COMMERCIAL Bus Driver & Transceivers 2,400+

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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 Translation 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 Control Type 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) No. of Outputs Peak Reflow Temperature (C) Length Family

SN74LS642FN

Texas Instruments

BUS TRANSCEIVER

COMMERCIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

YES

1

TTL

8

N/A

5

5

45 pF

CHIP CARRIER

LDCC20,.4SQ

25 ns

24 Amp

Bus Driver/Transceivers

1.27 mm

70 Cel

BIDIRECTIONAL

OPEN-COLLECTOR

0 Cel

QUAD

2

COMMON CONTROL

S-PQCC-J20

5.25 V

4.57 mm

8.9662 mm

Not Qualified

INVERTED

4.75 V

90 mA

WITH DIRECTION CONTROL

NOT SPECIFIED

NOT SPECIFIED

8.9662 mm

LS

SN74ALS654-1NTP1

Texas Instruments

REGISTERED BUS TRANSCEIVER

COMMERCIAL

THROUGH-HOLE

24

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

TTL

8

IN-LINE

DIP24,.3

48 Amp

Bus Driver/Transceivers

2.54 mm

70 Cel

BIDIRECTIONAL

OPEN-COLLECTOR/3-STATE

POSITIVE EDGE

0 Cel

DUAL

INDEPENDENT CONTROL

R-PDIP-T24

Not Qualified

TRUE

SN74LS241NP1

Texas Instruments

BUS DRIVER

COMMERCIAL

THROUGH-HOLE

20

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

2

TTL

4

5

5

IN-LINE

DIP20,.3

Bus Driver/Transceivers

2.54 mm

70 Cel

3-STATE

0 Cel

DUAL

ENABLE LOW/HIGH

R-PDIP-T20

Not Qualified

TRUE

SN74ALS240ADB

Texas Instruments

BUS DRIVER

COMMERCIAL

GULL WING

20

SSOP

RECTANGULAR

PLASTIC/EPOXY

YES

2

TTL

4

5

5

SMALL OUTLINE, SHRINK PITCH

SSOP20,.3

24 Amp

Bus Driver/Transceivers

.635 mm

70 Cel

3-STATE

0 Cel

NICKEL PALLADIUM GOLD

DUAL

ENABLE LOW

R-PDSO-G20

1

Not Qualified

INVERTED

25 mA

e4

30

260

SN74ALS843DWE4

Texas Instruments

BUS DRIVER

COMMERCIAL

GULL WING

24

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

TTL

9

TUBE

5

5

50 pF

SMALL OUTLINE

SOP24,.4

26 ns

24 Amp

FF/Latches

1.27 mm

70 Cel

3-STATE

0 Cel

NICKEL PALLADIUM GOLD

DUAL

2

R-PDSO-G24

1

5.5 V

2.65 mm

7.5 mm

Not Qualified

TRUE

4.5 V

67 mA

WITH CLEAR AND PRESET

e4

30

260

15.4 mm

ALS

SN74LS242N

Texas Instruments

BUS TRANSCEIVER

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

4

TTL

4

N/A

5

5

45 pF

IN-LINE

DIP14,.3

18 ns

Bus Driver/Transceivers

2.54 mm

70 Cel

BIDIRECTIONAL

3-STATE

0 Cel

DUAL

2

INDEPENDENT CONTROL

R-PDIP-T14

5.25 V

5.08 mm

7.62 mm

Not Qualified

TRUE

4.75 V

50 mA

WITH INDEPENDENT OUTPUT ENABLE FOR EACH DIRECTION

NOT SPECIFIED

NOT SPECIFIED

19.305 mm

LS

SN74LS440FN

Texas Instruments

BUS EXCHANGER

COMMERCIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

YES

1

TTL

4

5

5

45 pF

CHIP CARRIER

LDCC20,.4SQ

30 ns

Other Logic ICs

1.27 mm

70 Cel

OPEN-COLLECTOR

0 Cel

QUAD

3

S-PQCC-J20

5.25 V

4.57 mm

8.9662 mm

Not Qualified

TRUE

4.75 V

90 mA

UNIVERSAL EXCHANGER

NOT SPECIFIED

NOT SPECIFIED

8.9662 mm

LS

SN74AS29822DW

Texas Instruments

BUS DRIVER

COMMERCIAL

GULL WING

24

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

TTL

10

5

SMALL OUTLINE

SOP24,.4

FF/Latches

1.27 mm

70 Cel

3-STATE

POSITIVE EDGE

0 Cel

DUAL

2

R-PDSO-G24

2.65 mm

7.5 mm

Not Qualified

INVERTED

POWER OFF DISABLE OUTPUTS TO PERMIT LIVE INSERTION

NOT SPECIFIED

NOT SPECIFIED

15.4 mm

AS

SN74ALS1243-1N

Texas Instruments

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

TTL

4

N/A

5

5

IN-LINE

DIP14,.3

24 Amp

Bus Driver/Transceivers

2.54 mm

70 Cel

BIDIRECTIONAL

3-STATE

0 Cel

DUAL

INDEPENDENT CONTROL

R-PDIP-T14

Not Qualified

TRUE

14 mA

NOT SPECIFIED

NOT SPECIFIED

SN74ALS242A-1J4

Texas Instruments

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

CERAMIC

NO

1

TTL

4

5

5

IN-LINE

DIP14,.3

48 Amp

Bus Driver/Transceivers

2.54 mm

70 Cel

BIDIRECTIONAL

3-STATE

0 Cel

DUAL

INDEPENDENT CONTROL

R-XDIP-T14

INVERTED

21 mA

SN74BCT533N

Texas Instruments

BUS DRIVER

COMMERCIAL

THROUGH-HOLE

20

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

BICMOS

8

5

5

IN-LINE

DIP20,.3

8.6 ns

FF/Latches

2.54 mm

70 Cel

3-STATE

0 Cel

DUAL

2

R-PDIP-T20

5.5 V

5.08 mm

7.62 mm

Not Qualified

INVERTED

4.5 V

NOT SPECIFIED

NOT SPECIFIED

25.4 mm

BCT/FBT

SN74AS534FN-00

Texas Instruments

BUS DRIVER

COMMERCIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

YES

1

TTL

8

5

50 pF

CHIP CARRIER

9 ns

1.27 mm

70 Cel

3-STATE

0 Cel

QUAD

2

S-PQCC-J20

5.5 V

4.57 mm

8.9662 mm

Not Qualified

INVERTED

4.5 V

128 mA

8.9662 mm

AS

SN74ALS29854DWR

Texas Instruments

BUS TRANSCEIVER

COMMERCIAL

GULL WING

24

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

TTL

8

N/A

TR

5

300 pF

SMALL OUTLINE

SOP24,.4

13 ns

48 Amp

Bus Driver/Transceivers

1.27 mm

70 Cel

BIDIRECTIONAL

3-STATE

0 Cel

DUAL

2

INDEPENDENT CONTROL

R-PDSO-G24

5.25 V

2.65 mm

7.5 mm

Not Qualified

INVERTED

4.75 V

100 mA

PARITY GENERATION A TO B; ERROR DETECTION B TO A; ODD PARITY

NOT SPECIFIED

NOT SPECIFIED

15.4 mm

ALS

SN74LS442NE4

Texas Instruments

BUS EXCHANGER

COMMERCIAL

THROUGH-HOLE

20

DIP

RECTANGULAR

UNSPECIFIED

NO

1

TTL

4

5

5

45 pF

IN-LINE

DIP20,.3

20 ns

Other Logic ICs

2.54 mm

70 Cel

3-STATE

0 Cel

DUAL

3

R-XDIP-T20

5.25 V

5.08 mm

7.62 mm

Not Qualified

TRUE

4.5 V

90 mA

UNIVERSAL EXCHANGER

NOT SPECIFIED

NOT SPECIFIED

24.325 mm

LS

SN74ALS245A-1DWRE4

Texas Instruments

BUS TRANSCEIVER

COMMERCIAL

GULL WING

20

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

TTL

8

N/A

TR

5

5

50 pF

SMALL OUTLINE

SOP20,.4

10 ns

48 Amp

Bus Driver/Transceivers

1.27 mm

70 Cel

BIDIRECTIONAL

3-STATE

0 Cel

NICKEL PALLADIUM GOLD

DUAL

2

COMMON CONTROL

R-PDSO-G20

1

5.5 V

2.65 mm

7.5 mm

Not Qualified

TRUE

4.5 V

55 mA

WITH DIRECTION CONTROL,84030012A,8403001RA,8403001SA IS DELETED FOR SUBGROUP FIX

e4

30

260

12.8 mm

ALS

SN74ALS29826FN

Texas Instruments

BUS DRIVER

COMMERCIAL

J BEND

28

QCCJ

SQUARE

PLASTIC/EPOXY

YES

1

TTL

8

5

5

CHIP CARRIER

LDCC28,.5SQ

FF/Latches

1.27 mm

70 Cel

3-STATE

POSITIVE EDGE

0 Cel

QUAD

2

S-PQCC-J28

5.25 V

4.57 mm

11.5062 mm

Not Qualified

INVERTED

4.75 V

CLEAR AND CLOCK ENABLE; TRIPLE OUTPUT ENABLE

NOT SPECIFIED

NOT SPECIFIED

11.5062 mm

ALS

SN74ALS1640N

Texas Instruments

COMMERCIAL

THROUGH-HOLE

20

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

TTL

8

5

5

IN-LINE

DIP20,.3

16 Amp

Bus Driver/Transceivers

2.54 mm

70 Cel

BIDIRECTIONAL

3-STATE

0 Cel

DUAL

COMMON CONTROL

R-PDIP-T20

Not Qualified

INVERTED

SN74ALS623-1N

Texas Instruments

COMMERCIAL

THROUGH-HOLE

20

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

TTL

8

5

5

IN-LINE

DIP20,.3

48 Amp

Bus Driver/Transceivers

2.54 mm

70 Cel

BIDIRECTIONAL

3-STATE

0 Cel

DUAL

INDEPENDENT CONTROL

R-PDIP-T20

Not Qualified

TRUE

SN74ALS1240DWR

Texas Instruments

BUS DRIVER

COMMERCIAL

GULL WING

20

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

2

TTL

4

5

5

50 pF

SMALL OUTLINE

SOP20,.4

13 ns

16 Amp

Bus Driver/Transceivers

1.27 mm

70 Cel

3-STATE

0 Cel

DUAL

2

ENABLE LOW

R-PDSO-G20

5.5 V

2.65 mm

7.5 mm

Not Qualified

INVERTED

4.5 V

14 mA

NOT SPECIFIED

NOT SPECIFIED

12.8 mm

ALS

SN74ALS466AFN-00

Texas Instruments

BUS DRIVER

COMMERCIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

YES

1

TTL

8

5

50 pF

CHIP CARRIER

9 ns

1.27 mm

70 Cel

3-STATE

0 Cel

QUAD

2

S-PQCC-J20

5.5 V

4.57 mm

8.9662 mm

Not Qualified

INVERTED

4.5 V

24 mA

WITH DUAL OUTPUT ENABLE

8.9662 mm

ALS

SN74AS874NT

Texas Instruments

BUS DRIVER

COMMERCIAL

THROUGH-HOLE

24

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

2

125000000 Hz

TTL

4

TUBE

5

5

50 pF

IN-LINE

DIP24,.3

10.5 ns

48 Amp

FF/Latches

2.54 mm

70 Cel

3-STATE

POSITIVE EDGE

0 Cel

NICKEL PALLADIUM GOLD

DUAL

2

R-PDIP-T24

5.5 V

5.08 mm

7.62 mm

Not Qualified

TRUE

4.5 V

149 mA

WITH CLEAR

e4

31.64 mm

AS

SN74ALS1622FN-00

Texas Instruments

BUS TRANSCEIVER

COMMERCIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

YES

1

TTL

8

5

CHIP CARRIER

1.27 mm

70 Cel

OPEN-COLLECTOR

0 Cel

QUAD

2

S-PQCC-J20

5.5 V

4.57 mm

8.9662 mm

Not Qualified

INVERTED

4.5 V

WITH INDEPENDENT OUTPUT ENABLE FOR EACH DIRECTION

8.9662 mm

ALS

SN74BCT2244NSRE4

Texas Instruments

BUS DRIVER

COMMERCIAL

GULL WING

20

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

2

BICMOS

4

TR

5

5

50 pF

SMALL OUTLINE

SOP20,.3

6.7 ns

12 Amp

Bus Driver/Transceivers

1.27 mm

70 Cel

3-STATE WITH SERIES RESISTOR

0 Cel

DUAL

2

ENABLE LOW

R-PDSO-G20

5.5 V

2 mm

5.3 mm

Not Qualified

TRUE

4.5 V

77 mA

33 OHM OUTPUT SERIES RESISTOR

NOT SPECIFIED

NOT SPECIFIED

12.6 mm

BCT/FBT

SN74AS845NT3

Texas Instruments

BUS DRIVER

COMMERCIAL

THROUGH-HOLE

24

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

TTL

8

5

50 pF

IN-LINE

DIP24,.3

12 ns

FF/Latches

2.54 mm

70 Cel

3-STATE

0 Cel

DUAL

2

R-PDIP-T24

5.5 V

5.08 mm

7.62 mm

Not Qualified

TRUE

4.5 V

85 mA

WITH TRIPLE OUTPUT ENABLE; WITH CLEAR AND PRESET; POWER OFF DISABLE OUTPUTS TO PERMIT LIVE INSERTION

NOT SPECIFIED

NOT SPECIFIED

31.64 mm

AS

SN74ALS244ANP1

Texas Instruments

BUS DRIVER

COMMERCIAL

THROUGH-HOLE

20

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

2

TTL

4

5

5

IN-LINE

DIP20,.3

24 Amp

Bus Driver/Transceivers

2.54 mm

70 Cel

3-STATE

0 Cel

DUAL

ENABLE LOW

R-PDIP-T20

Not Qualified

TRUE

27 mA

SN74LS125ADBRG4

Texas Instruments

BUS DRIVER

COMMERCIAL

GULL WING

14

SSOP

RECTANGULAR

PLASTIC/EPOXY

YES

4

TTL

1

TR

5

5

45 pF

SMALL OUTLINE, SHRINK PITCH

SSOP14,.3

18 ns

24 Amp

Bus Driver/Transceivers

.65 mm

70 Cel

3-STATE

0 Cel

NICKEL PALLADIUM GOLD

DUAL

2

ENABLE LOW

R-PDSO-G14

1

5.25 V

2 mm

5.3 mm

Not Qualified

TRUE

4.75 V

20 mA

e4

30

260

6.2 mm

LS

SN74AS240ANSRG4

Texas Instruments

BUS DRIVER

COMMERCIAL

GULL WING

20

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

2

TTL

4

TR

5

5

SMALL OUTLINE

SOP20,.3

6.5 ns

64 Amp

Bus Driver/Transceivers

1.27 mm

70 Cel

3-STATE

0 Cel

NICKEL PALLADIUM GOLD

DUAL

2

ENABLE LOW

R-PDSO-G20

1

5.5 V

2 mm

5.3 mm

Not Qualified

INVERTED

4.5 V

75 mA

e4

30

260

12.6 mm

AS

SN74BCT241N

Texas Instruments

BUS DRIVER

COMMERCIAL

THROUGH-HOLE

20

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

2

BICMOS

4

TUBE

5

5

50 pF

IN-LINE

DIP20,.3

5.9 ns

64 Amp

Bus Driver/Transceivers

2.54 mm

70 Cel

3-STATE

0 Cel

NICKEL PALLADIUM GOLD

DUAL

2

ENABLE LOW/HIGH

R-PDIP-T20

5.5 V

5.08 mm

7.62 mm

Not Qualified

TRUE

4.5 V

85 mA

OUTPUT ENABLE ACTIVE HIGH FOR ONE FUNCTION

e4

24.325 mm

BCT/FBT

SN74ALS240-1NP3

Texas Instruments

BUS DRIVER

COMMERCIAL

THROUGH-HOLE

20

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

2

TTL

4

5

5

IN-LINE

DIP20,.3

48 Amp

Bus Driver/Transceivers

2.54 mm

70 Cel

3-STATE

0 Cel

DUAL

ENABLE LOW

R-PDIP-T20

INVERTED

25 mA

SN74LS645-1NP1

Texas Instruments

COMMERCIAL

THROUGH-HOLE

20

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

TTL

8

N/A

5

5

IN-LINE

DIP20,.3

48 Amp

Bus Driver/Transceivers

2.54 mm

70 Cel

BIDIRECTIONAL

3-STATE

0 Cel

DUAL

COMMON CONTROL

R-PDIP-T20

Not Qualified

TRUE

NOT SPECIFIED

NOT SPECIFIED

SN74BCT126AW

Texas Instruments

BUS DRIVER

COMMERCIAL

FLAT

14

DFP

RECTANGULAR

CERAMIC, GLASS-SEALED

YES

4

BICMOS

1

5

FLATPACK

7.4 ns

1.27 mm

70 Cel

3-STATE

0 Cel

DUAL

2

R-GDFP-F14

5.5 V

2.03 mm

6.29 mm

Not Qualified

TRUE

4.5 V

9.21 mm

BCT/FBT

SN74GTL16821DGG

Texas Instruments

BUS DRIVER

COMMERCIAL

GULL WING

56

TSSOP

RECTANGULAR

PLASTIC/EPOXY

YES

2

BICMOS

10

3.3

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

.5 mm

70 Cel

OPEN-COLLECTOR

0 Cel

DUAL

2

R-PDSO-G56

3.6 V

1.2 mm

6.1 mm

Not Qualified

TRUE

3 V

GTL I/O LEVELS; NOM VREF = 0.8V

14 mm

GTL/TVC

SN74F543DBRE4

Texas Instruments

REGISTERED BUS TRANSCEIVER

COMMERCIAL

GULL WING

24

SSOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

TTL

8

N/A

TR

5

5

50 pF

SMALL OUTLINE, SHRINK PITCH

SSOP24,.3

12.5 ns

64 Amp

Bus Driver/Transceivers

.65 mm

70 Cel

BIDIRECTIONAL

3-STATE

0 Cel

NICKEL PALLADIUM GOLD

DUAL

2

INDEPENDENT CONTROL

R-PDSO-G24

1

5.5 V

2 mm

5.3 mm

Not Qualified

TRUE

4.5 V

125 mA

IOL = 24MA @ VOL = 0.5V FOR PORT A; IOH = 3MA @ VOH = 2.4V FOR PORT A

e4

30

260

8.2 mm

F/FAST

SN74ALS245A-1J4

Texas Instruments

COMMERCIAL

THROUGH-HOLE

20

DIP

RECTANGULAR

CERAMIC

NO

1

TTL

8

N/A

5

5

IN-LINE

DIP20,.3

48 Amp

Bus Driver/Transceivers

2.54 mm

70 Cel

BIDIRECTIONAL

3-STATE

0 Cel

DUAL

COMMON CONTROL

R-XDIP-T20

TRUE

NOT SPECIFIED

NOT SPECIFIED

SN74BCT2827CNSRG4

Texas Instruments

BUS DRIVER

COMMERCIAL

GULL WING

24

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

BICMOS

10

TR

5

5

50 pF

SMALL OUTLINE

SOP24,.3

7.8 ns

12 Amp

Bus Driver/Transceivers

1.27 mm

70 Cel

3-STATE WITH SERIES RESISTOR

0 Cel

DUAL

2

ENABLE LOW

R-PDSO-G24

5.5 V

2 mm

5.3 mm

Not Qualified

TRUE

4.5 V

40 mA

NOT SPECIFIED

NOT SPECIFIED

15 mm

BCT/FBT

SN74ALS230N

Texas Instruments

BUS DRIVER

COMMERCIAL

THROUGH-HOLE

20

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

2

TTL

4

5

IN-LINE

DIP20,.3

24 Amp

Bus Driver/Transceivers

2.54 mm

70 Cel

3-STATE

0 Cel

DUAL

2

ENABLE LOW

R-PDIP-T20

5.5 V

5.08 mm

7.62 mm

Not Qualified

TRUE

4.5 V

ONE FUNCTION WITH INVERTED OUTPUTS

NOT SPECIFIED

NOT SPECIFIED

24.325 mm

ALS

SN74AS623DW3

Texas Instruments

COMMERCIAL

GULL WING

20

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

TTL

8

SMALL OUTLINE

SOP20,.4

Bus Driver/Transceivers

1.27 mm

70 Cel

BIDIRECTIONAL

3-STATE

0 Cel

DUAL

INDEPENDENT CONTROL

R-PDSO-G20

TRUE

SN74AS652NTP1

Texas Instruments

REGISTERED BUS TRANSCEIVER

COMMERCIAL

THROUGH-HOLE

24

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

TTL

8

5

5

IN-LINE

DIP24,.3

Bus Driver/Transceivers

2.54 mm

70 Cel

BIDIRECTIONAL

3-STATE

POSITIVE EDGE

0 Cel

DUAL

INDEPENDENT CONTROL

R-PDIP-T24

Not Qualified

TRUE

SN74BCT244DWG4

Texas Instruments

BUS DRIVER

COMMERCIAL

GULL WING

20

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

2

BICMOS

4

5

5

SMALL OUTLINE

SOP20,.4

5.5 ns

64 Amp

Bus Driver/Transceivers

1.27 mm

70 Cel

3-STATE

0 Cel

NICKEL PALLADIUM GOLD

DUAL

2

ENABLE LOW

R-PDSO-G20

1

5.5 V

2.65 mm

7.5 mm

Not Qualified

TRUE

4.5 V

e4

30

260

12.8 mm

BCT/FBT

SN74ALS639ADW

Texas Instruments

BUS TRANSCEIVER

COMMERCIAL

GULL WING

20

SOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

1

TTL

8

N/A

TUBE

5

5

50 pF

SMALL OUTLINE

SOP20,.4

30 ns

24 Amp

Bus Driver/Transceivers

1.27 mm

70 Cel

BIDIRECTIONAL

3-STATE

0 Cel

NICKEL PALLADIUM GOLD

DUAL

2

COMMON CONTROL

R-PDSO-G20

1

5.5 V

2.65 mm

7.5 mm

Not Qualified

TRUE

4.5 V

54 mA

WITH DIRECTION CONTROL

e4

30

260

12.8 mm

ALS

SN74ALS614-1NT

Texas Instruments

REGISTERED BUS TRANSCEIVER

COMMERCIAL

THROUGH-HOLE

24

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

TTL

8

IN-LINE

DIP24,.3

48 Amp

Bus Driver/Transceivers

2.54 mm

70 Cel

BIDIRECTIONAL

OPEN-COLLECTOR

POSITIVE EDGE

0 Cel

DUAL

INDEPENDENT CONTROL

R-PDIP-T24

Not Qualified

INVERTED

70 mA

SN74LS243DR

Texas Instruments

BUS TRANSCEIVER

COMMERCIAL

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

4

TTL

4

N/A

TR

5

5

45 pF

SMALL OUTLINE

SOP14,.25

18 ns

24 Amp

Bus Driver/Transceivers

1.27 mm

70 Cel

BIDIRECTIONAL

3-STATE

0 Cel

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

DUAL

2

INDEPENDENT CONTROL

R-PDSO-G14

1

5.25 V

1.75 mm

3.9 mm

Not Qualified

TRUE

4.75 V

50 mA

WITH INDEPENDENT OUTPUT ENABLE FOR EACH DIRECTION

e4

NOT SPECIFIED

260

8.65 mm

LS

SN74BCT29861ADW-00

Texas Instruments

BUS TRANSCEIVER

COMMERCIAL

GULL WING

24

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

BICMOS

10

5

50 pF

SMALL OUTLINE

8 ns

1.27 mm

70 Cel

3-STATE

0 Cel

DUAL

2

R-PDSO-G24

5.5 V

2.65 mm

7.5 mm

Not Qualified

TRUE

4.5 V

45 mA

WITH INDEPENDENT OUTPUT ENABLE FOR EACH DIRECTION

15.4 mm

BCT/FBT

SN74LS638N3

Texas Instruments

COMMERCIAL

THROUGH-HOLE

20

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

TTL

8

N/A

IN-LINE

DIP20,.3

Bus Driver/Transceivers

2.54 mm

70 Cel

BIDIRECTIONAL

OPEN-COLLECTOR/3-STATE

0 Cel

DUAL

COMMON CONTROL

R-PDIP-T20

INVERTED

NOT SPECIFIED

NOT SPECIFIED

SN74ALS1245ADW3

Texas Instruments

COMMERCIAL

GULL WING

20

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

TTL

8

5

5

SMALL OUTLINE

SOP20,.4

16 Amp

Bus Driver/Transceivers

1.27 mm

70 Cel

BIDIRECTIONAL

3-STATE

0 Cel

DUAL

COMMON CONTROL

R-PDSO-G20

TRUE

SN74ALS1242DP3

Texas Instruments

COMMERCIAL

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

TTL

4

5

5

SMALL OUTLINE

SOP14,.25

16 Amp

Bus Driver/Transceivers

1.27 mm

70 Cel

BIDIRECTIONAL

3-STATE

0 Cel

DUAL

INDEPENDENT CONTROL

R-PDSO-G14

INVERTED

15 mA

SN74AS652DWE4

Texas Instruments

REGISTERED BUS TRANSCEIVER

COMMERCIAL

GULL WING

24

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

TTL

8

N/A

5

5

50 pF

SMALL OUTLINE

SOP24,.4

9 ns

48 Amp

Bus Driver/Transceivers

1.27 mm

70 Cel

BIDIRECTIONAL

3-STATE

POSITIVE EDGE

0 Cel

NICKEL PALLADIUM GOLD

DUAL

2

INDEPENDENT CONTROL

R-PDSO-G24

1

5.5 V

2.65 mm

7.5 mm

Not Qualified

TRUE

4.5 V

211 mA

SELECT INPUT FOR MULTIPLEXED TRANSMISSION OF REGISTERED/REAL TIME DATA

e4

30

260

15.4 mm

AS

SN74AS2623DW

Texas Instruments

BUS TRANSCEIVER

COMMERCIAL

GULL WING

20

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

TTL

8

N/A

5

50 pF

SMALL OUTLINE

SOP20,.4

7.5 ns

12 Amp

Bus Driver/Transceivers

1.27 mm

70 Cel

BIDIRECTIONAL

3-STATE WITH SERIES RESISTOR

0 Cel

DUAL

2

INDEPENDENT CONTROL

R-PDSO-G20

5.5 V

2.65 mm

7.5 mm

Not Qualified

TRUE

4.5 V

189 mA

WITH INDEPENDENT OUTPUT ENABLE FOR EACH DIRECTION; 25 OHM OUTPUT SERIES RESISTOR

NOT SPECIFIED

NOT SPECIFIED

12.8 mm

AS

Bus Driver & Transceivers

A bus driver is an electronic component that manages communication between different components or devices in a computer system. It serves as an intermediary between the CPU and other components, such as memory, input/output devices, and expansion cards. The bus driver receives signals from the CPU and routes them to the appropriate component based on the address and control signals provided.

The bus driver also manages the timing of data transfer between components and ensures that the data is transferred at the correct speed and in the correct format. It may also perform error checking and correction to ensure that the data is transferred accurately.

Transceivers, on the other hand, are electronic devices that transmit and receive data signals over a communication channel. They are commonly used in telecommunications, networking, and computer systems. Transceivers can be either analog or digital and may transmit data using various modulation schemes, such as amplitude modulation (AM), frequency modulation (FM), or phase modulation (PM).

In computer systems, transceivers are commonly used to transmit and receive data over network cables, such as Ethernet cables or fiber optic cables. They may also be used to transmit and receive data over wireless networks, such as Wi-Fi or Bluetooth.

Transceivers typically include a transmitter, a receiver, and a signal processing unit that modulates and demodulates the data signals. They may also include error correction and signal amplification circuitry to improve the quality of the transmitted data.