MATTE TIN	QUAD	2 MHz	S-PQCC-J20	15 V	4.57 mm	8.965 mm	Not Qualified	3 V		TCO UP AND TCO DOWN OUTPUTS; SEPARATE UP/DOWN CLOCK	e3	8.965 mm	4000/14000/40000
HCF40163BC1	STMicroelectronics	BINARY COUNTER	INDUSTRIAL	J BEND	20	QCCJ	SQUARE		PLASTIC/EPOXY	YES	1	2000000 Hz	CMOS		4	YES	5	3/15	50 pF	CHIP CARRIER	LDCC20,.4SQ	SYNCHRONOUS	400 ns		Counters	1.27 mm	85 Cel	UP		POSITIVE EDGE	-40 Cel	MATTE TIN	QUAD	2 MHz	S-PQCC-J20	15 V	4.57 mm	8.9662 mm	Not Qualified	3 V		TCO OUTPUT	e3	8.9662 mm	4000/14000/40000
HCF4020BC1	STMicroelectronics	BINARY COUNTER	INDUSTRIAL	J BEND	20	QCCJ	SQUARE		PLASTIC/EPOXY	YES	1	3500000 Hz	CMOS		14	NO	5	5/15	50 pF	CHIP CARRIER	LDCC20,.4SQ	ASYNCHRONOUS	360 ns		Counters	1.27 mm	85 Cel	UP		NEGATIVE EDGE	-40 Cel	MATTE TIN	QUAD	3.5 MHz	S-PQCC-J20	15 V	4.57 mm	8.965 mm	Not Qualified	3 V		OUTPUTS FROM 12 STAGES AVAILABLE	e3	8.965 mm	4000/14000/40000
HCF40102BC1	STMicroelectronics	DECADE COUNTER	INDUSTRIAL	J BEND	20	QCCJ	SQUARE		PLASTIC/EPOXY	YES	1	700000 Hz	CMOS		8	YES	5	3/15	50 pF	CHIP CARRIER	LDCC20,.4SQ	SYNCHRONOUS	600 ns		Counters	1.27 mm	85 Cel	DOWN		POSITIVE EDGE	-40 Cel	MATTE TIN	QUAD	.7 MHz	S-PQCC-J20	15 V	4.57 mm	8.965 mm	Not Qualified	3 V		TCO OUTPUT; RESET TO MAX COUNT	e3	8.965 mm	4000/14000/40000
HCF4518BC1	STMicroelectronics	DECADE COUNTER	INDUSTRIAL	J BEND	20	QCCJ	SQUARE		PLASTIC/EPOXY	YES	2	3000000 Hz	CMOS		4	NO	5	5/15	50 pF	CHIP CARRIER	LDCC20,.4SQ	SYNCHRONOUS	560 ns		Counters	1.27 mm	85 Cel	UP		POSITIVE EDGE	-40 Cel	MATTE TIN	QUAD	4 MHz	S-PQCC-J20	15 V	4.57 mm	8.965 mm	Not Qualified	3 V		GATED CLOCK; SCHMITT TRIGGER ON CLOCK INPUT	e3	8.965 mm	4000/14000/40000
HCF4017BC1	STMicroelectronics	RING COUNTER	INDUSTRIAL	J BEND	20	QCCJ	SQUARE		PLASTIC/EPOXY	YES	1	2500000 Hz	CMOS		10	NO	5	3/15	50 pF	CHIP CARRIER	LDCC20,.4SQ	SYNCHRONOUS	650 ns		Counters	1.27 mm	85 Cel	UP		POSITIVE EDGE	-40 Cel	MATTE TIN	QUAD	2.5 MHz	S-PQCC-J20	15 V	4.57 mm	8.9662 mm	Not Qualified	3 V		JOHNSON COUNTER WITH 10 DECODED OUTPUTS; TCO OUTPUT; GATED CLOCK	e3	8.9662 mm	4000/14000/40000
HCF4089BC1	STMicroelectronics	BINARY COUNTER	INDUSTRIAL	J BEND	20	QCCJ	SQUARE		PLASTIC/EPOXY	YES	1		CMOS		4	YES	5	3/15		CHIP CARRIER	LDCC20,.4SQ	SYNCHRONOUS	220 ns		Counters	1.27 mm	85 Cel	UP		NEGATIVE EDGE	-40 Cel	MATTE TIN	QUAD	3.5 MHz	S-PQCC-J20	15 V	4.57 mm	8.965 mm	Not Qualified	3 V			e3	8.965 mm	4000/14000/40000
HCF4033BC1	STMicroelectronics	DISPLAY DRIVER COUNTER	INDUSTRIAL	J BEND	20	QCCJ	SQUARE		PLASTIC/EPOXY	YES	1		CMOS		5	YES	5	3/15	50 pF	CHIP CARRIER	LDCC20,.4SQ	SYNCHRONOUS	700 ns		Counters	1.27 mm	85 Cel	UP		POSITIVE EDGE	-40 Cel	MATTE TIN	QUAD	2.5 MHz	S-PQCC-J20	15 V	4.57 mm	8.965 mm	Not Qualified	3 V		JOHNSON COUNTER; SCHMITT TRIGGER ON CLOCK INPUT; 7 SEGMENT DISPLAY DRIVERS; RIPPLE BLANKING	e3	8.965 mm	4000/14000/40000
HCF40160BC1	STMicroelectronics	DECADE COUNTER	INDUSTRIAL	J BEND	20	QCCJ	SQUARE		PLASTIC/EPOXY	YES	1	2000000 Hz	CMOS		4	YES	5	3/15	50 pF	CHIP CARRIER	LDCC20,.4SQ	SYNCHRONOUS	400 ns		Counters	1.27 mm	85 Cel	UP		POSITIVE EDGE	-40 Cel	MATTE TIN	QUAD	2 MHz	S-PQCC-J20	15 V	4.57 mm	8.9662 mm	Not Qualified	3 V		TCO OUTPUT	e3	8.9662 mm	4000/14000/40000
HCF4024BC1	STMicroelectronics	BINARY COUNTER	INDUSTRIAL	J BEND	20	QCCJ	SQUARE		PLASTIC/EPOXY	YES	1	3500000 Hz	CMOS		7	NO	5	3/15	50 pF	CHIP CARRIER	LDCC20,.4SQ	ASYNCHRONOUS	360 ns		Counters	1.27 mm	85 Cel	UP		NEGATIVE EDGE	-40 Cel	MATTE TIN	QUAD	3.5 MHz	S-PQCC-J20	15 V	4.57 mm	8.965 mm	Not Qualified	3 V			e3	8.965 mm	4000/14000/40000
HCF4026BC1	STMicroelectronics	DISPLAY DRIVER COUNTER	INDUSTRIAL	J BEND	20	QCCJ	SQUARE		PLASTIC/EPOXY	YES	1		CMOS		5	YES	5	3/15	50 pF	CHIP CARRIER	LDCC20,.4SQ	SYNCHRONOUS	700 ns		Counters	1.27 mm	85 Cel	UP		POSITIVE EDGE	-40 Cel	MATTE TIN	QUAD	2.5 MHz	S-PQCC-J20	15 V	4.57 mm	8.965 mm	Not Qualified	3 V		JOHNSON COUNTER; SCHMITT TRIGGER ON CLOCK I/P; 7 SEGMENT DISPLAY DRIVER; DISPLAY ENABLE	e3	8.965 mm	4000/14000/40000
HCF4522BC1	STMicroelectronics	DECADE COUNTER	INDUSTRIAL	J BEND	20	QCCJ	SQUARE		PLASTIC/EPOXY	YES	1		CMOS		4	YES	5	3/18		CHIP CARRIER	LDCC20,.4SQ	SYNCHRONOUS			Counters	1.27 mm	85 Cel	DOWN		POSITIVE EDGE	-40 Cel	MATTE TIN	QUAD		S-PQCC-J20	15 V	4.57 mm	8.965 mm	Not Qualified	3 V		TCO OUTPUT; GATED CLOCK	e3	8.965 mm	4000/14000/40000
HCF40103BC1	STMicroelectronics	BINARY COUNTER	INDUSTRIAL	J BEND	20	QCCJ	SQUARE		PLASTIC/EPOXY	YES	1	700000 Hz	CMOS		8	YES	5	3/15	50 pF	CHIP CARRIER	LDCC20,.4SQ	SYNCHRONOUS	600 ns		Counters	1.27 mm	85 Cel	DOWN		POSITIVE EDGE	-40 Cel	MATTE TIN	QUAD	.7 MHz	S-PQCC-J20	15 V	4.57 mm	8.965 mm	Not Qualified	3 V		TCO OUTPUT; RESET TO MAX COUNT	e3	8.965 mm	4000/14000/40000
5962F8974902VYA	STMicroelectronics	BINARY COUNTER	MILITARY	FLAT	20	DFP	RECTANGULAR	300k Rad(Si)	CERAMIC, METAL-SEALED COFIRED	YES	1		CMOS	MIL-PRF-38535 Class V	4		4.5			FLATPACK		SYNCHRONOUS	16.5 ns				125 Cel	BIDIRECTIONAL		POSITIVE EDGE	-55 Cel		DUAL	90 MHz	R-CDFP-F20	5.5 V			Qualified	3 V					AC
HCF4045BC1	STMicroelectronics	BINARY COUNTER	INDUSTRIAL	J BEND	20	QCCJ	SQUARE		PLASTIC/EPOXY	YES	1		CMOS		21	YES				CHIP CARRIER		ASYNCHRONOUS	5.5 ns			1.27 mm	85 Cel				-40 Cel		QUAD	30 MHz	S-PQCC-J20	15 V	4.57 mm	8.9662 mm	Not Qualified	3 V				8.9662 mm	4000/14000/40000
HCF4510BC1	STMicroelectronics	DECADE COUNTER	INDUSTRIAL	J BEND	20	QCCJ	SQUARE		PLASTIC/EPOXY	YES	1	2000000 Hz	CMOS		4	YES	5	5/15	50 pF	CHIP CARRIER	LDCC20,.4SQ	SYNCHRONOUS	400 ns		Counters	1.27 mm	85 Cel	BIDIRECTIONAL		POSITIVE EDGE	-40 Cel	TIN LEAD	QUAD	2 MHz	S-PQCC-J20	15 V	4.57 mm	8.9662 mm	Not Qualified	3 V		TCO OUTPUT	e0	8.9662 mm	4000/14000/40000
HCF4566BC1	STMicroelectronics	DECADE COUNTER	INDUSTRIAL	J BEND	20	QCCJ	SQUARE		PLASTIC/EPOXY	YES	2		CMOS		4	YES	5			CHIP CARRIER		ASYNCHRONOUS				1.27 mm	85 Cel	UP		NEGATIVE EDGE	-40 Cel		QUAD		S-PQCC-J20	15 V	4.57 mm	8.965 mm	Not Qualified	3 V		DIVIDE BY 5 OR DIVIDE BY 6 SELECT CONTROL; BUILT-IN MONOSTABLE MULTIVIBRATOR		8.965 mm	4000/14000/40000
HCF40110BC1	STMicroelectronics	DISPLAY DRIVER COUNTER	INDUSTRIAL	J BEND	20	QCCJ	SQUARE		PLASTIC/EPOXY	YES	1		CMOS		5	YES	5	3/15	50 pF	CHIP CARRIER	LDCC20,.4SQ	SYNCHRONOUS			Counters	1.27 mm	85 Cel	BIDIRECTIONAL		POSITIVE EDGE	-40 Cel	Matte Tin (Sn)	QUAD		S-PQCC-J20	15 V	4.57 mm	8.9662 mm	Not Qualified	3 V		JOHNSON COUNTER; TCO UP AND TCO DOWN OUTPUTS; SEPARATE UP/DOWN CLOCK; 7 SEGMENT DISPLAY DRIVER	e3	8.9662 mm	4000/14000/40000
M38510/34301B2A	NXP Semiconductors	BINARY COUNTER	MILITARY	NO LEAD	20	QCCN	SQUARE		CERAMIC, METAL-SEALED COFIRED	YES	1		TTL	MIL-PRF-38535	4	YES	5			CHIP CARRIER		SYNCHRONOUS	11.5 ns				125 Cel	UP		POSITIVE EDGE	-55 Cel		QUAD	70 MHz	S-CQCC-N20	5.5 V			Not Qualified	4.5 V					F/FAST
M38510/34304B2A	NXP Semiconductors	BINARY COUNTER	MILITARY	NO LEAD	20	QCCN	SQUARE		CERAMIC, METAL-SEALED COFIRED	YES	1		TTL	MIL-PRF-38535	4	YES	5			CHIP CARRIER		SYNCHRONOUS	14 ns				125 Cel	BIDIRECTIONAL		POSITIVE EDGE	-55 Cel		QUAD	70 MHz	S-CQCC-N20	5.5 V			Not Qualified	4.5 V					F/FAST
M38510/34302B2A	NXP Semiconductors	BINARY COUNTER	MILITARY	NO LEAD	20	QCCN	SQUARE		CERAMIC, METAL-SEALED COFIRED	YES	1		TTL	MIL-PRF-38535	4	YES	5			CHIP CARRIER		SYNCHRONOUS	11.5 ns				125 Cel	UP		POSITIVE EDGE	-55 Cel		QUAD	70 MHz	S-CQCC-N20	5.5 V			Not Qualified	4.5 V					F/FAST
M38510/34302B2X	NXP Semiconductors	BINARY COUNTER	MILITARY	NO LEAD	20	QCCN	SQUARE		CERAMIC, METAL-SEALED COFIRED	YES	1		TTL		4	YES	5			CHIP CARRIER		SYNCHRONOUS	11.5 ns				125 Cel	UP		POSITIVE EDGE	-55 Cel		QUAD	70 MHz	S-CQCC-N20	5.5 V			Not Qualified	4.5 V					F/FAST
M38510/34304B2X	NXP Semiconductors	BINARY COUNTER	MILITARY	NO LEAD	20	QCCN	SQUARE		CERAMIC, METAL-SEALED COFIRED	YES	1		TTL		4	YES	5			CHIP CARRIER		SYNCHRONOUS	14 ns				125 Cel	BIDIRECTIONAL		POSITIVE EDGE	-55 Cel		QUAD	70 MHz	S-CQCC-N20	5.5 V			Not Qualified	4.5 V					F/FAST
N54F161A/B2A	NXP Semiconductors	BINARY COUNTER	MILITARY	NO LEAD	20	QCCN	SQUARE		CERAMIC, METAL-SEALED COFIRED	YES	1		TTL		4	YES	5		50 pF	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	Not Qualified	4.5 V	55 mA	TCO OUTPUT		8.89 mm	F/FAST
N74F568D-T	NXP Semiconductors	DECADE COUNTER	COMMERCIAL	GULL WING	20	SOP	RECTANGULAR		PLASTIC/EPOXY	YES	1		TTL		4	YES	5		50 pF	SMALL OUTLINE		SYNCHRONOUS	12 ns			1.27 mm	70 Cel	BIDIRECTIONAL	3-STATE	POSITIVE EDGE	0 Cel		DUAL	90 MHz	R-PDSO-G20	5.5 V	2.65 mm	7.5 mm	Not Qualified	4.5 V	62 mA	TCO OUTPUT; CLOCKED CARRY OUTPUT		12.8 mm	F/FAST
74F569N	NXP Semiconductors	BINARY COUNTER	COMMERCIAL	THROUGH-HOLE	20	DIP	RECTANGULAR		PLASTIC/EPOXY	NO	1		TTL		4	YES	5		50 pF	IN-LINE		SYNCHRONOUS	12 ns			2.54 mm	70 Cel	BIDIRECTIONAL	3-STATE	POSITIVE EDGE	0 Cel	TIN/NICKEL PALLADIUM GOLD	DUAL	90 MHz	R-PDIP-T20	5.5 V	4.2 mm	7.62 mm	Not Qualified	4.5 V	62 mA	TCO OUTPUT; CLOCKED CARRY OUTPUT	e3/e4	26.73 mm	F/FAST
933840370602	NXP Semiconductors	BINARY COUNTER	COMMERCIAL	GULL WING	20	SOP	RECTANGULAR		PLASTIC/EPOXY	YES	1		TTL		8	YES	5			SMALL OUTLINE		SYNCHRONOUS	11.5 ns			1.27 mm	70 Cel	BIDIRECTIONAL	3-STATE	POSITIVE EDGE	0 Cel	NICKEL PALLADIUM GOLD	DUAL	80 MHz	R-PDSO-G20	5.5 V	2.65 mm	7.5 mm	Not Qualified	4.5 V			e4	12.8 mm	F/FAST
N74F569D	NXP Semiconductors	BINARY COUNTER	COMMERCIAL	GULL WING	20	SOP	RECTANGULAR		PLASTIC/EPOXY	YES	1	45000000 Hz	TTL		4	YES	5	5	50 pF	SMALL OUTLINE	SOP20,.4	SYNCHRONOUS	12 ns	24 Amp	Counters	1.27 mm	70 Cel	BIDIRECTIONAL	3-STATE	POSITIVE EDGE	0 Cel		DUAL	90 MHz	R-PDSO-G20	5.5 V	2.65 mm	7.5 mm	Not Qualified	4.5 V	62 mA	TCO OUTPUT; CLOCKED CARRY OUTPUT		12.8 mm	F/FAST
74LVC579DB-T	NXP Semiconductors	BINARY COUNTER	INDUSTRIAL	GULL WING	20	SSOP	RECTANGULAR		PLASTIC/EPOXY	YES	1		CMOS		8	YES	3.3			SMALL OUTLINE, SHRINK PITCH		SYNCHRONOUS				.65 mm	85 Cel	BIDIRECTIONAL	3-STATE	POSITIVE EDGE	-40 Cel		DUAL		R-PDSO-G20	3.6 V	2 mm	5.3 mm	Not Qualified	1.2 V		MULTIPLEXED I/O		7.2 mm	LVC/LCX/Z
N74F579D	NXP Semiconductors	BINARY COUNTER	COMMERCIAL	GULL WING	20	SOP	RECTANGULAR		PLASTIC/EPOXY	YES	1	80000000 Hz	TTL		8	YES	5	5	50 pF	SMALL OUTLINE	SOP20,.4	SYNCHRONOUS	11.5 ns	24 Amp	Counters	1.27 mm	70 Cel	BIDIRECTIONAL	3-STATE	POSITIVE EDGE	0 Cel	NICKEL PALLADIUM GOLD	DUAL	80 MHz	R-PDSO-G20	5.5 V	2.65 mm	7.5 mm	Not Qualified	4.5 V	145 mA	TCO OUTPUT; MULTIPLEXED I/O	e4	12.8 mm	F/FAST
N54F579/BSA	NXP Semiconductors	BINARY COUNTER	MILITARY	FLAT	20	DFP	RECTANGULAR		CERAMIC, METAL-SEALED COFIRED	YES	1		TTL		8	YES	5		50 pF	FLATPACK		SYNCHRONOUS	12.5 ns			1.27 mm	125 Cel	BIDIRECTIONAL	3-STATE	POSITIVE EDGE	-55 Cel		DUAL	80 MHz	R-CDFP-F20	5.5 V	2.54 mm	6.9215 mm	Not Qualified	4.5 V	145 mA	TCO OUTPUT; MULTIPLEXED I/O		13.716 mm	F/FAST
54F579/B2A	NXP Semiconductors	BINARY COUNTER	MILITARY	NO LEAD	20	QCCN	SQUARE		CERAMIC, METAL-SEALED COFIRED	YES	1		TTL		8	YES	5		50 pF	CHIP CARRIER		SYNCHRONOUS	12.5 ns			1.27 mm	125 Cel	BIDIRECTIONAL	3-STATE	POSITIVE EDGE	-55 Cel		QUAD	80 MHz	S-CQCC-N20	5.5 V	1.905 mm	8.89 mm	Not Qualified	4.5 V	145 mA	TCO OUTPUT; MULTIPLEXED I/O		8.89 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.