STMicroelectronics Latches & Flip-Flops 881

Reset All
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

74V1G79CTR

STMicroelectronics

D FLIP-FLOP

MILITARY

GULL WING

5

TSSOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

1

TR

3.3

2/5.5

50 pF

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

TSSOP5/6,.08

11 ns

4 Amp

FF/Latches

.65 mm

125 Cel

POSITIVE EDGE

-55 Cel

Nickel/Palladium/Gold (Ni/Pd/Au)

DUAL

150 MHz

R-PDSO-G5

1

5.5 V

1.1 mm

1.25 mm

Not Qualified

TRUE

2 V

e4

30

260

2 mm

74V

74ACT273M

STMicroelectronics

D FLIP-FLOP

MILITARY

GULL WING

20

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

110000000 Hz

CMOS

8

5

5

50 pF

SMALL OUTLINE

SOP20,.4

9 ns

24 Amp

FF/Latches

1.27 mm

125 Cel

POSITIVE EDGE

-55 Cel

TIN LEAD

DUAL

110 MHz

R-PDSO-G20

5.5 V

2.65 mm

7.5 mm

Not Qualified

TRUE

4.5 V

e0

12.8 mm

ACT

M74HC273B1N

STMicroelectronics

D FLIP-FLOP

INDUSTRIAL

THROUGH-HOLE

20

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

22000000 Hz

CMOS

8

5

2/6

50 pF

IN-LINE

DIP20,.3

45 ns

4 Amp

FF/Latches

2.54 mm

85 Cel

POSITIVE EDGE

-40 Cel

TIN LEAD

DUAL

22 MHz

R-PDIP-T20

6 V

3.93 mm

7.62 mm

Not Qualified

TRUE

2 V

e0

HC/UH

M54HC273D

STMicroelectronics

D FLIP-FLOP

MILITARY

THROUGH-HOLE

20

DIP

RECTANGULAR

50k Rad(Si)

CERAMIC, METAL-SEALED COFIRED

NO

1

CMOS

ESCC9000

8

4.5

2/6

50 pF

IN-LINE

DIP20,.3

220 ns

4 Amp

FF/Latches

2.54 mm

125 Cel

POSITIVE EDGE

-55 Cel

TIN LEAD

DUAL

24 MHz

R-CDIP-T20

6 V

3.86 mm

7.62 mm

Not Qualified

TRUE

2 V

e0

25.4 mm

HC/UH

HCF4043BM1

STMicroelectronics

R-S LATCH

MILITARY

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

4

TUBE

5

5/15

50 pF

SMALL OUTLINE

SOP16,.25

300 ns

.36 Amp

FF/Latches

1.27 mm

125 Cel

3-STATE

HIGH LEVEL

-55 Cel

NICKEL PALLADIUM GOLD

DUAL

R-PDSO-G16

20 V

1.75 mm

3.9 mm

Not Qualified

TRUE

3 V

e4

9.9 mm

4000/14000/40000

T74LS175C1

STMicroelectronics

D FLIP-FLOP

COMMERCIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

YES

1

TTL

4

5

CHIP CARRIER

25 ns

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

COMPLEMENTARY

4.75 V

18 mA

8.9662 mm

LS

HCF4044BM013TR

STMicroelectronics

R-S LATCH

MILITARY

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

4

CMOS

1

TR

5/15

50 pF

SMALL OUTLINE

SOP16,.25

FF/Latches

1.27 mm

125 Cel

3-STATE

-55 Cel

Nickel/Palladium/Gold (Ni/Pd/Au)

DUAL

R-PDSO-G16

Not Qualified

e4

M54HC73F1

STMicroelectronics

J-K FLIP-FLOP

MILITARY

THROUGH-HOLE

14

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

2

20000000 Hz

CMOS

2

5

2/6

50 pF

IN-LINE

DIP14,.3

45 ns

4 Amp

FF/Latches

2.54 mm

125 Cel

NEGATIVE EDGE

-55 Cel

TIN LEAD

DUAL

20 MHz

R-GDIP-T14

6 V

5 mm

7.62 mm

Not Qualified

COMPLEMENTARY

2 V

e0

HC/UH

M74HC377C1

STMicroelectronics

D FLIP-FLOP

INDUSTRIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

YES

1

24000000 Hz

CMOS

8

5

2/6

50 pF

CHIP CARRIER

LDCC20,.4SQ

40 ns

4 Amp

FF/Latches

1.27 mm

85 Cel

POSITIVE EDGE

-40 Cel

TIN LEAD

QUAD

24 MHz

S-PQCC-J20

6 V

4.57 mm

8.9662 mm

Not Qualified

TRUE

2 V

WITH HOLD MODE

e0

8.9662 mm

HC/UH

HCC4508BD

STMicroelectronics

D LATCH

MILITARY

THROUGH-HOLE

24

DIP

RECTANGULAR

100k Rad(Si)

CERAMIC

NO

2

CMOS

ESCC9000

4

5/15

IN-LINE

DIP24,.6

FF/Latches

2.54 mm

125 Cel

3-STATE

-55 Cel

DUAL

R-XDIP-T24

Not Qualified

RHFACT174K01V

STMicroelectronics

D FLIP-FLOP

FLAT

16

DFP

RECTANGULAR

300k Rad(Si)

CERAMIC, METAL-SEALED COFIRED

YES

1

CMOS

MIL-PRF-38535 Class V

6

STRIP PACK

5

FLATPACK

FL16,.25

1.27 mm

150 Cel

POSITIVE EDGE

-55 Cel

DUAL

R-CDFP-F16

5.5 V

2.38 mm

6.91 mm

TRUE

4.5 V

SEATED HGT CALCULATED

9.94 mm

ACT

74VHCT273AT

STMicroelectronics

D FLIP-FLOP

MILITARY

GULL WING

20

TSSOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

45000000 Hz

CMOS

8

5

5

50 pF

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

TSSOP20,.25

11 ns

8 Amp

FF/Latches

.65 mm

125 Cel

POSITIVE EDGE

-55 Cel

TIN LEAD

DUAL

65 MHz

R-PDSO-G20

5.5 V

1.2 mm

4.4 mm

Not Qualified

TRUE

4.5 V

e0

6.5 mm

AHCT/VHCT

M54HC375F1R

STMicroelectronics

D LATCH

MILITARY

THROUGH-HOLE

16

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

2

CMOS

2

5

2/6

50 pF

IN-LINE

DIP16,.3

32 ns

4 Amp

FF/Latches

2.54 mm

125 Cel

HIGH LEVEL

-55 Cel

TIN LEAD

DUAL

R-GDIP-T16

6 V

5.08 mm

7.62 mm

Not Qualified

COMPLEMENTARY

2 V

e0

HC/UH

M74HCT273B1R

STMicroelectronics

D FLIP-FLOP

MILITARY

THROUGH-HOLE

20

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

20000000 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

MATTE TIN

DUAL

20 MHz

R-PDIP-T20

5.5 V

3.93 mm

7.62 mm

Not Qualified

TRUE

4.5 V

e3

25.15 mm

HCT

M74HC175M1R

STMicroelectronics

D FLIP-FLOP

MILITARY

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

21000000 Hz

CMOS

4

TUBE

4.5

2/6

50 pF

SMALL OUTLINE

SOP16,.25

225 ns

4 Amp

FF/Latches

1.27 mm

125 Cel

POSITIVE EDGE

-55 Cel

NICKEL PALLADIUM GOLD

DUAL

25 MHz

R-PDSO-G16

3

6 V

1.75 mm

3.9 mm

Not Qualified

COMPLEMENTARY

2 V

e4

9.9 mm

HC/UH

74V1G77CTR

STMicroelectronics

D LATCH

MILITARY

GULL WING

5

TSSOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

1

TR

3.3

2/5.5

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

TSSOP6,.08

13 ns

4 Amp

FF/Latches

.65 mm

125 Cel

HIGH LEVEL

-55 Cel

MATTE TIN

DUAL

R-PDSO-G5

1

5.5 V

1.1 mm

1.25 mm

Not Qualified

TRUE

2 V

e3

30

260

2 mm

74V

HCC4013BF

STMicroelectronics

D FLIP-FLOP

MILITARY

THROUGH-HOLE

14

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

2

3500000 Hz

CMOS

1

5

3/18

50 pF

IN-LINE

DIP14,.3

300 ns

FF/Latches

2.54 mm

125 Cel

POSITIVE EDGE

-55 Cel

TIN LEAD

DUAL

12 MHz

R-GDIP-T14

18 V

5 mm

7.62 mm

Not Qualified

COMPLEMENTARY

3 V

LG_MAX

e0

20 mm

4000/14000/40000

HCC4044BE

STMicroelectronics

R-S LATCH

M54HCT373D

STMicroelectronics

D LATCH

MILITARY

THROUGH-HOLE

20

DIP

RECTANGULAR

50k Rad(Si)

CERAMIC

NO

1

CMOS

8

5

5

50 pF

IN-LINE

DIP20,.3

6 Amp

FF/Latches

2.54 mm

125 Cel

3-STATE

-55 Cel

DUAL

R-XDIP-T20

Not Qualified

M54HC112F1R

STMicroelectronics

J-K FLIP-FLOP

MILITARY

THROUGH-HOLE

16

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

2

27000000 Hz

CMOS

2

5

2/6

50 pF

IN-LINE

DIP16,.3

38 ns

4 Amp

FF/Latches

2.54 mm

125 Cel

NEGATIVE EDGE

-55 Cel

TIN LEAD

DUAL

27 MHz

R-GDIP-T16

6 V

5.08 mm

7.62 mm

Not Qualified

COMPLEMENTARY

2 V

e0

HC/UH

RHFAC74K1

STMicroelectronics

D FLIP-FLOP

FLAT

14

DFP

RECTANGULAR

300k Rad(Si)

CERAMIC, METAL-SEALED COFIRED

YES

2

CMOS

1

STRIP PACK

5

FLATPACK

FL14,.25

1.27 mm

150 Cel

POSITIVE EDGE

-55 Cel

DUAL

R-CDFP-F14

6 V

2.72 mm

6.345 mm

COMPLEMENTARY

2 V

9.5 mm

AC

M74HC76F1

STMicroelectronics

J-K FLIP-FLOP

INDUSTRIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

2

24000000 Hz

CMOS

2

5

2/6

50 pF

IN-LINE

DIP16,.3

36 ns

4 Amp

FF/Latches

2.54 mm

85 Cel

NEGATIVE EDGE

-40 Cel

TIN LEAD

DUAL

24 MHz

R-GDIP-T16

6 V

5 mm

7.62 mm

Not Qualified

COMPLEMENTARY

2 V

e0

HC/UH

HCF4099BF

STMicroelectronics

D LATCH

INDUSTRIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

CERAMIC

NO

1

CMOS

8

3/15

50 pF

IN-LINE

DIP16,.3

FF/Latches

2.54 mm

85 Cel

-40 Cel

TIN LEAD

DUAL

R-XDIP-T16

Not Qualified

e0

M74HC175C1R

STMicroelectronics

D FLIP-FLOP

INDUSTRIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

YES

1

25000000 Hz

CMOS

4

5

2/6

50 pF

CHIP CARRIER

LDCC20,.4SQ

38 ns

4 Amp

FF/Latches

1.27 mm

85 Cel

POSITIVE EDGE

-40 Cel

MATTE TIN

QUAD

25 MHz

S-PQCC-J20

6 V

4.57 mm

8.9662 mm

Not Qualified

COMPLEMENTARY

2 V

e3

8.9662 mm

HC/UH

74VHC74MTR

STMicroelectronics

D FLIP-FLOP

MILITARY

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

2

75000000 Hz

CMOS

1

TR

3.3

2/5.5

50 pF

SMALL OUTLINE

SOP14,.25

17.5 ns

8 Amp

FF/Latches

1.27 mm

125 Cel

POSITIVE EDGE

-55 Cel

Nickel/Palladium/Gold (Ni/Pd/Au)

DUAL

110 MHz

R-PDSO-G14

1

5.5 V

1.75 mm

3.9 mm

Not Qualified

COMPLEMENTARY

2 V

e4

40

260

8.65 mm

AHC/VHC

HCF4096BE

STMicroelectronics

J-K FLIP-FLOP

INDUSTRIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

3500000 Hz

CMOS

3/15

50 pF

IN-LINE

DIP14,.3

FF/Latches

2.54 mm

85 Cel

MASTER-SLAVE

-40 Cel

Tin/Lead (Sn/Pb)

DUAL

R-PDIP-T14

Not Qualified

e0

RHFAC273K03V

STMicroelectronics

D FLIP-FLOP

MILITARY

FLAT

20

DFP

RECTANGULAR

300k Rad(Si)

CERAMIC, METAL-SEALED COFIRED

YES

1

CMOS

MIL-PRF-38535 Class V

8

TR

3

FLATPACK

FL20,.3

1.27 mm

150 Cel

-55 Cel

DUAL

R-CDFP-F20

6 V

2.21 mm

7.115 mm

TRUE

2 V

12.955 mm

AC

M54HC74DG

STMicroelectronics

D FLIP-FLOP

THROUGH-HOLE

14

DIP

RECTANGULAR

50k Rad(Si)

CERAMIC, GLASS-SEALED

NO

2

CMOS

1

IN-LINE

DIP14,.3

2.54 mm

125 Cel

-55 Cel

DUAL

R-GDIP-T14

6 V

2.54 mm

7.62 mm

2 V

19 mm

HC

HCC4043BDG

STMicroelectronics

R-S LATCH

THROUGH-HOLE

16

DIP

RECTANGULAR

100k Rad(Si)

CERAMIC, GLASS-SEALED

NO

1

CMOS

4

IN-LINE

DIP16,.3

2.54 mm

125 Cel

3-STATE

-55 Cel

DUAL

R-GDIP-T16

20 V

3.83 mm

7.62 mm

3 V

20.32 mm

4000/14000/40000

M54HC74KG

STMicroelectronics

D FLIP-FLOP

FLAT

14

DFP

RECTANGULAR

50k Rad(Si)

CERAMIC, METAL-SEALED COFIRED

YES

2

CMOS

1

FLATPACK

FL14,.3

1.27 mm

125 Cel

-55 Cel

DUAL

R-CDFP-F14

6 V

2.33 mm

6.91 mm

2 V

SEATED HT-CALCULATED

9.95 mm

HC

M54HC273KT

STMicroelectronics

D FLIP-FLOP

FLAT

20

DFP

SQUARE

50k Rad(Si)

CERAMIC, METAL-SEALED COFIRED

YES

1

CMOS

8

FLATPACK

FL20,.3

1.27 mm

125 Cel

-55 Cel

DUAL

S-CDFP-F20

6 V

2.33 mm

10.16 mm

2 V

10.16 mm

HC

74VHCT174ATTR

STMicroelectronics

D FLIP-FLOP

MILITARY

GULL WING

16

TSSOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

50000000 Hz

CMOS

6

TR

5

5

50 pF

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

TSSOP16,.25

10 ns

8 Amp

FF/Latches

.65 mm

125 Cel

POSITIVE EDGE

-55 Cel

DUAL

80 MHz

R-PDSO-G16

5.5 V

1.2 mm

4.4 mm

Not Qualified

TRUE

4.5 V

5 mm

AHCT/VHCT/VT

T74LS112AC1

STMicroelectronics

J-K FLIP-FLOP

COMMERCIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

YES

2

TTL

2

5

15 pF

CHIP CARRIER

20 ns

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

8 mA

8.9662 mm

LS

74VHCT273AMTR

STMicroelectronics

D FLIP-FLOP

MILITARY

GULL WING

20

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

45000000 Hz

CMOS

8

TR

5

5

50 pF

SMALL OUTLINE

SOP20,.4

11 ns

8 Amp

FF/Latches

1.27 mm

125 Cel

POSITIVE EDGE

-55 Cel

NICKEL PALLADIUM GOLD

DUAL

65 MHz

R-PDSO-G20

5.5 V

2.65 mm

7.5 mm

Not Qualified

TRUE

4.5 V

e4

12.8 mm

AHCT/VHCT

M74HC273TTR

STMicroelectronics

D FLIP-FLOP

MILITARY

GULL WING

20

TSSOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

20000000 Hz

CMOS

8

TR

4.5

2/6

50 pF

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

TSSOP20,.25

220 ns

4 Amp

FF/Latches

.65 mm

125 Cel

POSITIVE EDGE

-55 Cel

NICKEL PALLADIUM GOLD

DUAL

24 MHz

R-PDSO-G20

6 V

1.2 mm

4.4 mm

Not Qualified

TRUE

2 V

e4

6.5 mm

HC/UH

8408901XC

STMicroelectronics

D FLIP-FLOP

MILITARY

FLAT

16

DFP

RECTANGULAR

CERAMIC, METAL-SEALED COFIRED

YES

1

21000000 Hz

CMOS

MIL-STD-883

4

4.5

2/6

50 pF

FLATPACK

FL16,.3

255 ns

4 Amp

FF/Latches

1.27 mm

125 Cel

POSITIVE EDGE

-55 Cel

DUAL

25 MHz

R-CDFP-F16

6 V

Not Qualified

COMPLEMENTARY

2 V

HC/UH

M74HC279F1

STMicroelectronics

R-S LATCH

INDUSTRIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

4

CMOS

2

5

2/6

50 pF

IN-LINE

DIP16,.3

33 ns

4 Amp

FF/Latches

2.54 mm

85 Cel

LOW LEVEL

-40 Cel

TIN LEAD

DUAL

R-GDIP-T16

6 V

5 mm

7.62 mm

Not Qualified

TRUE

2 V

WITH DUAL S INPUT FOR TWO FUNCTIONS

e0

HC/UH

M74HC74C1

STMicroelectronics

D FLIP-FLOP

INDUSTRIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

YES

2

22000000 Hz

CMOS

1

5

2/6

50 pF

CHIP CARRIER

LDCC20,.4SQ

40 ns

4 Amp

FF/Latches

1.27 mm

85 Cel

POSITIVE EDGE

-40 Cel

TIN LEAD

QUAD

22 MHz

S-PQCC-J20

6 V

4.57 mm

8.9662 mm

Not Qualified

COMPLEMENTARY

2 V

e0

8.9662 mm

HC/UH

M54HC109DG

STMicroelectronics

J-K FLIP-FLOP

THROUGH-HOLE

16

DIP

RECTANGULAR

50k Rad(Si)

CERAMIC, GLASS-SEALED

NO

2

CMOS

2

IN-LINE

DIP16,.3

2.54 mm

125 Cel

-55 Cel

DUAL

R-GDIP-T16

6 V

3.83 mm

7.62 mm

2 V

20.32 mm

HC

STPIC6A259M

STMicroelectronics

D FLIP-FLOP

AUTOMOTIVE

GULL WING

24

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

BICMOS

1

TUBE

5

5

30 pF

SMALL OUTLINE

SOP24,.4

FF/Latches

1.27 mm

125 Cel

OPEN-DRAIN

LOW LEVEL

-40 Cel

NICKEL PALLADIUM GOLD

DUAL

R-PDSO-G24

5.5 V

2.65 mm

7.5 mm

Not Qualified

TRUE

4.5 V

e4

15.4 mm

HCF4013BM1

STMicroelectronics

D FLIP-FLOP

MILITARY

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

2

3500000 Hz

CMOS

1

TUBE

5

5/15

50 pF

SMALL OUTLINE

SOP14,.25

300 ns

FF/Latches

1.27 mm

125 Cel

POSITIVE EDGE

-55 Cel

NICKEL PALLADIUM GOLD

DUAL

12 MHz

R-PDSO-G14

1

20 V

1.75 mm

3.9 mm

Not Qualified

COMPLEMENTARY

3 V

e4

8.65 mm

4000/14000/40000

M74HC109B1N

STMicroelectronics

J-KBAR FLIP-FLOP

INDUSTRIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

2

24000000 Hz

CMOS

2

5

2/6

50 pF

IN-LINE

DIP16,.3

41 ns

4 Amp

FF/Latches

2.54 mm

85 Cel

POSITIVE EDGE

-40 Cel

TIN LEAD

DUAL

24 MHz

R-PDIP-T16

6 V

5.1 mm

7.62 mm

Not Qualified

COMPLEMENTARY

2 V

e0

HC/UH

M74HCT174TTR

STMicroelectronics

D FLIP-FLOP

MILITARY

GULL WING

16

TSSOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

6

TR

5

5

50 pF

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

TSSOP16,.25

35 ns

4 Amp

FF/Latches

.65 mm

125 Cel

POSITIVE EDGE

-55 Cel

NICKEL PALLADIUM GOLD

DUAL

24 MHz

R-PDSO-G16

1

5.5 V

1.2 mm

4.4 mm

Not Qualified

TRUE

4.5 V

e4

5 mm

HCT

HCF4013BM

STMicroelectronics

D FLIP-FLOP

INDUSTRIAL

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

2

3500000 Hz

CMOS

1

5

3/15

50 pF

SMALL OUTLINE

SOP14,.25

300 ns

FF/Latches

1.27 mm

85 Cel

POSITIVE EDGE

-40 Cel

TIN LEAD

DUAL

12 MHz

R-PDSO-G14

15 V

2 mm

5.3 mm

Not Qualified

COMPLEMENTARY

3 V

e0

10.16 mm

4000/14000/40000

74AC273B

STMicroelectronics

D FLIP-FLOP

MILITARY

THROUGH-HOLE

20

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

75000000 Hz

CMOS

8

3.3

3.3/5

50 pF

IN-LINE

DIP20,.3

16 ns

12 Amp

FF/Latches

2.54 mm

125 Cel

POSITIVE EDGE

-55 Cel

MATTE TIN

DUAL

125 MHz

R-PDIP-T20

6 V

3.93 mm

7.62 mm

Not Qualified

TRUE

2 V

e3

25.15 mm

AC

8409901XX

STMicroelectronics

D FLIP-FLOP

MILITARY

20

CERAMIC, METAL-SEALED COFIRED

1

CMOS

4

5

CHIP CARRIER

10 ns

125 Cel

POSITIVE EDGE

-55 Cel

QUAD

95 MHz

5.5 V

Not Qualified

TRUE

4.5 V

FOUR 2:1 MUX FOLLOWED BY REGISTER

ACT

M54HC175D1

STMicroelectronics

D FLIP-FLOP

MILITARY

THROUGH-HOLE

16

DIP

RECTANGULAR

50k Rad(Si)

CERAMIC, METAL-SEALED COFIRED

NO

1

21000000 Hz

CMOS

4

4.5

2/6

50 pF

IN-LINE

DIP16,.3

225 ns

4 Amp

FF/Latches

2.54 mm

125 Cel

POSITIVE EDGE

-55 Cel

TIN LEAD

DUAL

25 MHz

R-CDIP-T16

6 V

3.83 mm

7.62 mm

Not Qualified

COMPLEMENTARY

2 V

e0

20.32 mm

HC/UH

M74HC259C1R

STMicroelectronics

D LATCH

INDUSTRIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

YES

1

CMOS

1

5

2/6

50 pF

CHIP CARRIER

LDCC20,.4SQ

38 ns

4 Amp

FF/Latches

1.27 mm

85 Cel

LOW LEVEL

-40 Cel

MATTE TIN

QUAD

S-PQCC-J20

6 V

4.57 mm

8.9662 mm

Not Qualified

TRUE

2 V

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

e3

8.9662 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.