N/A

-

活跃

National Semiconductor

Bulk

*

N/A

-

活跃

National Semiconductor

Bulk

*

N/A

-

表面贴装

74HCT257

活跃

16-SOIC (0.154, 3.90mm Width)

16-SOIC

National Semiconductor

Bulk

-55°C ~ 125°C

74HCT

Multiplexer

4.5V ~ 5.5V

4 x 2:1

6mA, 6mA

单电源

1

N/A

-

活跃

National Semiconductor

Bulk

*

N/A

-

Obsolete

NATIONAL SEMICONDUCTOR CORP

DIP, DIP14,.3

15 pF

70 °C

PLASTIC/EPOXY

DIP

DIP14,.3

RECTANGULAR

IN-LINE

5 V

NO

14

无

e0

锡铅

RETRIGGERABLE; TRIGGERABLE FROM CLEAR INPUT ALSO

8542.39.00.01

DUAL

THROUGH-HOLE

1

2.54 mm

unknown

R-PDIP-T14

不合格

5.25 V

COMMERCIAL

4.75 V

TTL/H/L

5.08 mm

COMPLEMENTARY

MONOSTABLE MULTIVIBRATOR

40 ns

28 mA

4

19.18 mm

7.62 mm

N/A

-

Obsolete

NATIONAL SEMICONDUCTOR CORP

SOP, SOP16,.25

50 pF

85 °C

-40 °C

PLASTIC/EPOXY

SOP

SOP16,.25

RECTANGULAR

小概要

5 V

YES

16

无

e0

锡铅

8542.39.00.01

DUAL

鸥翼

4

1.27 mm

unknown

R-PDSO-G16

1

不合格

5.5 V

INDUSTRIAL

4.5 V

HCT

2

1.75 mm

INVERTED

MULTIPLEXER

34 ns

9.9 mm

3.9 mm

N/A

-

N/A

-

Obsolete

NATIONAL SEMICONDUCTOR CORP

DIP, DIP16,.3

125 °C

-55 °C

CERAMIC

DIP

DIP16,.3

RECTANGULAR

IN-LINE

NO

16

无

e0

Tin/Lead (Sn/Pb)

8542.39.00.01

DUAL

THROUGH-HOLE

2.54 mm

unknown

R-XDIP-T16

不合格

MILITARY

MONOSTABLE MULTIVIBRATOR

38535Q/M;38534H;883B

N/A

-

Obsolete

NATIONAL SEMICONDUCTOR CORP

DIP, DIP16,.3

125 °C

-55 °C

CERAMIC

DIP

DIP16,.3

RECTANGULAR

IN-LINE

5 V

NO

16

无

e0

Tin/Lead (Sn/Pb)

8542.39.00.01

DUAL

THROUGH-HOLE

4

2.54 mm

compliant

R-XDIP-T16

1

不合格

5.5 V

MILITARY

4.5 V

S

2

TRUE

MULTIPLEXER

38535Q/M;38534H;883B

10 ns

N/A

-

Obsolete

NATIONAL SEMICONDUCTOR CORP

DIP, DIP16,.3

50 pF

CERAMIC, GLASS-SEALED

DIP

DIP16,.3

RECTANGULAR

IN-LINE

4.5 V

-55 °C

125 °C

NO

16

无

e0

EAR99

锡铅

地址锁存器

8542.39.00.01

DUAL

THROUGH-HOLE

1

2.54 mm

unknown

R-GDIP-T16

不合格

6 V

MILITARY

2 V

HC/UH

5.08 mm

TRUE

3-LINE TO 8-LINE DECODER

350 ns

LATCHED

19.43 mm

7.62 mm

N/A

-

Obsolete

NATIONAL SEMICONDUCTOR CORP

125 °C

-55 °C

CERAMIC

DIP

DIP24,.6

RECTANGULAR

IN-LINE

5 V

NO

24

无

e0

Tin/Lead (Sn/Pb)

8542.39.00.01

DUAL

THROUGH-HOLE

1

2.54 mm

compliant

R-XDIP-T24

1

不合格

15 V

MILITARY

3 V

CMOS

16

INVERTED

MULTIPLEXER

38535Q/M;38534H;883B

650 ns

N/A

-

Obsolete

NATIONAL SEMICONDUCTOR CORP

DIP, DIP16,.3

125 °C

-55 °C

CERAMIC, GLASS-SEALED

DIP

DIP16,.3

RECTANGULAR

IN-LINE

5 V

NO

16

无

e0

EAR99

锡铅

8542.39.00.01

DUAL

THROUGH-HOLE

2

2.54 mm

unknown

R-GDIP-T16

不合格

5.5 V

MILITARY

4.5 V

TTL/H/L

5.08 mm

INVERTED

2-LINE TO 4-LINE DECODER

0.016 A

27 ns

MIL-STD-883 Class B

32 ns

35 mA

STANDARD

19.43 mm

7.62 mm

N/A

-

Obsolete

NATIONAL SEMICONDUCTOR CORP

DIP, DIP16,.3

125 °C

-55 °C

CERAMIC, GLASS-SEALED

DIP

DIP16,.3

RECTANGULAR

IN-LINE

5 V

NO

16

无

e0

锡铅

8542.39.00.01

DUAL

THROUGH-HOLE

2

2.54 mm

unknown

R-GDIP-T16

不合格

5.5 V

MILITARY

4.5 V

54

5.08 mm

COMPLEMENTARY

MONOSTABLE MULTIVIBRATOR

40 ns

2

7.62 mm

N/A

-

Obsolete

NATIONAL SEMICONDUCTOR CORP

DIP-16

70 °C

PLASTIC/EPOXY

DIP

DIP16,.3

RECTANGULAR

IN-LINE

5 V

NO

16

无

e0

Tin/Lead (Sn/Pb)

8542.39.00.01

DUAL

THROUGH-HOLE

1

2.54 mm

unknown

R-PDIP-T16

不合格

COMMERCIAL

8

MULTIPLEXER

0.016 A

35 ns

44 mA

N/A

-

Obsolete

NATIONAL SEMICONDUCTOR CORP

DIP, DIP16,.3

125 °C

-55 °C

CERAMIC

DIP

DIP16,.3

RECTANGULAR

IN-LINE

5 V

NO

16

无

e0

Tin/Lead (Sn/Pb)

DUAL

THROUGH-HOLE

1

2.54 mm

unknown

R-XDIP-T16

不合格

5.5 V

MILITARY

4.5 V

TTL/H/L

INVERTED

DECIMAL DECODER/DRIVER

49.5 ns

STANDARD

N/A

-

N/A

-

NATIONAL SEMICONDUCTOR CORP

4.40 MM, PLASTIC, TSSOP-16

50 pF

85 °C

-40 °C

PLASTIC/EPOXY

TSSOP

RECTANGULAR

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

3.3 V

YES

16

8.80

Transferred

42*28*18.5/500

DUAL

鸥翼

4

0.65 mm

unknown

R-PDSO-G16

1

不合格

3.6 V

INDUSTRIAL

2 V

LV/LV-A/LVX/H

2

1.1 mm

TRUE

MULTIPLEXER

16.5 ns

5 mm

4.4 mm

N/A

-

Obsolete

NATIONAL SEMICONDUCTOR CORP

DIP, DIP16,.3

50 pF

125 °C

-55 °C

CERAMIC, GLASS-SEALED

DIP

DIP16,.3

RECTANGULAR

IN-LINE

5 V

NO

16

无

e0

EAR99

锡铅

3 ENABLE INPUTS

8542.39.00.01

TUBE

DUAL

THROUGH-HOLE

1

2.54 mm

unknown

R-GDIP-T16

不合格

5.5 V

MILITARY

4.5 V

ACT

5.08 mm

INVERTED

3-LINE TO 8-LINE DECODER

0.024 A

12.5 ns

MIL-STD-883 Class B

12.5 ns

STANDARD

19.43 mm

7.62 mm

N/A

-

N/A

-

Obsolete

NATIONAL SEMICONDUCTOR CORP

70 °C

CERAMIC

DIP

DIP24,.6

RECTANGULAR

IN-LINE

5 V

NO

24

无

e0

Tin/Lead (Sn/Pb)

8542.39.00.01

DUAL

THROUGH-HOLE

1

2.54 mm

compliant

R-XDIP-T24

1

不合格

5.25 V

COMMERCIAL

4.75 V

TTL/H/L

16

3-STATE

INVERTED

MULTIPLEXER

0.016 A

35 ns

20 ns

68 mA

N/A

-

NATIONAL SEMICONDUCTOR CORP

PLASTIC, SO-16

50 pF

85 °C

-40 °C

PLASTIC/EPOXY

SOP

RECTANGULAR

小概要

5 V

YES

16

Obsolete

DUAL

鸥翼

4

1.27 mm

unknown

R-PDSO-G16

1

不合格

5.5 V

INDUSTRIAL

4.5 V

HCT

2

1.75 mm

TRUE

MULTIPLEXER

34 ns

9.9 mm

3.9 mm

N/A

-

N/A

-

Obsolete

NATIONAL SEMICONDUCTOR CORP

SOP, SOP16,.25

15 pF

70 °C

PLASTIC/EPOXY

SOP

SOP16,.25

RECTANGULAR

小概要

5 V

YES

16

无

e0

EAR99

锡铅

8542.39.00.01

DUAL

鸥翼

1

1.27 mm

unknown

R-PDSO-G16

不合格

5.25 V

COMMERCIAL

4.75 V

LS

1.75 mm

INVERTED

DECIMAL DECODER/DRIVER

0.008 A

35 ns

35 ns

13 mA

STANDARD

9.9 mm

3.9 mm

N/A

-

表面贴装

-55C to 125C

CFPAK

Military

无

5(V)

4.5(V)

5.5(V)

LS

1

Single-Ended

1

0

NO

BIPOLAR

1

SINGLE-ENDED

14@5V

Mux

Rail/Tube

16

4

Non-Inverting

4 x 2:1

8

-0.4(mA)

4(mA)

16(mA)

N/A

-

通孔

74F153

活跃

16-DIP (0.300, 7.62mm)

16-PDIP

National Semiconductor

Bulk

0°C ~ 70°C (TA)

74F

Multiplexer

4.5V ~ 5.5V

2 x 4:1

20mA, 1mA

单电源

1