QCCJ Latches & Flip-Flops 442

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Part RoHS Manufacturer Logic IC Type Temperature Grade Terminal Form No. of Terminals Package Code Package Shape Total Dose (V) Package Body Material Schmitt Trigger Surface Mount No. of Functions Maximum Frequency At Nominal Supply Technology Screening Level No. of Inputs 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 Count Direction Output Characteristics Trigger Type Minimum Operating Temperature Terminal Finish Terminal Position No. of Ports 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

SN74HC109FN3

Texas Instruments

J-K FLIP-FLOP

INDUSTRIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

YES

2

CMOS

2/6

CHIP CARRIER

LDCC20,.4SQ

FF/Latches

1.27 mm

85 Cel

POSITIVE EDGE

-40 Cel

QUAD

S-PQCC-J20

NOT SPECIFIED

NOT SPECIFIED

SN74HC74FN3

Texas Instruments

D FLIP-FLOP

INDUSTRIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

YES

2

CMOS

2/6

CHIP CARRIER

LDCC20,.4SQ

FF/Latches

1.27 mm

85 Cel

POSITIVE EDGE

-40 Cel

QUAD

S-PQCC-J20

SN74LS109AFN3

Texas Instruments

J-K 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

SN74HC175FN3

Texas Instruments

D FLIP-FLOP

INDUSTRIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

YES

4

CMOS

2/6

CHIP CARRIER

LDCC20,.4SQ

FF/Latches

1.27 mm

85 Cel

POSITIVE EDGE

-40 Cel

QUAD

S-PQCC-J20

SN74S113FN

Texas Instruments

J-K FLIP-FLOP

COMMERCIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

YES

2

TTL

2

5

5

15 pF

CHIP CARRIER

LDCC20,.4SQ

7 ns

FF/Latches

1.27 mm

70 Cel

NEGATIVE EDGE

0 Cel

QUAD

80 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

S

SN74ALS109FN-00

Texas Instruments

J-KBAR FLIP-FLOP

COMMERCIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

YES

2

TTL

2

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

SN74LS608FN3

Texas Instruments

D FLIP-FLOP

COMMERCIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

YES

8

TTL

CHIP CARRIER

LDCC20,.4SQ

FF/Latches

1.27 mm

70 Cel

3-STATE

POSITIVE EDGE

0 Cel

QUAD

S-PQCC-J20

NOT SPECIFIED

NOT SPECIFIED

SN74LS379FN3

Texas Instruments

D FLIP-FLOP

COMMERCIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

YES

4

TTL

5

5

CHIP CARRIER

LDCC20,.4SQ

FF/Latches

1.27 mm

70 Cel

POSITIVE EDGE

0 Cel

QUAD

S-PQCC-J20

SN74S112FN

Texas Instruments

J-K FLIP-FLOP

COMMERCIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

YES

2

TTL

2

5

5

15 pF

CHIP CARRIER

LDCC20,.4SQ

7 ns

FF/Latches

1.27 mm

70 Cel

NEGATIVE EDGE

0 Cel

QUAD

80 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

S

SN74AS74FN3

Texas Instruments

D 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

SN74ALS175FN-00

Texas Instruments

D FLIP-FLOP

COMMERCIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

YES

1

TTL

4

5

50 pF

CHIP CARRIER

17 ns

1.27 mm

70 Cel

POSITIVE EDGE

0 Cel

QUAD

50 MHz

S-PQCC-J20

5.5 V

4.57 mm

8.9662 mm

Not Qualified

COMPLEMENTARY

4.5 V

14 mA

8.9662 mm

ALS

SN74AS576FN

Texas Instruments

D LATCH

COMMERCIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

YES

1

TTL

8

CHIP CARRIER

LDCC20,.4SQ

FF/Latches

1.27 mm

70 Cel

3-STATE

0 Cel

QUAD

S-PQCC-J20

Not Qualified

SN74LS109AFN

Texas Instruments

J-KBAR FLIP-FLOP

COMMERCIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

YES

2

TTL

2

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

SN74HC112FN

Texas Instruments

J-K FLIP-FLOP

INDUSTRIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

YES

2

CMOS

2/6

CHIP CARRIER

LDCC20,.4SQ

FF/Latches

1.27 mm

85 Cel

NEGATIVE EDGE

-40 Cel

QUAD

S-PQCC-J20

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

SN74ALS113AFN-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

SN74LS259BFN3

Texas Instruments

D LATCH

COMMERCIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

YES

1

TTL

8

5

5

CHIP CARRIER

LDCC20,.4SQ

8 Amp

FF/Latches

1.27 mm

70 Cel

0 Cel

QUAD

S-PQCC-J20

36 mA

SN74S374FN3

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

SN74ALS109AFN

Texas Instruments

J-K 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 Qualified

SN74LS273FN

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

0 Cel

QUAD

30 MHz

S-PQCC-J20

5.25 V

4.57 mm

8.9662 mm

Not Qualified

TRUE

4.75 V

27 mA

NOT SPECIFIED

NOT SPECIFIED

8.9662 mm

LS

SN74HC174FN3

Texas Instruments

D FLIP-FLOP

INDUSTRIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

YES

6

CMOS

2/6

CHIP CARRIER

LDCC20,.4SQ

FF/Latches

1.27 mm

85 Cel

POSITIVE EDGE

-40 Cel

QUAD

S-PQCC-J20

SN74HC259FN

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

-40 Cel

QUAD

S-PQCC-J20

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

SN74AS113FN3

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

NEGATIVE EDGE

0 Cel

QUAD

S-PQCC-J20

NOT SPECIFIED

NOT SPECIFIED

SN74AS112FN3

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

NEGATIVE EDGE

0 Cel

QUAD

S-PQCC-J20

NOT SPECIFIED

NOT SPECIFIED

SN74LS113AFN3

Texas Instruments

J-K FLIP-FLOP

COMMERCIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

YES

2

30000000 Hz

TTL

5

5

CHIP CARRIER

LDCC20,.4SQ

8 Amp

FF/Latches

1.27 mm

70 Cel

NEGATIVE EDGE

0 Cel

QUAD

S-PQCC-J20

6 mA

SN74HCT573FN3

Texas Instruments

D LATCH

INDUSTRIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

YES

1

CMOS

8

5

5

CHIP CARRIER

LDCC20,.4SQ

6 Amp

FF/Latches

1.27 mm

85 Cel

3-STATE

-40 Cel

QUAD

S-PQCC-J20

5962-01-365-1412

Texas Instruments

JBAR-KBAR FLIP-FLOP

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

0 Cel

QUAD

S-PQCC-J20

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

SN74AS574FN

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

Not Qualified

SN74HCT564FN3

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

SN74LS113AFN

Texas Instruments

J-K FLIP-FLOP

COMMERCIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

YES

2

30000000 Hz

TTL

2

5

5

15 pF

CHIP CARRIER

LDCC20,.4SQ

20 ns

8 Amp

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

NOT SPECIFIED

NOT SPECIFIED

8.9662 mm

LS

SN74ALS995FN

Texas Instruments

D LATCH

COMMERCIAL

J BEND

28

QCCJ

SQUARE

PLASTIC/EPOXY

YES

1

TTL

10

5

50 pF

CHIP CARRIER

LDCC28,.5SQ

22 ns

FF/Latches

1.27 mm

70 Cel

3-STATE

HIGH LEVEL

0 Cel

QUAD

S-PQCC-J28

5.5 V

4.57 mm

11.5062 mm

Not Qualified

INVERTED

4.5 V

85 mA

WITH READ-BACK

NOT SPECIFIED

NOT SPECIFIED

11.5062 mm

ALS

SN74ALS577FN

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

Not Qualified

SN74HC377FN3

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

NOT SPECIFIED

NOT SPECIFIED

SN74ALS873FN3

Texas Instruments

D LATCH

COMMERCIAL

J BEND

28

QCCJ

SQUARE

PLASTIC/EPOXY

YES

2

TTL

4

5

5

CHIP CARRIER

LDCC28,.5SQ

FF/Latches

1.27 mm

70 Cel

3-STATE

0 Cel

QUAD

S-PQCC-J28

SN74ALS873FN

Texas Instruments

D LATCH

COMMERCIAL

J BEND

28

QCCJ

SQUARE

PLASTIC/EPOXY

YES

2

TTL

4

5

5

CHIP CARRIER

LDCC28,.5SQ

FF/Latches

1.27 mm

70 Cel

3-STATE

0 Cel

QUAD

S-PQCC-J28

Not Qualified

SN74ALS273FN-00

Texas Instruments

D FLIP-FLOP

COMMERCIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

YES

1

TTL

8

5

50 pF

CHIP CARRIER

15 ns

1.27 mm

70 Cel

POSITIVE EDGE

0 Cel

QUAD

35 MHz

S-PQCC-J20

5.5 V

4.57 mm

8.9662 mm

Not Qualified

TRUE

4.5 V

29 mA

8.9662 mm

ALS

100331QIX

Onsemi

D FLIP-FLOP

INDUSTRIAL

J BEND

28

QCCJ

SQUARE

PLASTIC/EPOXY

YES

3

ECL

1

TR

CHIP CARRIER

LDCC28,.5SQ

1.8 ns

1.27 mm

85 Cel

POSITIVE EDGE

-40 Cel

QUAD

400 MHz

S-PQCC-J28

-5.7 V

4.57 mm

11.43 mm

COMPLEMENTARY

-4.2 V

WITH ADDITIONAL COMMON CLOCK; SET AND RESET INPUTS

11.43 mm

100K

100331QI

Onsemi

D FLIP-FLOP

INDUSTRIAL

J BEND

28

QCCJ

SQUARE

PLASTIC/EPOXY

YES

3

ECL

1

CHIP CARRIER

LDCC28,.5SQ

1.8 ns

1.27 mm

85 Cel

POSITIVE EDGE

-40 Cel

QUAD

400 MHz

S-PQCC-J28

-5.7 V

4.57 mm

11.43 mm

COMPLEMENTARY

-4.2 V

WITH ADDITIONAL COMMON CLOCK; SET AND RESET INPUTS

11.43 mm

100K

100331QC

Onsemi

D FLIP-FLOP

OTHER

J BEND

28

QCCJ

SQUARE

PLASTIC/EPOXY

YES

3

ECL

1

CHIP CARRIER

LDCC28,.5SQ

1.8 ns

1.27 mm

85 Cel

POSITIVE EDGE

0 Cel

QUAD

400 MHz

S-PQCC-J28

-5.7 V

4.57 mm

11.43 mm

COMPLEMENTARY

-4.2 V

WITH ADDITIONAL COMMON CLOCK; SET AND RESET INPUTS

11.43 mm

100K

100351QCX

Onsemi

D FLIP-FLOP

OTHER

J BEND

28

QCCJ

SQUARE

PLASTIC/EPOXY

YES

1

ECL

6

TR

CHIP CARRIER

LDCC28,.5SQ

1.9 ns

1.27 mm

85 Cel

POSITIVE EDGE

0 Cel

QUAD

375 MHz

S-PQCC-J28

4.57 mm

11.43 mm

COMPLEMENTARY

WITH DUAL CLOCK

11.43 mm

100K

100351QC

Onsemi

D FLIP-FLOP

OTHER

J BEND

28

QCCJ

SQUARE

PLASTIC/EPOXY

YES

1

ECL

6

CHIP CARRIER

LDCC28,.5SQ

1.9 ns

1.27 mm

85 Cel

POSITIVE EDGE

0 Cel

QUAD

375 MHz

S-PQCC-J28

4.57 mm

11.43 mm

COMPLEMENTARY

WITH DUAL CLOCK

11.43 mm

100K

100351QIX

Onsemi

D FLIP-FLOP

INDUSTRIAL

J BEND

28

QCCJ

SQUARE

PLASTIC/EPOXY

YES

1

ECL

6

TR

CHIP CARRIER

LDCC28,.5SQ

1.9 ns

1.27 mm

85 Cel

POSITIVE EDGE

-40 Cel

QUAD

375 MHz

S-PQCC-J28

4.57 mm

11.43 mm

COMPLEMENTARY

WITH DUAL CLOCK

11.43 mm

100K

100351QI

Onsemi

D FLIP-FLOP

INDUSTRIAL

J BEND

28

QCCJ

SQUARE

PLASTIC/EPOXY

YES

1

ECL

6

CHIP CARRIER

LDCC28,.5SQ

1.9 ns

1.27 mm

85 Cel

POSITIVE EDGE

-40 Cel

QUAD

375 MHz

S-PQCC-J28

4.57 mm

11.43 mm

COMPLEMENTARY

WITH DUAL CLOCK

11.43 mm

100K

100331QCX

Onsemi

D FLIP-FLOP

OTHER

J BEND

28

QCCJ

SQUARE

PLASTIC/EPOXY

YES

3

ECL

1

TR

CHIP CARRIER

LDCC28,.5SQ

1.8 ns

1.27 mm

85 Cel

POSITIVE EDGE

0 Cel

QUAD

400 MHz

S-PQCC-J28

-5.7 V

4.57 mm

11.43 mm

COMPLEMENTARY

-4.2 V

WITH ADDITIONAL COMMON CLOCK; SET AND RESET INPUTS

11.43 mm

100K

MC10H135FNG

Onsemi

JBAR-KBAR FLIP-FLOP

COMMERCIAL EXTENDED

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

YES

1

250000000 Hz

ECL

2

RAIL

CHIP CARRIER

LDCC20,.4SQ

2.6 ns

FF/Latches

1.27 mm

75 Cel

POSITIVE EDGE

0 Cel

TIN

QUAD

S-PQCC-J20

3

4.57 mm

8.965 mm

Not Qualified

COMPLEMENTARY

75 mA

e3

30

260

8.965 mm

10H

MC100E156FNR2

Onsemi

D LATCH

OTHER

J BEND

28

QCCJ

SQUARE

PLASTIC/EPOXY

YES

1

ECL

4

3

TR

5

-4.5

CHIP CARRIER

LDCC28,.5SQ

.8 ns

Multiplexer/Demultiplexers

1.27 mm

85 Cel

OPEN-EMITTER

LOW LEVEL

0 Cel

Tin/Lead (Sn80Pb20)

QUAD

700 MHz

S-PQCC-J28

1

5.7 V

4.57 mm

11.505 mm

Not Qualified

COMPLEMENTARY

4.2 V

103 mA

NECL MODE: VCC = 0V WITH VEE = -4.2V TO -5.7V

e0

11.505 mm

100E

MC100E452FNG

Onsemi

D FLIP-FLOP

OTHER

J BEND

28

QCCJ

SQUARE

PLASTIC/EPOXY

YES

1

1100000000 Hz

ECL

5

5

-4.5

CHIP CARRIER

LDCC28,.5SQ

.85 ns

Shift Registers

1.27 mm

85 Cel

RIGHT

OPEN-EMITTER

POSITIVE EDGE

0 Cel

MATTE TIN

QUAD

1100 MHz

S-PQCC-J28

3

5.7 V

4.57 mm

11.505 mm

Not Qualified

COMPLEMENTARY

4.2 V

NECL MODE: VCC = 0V WITH VEE = -4.2V TO -5.7V

e3

30

260

11.505 mm

100E

MC10E151FNG

Onsemi

D FLIP-FLOP

OTHER

J BEND

28

QCCJ

SQUARE

PLASTIC/EPOXY

YES

1

1100000000 Hz

ECL

6

5

-5.2

CHIP CARRIER

LDCC28,.5SQ

.9 ns

FF/Latches

1.27 mm

85 Cel

OPEN-EMITTER

POSITIVE EDGE

0 Cel

TIN

QUAD

900 MHz

S-PQCC-J28

3

5.7 V

4.57 mm

11.505 mm

Not Qualified

COMPLEMENTARY

4.2 V

78 mA

NECL MODE: VCC = 0V WITH VEE = -4.2V TO -5.7V

e3

30

260

11.505 mm

10E

MC10H176FNG

Onsemi

D FLIP-FLOP

COMMERCIAL EXTENDED

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

YES

1

250000000 Hz

ECL

6

RAIL

CHIP CARRIER

LDCC20,.4SQ

2.2 ns

FF/Latches

1.27 mm

75 Cel

OPEN-EMITTER

POSITIVE EDGE

0 Cel

TIN

QUAD

250 MHz

S-PQCC-J20

4.57 mm

8.965 mm

Not Qualified

TRUE

123 mA

e3

260

8.965 mm

10H

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.