SQUARE Latches & Flip-Flops 1,754

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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

SN54ALS113AFH

Texas Instruments

J-K FLIP-FLOP

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC

YES

2

TTL

5

5

CHIP CARRIER

LCC20,.35SQ

FF/Latches

1.27 mm

125 Cel

NEGATIVE EDGE

-55 Cel

QUAD

S-XQCC-N20

Not Qualified

SN54AS844FH

Texas Instruments

D LATCH

MILITARY

NO LEAD

28

QCCN

SQUARE

CERAMIC

YES

1

TTL

9

CHIP CARRIER

LCC28,.45SQ

FF/Latches

1.27 mm

125 Cel

3-STATE

-55 Cel

QUAD

S-XQCC-N28

Not Qualified

SN54ALS174FK

Texas Instruments

D FLIP-FLOP

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

1

TTL

6

5

5

50 pF

CHIP CARRIER

LCC20,.35SQ

24 ns

FF/Latches

1.27 mm

125 Cel

POSITIVE EDGE

-55 Cel

QUAD

40 MHz

S-CQCC-N20

5.5 V

2.03 mm

8.89 mm

Not Qualified

TRUE

4.5 V

19 mA

NOT SPECIFIED

NOT SPECIFIED

8.89 mm

ALS

SNJ54ALS374FH

Texas Instruments

D FLIP-FLOP

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC

YES

8

TTL

38535Q/M;38534H;883B

5

5

CHIP CARRIER

LCC20,.35SQ

FF/Latches

1.27 mm

125 Cel

3-STATE

POSITIVE EDGE

-55 Cel

QUAD

S-XQCC-N20

Not Qualified

SNJ54ALS259FK

Texas Instruments

D LATCH

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

1

TTL

MIL-PRF-38535

1

5

5

50 pF

CHIP CARRIER

LCC20,.35SQ

16 ns

4 Amp

FF/Latches

1.27 mm

125 Cel

LOW LEVEL

-55 Cel

QUAD

S-CQCC-N20

5.5 V

2.03 mm

8.89 mm

Not Qualified

TRUE

4.5 V

22 mA

1:8 DMUX FOLLOWED BY LATCH; RESET ACTIVE ONLY WHEN LATCH ENABLE IS HIGH

NOT SPECIFIED

NOT SPECIFIED

8.89 mm

ALS

54AC11109FK

Texas Instruments

J-KBAR FLIP-FLOP

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

2

100000000 Hz

CMOS

2

5

3.3/5

50 pF

CHIP CARRIER

LCC20,.35SQ

8.6 ns

24 Amp

FF/Latches

1.27 mm

125 Cel

POSITIVE EDGE

-55 Cel

QUAD

100 MHz

S-CQCC-N20

5.5 V

2.03 mm

8.89 mm

Not Qualified

COMPLEMENTARY

3 V

NOT SPECIFIED

NOT SPECIFIED

8.89 mm

AC

SN54HC379FK-00

Texas Instruments

D FLIP-FLOP

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

1

CMOS

4

5

50 pF

CHIP CARRIER

48 ns

1.27 mm

125 Cel

POSITIVE EDGE

-55 Cel

QUAD

16 MHz

S-CQCC-N20

6 V

2.03 mm

8.89 mm

Not Qualified

COMPLEMENTARY

2 V

WITH HOLD MODE

8.89 mm

HC/UH

SN54LS175FK

Texas Instruments

D FLIP-FLOP

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

1

TTL

4

5

5

15 pF

CHIP CARRIER

LCC20,.35SQ

25 ns

FF/Latches

1.27 mm

125 Cel

POSITIVE EDGE

-55 Cel

QUAD

30 MHz

S-CQCC-N20

5.5 V

2.03 mm

8.89 mm

Not Qualified

COMPLEMENTARY

4.5 V

18 mA

NOT SPECIFIED

NOT SPECIFIED

8.89 mm

LS

SN54ALS846FH

Texas Instruments

D LATCH

MILITARY

NO LEAD

28

QCCN

SQUARE

CERAMIC

YES

1

TTL

8

CHIP CARRIER

LCC28,.45SQ

12 Amp

FF/Latches

1.27 mm

125 Cel

3-STATE

-55 Cel

QUAD

S-XQCC-N28

Not Qualified

SNJ54AS823FH

Texas Instruments

D FLIP-FLOP

MILITARY

NO LEAD

28

QCCN

SQUARE

CERAMIC

YES

9

TTL

38535Q/M;38534H;883B

CHIP CARRIER

LCC28,.45SQ

FF/Latches

1.27 mm

125 Cel

3-STATE

POSITIVE EDGE

-55 Cel

QUAD

S-XQCC-N28

Not Qualified

SNJ54AS113FH-00

Texas Instruments

J-K FLIP-FLOP

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

2

TTL

2

5

CHIP CARRIER

1.27 mm

125 Cel

NEGATIVE EDGE

-55 Cel

QUAD

S-CQCC-N20

5.5 V

2.54 mm

8.89 mm

Not Qualified

COMPLEMENTARY

4.5 V

8.89 mm

AS

SN54LS113AFK

Texas Instruments

J-K FLIP-FLOP

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

2

30000000 Hz

TTL

2

5

5

15 pF

CHIP CARRIER

LCC20,.35SQ

20 ns

4 Amp

FF/Latches

1.27 mm

125 Cel

NEGATIVE EDGE

-55 Cel

QUAD

45 MHz

S-CQCC-N20

5.5 V

2.03 mm

8.89 mm

Not Qualified

COMPLEMENTARY

4.5 V

6 mA

NOT SPECIFIED

NOT SPECIFIED

8.89 mm

LS

SNJ54LVC74AFK

Texas Instruments

D FLIP-FLOP

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

2

100000000 Hz

CMOS

MIL-PRF-38535

1

TUBE

2.7

3.3

50 pF

CHIP CARRIER

LCC20,.35SQ

6 ns

24 Amp

FF/Latches

1.27 mm

125 Cel

POSITIVE EDGE

-55 Cel

Tin/Lead (Sn/Pb)

QUAD

100 MHz

S-CQCC-N20

3.6 V

2.03 mm

8.89 mm

Not Qualified

COMPLEMENTARY

2 V

.01 mA

e0

NOT SPECIFIED

NOT SPECIFIED

8.89 mm

LVC/LCX/Z

M38510/37102B2X

Texas Instruments

J-KBAR FLIP-FLOP

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

2

TTL

MIL-M-38510 Class B

2

5

CHIP CARRIER

21 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

Qualified

COMPLEMENTARY

4.5 V

NOT APPLICABLE

NOT APPLICABLE

8.89 mm

ALS

54AC11174FK

Texas Instruments

D FLIP-FLOP

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

1

CMOS

6

5

3.3/5

50 pF

CHIP CARRIER

LCC20,.35SQ

24 Amp

FF/Latches

1.27 mm

125 Cel

POSITIVE EDGE

-55 Cel

QUAD

S-CQCC-N20

5.5 V

2.03 mm

8.89 mm

Not Qualified

TRUE

3 V

NOT SPECIFIED

NOT SPECIFIED

8.89 mm

AC

SNJ54F174FK-00

Texas Instruments

D FLIP-FLOP

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

1

TTL

6

5

CHIP CARRIER

10 ns

1.27 mm

125 Cel

POSITIVE EDGE

-55 Cel

QUAD

140 MHz

S-CQCC-N20

5.5 V

2.03 mm

8.89 mm

Not Qualified

TRUE

4.5 V

8.89 mm

F/FAST

SNC54AS841FH

Texas Instruments

D LATCH

MILITARY

NO LEAD

28

QCCN

SQUARE

CERAMIC

YES

1

TTL

MIL-STD-883 Class B (Modified)

10

5

5

CHIP CARRIER

LCC28,.45SQ

FF/Latches

1.27 mm

125 Cel

3-STATE

-55 Cel

QUAD

S-XQCC-N28

Not Qualified

54AC11377FK

Texas Instruments

D FLIP-FLOP

MILITARY

NO LEAD

28

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

1

60000000 Hz

CMOS

8

5

3.3/5

50 pF

CHIP CARRIER

LCC28,.45SQ

14 ns

24 Amp

FF/Latches

1.27 mm

125 Cel

POSITIVE EDGE

-55 Cel

QUAD

100 MHz

S-CQCC-N28

5.5 V

2.03 mm

11.43 mm

Not Qualified

TRUE

3 V

WITH HOLD MODE

NOT SPECIFIED

NOT SPECIFIED

11.43 mm

AC

SNJ54ALS74AFH

Texas Instruments

D FLIP-FLOP

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC

YES

2

30000000 Hz

TTL

38535Q/M;38534H;883B

5

5

CHIP CARRIER

LCC20,.35SQ

4 Amp

FF/Latches

1.27 mm

125 Cel

POSITIVE EDGE

-55 Cel

QUAD

S-XQCC-N20

Not Qualified

4 mA

SN54AS174FKR

Texas Instruments

D FLIP-FLOP

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

1

TTL

6

5

50 pF

CHIP CARRIER

11.5 ns

1.27 mm

125 Cel

POSITIVE EDGE

-55 Cel

QUAD

100 MHz

S-CQCC-N20

5.5 V

2.03 mm

8.89 mm

Not Qualified

TRUE

4.5 V

45 mA

8.89 mm

AS

M38510/34104B2X

Texas Instruments

D FLIP-FLOP

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

1

TTL

4

5

CHIP CARRIER

10.5 ns

1.27 mm

125 Cel

POSITIVE EDGE

-55 Cel

QUAD

100 MHz

S-CQCC-N20

5.5 V

1.9 mm

8.885 mm

Not Qualified

COMPLEMENTARY

4.5 V

8.885 mm

F/FAST

SN54S174FK

Texas Instruments

D FLIP-FLOP

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

1

TTL

6

5

5

15 pF

CHIP CARRIER

LCC20,.35SQ

17 ns

FF/Latches

1.27 mm

125 Cel

POSITIVE EDGE

-55 Cel

QUAD

75 MHz

S-CQCC-N20

5.5 V

2.03 mm

8.89 mm

Not Qualified

TRUE

4.5 V

144 mA

NOT SPECIFIED

NOT SPECIFIED

8.89 mm

S

SNJ54AS175BFK

Texas Instruments

D FLIP-FLOP

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

1

TTL

MIL-PRF-38535

4

5

5

CHIP CARRIER

LCC20,.35SQ

11.5 ns

FF/Latches

1.27 mm

125 Cel

POSITIVE EDGE

-55 Cel

QUAD

100 MHz

S-CQCC-N20

5.5 V

2.03 mm

8.89 mm

Not Qualified

COMPLEMENTARY

4.5 V

NOT SPECIFIED

NOT SPECIFIED

8.89 mm

AS

SN54HC174FH

Texas Instruments

D FLIP-FLOP

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC

YES

6

CMOS

2/6

CHIP CARRIER

LCC20,.35SQ

FF/Latches

1.27 mm

125 Cel

POSITIVE EDGE

-55 Cel

QUAD

S-XQCC-N20

Not Qualified

SN54LVTH273FK

Texas Instruments

D FLIP-FLOP

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

1

BICMOS

8

3.3

50 pF

CHIP CARRIER

5.6 ns

1.27 mm

125 Cel

POSITIVE EDGE

-55 Cel

QUAD

150 MHz

S-CQCC-N20

3.6 V

2.03 mm

8.89 mm

Not Qualified

TRUE

2.7 V

5 mA

8.89 mm

LVT

M38510/65601B2A

Texas Instruments

D FLIP-FLOP

MILITARY

NO LEAD

20

QCCN

SQUARE

UNSPECIFIED

YES

1

CMOS

MIL-M-38510 Class B

8

4.5

CHIP CARRIER

42 ns

125 Cel

POSITIVE EDGE

-55 Cel

QUAD

23 MHz

S-XQCC-N20

6 V

Not Qualified

TRUE

2 V

HC/UH

SN54HCT273FKR

Texas Instruments

D FLIP-FLOP

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

1

CMOS

8

5

50 pF

CHIP CARRIER

50 ns

1.27 mm

125 Cel

POSITIVE EDGE

-55 Cel

QUAD

19 MHz

S-CQCC-N20

5.5 V

2.03 mm

8.89 mm

Not Qualified

TRUE

4.5 V

8.89 mm

HCT

SNC54ALS577FH

Texas Instruments

D FLIP-FLOP

MILITARY

NO LEAD

28

QCCN

SQUARE

CERAMIC

YES

8

TTL

MIL-STD-883 Class B (Modified)

5

5

CHIP CARRIER

LCC28,.45SQ

FF/Latches

1.27 mm

125 Cel

3-STATE

POSITIVE EDGE

-55 Cel

QUAD

S-XQCC-N28

Not Qualified

SNJ54ALS564FH

Texas Instruments

D FLIP-FLOP

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC

YES

8

TTL

38535Q/M;38534H;883B

5

5

CHIP CARRIER

LCC20,.35SQ

FF/Latches

1.27 mm

125 Cel

3-STATE

POSITIVE EDGE

-55 Cel

QUAD

S-XQCC-N20

Not Qualified

SNC54AS113FH

Texas Instruments

J-K FLIP-FLOP

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC

YES

2

TTL

MIL-STD-883 Class B (Modified)

CHIP CARRIER

LCC20,.35SQ

FF/Latches

1.27 mm

125 Cel

NEGATIVE EDGE

-55 Cel

QUAD

S-XQCC-N20

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

SN54AS174FH-00

Texas Instruments

D FLIP-FLOP

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

1

TTL

6

5

50 pF

CHIP CARRIER

11.5 ns

1.27 mm

125 Cel

POSITIVE EDGE

-55 Cel

QUAD

100 MHz

S-CQCC-N20

5.5 V

2.54 mm

8.89 mm

Not Qualified

TRUE

4.5 V

45 mA

8.89 mm

AS

SN54AS874FH

Texas Instruments

D FLIP-FLOP

MILITARY

NO LEAD

28

QCCN

SQUARE

CERAMIC

YES

2

TTL

5

5

CHIP CARRIER

LCC28,.45SQ

FF/Latches

1.27 mm

125 Cel

POSITIVE EDGE

-55 Cel

QUAD

S-XQCC-N28

Not Qualified

SNC54AS573FH

Texas Instruments

D LATCH

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC

YES

1

TTL

MIL-STD-883 Class B (Modified)

8

5

5

CHIP CARRIER

LCC20,.35SQ

FF/Latches

1.27 mm

125 Cel

3-STATE

-55 Cel

QUAD

S-XQCC-N20

Not Qualified

SN54AS846FH

Texas Instruments

D LATCH

MILITARY

NO LEAD

28

QCCN

SQUARE

CERAMIC

YES

1

TTL

8

CHIP CARRIER

LCC28,.45SQ

FF/Latches

1.27 mm

125 Cel

3-STATE

-55 Cel

QUAD

S-XQCC-N28

Not Qualified

SN54HC74FKR

Texas Instruments

D FLIP-FLOP

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

2

CMOS

1

5

50 pF

CHIP CARRIER

250 ns

1.27 mm

125 Cel

POSITIVE EDGE

-55 Cel

QUAD

25 MHz

S-CQCC-N20

6 V

2.03 mm

8.89 mm

Not Qualified

COMPLEMENTARY

2 V

8.89 mm

HC/UH

SN54AS114FH-00

Texas Instruments

J-K FLIP-FLOP

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

1

TTL

2

5

CHIP CARRIER

1.27 mm

125 Cel

NEGATIVE EDGE

-55 Cel

QUAD

S-CQCC-N20

5.5 V

2.54 mm

8.89 mm

Not Qualified

COMPLEMENTARY

4.5 V

WITH INDIVIDUAL SET INPUTS

8.89 mm

AS

SNJ54HC7074FK-00

Texas Instruments

D FLIP-FLOP

MILITARY

NO LEAD

28

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

2

CMOS

1

5

50 pF

CHIP CARRIER

53 ns

1.27 mm

125 Cel

POSITIVE EDGE

-55 Cel

QUAD

19 MHz

S-CQCC-N28

6 V

2.03 mm

11.43 mm

Not Qualified

COMPLEMENTARY

2 V

TWO INVERTERS; ONE 2-INPUT NOR GATE; ONE 2-INPUT NAND GATE

11.43 mm

HC/UH

SNJ54HC273FK-00

Texas Instruments

D FLIP-FLOP

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

1

CMOS

8

5

50 pF

CHIP CARRIER

48 ns

1.27 mm

125 Cel

POSITIVE EDGE

-55 Cel

QUAD

18 MHz

S-CQCC-N20

6 V

2.03 mm

8.89 mm

Not Qualified

TRUE

2 V

8.89 mm

HC/UH

SN54AS575FH

Texas Instruments

D FLIP-FLOP

MILITARY

NO LEAD

28

QCCN

SQUARE

CERAMIC

YES

8

TTL

CHIP CARRIER

LCC28,.45SQ

FF/Latches

1.27 mm

125 Cel

3-STATE

POSITIVE EDGE

-55 Cel

QUAD

S-XQCC-N28

Not Qualified

SN54HCT574FH

Texas Instruments

D FLIP-FLOP

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC

YES

8

CMOS

5

5

CHIP CARRIER

LCC20,.35SQ

6 Amp

FF/Latches

1.27 mm

125 Cel

3-STATE

POSITIVE EDGE

-55 Cel

QUAD

S-XQCC-N20

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

SNJ54HCT273FK

Texas Instruments

D FLIP-FLOP

MILITARY

NO LEAD

20

HQCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

1

16000000 Hz

CMOS

MIL-PRF-38535

8

TUBE

5

5

50 pF

CHIP CARRIER, HEAT SINK/SLUG

LCC20,.35SQ

50 ns

4 Amp

FF/Latches

1.27 mm

125 Cel

POSITIVE EDGE

-55 Cel

QUAD

19 MHz

S-CQCC-N20

5.5 V

2.03 mm

8.89 mm

Not Qualified

TRUE

4.5 V

8.89 mm

HCT

SNJ54ALS174FH-00

Texas Instruments

D FLIP-FLOP

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

1

TTL

6

5

50 pF

CHIP CARRIER

20 ns

1.27 mm

125 Cel

POSITIVE EDGE

-55 Cel

QUAD

40 MHz

S-CQCC-N20

5.5 V

2.54 mm

8.89 mm

Not Qualified

TRUE

4.5 V

19 mA

8.89 mm

ALS

SNC54AS174FH

Texas Instruments

D FLIP-FLOP

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC

YES

6

TTL

MIL-STD-883 Class B (Modified)

CHIP CARRIER

LCC20,.35SQ

FF/Latches

1.27 mm

125 Cel

POSITIVE EDGE

-55 Cel

QUAD

S-XQCC-N20

Not Qualified

SN54LS279AFK

Texas Instruments

R-S LATCH

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

4

TTL

2

5

5

15 pF

CHIP CARRIER

LCC20,.35SQ

27 ns

FF/Latches

1.27 mm

125 Cel

LOW LEVEL

-55 Cel

QUAD

S-CQCC-N20

5.5 V

2.03 mm

8.89 mm

Not Qualified

TRUE

4.5 V

7 mA

WITH DUAL S INPUT FOR TWO FUNCTIONS

NOT SPECIFIED

NOT SPECIFIED

8.89 mm

LS

SNJ54AS843FH

Texas Instruments

D LATCH

MILITARY

NO LEAD

28

QCCN

SQUARE

CERAMIC

YES

1

TTL

38535Q/M;38534H;883B

9

CHIP CARRIER

LCC28,.45SQ

FF/Latches

1.27 mm

125 Cel

3-STATE

-55 Cel

QUAD

S-XQCC-N28

Not Qualified

SN54AHC74FKR

Texas Instruments

D FLIP-FLOP

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

2

CMOS

1

3.3

50 pF

CHIP CARRIER

17.5 ns

1.27 mm

125 Cel

POSITIVE EDGE

-55 Cel

QUAD

110 MHz

S-CQCC-N20

5.5 V

2.03 mm

8.89 mm

Not Qualified

COMPLEMENTARY

2 V

8.89 mm

AHC

SN54HC573FH

Texas Instruments

D LATCH

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC

YES

1

CMOS

8

2/6

CHIP CARRIER

LCC20,.35SQ

FF/Latches

1.27 mm

125 Cel

3-STATE

-55 Cel

QUAD

S-XQCC-N20

Not Qualified

SNC54ALS874FH

Texas Instruments

D FLIP-FLOP

MILITARY

NO LEAD

28

QCCN

SQUARE

CERAMIC

YES

2

TTL

MIL-STD-883 Class B (Modified)

5

5

CHIP CARRIER

LCC28,.45SQ

FF/Latches

1.27 mm

125 Cel

3-STATE

POSITIVE EDGE

-55 Cel

QUAD

S-XQCC-N28

Not Qualified

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.