STMicroelectronics Prescaler & Multivibrators 173

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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 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 Minimum Operating Temperature No. of Data/Clock Inputs Terminal Finish Terminal Position 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

M74HC123B1R

STMicroelectronics

MONOSTABLE MULTIVIBRATOR

MILITARY

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

2

CMOS

4.5

2/6

50 pF

IN-LINE

DIP16,.3

315 ns

Prescaler/Multivibrators

2.54 mm

125 Cel

-55 Cel

2

NICKEL PALLADIUM GOLD

DUAL

R-PDIP-T16

6 V

5.1 mm

7.62 mm

Not Qualified

COMPLEMENTARY

2 V

RETRIGGERABLE; TRIGGERABLE FROM CLEAR INPUT ALSO

e4

HC/UH

HCF4047BE

STMicroelectronics

MONOSTABLE MULTIVIBRATOR

INDUSTRIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

CMOS

5

3/15

IN-LINE

DIP14,.3

1000 ns

Prescaler/Multivibrators

2.54 mm

85 Cel

-40 Cel

2

Tin/Lead (Sn/Pb)

DUAL

R-PDIP-T14

15 V

5.1 mm

7.62 mm

Not Qualified

COMPLEMENTARY

3 V

RETRIGGERABLE; FREE RUNNING/GATABLE ASTABLE OPERATING MODES WITH OSCILLATOR OUTPUT;

e0

20 mm

4000/14000/40000

M54HC123D1

STMicroelectronics

MONOSTABLE MULTIVIBRATOR

MILITARY

THROUGH-HOLE

16

DIP

RECTANGULAR

CERAMIC, METAL-SEALED COFIRED

NO

2

CMOS

4.5

2/6

IN-LINE

DIP16,.3

315 ns

Prescaler/Multivibrators

2.54 mm

125 Cel

-55 Cel

2

TIN LEAD

DUAL

R-CDIP-T16

6 V

3.83 mm

7.62 mm

Not Qualified

COMPLEMENTARY

2 V

e0

20.32 mm

HC/UH

M74HC7292B1R

STMicroelectronics

PRESCALER

MILITARY

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

22000000 Hz

CMOS

4.5

2/6

50 pF

IN-LINE

DIP16,.3

105 ns

Prescaler/Multivibrators

2.54 mm

125 Cel

-55 Cel

2

MATTE TIN

DUAL

21 MHz

R-PDIP-T16

6 V

5.1 mm

7.62 mm

Not Qualified

2 V

SELECTABLE DIVISION RATIO 2 TO THE POWER OF 2 TO 2 TO THE POWER OF 31

e3

HC/UH

M54HC221F1R

STMicroelectronics

MONOSTABLE MULTIVIBRATOR

MILITARY

THROUGH-HOLE

16

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

2

CMOS

5

2/6

50 pF

IN-LINE

DIP16,.3

63 ns

Prescaler/Multivibrators

2.54 mm

125 Cel

-55 Cel

2

TIN LEAD

DUAL

R-GDIP-T16

6 V

5.08 mm

7.62 mm

Not Qualified

COMPLEMENTARY

2 V

NON-RETRIGGERABLE; TRIGGERABLE FROM CLEAR INPUT ALSO

e0

19.304 mm

HC/UH

M74HC423B1R

STMicroelectronics

MONOSTABLE MULTIVIBRATOR

MILITARY

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

2

CMOS

4.5

2/6

50 pF

IN-LINE

DIP16,.3

210 ns

Prescaler/Multivibrators

2.54 mm

125 Cel

-55 Cel

2

MATTE TIN

DUAL

R-PDIP-T16

6 V

5.1 mm

7.62 mm

Not Qualified

COMPLEMENTARY

2 V

RETRIGGERABLE

e3

HC/UH

M74HC7294RM13TR

STMicroelectronics

PRESCALER

MILITARY

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

21000000 Hz

CMOS

TR

4.5

2/6

50 pF

SMALL OUTLINE

SOP16,.25

84 ns

Prescaler/Multivibrators

1.27 mm

125 Cel

-55 Cel

2

NICKEL PALLADIUM GOLD

DUAL

25 MHz

R-PDSO-G16

6 V

1.75 mm

3.9 mm

Not Qualified

2 V

SELECTABLE DIVISION RATIO 2 TO THE POWER OF 2 TO 2 TO THE POWER OF15

e4

9.9 mm

HC/UH

TEA8805D

STMicroelectronics

PRESCALER

COMMERCIAL

GULL WING

20

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

5

SMALL OUTLINE

1.27 mm

70 Cel

0 Cel

1

DUAL

.5 MHz

R-PDSO-G20

5.5 V

2.65 mm

7.5 mm

Not Qualified

TRUE

4.5 V

12.8 mm

TEA88

M54HC294F1

STMicroelectronics

PRESCALER

MILITARY

THROUGH-HOLE

16

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

1

21000000 Hz

CMOS

2/6

IN-LINE

DIP16,.3

676 ns

Prescaler/Multivibrators

2.54 mm

125 Cel

-55 Cel

2

TIN LEAD

DUAL

25 MHz

R-GDIP-T16

6 V

5 mm

7.62 mm

Not Qualified

INVERTED

2 V

e0

HC/UH

M74HC221TTR

STMicroelectronics

MONOSTABLE MULTIVIBRATOR

MILITARY

GULL WING

16

TSSOP

RECTANGULAR

PLASTIC/EPOXY

YES

2

CMOS

TR

4.5

2/6

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

TSSOP16,.25

315 ns

Prescaler/Multivibrators

.65 mm

125 Cel

-55 Cel

2

TIN LEAD

DUAL

R-PDSO-G16

6 V

1.2 mm

4.4 mm

Not Qualified

COMPLEMENTARY

2 V

NON-RETRIGGERABLE; TRIGGERABLE FROM CLEAR INPUT ALSO

e0

5 mm

HC/UH

T54LS122D2

STMicroelectronics

MONOSTABLE MULTIVIBRATOR

MILITARY

THROUGH-HOLE

14

DIP

RECTANGULAR

CERAMIC

NO

5

5

IN-LINE

DIP14,.3

Prescaler/Multivibrators

2.54 mm

125 Cel

-55 Cel

DUAL

R-XDIP-T14

Not Qualified

T54LS123D2

STMicroelectronics

MONOSTABLE MULTIVIBRATOR

MILITARY

THROUGH-HOLE

16

DIP

RECTANGULAR

CERAMIC

NO

5

5

IN-LINE

DIP16,.3

Prescaler/Multivibrators

2.54 mm

125 Cel

-55 Cel

DUAL

R-XDIP-T16

Not Qualified

M74HC4538RM13TR

STMicroelectronics

MONOSTABLE MULTIVIBRATOR

MILITARY

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

2

CMOS

TR

4.5

2/6

50 pF

SMALL OUTLINE

SOP16,.25

375 ns

Prescaler/Multivibrators

1.27 mm

125 Cel

-55 Cel

2

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

DUAL

R-PDSO-G16

3

6 V

1.75 mm

3.9 mm

Not Qualified

COMPLEMENTARY

2 V

RETRIGGERABLE

e4

30

260

9.9 mm

HC/UH

T74LS122C1

STMicroelectronics

MONOSTABLE MULTIVIBRATOR

COMMERCIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

YES

5

5

CHIP CARRIER

LDCC20,.4SQ

Prescaler/Multivibrators

1.27 mm

70 Cel

0 Cel

QUAD

S-PQCC-J20

Not Qualified

M54HC123KG

STMicroelectronics

MONOSTABLE MULTIVIBRATOR

FLAT

16

DFP

RECTANGULAR

50k Rad(Si)

CERAMIC, METAL-SEALED COFIRED

YES

2

CMOS

FLATPACK

FL16,.3

1.27 mm

125 Cel

-55 Cel

DUAL

R-CDFP-F16

6 V

2.38 mm

6.91 mm

2 V

9.94 mm

HC

M74HC221B1R

STMicroelectronics

MONOSTABLE MULTIVIBRATOR

MILITARY

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

2

CMOS

4.5

2/6

50 pF

IN-LINE

DIP16,.3

315 ns

Prescaler/Multivibrators

2.54 mm

125 Cel

-55 Cel

2

NICKEL PALLADIUM GOLD

DUAL

R-PDIP-T16

6 V

5.1 mm

7.62 mm

Not Qualified

COMPLEMENTARY

2 V

NON-RETRIGGERABLE; TRIGGERABLE FROM CLEAR INPUT ALSO

e4

HC/UH

HCC4047BK1

STMicroelectronics

MONOSTABLE MULTIVIBRATOR

FLAT

14

DFP

RECTANGULAR

100k Rad(Si)

CERAMIC, METAL-SEALED COFIRED

YES

1

CMOS

5

FLATPACK

125 Cel

-55 Cel

DUAL

R-CDFP-F14

15 V

3 V

4000/14000/40000

M74HC221ARM13TR

STMicroelectronics

MONOSTABLE MULTIVIBRATOR

MILITARY

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

2

CMOS

TR

4.5

2/6

50 pF

SMALL OUTLINE

SOP16,.25

315 ns

Prescaler/Multivibrators

1.27 mm

125 Cel

-55 Cel

2

NICKEL PALLADIUM GOLD

DUAL

R-PDSO-G16

6 V

1.75 mm

3.9 mm

Not Qualified

COMPLEMENTARY

2 V

NON-RETRIGGERABLE; TRIGGERABLE FROM CLEAR INPUT ALSO

e4

9.9 mm

HC/UH

M74HC294M1

STMicroelectronics

PRESCALER

INDUSTRIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

26000000 Hz

CMOS

2/6

SMALL OUTLINE

SOP16,.4

571 ns

Prescaler/Multivibrators

1.27 mm

85 Cel

-40 Cel

2

TIN LEAD

DUAL

31 MHz

R-PDSO-G16

6 V

1.75 mm

3.9 mm

Not Qualified

INVERTED

2 V

e0

9.9 mm

HC/UH

M74HC423C1

STMicroelectronics

MONOSTABLE MULTIVIBRATOR

INDUSTRIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

YES

2

CMOS

5

2/6

50 pF

CHIP CARRIER

LDCC20,.4SQ

60 ns

Prescaler/Multivibrators

1.27 mm

85 Cel

-40 Cel

2

TIN LEAD

QUAD

S-PQCC-J20

6 V

4.57 mm

8.9662 mm

Not Qualified

COMPLEMENTARY

2 V

RETRIGGERABLE; MIN OUTPUT PULSE WIDTH = 118NS @ REXT = 1K OHM & CEXT = 0

e0

8.9662 mm

HC/UH

M74HC294M1R

STMicroelectronics

PRESCALER

MILITARY

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

26000000 Hz

CMOS

4.5

2/6

50 pF

SMALL OUTLINE

SOP16,.25

84 ns

Prescaler/Multivibrators

1.27 mm

125 Cel

-55 Cel

2

NICKEL PALLADIUM GOLD

DUAL

25 MHz

R-PDSO-G16

6 V

1.75 mm

3.9 mm

Not Qualified

2 V

SELECTABLE DIVISION RATIO 2 TO THE POWER OF 2 TO 2 TO THE POWER OF15

e4

9.9 mm

HC/UH

M74HC7294M1R

STMicroelectronics

PRESCALER

MILITARY

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

26000000 Hz

CMOS

4.5

2/6

50 pF

SMALL OUTLINE

SOP16,.25

84 ns

Prescaler/Multivibrators

1.27 mm

125 Cel

-55 Cel

2

NICKEL PALLADIUM GOLD

DUAL

25 MHz

R-PDSO-G16

6 V

1.75 mm

3.9 mm

Not Qualified

2 V

SELECTABLE DIVISION RATIO 2 TO THE POWER OF 2 TO 2 TO THE POWER OF15

e4

9.9 mm

HC/UH

M74HC221C1

STMicroelectronics

MONOSTABLE MULTIVIBRATOR

INDUSTRIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

YES

2

CMOS

5

2/6

50 pF

CHIP CARRIER

LDCC20,.4SQ

70 ns

Prescaler/Multivibrators

1.27 mm

85 Cel

-40 Cel

2

TIN LEAD

QUAD

S-PQCC-J20

6 V

4.57 mm

8.9662 mm

Not Qualified

COMPLEMENTARY

2 V

NON-RETRIGGERABLE; TRIGGERABLE FROM CLEAR INPUT ALSO

e0

8.9662 mm

HC/UH

M54HC4538K

STMicroelectronics

MONOSTABLE MULTIVIBRATOR

MILITARY

FLAT

16

DFP

RECTANGULAR

CERAMIC, METAL-SEALED COFIRED

YES

2

CMOS

ESCC9000

4.5

2/6

FLATPACK

FL16,.3

375 ns

Prescaler/Multivibrators

1.27 mm

125 Cel

-55 Cel

2

TIN LEAD

DUAL

R-CDFP-F16

6 V

2.38 mm

6.91 mm

Not Qualified

COMPLEMENTARY

2 V

e0

9.94 mm

HC/UH

M54HC123K1

STMicroelectronics

MONOSTABLE MULTIVIBRATOR

MILITARY

FLAT

16

DFP

RECTANGULAR

CERAMIC, METAL-SEALED COFIRED

YES

2

CMOS

TR

4.5

2/6

FLATPACK

FL16,.3

315 ns

Prescaler/Multivibrators

1.27 mm

125 Cel

-55 Cel

2

TIN LEAD

DUAL

R-CDFP-F16

6 V

2.38 mm

6.91 mm

Not Qualified

COMPLEMENTARY

2 V

e0

9.94 mm

HC/UH

M74HC123RM13TR

STMicroelectronics

MONOSTABLE MULTIVIBRATOR

MILITARY

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

2

CMOS

TR

4.5

2/6

50 pF

SMALL OUTLINE

SOP16,.25

315 ns

Prescaler/Multivibrators

1.27 mm

125 Cel

-55 Cel

2

NICKEL PALLADIUM GOLD

DUAL

R-PDSO-G16

1

6 V

1.75 mm

3.9 mm

Not Qualified

COMPLEMENTARY

2 V

RETRIGGERABLE; TRIGGERABLE FROM CLEAR INPUT ALSO

e4

260

9.9 mm

HC/UH

M74HC221RM13TR

STMicroelectronics

MONOSTABLE MULTIVIBRATOR

MILITARY

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

2

CMOS

TR

4.5

2/6

50 pF

SMALL OUTLINE

SOP16,.25

315 ns

Prescaler/Multivibrators

1.27 mm

125 Cel

-55 Cel

2

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

DUAL

R-PDSO-G16

3

6 V

1.75 mm

3.9 mm

Not Qualified

COMPLEMENTARY

2 V

NON-RETRIGGERABLE; TRIGGERABLE FROM CLEAR INPUT ALSO

e4

30

260

9.9 mm

HC/UH

M54HC423AF1R

STMicroelectronics

MONOSTABLE MULTIVIBRATOR

MILITARY

THROUGH-HOLE

16

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

2

CMOS

5

2/6

IN-LINE

DIP16,.3

Prescaler/Multivibrators

2.54 mm

125 Cel

-55 Cel

2

TIN LEAD

DUAL

R-GDIP-T16

6 V

5.08 mm

7.62 mm

Not Qualified

COMPLEMENTARY

2 V

RETRIGGERABLE

e0

HC/UH

T74LS221B1

STMicroelectronics

MONOSTABLE MULTIVIBRATOR

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

5

5

IN-LINE

DIP16,.3

Prescaler/Multivibrators

2.54 mm

70 Cel

0 Cel

DUAL

R-PDIP-T16

Not Qualified

M74HC123ATTR

STMicroelectronics

MONOSTABLE MULTIVIBRATOR

MILITARY

GULL WING

16

TSSOP

RECTANGULAR

PLASTIC/EPOXY

YES

2

CMOS

TR

4.5

2/6

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

TSSOP16,.25

315 ns

Prescaler/Multivibrators

.65 mm

125 Cel

-55 Cel

2

DUAL

R-PDSO-G16

6 V

1.2 mm

4.4 mm

Not Qualified

COMPLEMENTARY

2 V

RETRIGGERABLE; TRIGGERABLE FROM CLEAR INPUT ALSO

5 mm

HC/UH

HCC4538BKT

STMicroelectronics

MONOSTABLE MULTIVIBRATOR

MILITARY

FLAT

16

DFP

RECTANGULAR

100k Rad(Si)

CERAMIC, METAL-SEALED COFIRED

YES

2

CMOS

5

FLATPACK

1.27 mm

125 Cel

-55 Cel

DUAL

R-CDFP-F16

15 V

2.38 mm

6.91 mm

3 V

NOT SPECIFIED

NOT SPECIFIED

9.94 mm

4000/14000/40000

M74HC123C1

STMicroelectronics

MONOSTABLE MULTIVIBRATOR

INDUSTRIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

YES

2

CMOS

5

2/6

50 pF

CHIP CARRIER

LDCC20,.4SQ

60 ns

Prescaler/Multivibrators

1.27 mm

85 Cel

-40 Cel

2

TIN LEAD

QUAD

S-PQCC-J20

6 V

4.57 mm

8.9662 mm

Not Qualified

COMPLEMENTARY

2 V

RETRIGGERABLE; TRIGGERABLE FROM CLEAR INPUT ALSO

e0

8.9662 mm

HC/UH

M74HC294TTR

STMicroelectronics

PRESCALER

MILITARY

GULL WING

16

TSSOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

21000000 Hz

CMOS

TR

4.5

2/6

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

TSSOP16,.25

84 ns

Prescaler/Multivibrators

.65 mm

125 Cel

-55 Cel

2

DUAL

25 MHz

R-PDSO-G16

6 V

1.2 mm

4.4 mm

Not Qualified

2 V

SELECTABLE DIVISION RATIO 2 TO THE POWER OF 2 TO 2 TO THE POWER OF15

5 mm

HC/UH

M74HC292M1R

STMicroelectronics

PRESCALER

MILITARY

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

22000000 Hz

CMOS

4.5

2/6

50 pF

SMALL OUTLINE

SOP16,.25

105 ns

Prescaler/Multivibrators

1.27 mm

125 Cel

-55 Cel

2

NICKEL PALLADIUM GOLD

DUAL

21 MHz

R-PDSO-G16

6 V

1.75 mm

3.9 mm

Not Qualified

2 V

SELECTABLE DIVISION RATIO 2 TO THE POWER OF 2 TO 2 TO THE POWER OF 31

e4

9.9 mm

HC/UH

M54HC123AF1R

STMicroelectronics

MONOSTABLE MULTIVIBRATOR

MILITARY

THROUGH-HOLE

16

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

2

CMOS

5

2/6

50 pF

IN-LINE

DIP16,.3

63 ns

Prescaler/Multivibrators

2.54 mm

125 Cel

-55 Cel

2

TIN LEAD

DUAL

R-GDIP-T16

6 V

5.08 mm

7.62 mm

Not Qualified

COMPLEMENTARY

2 V

RETRIGGERABLE; TRIGGERABLE FROM CLEAR INPUT ALSO

e0

HC/UH

M74HC123TTR

STMicroelectronics

MONOSTABLE MULTIVIBRATOR

MILITARY

GULL WING

16

TSSOP

RECTANGULAR

PLASTIC/EPOXY

YES

2

CMOS

TR

4.5

2/6

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

TSSOP16,.25

315 ns

Prescaler/Multivibrators

.65 mm

125 Cel

-55 Cel

2

NICKEL PALLADIUM GOLD

DUAL

R-PDSO-G16

1

6 V

1.2 mm

4.4 mm

Not Qualified

COMPLEMENTARY

2 V

RETRIGGERABLE; TRIGGERABLE FROM CLEAR INPUT ALSO

e4

5 mm

HC/UH

HCC4047BDG

STMicroelectronics

MONOSTABLE MULTIVIBRATOR

THROUGH-HOLE

14

DIP

RECTANGULAR

100k Rad(Si)

CERAMIC, METAL-SEALED COFIRED

NO

1

CMOS

5

IN-LINE

125 Cel

-55 Cel

DUAL

R-CDIP-T14

15 V

3 V

NOT SPECIFIED

NOT SPECIFIED

4000/14000/40000

M54HC423F1

STMicroelectronics

MONOSTABLE MULTIVIBRATOR

MILITARY

THROUGH-HOLE

16

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

2

CMOS

5

2/6

50 pF

IN-LINE

DIP16,.3

72 ns

Prescaler/Multivibrators

2.54 mm

125 Cel

-55 Cel

2

TIN LEAD

DUAL

R-GDIP-T16

6 V

5 mm

8.89 mm

Not Qualified

COMPLEMENTARY

2 V

RETRIGGERABLE; MIN OUTPUT PULSE WIDTH = 118NS @ REXT = 1K OHM & CEXT = 0

e0

HC/UH

M74HC423AM1R

STMicroelectronics

MONOSTABLE MULTIVIBRATOR

MILITARY

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

2

CMOS

4.5

2/6

50 pF

SMALL OUTLINE

SOP16,.25

210 ns

Prescaler/Multivibrators

1.27 mm

125 Cel

-55 Cel

2

NICKEL PALLADIUM GOLD

DUAL

R-PDSO-G16

6 V

1.75 mm

3.9 mm

Not Qualified

COMPLEMENTARY

2 V

RETRIGGERABLE

e4

9.9 mm

HC/UH

M74HC4538B1N

STMicroelectronics

MONOSTABLE MULTIVIBRATOR

INDUSTRIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

2

CMOS

5

50 pF

IN-LINE

63 ns

2.54 mm

85 Cel

-40 Cel

2

DUAL

R-PDIP-T16

6 V

5.1 mm

7.62 mm

Not Qualified

COMPLEMENTARY

2 V

RETRIGGERABLE; MIN OUTPUT PULSE WIDTH = 140NS @ REXT = 1K OHM & CEXT = 12PF

HC/UH

M74HC294B1

STMicroelectronics

PRESCALER

INDUSTRIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

CMOS

2/6

IN-LINE

DIP16,.3

Prescaler/Multivibrators

2.54 mm

85 Cel

-40 Cel

Tin/Lead (Sn/Pb)

DUAL

R-PDIP-T16

Not Qualified

e0

M54HC7294F1R

STMicroelectronics

PRESCALER

MILITARY

THROUGH-HOLE

16

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

1

21000000 Hz

CMOS

5

2/6

50 pF

IN-LINE

DIP16,.3

84 ns

Prescaler/Multivibrators

2.54 mm

125 Cel

-55 Cel

2

TIN LEAD

DUAL

21 MHz

R-GDIP-T16

6 V

5.08 mm

7.62 mm

Not Qualified

2 V

SELECTABLE DIVISION RATIO 2 TO THE POWER OF 2 TO 2 TO THE POWER OF15

e0

19.304 mm

HC/UH

M74HC221AC1R

STMicroelectronics

MONOSTABLE MULTIVIBRATOR

INDUSTRIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

YES

2

CMOS

5

2/6

50 pF

CHIP CARRIER

LDCC20,.4SQ

53 ns

Prescaler/Multivibrators

1.27 mm

85 Cel

-40 Cel

2

MATTE TIN

QUAD

S-PQCC-J20

6 V

4.57 mm

8.965 mm

Not Qualified

COMPLEMENTARY

2 V

NON-RETRIGGERABLE; TRIGGERABLE FROM CLEAR INPUT ALSO

e3

8.965 mm

HC/UH

M54HC4538F1R

STMicroelectronics

MONOSTABLE MULTIVIBRATOR

MILITARY

THROUGH-HOLE

16

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

2

CMOS

5

2/6

50 pF

IN-LINE

DIP16,.3

75 ns

Prescaler/Multivibrators

2.54 mm

125 Cel

-55 Cel

2

TIN LEAD

DUAL

R-GDIP-T16

6 V

5.08 mm

7.62 mm

Not Qualified

COMPLEMENTARY

2 V

RETRIGGERABLE

e0

HC/UH

M74HC7292RM13TR

STMicroelectronics

PRESCALER

MILITARY

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

18000000 Hz

CMOS

TR

4.5

2/6

50 pF

SMALL OUTLINE

SOP16,.25

105 ns

Prescaler/Multivibrators

1.27 mm

125 Cel

-55 Cel

2

NICKEL PALLADIUM GOLD

DUAL

21 MHz

R-PDSO-G16

6 V

1.75 mm

3.9 mm

Not Qualified

2 V

SELECTABLE DIVISION RATIO 2 TO THE POWER OF 2 TO 2 TO THE POWER OF 31

e4

9.9 mm

HC/UH

M74HC292RM13TR

STMicroelectronics

PRESCALER

MILITARY

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

3400000 Hz

CMOS

TR

4.5

2/6

50 pF

SMALL OUTLINE

SOP16,.25

105 ns

Prescaler/Multivibrators

1.27 mm

125 Cel

-55 Cel

2

NICKEL PALLADIUM GOLD

DUAL

21 MHz

R-PDSO-G16

6 V

1.75 mm

3.9 mm

Not Qualified

2 V

SELECTABLE DIVISION RATIO 2 TO THE POWER OF 2 TO 2 TO THE POWER OF 31

e4

9.9 mm

HC/UH

M74HC4538TTR

STMicroelectronics

MONOSTABLE MULTIVIBRATOR

MILITARY

GULL WING

16

TSSOP

RECTANGULAR

PLASTIC/EPOXY

YES

2

CMOS

TR

4.5

2/6

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

TSSOP16,.25

375 ns

Prescaler/Multivibrators

.65 mm

125 Cel

-55 Cel

2

NICKEL PALLADIUM GOLD

DUAL

R-PDSO-G16

6 V

1.2 mm

4.4 mm

Not Qualified

COMPLEMENTARY

2 V

RETRIGGERABLE

e4

5 mm

HC/UH

M54HC292F1

STMicroelectronics

PRESCALER

MILITARY

THROUGH-HOLE

16

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

1

17000000 Hz

CMOS

2/6

IN-LINE

DIP16,.3

750 ns

Prescaler/Multivibrators

2.54 mm

125 Cel

-55 Cel

2

TIN LEAD

DUAL

20 MHz

R-GDIP-T16

6 V

5 mm

7.62 mm

Not Qualified

INVERTED

2 V

e0

HC/UH

Prescaler & Multivibrators

Prescalers and multivibrators are electronic circuits used in digital systems for various purposes.

A prescaler is a digital circuit that divides the frequency of an input signal by a certain factor to produce a lower frequency output signal. Prescalers are used in frequency synthesizers, where a high-frequency signal needs to be divided down to a lower frequency for further processing. Prescalers can be designed using various technologies, including TTL, CMOS, and FPGAs.

A multivibrator is a digital circuit that can generate a square wave output signal with a specified frequency and duty cycle. Multivibrators can be classified into two types: astable multivibrators and monostable multivibrators. Astable multivibrators can generate a continuous square wave output signal without any external triggering, while monostable multivibrators can generate a single pulse output signal in response to an external trigger signal.

Astable multivibrators are commonly used in digital systems to generate clock signals for synchronous circuits. They can also be used in digital signal processing applications, such as frequency modulation and pulse width modulation.

Monostable multivibrators are commonly used in digital systems to generate pulse signals for timing and control purposes. They can also be used in electronic circuits for pulse shaping and pulse stretching.

Prescalers and multivibrators are essential components of digital systems and can be found in many electronic devices, such as computers, mobile phones, and digital cameras.