SQUARE Latches & Flip-Flops 1,754

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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	Packing Method	Nominal Supply Voltage / Vsup (V)	Power Supplies (V)	Load Capacitance (CL)	Package Style (Meter)	Package Equivalence Code	Propagation Delay (tpd)	Maximum I (ol)	Sub-Category	Terminal Pitch	Maximum Operating Temperature	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	Output Polarity	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
SN74AUP2G80RSER	Texas Instruments	D FLIP-FLOP	INDUSTRIAL	NO LEAD	8	VQCCN	SQUARE	UNSPECIFIED	YES	2	80000000 Hz	CMOS		1	TR	1.2	1.2/3.3	30 pF	CHIP CARRIER, VERY THIN PROFILE	LCC8,.06SQ,20	28.7 ns	4 Amp	FF/Latches	.5 mm	85 Cel		POSITIVE EDGE	-40 Cel	NICKEL PALLADIUM GOLD SILVER	QUAD	260 MHz	S-XQCC-N8	1	3.6 V	.6 mm	1.5 mm	Not Qualified	TRUE	.8 V	.0009 mA		e4	30	260	1.5 mm	AUP/ULP/V
SN74AHC74RGYR	Texas Instruments	D FLIP-FLOP	AUTOMOTIVE	NO LEAD	14	HVQCCN	SQUARE	PLASTIC/EPOXY	YES	2	75000000 Hz	CMOS		1	TR	3.3	2/5.5	50 pF	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	LCC14/18,.14SQ,20	17.5 ns	8 Amp	FF/Latches	.5 mm	125 Cel		POSITIVE EDGE	-40 Cel	Nickel/Palladium/Gold (Ni/Pd/Au)	QUAD	110 MHz	S-PQCC-N14	2	5.5 V	1 mm	3.5 mm	Not Qualified	COMPLEMENTARY	2 V	.02 mA		e4	NOT SPECIFIED	260	3.5 mm	AHC/VHC/H/U/V
SN74AS574FN3	Texas Instruments	D FLIP-FLOP	COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY	YES	8	90000000 Hz	TTL				5	5	50 pF	CHIP CARRIER	LDCC20,.4SQ		48 Amp	FF/Latches	1.27 mm	70 Cel	3-STATE	POSITIVE EDGE	0 Cel		QUAD		S-PQCC-J20
SN74LS74AFN	Texas Instruments	D FLIP-FLOP	COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY	YES	2		TTL		1		5	5	15 pF	CHIP CARRIER	LDCC20,.4SQ	40 ns		FF/Latches	1.27 mm	70 Cel		POSITIVE EDGE	0 Cel		QUAD	25 MHz	S-PQCC-J20		5.25 V	4.57 mm	8.9662 mm	Not Qualified	COMPLEMENTARY	4.75 V	8 mA			NOT SPECIFIED	NOT SPECIFIED	8.9662 mm	LS
SN74LS114AFN	Texas Instruments	J-K FLIP-FLOP	COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1		TTL		2		5	5	15 pF	CHIP CARRIER	LDCC20,.4SQ	20 ns		FF/Latches	1.27 mm	70 Cel		NEGATIVE EDGE	0 Cel		QUAD	30 MHz	S-PQCC-J20		5.25 V	4.57 mm	8.9662 mm	Not Qualified	COMPLEMENTARY	4.75 V	6 mA	WITH INDIVIDUAL SET INPUTS		NOT SPECIFIED	NOT SPECIFIED	8.9662 mm	LS
SN74LS374FN3	Texas Instruments	D FLIP-FLOP	COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY	YES	8		TTL				5	5		CHIP CARRIER	LDCC20,.4SQ			FF/Latches	1.27 mm	70 Cel	3-STATE	POSITIVE EDGE	0 Cel		QUAD		S-PQCC-J20
SN74ALS533FN3	Texas Instruments	D LATCH	COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1		TTL		8		5	5		CHIP CARRIER	LDCC20,.4SQ			FF/Latches	1.27 mm	70 Cel	3-STATE		0 Cel		QUAD		S-PQCC-J20
5962-9862701Q2X	Texas Instruments	D FLIP-FLOP	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED	YES	2		TTL	MIL-PRF-38535	1		5			CHIP CARRIER		10.5 ns			1.27 mm	125 Cel		POSITIVE EDGE	-55 Cel		QUAD	90 MHz	S-CQCC-N20		5.5 V	2.03 mm	8.89 mm	Not Qualified	COMPLEMENTARY	4.5 V						8.89 mm	AS
SN74ALS575FN3	Texas Instruments	D FLIP-FLOP	COMMERCIAL	J BEND	28	QCCJ	SQUARE	PLASTIC/EPOXY	YES	8		TTL				5	5		CHIP CARRIER	LDCC28,.5SQ			FF/Latches	1.27 mm	70 Cel	3-STATE	POSITIVE EDGE	0 Cel		QUAD		S-PQCC-J28
5962-89925012A	Texas Instruments	D FLIP-FLOP	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED	YES	1	30000000 Hz	TTL	MIL-STD-883	6		5	5		CHIP CARRIER	LCC20,.35SQ	42 ns	4 Amp	FF/Latch	1.27 mm	125 Cel		POSITIVE EDGE	-55 Cel	TIN LEAD	QUAD	30 MHz	S-CQCC-N20		5.5 V			Qualified	TRUE	4.5 V	22 mA	WITH HOLD MODE	e0				LS
5962-9221903M2A	Texas Instruments	D FLIP-FLOP	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED	YES	1	71400000 Hz	CMOS	MIL-STD-883	8	TUBE	5	5	50 pF	CHIP CARRIER	LCC20,.35SQ	5.5 ns	32 Amp	FF/Latch	1.27 mm	125 Cel	3-STATE	POSITIVE EDGE	-55 Cel	TIN LEAD	QUAD		S-CQCC-N20		5.5 V	2.03 mm	8.89 mm	Qualified	TRUE	4.5 V		WITH HOLD MODE	e0			8.89 mm	FCT
5962-9758001Q2A	Texas Instruments	J-KBAR FLIP-FLOP	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED	YES	2	70000000 Hz	TTL	MIL-PRF-38535 Class Q	2	TUBE	5	5	50 pF	CHIP CARRIER	LCC20,.35SQ	10.5 ns	20 Amp	FF/Latch	1.27 mm	125 Cel		POSITIVE EDGE	-55 Cel	TIN LEAD	QUAD	70 MHz	S-CQCC-N20		5.5 V	2.03 mm	8.89 mm	Qualified	COMPLEMENTARY	4.5 V	17 mA		e0			8.89 mm	F/FAST
SN74LS375FN3	Texas Instruments	D LATCH	COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1		TTL		4		5	5		CHIP CARRIER	LDCC20,.4SQ			FF/Latches	1.27 mm	70 Cel			0 Cel		QUAD		S-PQCC-J20
SN74LS606FN3	Texas Instruments	JBAR-KBAR FLIP-FLOP	COMMERCIAL	J BEND	28	QCCJ	SQUARE	PLASTIC/EPOXY	YES	8		TTL							CHIP CARRIER	LDCC28,.5SQ			FF/Latches	1.27 mm	70 Cel	3-STATE	POSITIVE EDGE	0 Cel		QUAD		S-PQCC-J28											NOT SPECIFIED	NOT SPECIFIED
SN74AS109FN3	Texas Instruments	J-K FLIP-FLOP	COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY	YES	2		TTL							CHIP CARRIER	LDCC20,.4SQ			FF/Latches	1.27 mm	70 Cel		POSITIVE EDGE	0 Cel		QUAD		S-PQCC-J20
SN74HC563FN3	Texas Instruments	D LATCH	INDUSTRIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1		CMOS		8			2/6		CHIP CARRIER	LDCC20,.4SQ			FF/Latches	1.27 mm	85 Cel	3-STATE		-40 Cel		QUAD		S-PQCC-J20
SN74HCT533FH	Texas Instruments	D LATCH	INDUSTRIAL	NO LEAD	20	QCCN	SQUARE	CERAMIC	YES	1		CMOS		8		5	5		CHIP CARRIER	LCC20,.35SQ			FF/Latches	1.27 mm	85 Cel	3-STATE		-40 Cel		QUAD		S-XQCC-N20					Not Qualified
SN74LS171FN	Texas Instruments	D FLIP-FLOP	COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1		TTL		4		5		15 pF	CHIP CARRIER	LDCC20,.4SQ	30 ns		FF/Latches	1.27 mm	70 Cel		POSITIVE EDGE	0 Cel		QUAD	20 MHz	S-PQCC-J20		5.25 V	4.57 mm	8.9662 mm	Not Qualified	COMPLEMENTARY	4.75 V	25 mA			NOT SPECIFIED	NOT SPECIFIED	8.9662 mm	LS
SN74ALS74FN-00	Texas Instruments	D FLIP-FLOP	COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY	YES	2		TTL		1		5		50 pF	CHIP CARRIER		18 ns			1.27 mm	70 Cel		POSITIVE EDGE	0 Cel		QUAD	34 MHz	S-PQCC-J20		5.5 V	4.57 mm	8.9662 mm	Not Qualified	COMPLEMENTARY	4.5 V	4 mA					8.9662 mm	ALS
SN74ALS878FN	Texas Instruments	D FLIP-FLOP	COMMERCIAL	J BEND	28	QCCJ	SQUARE	PLASTIC/EPOXY	YES	2		TTL				5	5		CHIP CARRIER	LDCC28,.5SQ			FF/Latches	1.27 mm	70 Cel	3-STATE	POSITIVE EDGE	0 Cel		QUAD		S-PQCC-J28					Not Qualified
SN74AUP2G79RSER	Texas Instruments	D FLIP-FLOP	INDUSTRIAL	NO LEAD	8	VQCCN	SQUARE	UNSPECIFIED	YES	2	80000000 Hz	CMOS		1	TR	1.2	1.2/3.3	30 pF	CHIP CARRIER, VERY THIN PROFILE	LCC8,.06SQ,20	24 ns	4 Amp	FF/Latches	.5 mm	85 Cel		POSITIVE EDGE	-40 Cel	Nickel/Palladium/Gold/Silver (Ni/Pd/Au/Ag)	QUAD	260 MHz	S-XQCC-N8	1	3.6 V	.6 mm	1.5 mm	Not Qualified	TRUE	.8 V	.0009 mA		e4	NOT SPECIFIED	260	1.5 mm	AUP/ULP/V
SN74HCT574FN3	Texas Instruments	D FLIP-FLOP	INDUSTRIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY	YES	8		CMOS				5	5		CHIP CARRIER	LDCC20,.4SQ		6 Amp	FF/Latches	1.27 mm	85 Cel	3-STATE	POSITIVE EDGE	-40 Cel		QUAD		S-PQCC-J20
SN74HC112FHP4	Texas Instruments	J-K FLIP-FLOP	INDUSTRIAL	NO LEAD	20	QCCN	SQUARE	CERAMIC	YES	2		CMOS					2/6		CHIP CARRIER	LCC20,.35SQ			FF/Latches	1.27 mm	85 Cel		NEGATIVE EDGE	-40 Cel		QUAD		S-XQCC-N20											NOT SPECIFIED	NOT SPECIFIED
SN74HC273FN3	Texas Instruments	D FLIP-FLOP	INDUSTRIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY	YES	8		CMOS					2/6		CHIP CARRIER	LDCC20,.4SQ			FF/Latches	1.27 mm	85 Cel		POSITIVE EDGE	-40 Cel		QUAD		S-PQCC-J20
JM38510/36101B2A	Texas Instruments	D FLIP-FLOP	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED	YES	1		TTL	MIL-M-38510 Class B	4		5			CHIP CARRIER		35 ns			1.27 mm	125 Cel	3-STATE	POSITIVE EDGE	-55 Cel		QUAD	30 MHz	S-CQCC-N20		5.5 V	2.03 mm	8.89 mm	Not Qualified	TRUE	4.5 V				NOT SPECIFIED	NOT SPECIFIED	8.89 mm	LS
SN74LS74AFN3	Texas Instruments	JBAR-KBAR FLIP-FLOP	COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY	YES	2		TTL				5	5		CHIP CARRIER	LDCC20,.4SQ			FF/Latches	1.27 mm	70 Cel		POSITIVE EDGE	0 Cel		QUAD		S-PQCC-J20											NOT SPECIFIED	NOT SPECIFIED
SN74HC564FN3	Texas Instruments	D FLIP-FLOP	INDUSTRIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY	YES	8		CMOS					2/6		CHIP CARRIER	LDCC20,.4SQ			FF/Latches	1.27 mm	85 Cel	3-STATE	POSITIVE EDGE	-40 Cel		QUAD		S-PQCC-J20
SN74ALS564FN	Texas Instruments	D FLIP-FLOP	COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY	YES	8		TTL				5	5		CHIP CARRIER	LDCC20,.4SQ			FF/Latches	1.27 mm	70 Cel	3-STATE	POSITIVE EDGE	0 Cel		QUAD		S-PQCC-J20					Not Qualified
SN74AS533FN	Texas Instruments	D LATCH	COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1		TTL		8		5	5		CHIP CARRIER	LDCC20,.4SQ			FF/Latches	1.27 mm	70 Cel	3-STATE		0 Cel		QUAD		S-PQCC-J20					Not Qualified
SN74HC563FN	Texas Instruments	D LATCH	INDUSTRIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1		CMOS		8			2/6		CHIP CARRIER	LDCC20,.4SQ			FF/Latches	1.27 mm	85 Cel	3-STATE		-40 Cel		QUAD		S-PQCC-J20					Not Qualified
SN74HC175FH	Texas Instruments	D FLIP-FLOP	INDUSTRIAL	NO LEAD	20	QCCN	SQUARE	CERAMIC	YES	4		CMOS					2/6		CHIP CARRIER	LCC20,.35SQ			FF/Latches	1.27 mm	85 Cel		POSITIVE EDGE	-40 Cel		QUAD		S-XQCC-N20					Not Qualified
SN74AS573FN	Texas Instruments	D LATCH	COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1		TTL		8		5	5		CHIP CARRIER	LDCC20,.4SQ			FF/Latches	1.27 mm	70 Cel	3-STATE		0 Cel		QUAD		S-PQCC-J20					Not Qualified
SN74ALS29841FN	Texas Instruments	D LATCH	COMMERCIAL	J BEND	28	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1		TTL		10					CHIP CARRIER	LDCC28,.5SQ		48 Amp	FF/Latches	1.27 mm	70 Cel	3-STATE		0 Cel		QUAD		S-PQCC-J28					Not Qualified			85 mA
SN74HCT574FH	Texas Instruments	D FLIP-FLOP	INDUSTRIAL	NO LEAD	20	QCCN	SQUARE	CERAMIC	YES	8		CMOS				5	5		CHIP CARRIER	LCC20,.35SQ		6 Amp	FF/Latches	1.27 mm	85 Cel	3-STATE	POSITIVE EDGE	-40 Cel		QUAD		S-XQCC-N20					Not Qualified
SN74ALS577AFN3	Texas Instruments	D FLIP-FLOP	COMMERCIAL	J BEND	28	QCCJ	SQUARE	PLASTIC/EPOXY	YES	8		TTL				5	5		CHIP CARRIER	LDCC28,.5SQ			FF/Latches	1.27 mm	70 Cel	3-STATE	POSITIVE EDGE	0 Cel		QUAD		S-PQCC-J28
5962-9759201Q2X	Texas Instruments	D FLIP-FLOP	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED	YES	2		TTL	MIL-STD-883	1		5			CHIP CARRIER		10.5 ns			1.27 mm	125 Cel		POSITIVE EDGE	-55 Cel		QUAD	80 MHz	S-CQCC-N20		5.5 V	2.03 mm	8.89 mm	Qualified	COMPLEMENTARY	4.5 V				NOT SPECIFIED	NOT SPECIFIED	8.89 mm	F/FAST
SN74HC4724FK	Texas Instruments	D LATCH	INDUSTRIAL	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED	YES	1		CMOS		8		5			CHIP CARRIER		43 ns			1.27 mm	85 Cel		POSITIVE EDGE	-40 Cel		QUAD		S-CQCC-N20		6 V	2.03 mm	8.89 mm	Not Qualified	TRUE	2 V		1:8 DMUX FOLLOWED BY LATCH; RESET ACTIVE ONLY WHEN LATCH ENABLE IS HIGH				8.89 mm	HC
SN74ALS112AFN-00	Texas Instruments	J-K FLIP-FLOP	COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY	YES	2		TTL		2		5		50 pF	CHIP CARRIER		19 ns			1.27 mm	70 Cel		NEGATIVE EDGE	0 Cel		QUAD	30 MHz	S-PQCC-J20		5.5 V	4.57 mm	8.9662 mm	Not Qualified	COMPLEMENTARY	4.5 V	4.5 mA					8.9662 mm	ALS
SN74ALS991FN	Texas Instruments	D LATCH	COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1		TTL		8		5		50 pF	CHIP CARRIER	LDCC20,.4SQ	23 ns		FF/Latches	1.27 mm	70 Cel	3-STATE	HIGH LEVEL	0 Cel		QUAD		S-PQCC-J20		5.5 V	4.57 mm	8.9662 mm	Not Qualified	INVERTED	4.5 V	75 mA	WITH READ-BACK		NOT SPECIFIED	NOT SPECIFIED	8.9662 mm	ALS
SN74ALS876FN3	Texas Instruments	D FLIP-FLOP	COMMERCIAL	J BEND	28	QCCJ	SQUARE	PLASTIC/EPOXY	YES	2		TTL				5	5		CHIP CARRIER	LDCC28,.5SQ			FF/Latches	1.27 mm	70 Cel		POSITIVE EDGE	0 Cel		QUAD		S-PQCC-J28
SN74HCT563FN3	Texas Instruments	D LATCH	INDUSTRIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1		CMOS		8		5	5		CHIP CARRIER	LDCC20,.4SQ			FF/Latches	1.27 mm	85 Cel	3-STATE		-40 Cel		QUAD		S-PQCC-J20
SN74HC564FN	Texas Instruments	D FLIP-FLOP	INDUSTRIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY	YES	8		CMOS					2/6		CHIP CARRIER	LDCC20,.4SQ			FF/Latches	1.27 mm	85 Cel	3-STATE	POSITIVE EDGE	-40 Cel		QUAD		S-PQCC-J20					Not Qualified
SN74HC113FH4	Texas Instruments	J-K FLIP-FLOP	INDUSTRIAL	NO LEAD	20	QCCN	SQUARE	CERAMIC	YES	2		CMOS					2/6		CHIP CARRIER	LCC20,.35SQ			FF/Latches	1.27 mm	85 Cel		NEGATIVE EDGE	-40 Cel		QUAD		S-XQCC-N20
SN74AS374FN3	Texas Instruments	D FLIP-FLOP	COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY	YES	8	125000000 Hz	TTL				5	5		CHIP CARRIER	LDCC20,.4SQ		48 Amp	FF/Latches	1.27 mm	70 Cel	3-STATE	POSITIVE EDGE	0 Cel		QUAD		S-PQCC-J20								128 mA
SN74ALS563FN3	Texas Instruments	D LATCH	COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1		TTL		8		5	5		CHIP CARRIER	LDCC20,.4SQ			FF/Latches	1.27 mm	70 Cel	3-STATE		0 Cel		QUAD		S-PQCC-J20											NOT SPECIFIED	NOT SPECIFIED
5962-88534022X	Texas Instruments	J-KBAR FLIP-FLOP	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED	YES	2		CMOS	MIL-PRF-38535	2		5			CHIP CARRIER		14 ns				125 Cel		POSITIVE EDGE	-55 Cel		QUAD	85 MHz	S-CQCC-N20		5.5 V			Not Qualified	COMPLEMENTARY	4.5 V							ACT
SN74HC112FH4	Texas Instruments	J-K FLIP-FLOP	INDUSTRIAL	NO LEAD	20	QCCN	SQUARE	CERAMIC	YES	2		CMOS					2/6		CHIP CARRIER	LCC20,.35SQ			FF/Latches	1.27 mm	85 Cel		NEGATIVE EDGE	-40 Cel		QUAD		S-XQCC-N20											NOT SPECIFIED	NOT SPECIFIED
SN74ALS29843FN	Texas Instruments	D LATCH	COMMERCIAL	J BEND	28	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1		TTL		9		5	5		CHIP CARRIER	LDCC28,.5SQ		48 Amp	FF/Latches	1.27 mm	70 Cel	3-STATE		0 Cel		QUAD		S-PQCC-J28					Not Qualified			85 mA

Latches & Flip-Flops

Latches and flip-flops are two types of electronic circuits used in digital systems to store and manipulate digital data. They are both sequential logic circuits, meaning that they can store information and use that information to make decisions based on the previous state.

A latch is a type of digital circuit that can hold or "latch" a signal in its current state. It is a simple memory element that can store a single bit of information. A latch can be transparent or opaque, depending on its behavior when the clock signal is active. A transparent latch passes the input signal through to the output when the clock signal is active, while an opaque latch holds the input signal at the output when the clock signal is active.

Flip-flops are similar to latches but are more sophisticated and have additional control inputs. A flip-flop is a digital circuit that can store one bit of information and change its state based on the clock signal and input signals. Flip-flops can be edge-triggered or level-triggered, depending on how they respond to the clock signal. Edge-triggered flip-flops change their state at the rising or falling edge of the clock signal, while level-triggered flip-flops change their state continuously as long as the clock signal is active.

Flip-flops are classified into various types based on their behavior and the number of inputs. Some of the commonly used flip-flops include D flip-flops, JK flip-flops, T flip-flops, and SR flip-flops. D flip-flops have a single data input and a clock input and can store one bit of information. JK flip-flops have two inputs, J and K, and can store one bit of information. T flip-flops have a single input and can toggle between two states based on the clock signal. SR flip-flops have two inputs, S and R, and can store one bit of information.

Latches and flip-flops are used in various applications, including digital signal processing, memory systems, and control circuits. They are essential components of digital systems and can be found in many electronic devices, such as computers, mobile phones, and digital cameras.