Logic - Flip Flops

Category Introduction

Flip-flops are elementary digital memory devices capable of storing a single logic state or "bit" of information. They have at least two inputs; one or more to communicate the data to be stored and another to indicate the point in time to store it. Different flip-flop types such as D (delay), SR (Set-Reset), and JK respond differently to the signals presented to their inputs and can be used to implement different logical functions. They differ from latches in that they are edge sensitive devices, whose retained logic state changes only at the moment a valid clock signal is received.

Product List

704 Items

Mfr Part #	Quantity Available	UnitPrice	Series	Packaging	Product Status	Function	Type	Output Type	Number of Elements	Number of Bits per Element	Clock Frequency	Max Propagation Delay @ V, Max CL	Trigger Type	Current - Output High, Low	Voltage - Supply	Current - Quiescent (Iq)	Input Capacitance	Operating Temperature	Mounting Type	Supplier Device Package	Package / Case
MC14013BDR2G IC FF D-TYPE DUAL 1BIT 14SOIC onsemi	195	$0.52	4000B	Tape & Reel (TR)	Active	Set(Preset) and Reset	D-Type	Complementary	2	1	14 MHz	100ns @ 15V, 50pF	Positive Edge	8.8mA, 8.8mA	3V ~ 18V	4 µA	5 pF	-55°C ~ 125°C (TA)	Surface Mount	14-SOIC	14-SOIC (0.154", 3.90mm Width)
74LVC1G74DC,125 IC FF D-TYPE SNGL 1BIT 8VSSOP Nexperia USA Inc.	1,137	$0.60	74LVC	Tape & Reel (TR)	Active	Set(Preset) and Reset	D-Type	Complementary	1	1	200 MHz	4.1ns @ 5V, 50pF	Positive Edge	32mA, 32mA	1.65V ~ 5.5V	40 µA	4 pF	-40°C ~ 125°C (TA)	Surface Mount	8-VSSOP	8-VFSOP (0.091", 2.30mm Width)
MC100EP51DTG IC FF D-TYPE SNGL 1BIT 8TSSOP onsemi	76	$9.07	100EP	Tube	Active	Reset	D-Type	Complementary	1	1	3 GHz	-	Positive, Negative	-	-3V ~ -5.5V	45 mA	-	-40°C ~ 85°C (TA)	Surface Mount	8-TSSOP	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
NB7V52MMNHTBG IC FF D-TYPE SNGL 1BIT 16QFN onsemi	2	$22.06		Tape & Reel (TR)	Active	Reset	D-Type	Complementary	1	1	12 GHz	0.35ns @ 2.625V, 1GHz	Negative Edge	-	1.71V ~ 2.625V	110 mA	-	-40°C ~ 85°C (TA)	Surface Mount	16-QFN (3x3)	16-VFQFN Exposed Pad
MC100EP29DTG IC FF D-TYPE DUAL 1BIT 20TSSOP onsemi	43	$23.27	100EP	Tube	Active	Set(Preset) and Reset	D-Type	Complementary	2	1	3 GHz	-	Positive, Negative	-	-3V ~ -5.5V	57 mA	-	-40°C ~ 85°C (TA)	Surface Mount	20-TSSOP	20-TSSOP (0.173", 4.40mm Width)
74LVC1G80GW,165 IC FF D-TYPE SNGL 1BIT 5TSSOP Nexperia USA Inc.	569	$0.00	74LVC	Tape & Reel (TR)	Obsolete	Standard	D-Type	Inverted	1	1	400 MHz	4.5ns @ 5V, 50pF	Positive Edge	32mA, 32mA	1.65V ~ 5.5V	200 µA	5 pF	-40°C ~ 125°C (TA)	Surface Mount	5-TSSOP	5-TSSOP, SC-70-5, SOT-353
74LVC1G80GW,125 IC FF D-TYPE SNGL 1BIT 5TSSOP Nexperia USA Inc.	1,505	$0.41	74LVC	Tape & Reel (TR)	Active	Standard	D-Type	Inverted	1	1	400 MHz	4.5ns @ 5V, 50pF	Positive Edge	32mA, 32mA	1.65V ~ 5.5V	200 µA	5 pF	-40°C ~ 125°C (TA)	Surface Mount	5-TSSOP	5-TSSOP, SC-70-5, SOT-353
74LVC1G79GV,125 IC FF D-TYPE SNGL 1BIT SC74A Nexperia USA Inc.	1,544	$0.38	74LVC	Tape & Reel (TR)	Active	Standard	D-Type	Non-Inverted	1	1	500 MHz	3.8ns @ 5V, 50pF	Positive Edge	32mA, 32mA	1.65V ~ 5.5V	500 µA	5 pF	-40°C ~ 125°C (TA)	Surface Mount	SC-74A	SC-74A, SOT-753
74AUP1G374GW,125 IC FF D-TYPE SNGL 1BIT 6TSSOP Nexperia USA Inc.	1,915	$0.38	74AUP	Tape & Reel (TR)	Active	Standard	D-Type	Tri-State, Non-Inverted	1	1	309 MHz	5.8ns @ 3.3V, 30pF	Positive Edge	4mA, 4mA	0.8V ~ 3.6V	500 nA	0.8 pF	-40°C ~ 125°C (TA)	Surface Mount	6-TSSOP	6-TSSOP, SC-88, SOT-363
SN74HCS72PWR IC FF D-TYPE DUAL 2BIT 14TSSOP Texas Instruments	2,243	$0.37	74HCS	Tape & Reel (TR)	Active	Set(Preset) and Reset	D-Type	Complementary	2	2	74 MHz	15ns @ 6V, 50pF	Negative Edge	7.8mA, 7.8mA	2V ~ 6V	2 µA	5 pF	-40°C ~ 125°C (TA)	Surface Mount	14-TSSOP	14-TSSOP (0.173", 4.40mm Width)
SN74LVC1G374DCKR IC FF D-TYPE SNGL 1BIT SC70-6 Texas Instruments	2,221	$0.38	74LVC	Tape & Reel (TR)	Active	Standard	D-Type	Tri-State	1	1	175 MHz	4ns @ 5V, 50pF	Positive Edge	32mA, 32mA	1.65V ~ 5.5V	10 µA	3 pF	-40°C ~ 125°C (TA)	Surface Mount	SC-70-6	6-TSSOP, SC-88, SOT-363
74HC74D,653 IC FF D-TYPE DUAL 1BIT 14SO Nexperia USA Inc.	1,976	$0.43	74HC	Tape & Reel (TR)	Active	Set(Preset) and Reset	D-Type	Complementary	2	1	82 MHz	37ns @ 6V, 50pF	Positive Edge	5.2mA, 5.2mA	2V ~ 6V	40 µA	3.5 pF	-40°C ~ 125°C (TA)	Surface Mount	14-SO	14-SOIC (0.154", 3.90mm Width)
74HC74D,652 IC FF D-TYPE DUAL 1BIT 14SO Nexperia USA Inc.	189	$0.00	74HC	Bulk	Obsolete	Set(Preset) and Reset	D-Type	Complementary	2	1	82 MHz	37ns @ 6V, 50pF	Positive Edge	5.2mA, 5.2mA	2V ~ 6V	40 µA	3.5 pF	-40°C ~ 125°C (TA)	Surface Mount	14-SO	14-SOIC (0.154", 3.90mm Width)
74LVC1G74GT-Q100X IC FF D-TYPE SNGL 1BIT 8XSON Nexperia USA Inc.	96	$0.52	Automotive, AEC-Q100, 74LVC	Tape & Reel (TR)	Active	Set(Preset) and Reset	D-Type	Complementary	1	1	200 MHz	4.1ns @ 5V, 50pF	Positive Edge	32mA, 32mA	1.65V ~ 5.5V	4 µA	4 pF	-40°C ~ 125°C (TA)	Surface Mount	8-XSON, SOT833-1 (1.95x1)	8-XFDFN
SN74AUP1G79DCKR IC FF D-TYPE SNGL 1BIT SC70-5 Texas Instruments	492	$0.48	74AUP	Tape & Reel (TR)	Active	Standard	D-Type	Non-Inverted	1	1	266 MHz	5.8ns @ 3.3V, 30pF	Positive Edge	4mA, 4mA	0.8V ~ 3.6V	500 nA	1.5 pF	-40°C ~ 85°C (TA)	Surface Mount	SC-70-5	5-TSSOP, SC-70-5, SOT-353
SN74AHC74DR IC FF D-TYPE DUAL 1BIT 14SOIC Texas Instruments	252	$0.49	74AHC	Tape & Reel (TR)	Active	Set(Preset) and Reset	D-Type	Complementary	2	1	115 MHz	6.1ns @ 5V, 50pF	Positive Edge	8mA, 8mA	2V ~ 5.5V	2 µA	2 pF	-40°C ~ 125°C (TA)	Surface Mount	14-SOIC	14-SOIC (0.154", 3.90mm Width)
SN74AHCT74DR IC FF D-TYPE DUAL 1BIT 14SOIC Texas Instruments	348	$0.49	74AHCT	Tape & Reel (TR)	Active	Set(Preset) and Reset	D-Type	Complementary	2	1	140 MHz	8.8ns @ 5V, 50pF	Positive Edge	8mA, 8mA	4.5V ~ 5.5V	2 µA	2 pF	-40°C ~ 125°C (TA)	Surface Mount	14-SOIC	14-SOIC (0.154", 3.90mm Width)
SN74LVC1G79QDCKRQ1 IC FF D-TYPE SNGL 1BIT SC70-5 Texas Instruments	1,626	$0.51	Automotive, AEC-Q100, 74LVC	Tape & Reel (TR)	Active	Standard	D-Type	Non-Inverted	1	1	160 MHz	5ns @ 5V, 50pF	Positive Edge	32mA, 32mA	1.65V ~ 5.5V	10 µA	4 pF	-40°C ~ 125°C (TA)	Surface Mount	SC-70-5	5-TSSOP, SC-70-5, SOT-353
SN74LVC1G80QDCKRQ1 IC FF D-TYPE SNGL 1BIT SC70-5 Texas Instruments	1,218	$0.51	Automotive, AEC-Q100, 74LVC	Tape & Reel (TR)	Active	Standard	D-Type	Inverted	1	1	160 MHz	5.5ns @ 5V, 50pF	Positive Edge	32mA, 32mA	1.65V ~ 5.5V	10 µA	3.5 pF	-40°C ~ 125°C (TA)	Surface Mount	SC-70-5	5-TSSOP, SC-70-5, SOT-353
74LVC74AD,118 IC FF D-TYPE DUAL 1BIT 14SO Nexperia USA Inc.	1,881	$0.41	74LVC	Tape & Reel (TR)	Active	Set(Preset) and Reset	D-Type	Complementary	2	1	250 MHz	5.2ns @ 3.3V, 50pF	Positive Edge	24mA, 24mA	1.2V ~ 3.6V	10 µA	4 pF	-40°C ~ 125°C (TA)	Surface Mount	14-SO	14-SOIC (0.154", 3.90mm Width)

About Flip Flops ICs

What are Flip Flops ICs?

Flip Flops ICs

Flip Flops ICs are fundamental building blocks in digital electronics, primarily used for data storage and synchronization. They are bistable devices, meaning they have two stable states, which makes them ideal for storing binary information. Flip Flops operate by changing states in response to input signals, typically clock pulses, and are capable of maintaining a binary state indefinitely until an input signal causes a change. This characteristic allows them to function as memory elements in sequential logic circuits, where they store bits of data and help in timing and control applications.

Types of Flip Flops ICs

SR (Set-Reset) Flip Flop

The SR Flip Flop is the simplest type, consisting of two inputs: Set (S) and Reset (R). It is used to store a single bit of data, where the Set input stores a logic '1' and the Reset input stores a logic '0'. However, it has a forbidden state when both inputs are high, which can lead to unpredictable behavior.

JK Flip Flop

The JK Flip Flop is an improvement over the SR Flip Flop, eliminating the forbidden state. It has two inputs, J and K, and toggles its output when both inputs are high. This makes it versatile for use in counters and shift registers.

D (Data or Delay) Flip Flop

The D Flip Flop is designed to eliminate the indeterminate state of the SR Flip Flop by having a single data input. It captures the value of the data input at a specific portion of the clock cycle, making it ideal for data storage and transfer applications.

T (Toggle) Flip Flop

The T Flip Flop is a single-input version of the JK Flip Flop, which toggles its state with each clock pulse when the input is high. It is commonly used in binary counters and frequency dividers.

How to choose Flip Flops ICs?

When selecting Flip Flops ICs, consider the following parameters:

Type of Flip Flop: Choose based on the specific application requirements, such as data storage, counting, or toggling.
Clock Frequency: Ensure the Flip Flop can operate at the desired clock speed for your application.
Power Consumption: Evaluate the power requirements, especially for battery-operated devices.
Package Type: Consider the physical size and mounting type (e.g., through-hole or surface-mount) suitable for your design.
Temperature Range: Ensure the IC can operate within the environmental conditions of your application.

To evaluate product quality and reliability, review supplier datasheets, customer reviews, and industry certifications. Consider environmental factors such as humidity and temperature, and ensure proper installation with adequate heat dissipation and protection from electrostatic discharge.

Applications of Flip Flops ICs

Consumer Electronics

In consumer electronics, Flip Flops ICs are used in devices such as digital watches, calculators, and remote controls. They help in data storage, timing, and control functions, ensuring accurate operation and user interface management.

Telecommunications

Flip Flops ICs play a crucial role in telecommunications equipment, including routers and switches. They are used for data buffering, signal synchronization, and error detection, ensuring reliable data transmission across networks.

Computing

In computing, Flip Flops are integral to memory devices, registers, and microprocessors. They store and manage data, contributing to the efficient execution of instructions and overall system performance.

Industrial Automation

In industrial automation, Flip Flops ICs are used in control systems and robotics. They manage sequential operations, timing, and control logic, enhancing the precision and reliability of automated processes.

Automotive

In the automotive industry, Flip Flops ICs are employed in control units and infotainment systems. They assist in data storage, signal processing, and control functions, contributing to vehicle safety and user experience.