THROUGH-HOLE Latches & Flip-Flops 159

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Part	Manufacturer	Logic IC Type	Temperature Grade	Terminal Form	No. of Terminals	Package Code	Package Shape	Package Body Material	Schmitt Trigger	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	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
SN74HC174NE4	Texas Instruments	D FLIP-FLOP	INDUSTRIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY		NO	1	25000000 Hz	CMOS		6	TUBE	5	2/6	50 pF	IN-LINE	DIP16,.3	200 ns	5.2 Amp	FF/Latches	2.54 mm	85 Cel		POSITIVE EDGE	-40 Cel	NICKEL PALLADIUM GOLD	DUAL	29 MHz	R-PDIP-T16	6 V	5.08 mm	6.35 mm	Not Qualified	TRUE	2 V	.08 mA		e4			19.3 mm	HC
SN74HC259NE4	Texas Instruments	D LATCH	INDUSTRIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	NO	1		CMOS		8	TUBE	5	2/6	50 pF	IN-LINE	DIP16,.3	165 ns	5.2 Amp	FF/Latches	2.54 mm	85 Cel		LOW LEVEL	-40 Cel	NICKEL PALLADIUM GOLD	DUAL		R-PDIP-T16	6 V	5.08 mm	6.35 mm	Not Qualified	TRUE	2 V	.08 mA	1:8 DMUX FOLLOWED BY LATCH	e4			19.3 mm	HC
SN74HC273NE4	Texas Instruments	D FLIP-FLOP	INDUSTRIAL	THROUGH-HOLE	20	DIP	RECTANGULAR	PLASTIC/EPOXY		NO	1	21000000 Hz	CMOS		8	TUBE	5	2/6	50 pF	IN-LINE	DIP20,.3	200 ns	5.2 Amp	FF/Latches	2.54 mm	85 Cel		POSITIVE EDGE	-40 Cel	Nickel/Palladium/Gold (Ni/Pd/Au)	DUAL	25 MHz	R-PDIP-T20	6 V	5.08 mm	7.62 mm	Not Qualified	TRUE	2 V	.08 mA	DUMMY VAL	e4	NOT SPECIFIED	NOT SPECIFIED	25.4 mm	HC/UH
SN74LS377NE4	Texas Instruments	D FLIP-FLOP	COMMERCIAL	THROUGH-HOLE	20	DIP	RECTANGULAR	PLASTIC/EPOXY		NO	1	30000000 Hz	TTL		8	TUBE	5	5	15 pF	IN-LINE	DIP20,.3	27 ns	8 Amp	FF/Latches	2.54 mm	70 Cel		POSITIVE EDGE	0 Cel	NICKEL PALLADIUM GOLD	DUAL	30 MHz	R-PDIP-T20	5.25 V	5.08 mm	6.35 mm	Not Qualified	TRUE	4.75 V	28 mA	WITH HOLD MODE	e4			24.33 mm	LS
CD74HCT175EE4	Texas Instruments	D FLIP-FLOP	MILITARY	THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY		NO	1	16000000 Hz	CMOS		4	TUBE	5	5	50 pF	IN-LINE	DIP16,.3	50 ns	4 Amp	FF/Latches	2.54 mm	125 Cel		POSITIVE EDGE	-55 Cel	NICKEL PALLADIUM GOLD	DUAL	16 MHz	R-PDIP-T16	5.5 V	5.08 mm	7.62 mm	Not Qualified	COMPLEMENTARY	4.5 V	.08 mA		e4			19.305 mm	HCT
CD74HCT273EE4	Texas Instruments	D FLIP-FLOP	MILITARY	THROUGH-HOLE	20	DIP	RECTANGULAR	PLASTIC/EPOXY		NO	1	16000000 Hz	CMOS		8	TUBE	5	5	50 pF	IN-LINE	DIP20,.3	45 ns	4 Amp	FF/Latches	2.54 mm	125 Cel		POSITIVE EDGE	-55 Cel	Nickel/Palladium/Gold (Ni/Pd/Au)	DUAL	16 MHz	R-PDIP-T20	5.5 V	5.08 mm	7.62 mm	Not Qualified	TRUE	4.5 V	.16 mA		e4	NOT SPECIFIED	NOT SPECIFIED	25.4 mm	HCT
CD4043BEE4	Texas Instruments	R-S LATCH	MILITARY	THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	NO	1		CMOS		4	TUBE	5	5/15	50 pF	IN-LINE	DIP16,.3	300 ns	2.4 Amp	FF/Latches	2.54 mm	125 Cel	3-STATE	HIGH LEVEL	-55 Cel	Nickel/Palladium/Gold (Ni/Pd/Au)	DUAL		R-PDIP-T16	18 V	5.08 mm	7.62 mm	Not Qualified	TRUE	3 V	.06 mA		e4	NOT SPECIFIED	NOT SPECIFIED	19.305 mm	4000/14000/40000
CD4044BEE4	Texas Instruments	R-S LATCH	MILITARY	THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	NO	1		CMOS		4	TUBE	5	5/15	50 pF	IN-LINE	DIP16,.3	300 ns	2.4 Amp	FF/Latches	2.54 mm	125 Cel	3-STATE	LOW LEVEL	-55 Cel	Nickel/Palladium/Gold (Ni/Pd/Au)	DUAL		R-PDIP-T16	18 V	5.08 mm	7.62 mm	Not Qualified	TRUE	3 V	.06 mA		e4	NOT SPECIFIED	NOT SPECIFIED	19.305 mm	4000/14000/40000
CD74HC74EE4	Texas Instruments	D FLIP-FLOP	MILITARY	THROUGH-HOLE	14	DIP	RECTANGULAR	PLASTIC/EPOXY		NO	2	20000000 Hz	CMOS		1	TUBE	4.5	2/6	50 pF	IN-LINE	DIP14,.3	265 ns	5.2 Amp	FF/Latches	2.54 mm	125 Cel		POSITIVE EDGE	-55 Cel	Nickel/Palladium/Gold (Ni/Pd/Au)	DUAL	23 MHz	R-PDIP-T14	6 V	5.08 mm	7.62 mm	Not Qualified	COMPLEMENTARY	2 V	.04 mA		e4	NOT SPECIFIED	NOT SPECIFIED	19.305 mm	HC/UH
CD40174BEE4	Texas Instruments	D FLIP-FLOP	MILITARY	THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY		NO	1	3500000 Hz	CMOS		6	TUBE	5	5/15	50 pF	IN-LINE	DIP16,.3	300 ns	6.8 Amp	FF/Latches	2.54 mm	125 Cel		POSITIVE EDGE	-55 Cel	NICKEL PALLADIUM GOLD	DUAL	8 MHz	R-PDIP-T16	18 V	5.08 mm	7.62 mm	Not Qualified	TRUE	3 V	.6 mA		e4			19.305 mm	4000/14000/40000
CD40175BEE4	Texas Instruments	D FLIP-FLOP	MILITARY	THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY		NO	1	2000000 Hz	CMOS		4	TUBE	5	5/15	50 pF	IN-LINE	DIP16,.3	400 ns	6.8 Amp	FF/Latches	2.54 mm	125 Cel		POSITIVE EDGE	-55 Cel	NICKEL PALLADIUM GOLD	DUAL	6.5 MHz	R-PDIP-T16	18 V	5.08 mm	7.62 mm	Not Qualified	COMPLEMENTARY	3 V	.6 mA		e4			19.305 mm	4000/14000/40000
CD74HCT259EE4	Texas Instruments	D LATCH	MILITARY	THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	NO	1		CMOS		8	TUBE	5	5	50 pF	IN-LINE	DIP16,.3	57 ns	4 Amp	FF/Latches	2.54 mm	125 Cel		LOW LEVEL	-55 Cel	Nickel/Palladium/Gold (Ni/Pd/Au)	DUAL		R-PDIP-T16	5.5 V	5.08 mm	7.62 mm	Not Qualified	TRUE	4.5 V	.08 mA	1:8 DMUX FOLLOWED BY LATCH	e4	NOT APPLICABLE	NOT APPLICABLE	19.305 mm	HCT
SN74HC175NE4	Texas Instruments	D FLIP-FLOP	INDUSTRIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY		NO	1	25000000 Hz	CMOS		4	TUBE	5	2/6	50 pF	IN-LINE	DIP16,.3	190 ns	5.2 Amp	FF/Latches	2.54 mm	85 Cel		POSITIVE EDGE	-40 Cel	NICKEL PALLADIUM GOLD	DUAL	29 MHz	R-PDIP-T16	6 V	5.08 mm	6.35 mm	Not Qualified	COMPLEMENTARY	2 V	.08 mA		e4			19.3 mm	HC
74ACT11074NE4	Texas Instruments	D FLIP-FLOP	INDUSTRIAL	THROUGH-HOLE	14	DIP	RECTANGULAR	PLASTIC/EPOXY		NO	2	100000000 Hz	CMOS		1	TUBE	5	5	50 pF	IN-LINE	DIP14,.3	9.4 ns	24 Amp	FF/Latches	2.54 mm	85 Cel		POSITIVE EDGE	-40 Cel	NICKEL PALLADIUM GOLD	DUAL	100 MHz	R-PDIP-T14	5.5 V	5.08 mm	7.62 mm	Not Qualified	COMPLEMENTARY	4.5 V			e4			19.305 mm	ACT
74HC74N-Q100U	NXP Semiconductors	D FLIP-FLOP	AUTOMOTIVE	THROUGH-HOLE	14	DIP	RECTANGULAR	PLASTIC/EPOXY		NO	2	20000000 Hz	CMOS	AEC-Q100	1	BULK	5	2/6	50 pF	IN-LINE	DIP14,.3	265 ns	4 Amp	FF/Latches	2.54 mm	125 Cel		POSITIVE EDGE	-40 Cel		DUAL	24 MHz	R-PDIP-T14	6 V	4.2 mm	7.62 mm	Not Qualified	COMPLEMENTARY	2 V						19.025 mm	HC/UH

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.