COMMERCIAL Latches & Flip-Flops 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	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	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
SN74S74N-00	Texas Instruments	D FLIP-FLOP	COMMERCIAL	THROUGH-HOLE	14	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	2		TTL	1		5		15 pF	IN-LINE		9 ns			2.54 mm	70 Cel		POSITIVE EDGE		DUAL	75 MHz	R-PDIP-T14		5.25 V	5.08 mm	7.62 mm	Not Qualified	COMPLEMENTARY	4.75 V	25 mA					19.305 mm	S
SN7474J-00	Texas Instruments	D FLIP-FLOP	COMMERCIAL	THROUGH-HOLE	14	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	2		TTL	1		5		15 pF	IN-LINE		40 ns			2.54 mm	70 Cel		POSITIVE EDGE		DUAL	15 MHz	R-GDIP-T14		5.25 V	5.08 mm	7.62 mm	Not Qualified	COMPLEMENTARY	4.75 V	15 mA					19.56 mm	TTL/H/L
SN74AS174DRG4	Texas Instruments	D FLIP-FLOP	COMMERCIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1		TTL	6	TR	5			SMALL OUTLINE	SOP16,.25	10 ns		FF/Latches	1.27 mm	70 Cel		POSITIVE EDGE		DUAL	100 MHz	R-PDSO-G16		5.5 V	1.75 mm	3.9 mm	Not Qualified	TRUE	4.5 V				NOT SPECIFIED	NOT SPECIFIED	9.9 mm	AS
SN74F378D	Texas Instruments	D FLIP-FLOP	COMMERCIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1	80000000 Hz	TTL	6		5	5	50 pF	SMALL OUTLINE	SOP16,.25	6.1 ns	20 Amp	FF/Latches	1.27 mm	70 Cel		POSITIVE EDGE		DUAL	110 MHz	R-PDSO-G16		5.5 V	1.75 mm	3.9 mm	Not Qualified	TRUE	4.5 V	45 mA	WITH HOLD MODE		NOT SPECIFIED	NOT SPECIFIED	9.9 mm	F/FAST
SN74LS279AFN3	Texas Instruments	R-S LATCH	COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY	YES	4		TTL	1		5	5		CHIP CARRIER	LDCC20,.4SQ			FF/Latches	1.27 mm	70 Cel				QUAD		S-PQCC-J20
SN74ALS112JP4	Texas Instruments	J-K FLIP-FLOP	COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC	NO	2		TTL			5	5		IN-LINE	DIP16,.3			FF/Latches	2.54 mm	70 Cel		NEGATIVE EDGE		DUAL		R-XDIP-T16
SN74S114J4	Texas Instruments	J-K FLIP-FLOP	COMMERCIAL	THROUGH-HOLE	14	DIP	RECTANGULAR	CERAMIC	NO	2		TTL			5	5		IN-LINE	DIP14,.3			FF/Latches	2.54 mm	70 Cel		NEGATIVE EDGE		DUAL		R-XDIP-T14
SN74LS378J	Texas Instruments	D FLIP-FLOP	COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	1		TTL	6		5	5	15 pF	IN-LINE	DIP16,.3	27 ns		FF/Latches	2.54 mm	70 Cel		POSITIVE EDGE		DUAL	30 MHz	R-GDIP-T16		5.25 V	5.08 mm	7.62 mm	Not Qualified	TRUE	4.75 V	22 mA	WITH HOLD MODE		NOT SPECIFIED	NOT SPECIFIED	19.56 mm	LS
SN74174J	Texas Instruments	D FLIP-FLOP	COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	1		TTL	6		5	5	15 pF	IN-LINE	DIP16,.3	35 ns		FF/Latches	2.54 mm	70 Cel		POSITIVE EDGE		DUAL	25 MHz	R-GDIP-T16		5.25 V	5.08 mm	7.62 mm	Not Qualified	TRUE	4.75 V	65 mA			NOT SPECIFIED	NOT SPECIFIED	19.56 mm	TTL/H/L
SN74S268J4	Texas Instruments	D LATCH	COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC	NO	1		TTL	6					IN-LINE	DIP16,.3			FF/Latches	2.54 mm	70 Cel	3-STATE			DUAL		R-XDIP-T16											NOT SPECIFIED	NOT SPECIFIED
SN74H76J	Texas Instruments	J-K FLIP-FLOP	COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	2		TTL	2		5		25 pF	IN-LINE	DIP16,.3	27 ns		FF/Latches	2.54 mm	70 Cel		NEGATIVE EDGE		DUAL	25 MHz	R-GDIP-T16		5.25 V	5.08 mm	7.62 mm	Not Qualified	COMPLEMENTARY	4.75 V	25 mA	MASTER SLAVE OPERATION		NOT SPECIFIED	NOT SPECIFIED	19.56 mm	TTL/H/L
SN74LS363N3	Texas Instruments	JBAR-KBAR FLIP-FLOP	COMMERCIAL	THROUGH-HOLE	20	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1		TTL	8		5	5		IN-LINE	DIP20,.3			FF/Latches	2.54 mm	70 Cel	3-STATE			DUAL		R-PDIP-T20											NOT SPECIFIED	NOT SPECIFIED
SN74H103N	Texas Instruments	J-K FLIP-FLOP	COMMERCIAL	THROUGH-HOLE	14	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	2		TTL	2		5		25 pF	IN-LINE	DIP14,.3	20 ns		FF/Latches	2.54 mm	70 Cel		NEGATIVE EDGE		DUAL	40 MHz	R-PDIP-T14		5.25 V	5.08 mm	7.62 mm	Not Qualified	COMPLEMENTARY	4.75 V	38 mA			NOT SPECIFIED	NOT SPECIFIED	19.305 mm	TTL/H/L
SN74LS173J4	Texas Instruments	JBAR-KBAR FLIP-FLOP	COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC	NO	4		TTL			5	5		IN-LINE	DIP16,.3		24 Amp	FF/Latches	2.54 mm	70 Cel	3-STATE	POSITIVE EDGE		DUAL		R-XDIP-T16											NOT SPECIFIED	NOT SPECIFIED
SN74LS378FN	Texas Instruments	D FLIP-FLOP	COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1		TTL	6		5	5	15 pF	CHIP CARRIER	LDCC20,.4SQ	27 ns		FF/Latches	1.27 mm	70 Cel		POSITIVE EDGE		QUAD	30 MHz	S-PQCC-J20		5.25 V	4.57 mm	8.9662 mm	Not Qualified	TRUE	4.75 V	22 mA	WITH HOLD MODE		NOT SPECIFIED	NOT SPECIFIED	8.9662 mm	LS
SN74S74D3	Texas Instruments	JBAR-KBAR FLIP-FLOP	COMMERCIAL	GULL WING	14	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	2		TTL			5	5		SMALL OUTLINE	SOP14,.25			FF/Latches	1.27 mm	70 Cel		POSITIVE EDGE		DUAL		R-PDSO-G14											NOT SPECIFIED	NOT SPECIFIED
SN74S268N1	Texas Instruments	D LATCH	COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1		TTL	6					IN-LINE	DIP16,.3			FF/Latches	2.54 mm	70 Cel	3-STATE			DUAL		R-PDIP-T16					Not Qualified						NOT SPECIFIED	NOT SPECIFIED
SN74ALS74ANP3	Texas Instruments	D FLIP-FLOP	COMMERCIAL	THROUGH-HOLE	14	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	2	34000000 Hz	TTL			5	5		IN-LINE	DIP14,.3		8 Amp	FF/Latches	2.54 mm	70 Cel		POSITIVE EDGE		DUAL		R-PDIP-T14								4 mA
SN74LS378NSRG4	Texas Instruments	D FLIP-FLOP	COMMERCIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1	30000000 Hz	TTL	6	TR	5	5		SMALL OUTLINE	SOP16,.3	27 ns	8 Amp	FF/Latches	1.27 mm	70 Cel		POSITIVE EDGE		DUAL	30 MHz	R-PDSO-G16		5.25 V	2 mm	5.3 mm	Not Qualified	TRUE	4.75 V	22 mA			NOT SPECIFIED	NOT SPECIFIED	10.2 mm	LS
SN74LS273DWG4	Texas Instruments	D FLIP-FLOP	COMMERCIAL	GULL WING	20	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1	30000000 Hz	TTL	8		5	5	15 pF	SMALL OUTLINE	SOP20,.4	27 ns	8 Amp	FF/Latches	1.27 mm	70 Cel		POSITIVE EDGE	NICKEL PALLADIUM GOLD	DUAL	30 MHz	R-PDSO-G20	1	5.25 V	2.65 mm	7.5 mm	Not Qualified	TRUE	4.75 V	27 mA		e4	30	260	12.8 mm	LS
SN74H108N1	Texas Instruments	J-K FLIP-FLOP	COMMERCIAL	THROUGH-HOLE	14	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	2		TTL						IN-LINE	DIP14,.3			FF/Latches	2.54 mm	70 Cel		NEGATIVE EDGE		DUAL		R-PDIP-T14					Not Qualified
SN74AS112N3	Texas Instruments	J-K FLIP-FLOP	COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	2		TTL						IN-LINE	DIP16,.3			FF/Latches	2.54 mm	70 Cel		NEGATIVE EDGE		DUAL		R-PDIP-T16											NOT SPECIFIED	NOT SPECIFIED
SN74LS173ANSRG4	Texas Instruments	D FLIP-FLOP	COMMERCIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1	25000000 Hz	TTL	4	TR	5	5		SMALL OUTLINE	SOP16,.3	35 ns	24 Amp	FF/Latches	1.27 mm	70 Cel	3-STATE	POSITIVE EDGE		DUAL	30 MHz	R-PDSO-G16		5.25 V	2 mm	5.3 mm	Not Qualified	TRUE	4.75 V	24 mA			NOT SPECIFIED	NOT SPECIFIED	10.2 mm	LS
SN74ALS573AN	Texas Instruments	D LATCH	COMMERCIAL	THROUGH-HOLE	20	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1		TTL	8		5	5		IN-LINE	DIP20,.3			FF/Latches	2.54 mm	70 Cel	3-STATE			DUAL		R-PDIP-T20					Not Qualified
SN74LS73AN-10	Texas Instruments	J-K FLIP-FLOP	COMMERCIAL	THROUGH-HOLE	14	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	2		TTL	2		5		15 pF	IN-LINE		20 ns			2.54 mm	70 Cel		NEGATIVE EDGE		DUAL	30 MHz	R-PDIP-T14		5.25 V	5.08 mm	7.62 mm	Not Qualified	COMPLEMENTARY	4.75 V	6 mA	MASTER SLAVE OPERATION				19.305 mm	LS
SN74LS378DRE4	Texas Instruments	D FLIP-FLOP	COMMERCIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1	30000000 Hz	TTL	6	TR	5	5	15 pF	SMALL OUTLINE	SOP16,.25	27 ns	8 Amp	FF/Latches	1.27 mm	70 Cel		POSITIVE EDGE	NICKEL PALLADIUM GOLD	DUAL	30 MHz	R-PDSO-G16	1	5.25 V	1.75 mm	3.9 mm	Not Qualified	TRUE	4.75 V	22 mA	WITH HOLD MODE	e4	30	260	9.9 mm	LS
SN74F379D-00	Texas Instruments	D FLIP-FLOP	COMMERCIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1		TTL	4		5			SMALL OUTLINE		9.5 ns			1.27 mm	70 Cel		POSITIVE EDGE		DUAL	140 MHz	R-PDSO-G16		5.5 V	1.75 mm	3.9 mm	Not Qualified	COMPLEMENTARY	4.5 V		WITH HOLD MODE				9.9 mm	F/FAST
SN74H71J-00	Texas Instruments	J-K FLIP-FLOP	COMMERCIAL	THROUGH-HOLE	14	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	1		TTL	2		5		25 pF	IN-LINE		27 ns			2.54 mm	70 Cel		NEGATIVE EDGE		DUAL	25 MHz	R-GDIP-T14		5.25 V	5.08 mm	7.62 mm	Not Qualified	COMPLEMENTARY	4.75 V	30 mA	WITH MASTER SLAVE OPERATION				19.56 mm	TTL/H/L
SN74AS114N	Texas Instruments	J-K FLIP-FLOP	COMMERCIAL	THROUGH-HOLE	14	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	2		TTL						IN-LINE	DIP14,.3			FF/Latches	2.54 mm	70 Cel		NEGATIVE EDGE		DUAL		R-PDIP-T14					Not Qualified						NOT SPECIFIED	NOT SPECIFIED
SN74H72N-10	Texas Instruments	J-K FLIP-FLOP	COMMERCIAL	THROUGH-HOLE	14	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1		TTL	2		5		25 pF	IN-LINE		27 ns			2.54 mm	70 Cel		NEGATIVE EDGE		DUAL	25 MHz	R-PDIP-T14		5.25 V	5.08 mm	7.62 mm	Not Qualified	COMPLEMENTARY	4.75 V	25 mA	WITH MASTER SLAVE OPERATION				19.305 mm	TTL/H/L
SN74LS377FN	Texas Instruments	D FLIP-FLOP	COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1		TTL	8		5	5	15 pF	CHIP CARRIER	LDCC20,.4SQ	27 ns		FF/Latches	1.27 mm	70 Cel		POSITIVE EDGE		QUAD	30 MHz	S-PQCC-J20		5.25 V	4.57 mm	8.9662 mm	Not Qualified	TRUE	4.75 V	28 mA	WITH HOLD MODE		NOT SPECIFIED	NOT SPECIFIED	8.9662 mm	LS
SN74L71J-00	Texas Instruments	R-S FLIP-FLOP	COMMERCIAL	THROUGH-HOLE	14	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	1		TTL	2		5		50 pF	IN-LINE		150 ns			2.54 mm	70 Cel		NEGATIVE EDGE		DUAL	2.5 MHz	R-GDIP-T14		5.25 V	5.08 mm	7.62 mm	Not Qualified	COMPLEMENTARY	4.75 V	1.44 mA	WITH MASTER SLAVE OPERATION				19.56 mm	TTL/H/L
SN74273J4	Texas Instruments	D FLIP-FLOP	COMMERCIAL	THROUGH-HOLE	20	DIP	RECTANGULAR	CERAMIC	NO	8		TTL						IN-LINE	DIP20,.3			FF/Latches	2.54 mm	70 Cel		POSITIVE EDGE		DUAL		R-XDIP-T20
SN74LS107N	Texas Instruments	J-K FLIP-FLOP	COMMERCIAL	THROUGH-HOLE	14	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	2	30000000 Hz	TTL			5	5		IN-LINE	DIP14,.3		8 Amp	FF/Latches	2.54 mm	70 Cel		MASTER-SLAVE		DUAL		R-PDIP-T14					Not Qualified			8 mA
SN74AS580DW3	Texas Instruments	D LATCH	COMMERCIAL	GULL WING	20	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1		TTL	8		5	5		SMALL OUTLINE	SOP20,.4			FF/Latches	1.27 mm	70 Cel	3-STATE			DUAL		R-PDSO-G20
SN74LS279ANP1	Texas Instruments	R-S LATCH	COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	4		TTL	1		5	5		IN-LINE	DIP16,.3			FF/Latches	2.54 mm	70 Cel				DUAL		R-PDIP-T16					Not Qualified
SN74ALS533NP3	Texas Instruments	D LATCH	COMMERCIAL	THROUGH-HOLE	20	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1		TTL	8		5	5		IN-LINE	DIP20,.3			FF/Latches	2.54 mm	70 Cel	3-STATE			DUAL		R-PDIP-T20
SN74L74J4	Texas Instruments	D FLIP-FLOP	COMMERCIAL	THROUGH-HOLE	14	DIP	RECTANGULAR	CERAMIC	NO	2		TTL			5	5		IN-LINE	DIP14,.3			FF/Latches	2.54 mm	70 Cel		POSITIVE EDGE		DUAL		R-XDIP-T14
SN74S74DR	Texas Instruments	D FLIP-FLOP	COMMERCIAL	GULL WING	14	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	2	75000000 Hz	TTL	1	TR	5	5	15 pF	SMALL OUTLINE	SOP14,.25	9 ns	20 Amp	FF/Latches	1.27 mm	70 Cel		POSITIVE EDGE		DUAL	75 MHz	R-PDSO-G14		5.25 V	1.75 mm	3.9 mm	Not Qualified	COMPLEMENTARY	4.75 V	25 mA			NOT SPECIFIED	NOT SPECIFIED	8.65 mm	S
SN74ALS113ADR	Texas Instruments	J-K FLIP-FLOP	COMMERCIAL	GULL WING	14	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	2		TTL	2	TR	5	5	50 pF	SMALL OUTLINE	SOP14,.25	19 ns		FF/Latches	1.27 mm	70 Cel		NEGATIVE EDGE		DUAL	30 MHz	R-PDSO-G14		5.5 V	1.75 mm	3.9 mm	Not Qualified	COMPLEMENTARY	4.5 V	4.5 mA			NOT SPECIFIED	NOT SPECIFIED	8.65 mm	ALS
SN74LS374NP1	Texas Instruments	D FLIP-FLOP	COMMERCIAL	THROUGH-HOLE	20	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	8		TTL			5	5		IN-LINE	DIP20,.3			FF/Latches	2.54 mm	70 Cel	3-STATE	POSITIVE EDGE		DUAL		R-PDIP-T20					Not Qualified
SN74AS879NT1	Texas Instruments	D FLIP-FLOP	COMMERCIAL	THROUGH-HOLE	24	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	2		TTL						IN-LINE	DIP24,.3			FF/Latches	2.54 mm	70 Cel	3-STATE	POSITIVE EDGE		DUAL		R-PDIP-T24					Not Qualified
SN74LS259N1	Texas Instruments	D LATCH	COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1		TTL	8		5	5		IN-LINE	DIP16,.3		8 Amp	FF/Latches	2.54 mm	70 Cel				DUAL		R-PDIP-T16					Not Qualified			36 mA
SN74AS174FN	Texas Instruments	D FLIP-FLOP	COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY	YES	6		TTL						CHIP CARRIER	LDCC20,.4SQ			FF/Latches	1.27 mm	70 Cel		POSITIVE EDGE		QUAD		S-PQCC-J20					Not Qualified
SN74ALS564FN3	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		QUAD		S-PQCC-J20
SN74AS109ADE4	Texas Instruments	J-KBAR FLIP-FLOP	COMMERCIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	2		TTL	2	TUBE	5		50 pF	SMALL OUTLINE	SOP16,.25	9 ns		FF/Latches	1.27 mm	70 Cel		POSITIVE EDGE	NICKEL PALLADIUM GOLD	DUAL	105 MHz	R-PDSO-G16	1	5.5 V	1.75 mm	3.9 mm	Not Qualified	COMPLEMENTARY	4.5 V	17 mA		e4	30	260	9.9 mm	AS
SN74LS78ANP1	Texas Instruments	JBAR-KBAR FLIP-FLOP	COMMERCIAL	THROUGH-HOLE	14	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	2		TTL			5	5		IN-LINE	DIP14,.3			FF/Latches	2.54 mm	70 Cel		NEGATIVE EDGE		DUAL		R-PDIP-T14					Not Qualified						NOT SPECIFIED	NOT SPECIFIED
SN74AS109D3	Texas Instruments	J-K FLIP-FLOP	COMMERCIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	2		TTL						SMALL OUTLINE	SOP16,.25			FF/Latches	1.27 mm	70 Cel		POSITIVE EDGE		DUAL		R-PDSO-G16

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.