COMMERCIAL Network Interfaces 632

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Part RoHS Manufacturer Telecom IC Type Temperature Grade Terminal Form No. of Terminals Package Code Package Shape Total Dose (V) Package Body Material Surface Mount No. of Functions No. of Channels Technology Screening Level Nominal Negative Supply Voltage No. of Transceivers Maximum Supply Current Nominal Supply Voltage Power Supplies (V) Package Style (Meter) Package Equivalence Code Sub-Category Terminal Pitch Maximum Operating Temperature Minimum Operating Temperature Terminal Finish Terminal Position Data Rate JESD-30 Code Moisture Sensitivity Level (MSL) Maximum Seated Height Width Qualification Additional Features JESD-609 Code Maximum Time At Peak Reflow Temperature (s) Peak Reflow Temperature (C) Length

KSZ8842-16MQL

Microchip Technology

ETHERNET TRANSCEIVER

COMMERCIAL

GULL WING

128

FQFP

RECTANGULAR

PLASTIC/EPOXY

YES

1

1.2 V

FLATPACK, FINE PITCH

.5 mm

70 Cel

0 Cel

MATTE TIN

QUAD

R-PQFP-G128

3

3.4 mm

14 mm

Not Qualified

e3

20 mm

KSZ9021GN

Microchip Technology

ETHERNET TRANSCEIVER

COMMERCIAL

NO LEAD

64

HVQCCN

SQUARE

UNSPECIFIED

YES

1

TS 16949

1

1.2 V

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

LCC64,.32SQ,16

.4 mm

70 Cel

0 Cel

NICKEL PALLADIUM GOLD

QUAD

1000 Mbps

S-XQCC-N64

3

.9 mm

8 mm

Not Qualified

e4

30

260

8 mm

RTL8201CL-VD-LF

Realtek Semiconductor

ETHERNET TRANSCEIVER

COMMERCIAL

GULL WING

48

QFP

SQUARE

PLASTIC/EPOXY

YES

CMOS

1

120 mA

3.3 V

3.3

FLATPACK

QFP48,.35SQ,20

Network Interfaces

.5 mm

70 Cel

0 Cel

QUAD

100 Mbps

S-PQFP-G48

Not Qualified

KSZ8893MBL

Microchip Technology

LAN SWITCHING CIRCUIT

COMMERCIAL

BALL

100

LFBGA

SQUARE

PLASTIC/EPOXY

YES

1

TS 16949

2

3.3 V

GRID ARRAY, LOW PROFILE, FINE PITCH

BGA100,10X10,32

.8 mm

70 Cel

0 Cel

TIN SILVER COPPER

BOTTOM

100 Mbps

S-PBGA-B100

1.38 mm

9 mm

Not Qualified

e1

9 mm

KSZ8041RNL-TR

Microchip Technology

ETHERNET TRANSCEIVER

COMMERCIAL

NO LEAD

32

HVQCCN

SQUARE

UNSPECIFIED

YES

1

CMOS

1

3.3 V

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

LCC32,.2SQ,20

.5 mm

70 Cel

0 Cel

MATTE TIN

QUAD

100 Mbps

S-XQCC-N32

2

.9 mm

5 mm

Not Qualified

e3

30

260

5 mm

KSZ9021GQ

Microchip Technology

ETHERNET TRANSCEIVER

COMMERCIAL

GULL WING

128

FQFP

RECTANGULAR

PLASTIC/EPOXY

YES

1

1

1.2 V

FLATPACK, FINE PITCH

QFP128,.68X.91,20

.5 mm

70 Cel

0 Cel

MATTE TIN

QUAD

1000 Mbps

R-PQFP-G128

3

3.4 mm

14 mm

Not Qualified

e3

20 mm

KSZ8001L-TR

Microchip Technology

ETHERNET TRANSCEIVER

COMMERCIAL

GULL WING

48

LFQFP

SQUARE

PLASTIC/EPOXY

YES

1

CMOS

1

1.8 V

FLATPACK, LOW PROFILE, FINE PITCH

QFP48,.35SQ,20

.5 mm

70 Cel

0 Cel

MATTE TIN

QUAD

100 Mbps

S-PQFP-G48

1.6 mm

7 mm

e3

7 mm

KSZ8091MLXCA

Microchip Technology

ETHERNET TRANSCEIVER

COMMERCIAL

GULL WING

48

LFQFP

SQUARE

PLASTIC/EPOXY

YES

1

TS 16949

1

3.3 V

FLATPACK, LOW PROFILE, FINE PITCH

QFP48,.35SQ,20

.5 mm

70 Cel

0 Cel

MATTE TIN

QUAD

100 Mbps

S-PQFP-G48

1.6 mm

7 mm

e3

7 mm

KSZ8091MNXCA

Microchip Technology

ETHERNET TRANSCEIVER

COMMERCIAL

NO LEAD

32

HVQCCN

SQUARE

UNSPECIFIED

YES

1

1

3.3 V

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

LCC32,.2SQ,20

.5 mm

70 Cel

0 Cel

MATTE TIN

QUAD

100 Mbps

S-XQCC-N32

2

1 mm

5 mm

e3

30

260

5 mm

KSZ8001SL

Microchip Technology

ETHERNET TRANSCEIVER

COMMERCIAL

GULL WING

48

SSOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

1.8 V

SMALL OUTLINE, SHRINK PITCH

.635 mm

70 Cel

0 Cel

MATTE TIN

DUAL

R-PDSO-G48

3

2.794 mm

7.493 mm

Not Qualified

e3

15.875 mm

LAN83C185-JT

Microchip Technology

ETHERNET TRANSCEIVER

COMMERCIAL

GULL WING

64

LFQFP

SQUARE

PLASTIC/EPOXY

YES

1

TS 16949

1

40 mA

3.3 V

FLATPACK, LOW PROFILE, FINE PITCH

QFP64,.47SQ,20

.5 mm

70 Cel

0 Cel

MATTE TIN

QUAD

100 Mbps

S-PQFP-G64

1.6 mm

10 mm

Not Qualified

e3

10 mm

KSZ8999

Microchip Technology

ETHERNET TRANSCEIVER

COMMERCIAL

GULL WING

208

FQFP

SQUARE

PLASTIC/EPOXY

YES

1

8

2.1 V

FLATPACK, FINE PITCH

QFP208,1.2SQ,20

.5 mm

70 Cel

0 Cel

QUAD

S-PQFP-G208

3.8 mm

28 mm

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

28 mm

RTL8211CL-GR

Realtek Semiconductor

ETHERNET TRANSCEIVER

COMMERCIAL

GULL WING

48

QFP

SQUARE

PLASTIC/EPOXY

YES

1

1.05,2.5,3.3

FLATPACK

QFP48,.35SQ,20

Network Interfaces

.5 mm

70 Cel

0 Cel

QUAD

1000 Mbps

S-PQFP-G48

Not Qualified

DM9161BEP

Davicom Semiconductor

ETHERNET TRANSCEIVER

COMMERCIAL

GULL WING

48

LFQFP

SQUARE

PLASTIC/EPOXY

YES

1

CMOS

3.3 V

FLATPACK, LOW PROFILE, FINE PITCH

.5 mm

70 Cel

0 Cel

QUAD

S-PQFP-G48

1.6 mm

7 mm

NOT SPECIFIED

NOT SPECIFIED

7 mm

LAN8820-ABZJ

Microchip Technology

ETHERNET TRANSCEIVER

COMMERCIAL

NO LEAD

56

HVQCCN

SQUARE

UNSPECIFIED

YES

1

TS 16949

1

1.2 V

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

LCC56,.31SQ,20

.5 mm

70 Cel

0 Cel

MATTE TIN

QUAD

1000 Mbps

S-XQCC-N56

1 mm

8 mm

e3

8 mm

RTL8019AS-LF-R

Realtek Semiconductor

ETHERNET TRANSCEIVER

COMMERCIAL

GULL WING

100

QFP

RECTANGULAR

PLASTIC/EPOXY

YES

1

5 V

FLATPACK

QFP100,.75X.99

.65 mm

70 Cel

0 Cel

QUAD

R-PQFP-G100

3.3 mm

14 mm

20 mm

WJLXT971ALC.A4

Intel

ETHERNET TRANSCEIVER

COMMERCIAL

GULL WING

64

LFQFP

SQUARE

PLASTIC/EPOXY

YES

1

3.3 V

FLATPACK, LOW PROFILE, FINE PITCH

.5 mm

70 Cel

0 Cel

Matte Tin (Sn)

QUAD

S-PQFP-G64

1.6 mm

10 mm

Not Qualified

e3

40

260

10 mm

LAN8820-ABZJ-TR

Microchip Technology

ETHERNET TRANSCEIVER

COMMERCIAL

NO LEAD

56

HVQCCN

SQUARE

UNSPECIFIED

YES

1

TS 16949

1

1.2 V

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

LCC56,.31SQ,20

.5 mm

70 Cel

0 Cel

MATTE TIN

QUAD

1000 Mbps

S-XQCC-N56

1 mm

8 mm

e3

8 mm

88E1514-A0-NNP2C000

Marvell Technology

ETHERNET TRANSCEIVER

COMMERCIAL

NO LEAD

56

HVQCCN

SQUARE

UNSPECIFIED

YES

1

CMOS

1 V

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

.5 mm

70 Cel

0 Cel

QUAD

S-XQCC-N56

1 mm

8 mm

NOT SPECIFIED

NOT SPECIFIED

8 mm

QT2025PRKDB-1

M/a-com Technology Solutions

MANCHESTER ENCODER

COMMERCIAL

BALL

144

LBGA

SQUARE

PLASTIC/EPOXY

YES

1

1.2 V

GRID ARRAY, LOW PROFILE

1 mm

70 Cel

0 Cel

TIN SILVER COPPER

BOTTOM

S-PBGA-B144

3

1.68 mm

13 mm

e1

260

13 mm

RTL8201EL-GR

Realtek Semiconductor

ETHERNET TRANSCEIVER

COMMERCIAL

GULL WING

48

LFQFP

SQUARE

PLASTIC/EPOXY

YES

1

CMOS

1

3.3 V

3.3

FLATPACK, LOW PROFILE, FINE PITCH

QFP48,.35SQ,20

Network Interfaces

.5 mm

70 Cel

0 Cel

QUAD

100 Mbps

S-PQFP-G48

1.6 mm

7 mm

Not Qualified

7 mm

DP83847ALQA56AX/NOPB

Texas Instruments

ETHERNET TRANSCEIVER

COMMERCIAL

NO LEAD

65

VQCCN

SQUARE

PLASTIC/EPOXY

YES

1

CMOS

1

3.3 V

3.3

CHIP CARRIER, VERY THIN PROFILE

LCC56,.35SQ,20

Network Interfaces

.5 mm

70 Cel

0 Cel

MATTE TIN

QUAD

100000 Mbps

S-PQCC-N56

3

.8 mm

9 mm

Not Qualified

e3

30

260

9 mm

KSZ8041MLL-TR

Microchip Technology

ETHERNET TRANSCEIVER

COMMERCIAL

GULL WING

48

LFQFP

SQUARE

PLASTIC/EPOXY

YES

1

CMOS

TS 16949

1

58.3 mA

3.3 V

FLATPACK, LOW PROFILE, FINE PITCH

QFP48,.35SQ,20

.5 mm

70 Cel

0 Cel

MATTE TIN

QUAD

100 Mbps

S-XQFP-G48

1.6 mm

7 mm

e3

7 mm

RTL8201FL-VB-CG

Realtek Semiconductor

ETHERNET TRANSCEIVER

COMMERCIAL

GULL WING

48

LFQFP

SQUARE

PLASTIC/EPOXY

YES

1

CMOS

3.3 V

FLATPACK, LOW PROFILE, FINE PITCH

.5 mm

70 Cel

0 Cel

QUAD

S-PQFP-G48

1.6 mm

7 mm

7 mm

KSZ8041FTL-TR

Microchip Technology

ETHERNET TRANSCEIVER

COMMERCIAL

GULL WING

48

TFQFP

SQUARE

PLASTIC/EPOXY

YES

1

CMOS

TS 16949

1

58.3 mA

3.3 V

FLATPACK, THIN PROFILE, FINE PITCH

TQFP48,.35SQ

.5 mm

70 Cel

0 Cel

MATTE TIN

QUAD

100 Mbps

S-PQFP-G48

1.2 mm

7 mm

e3

7 mm

KSZ8041NL

Microchip Technology

ETHERNET TRANSCEIVER

COMMERCIAL

NO LEAD

32

HVQCCN

SQUARE

UNSPECIFIED

YES

1

CMOS

TS 16949

1

3.3 V

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

LCC32,.2SQ,20

.5 mm

70 Cel

0 Cel

MATTE TIN

QUAD

100 Mbps

S-XQCC-N32

2

.9 mm

5 mm

e3

30

260

5 mm

RTL8019AS-LF

Realtek Semiconductor

ETHERNET TRANSCEIVER

COMMERCIAL

GULL WING

100

QFP

RECTANGULAR

PLASTIC/EPOXY

YES

1

5 V

FLATPACK

QFP100,.75X.99

.65 mm

70 Cel

0 Cel

QUAD

R-PQFP-G100

3.3 mm

14 mm

NOT SPECIFIED

NOT SPECIFIED

20 mm

RTL8201CP

Realtek Semiconductor

MANCHESTER ENCODER/DECODER

COMMERCIAL

GULL WING

48

LFQFP

SQUARE

PLASTIC/EPOXY

YES

1

CMOS

1

120 mA

3.3 V

3.3

FLATPACK, LOW PROFILE, FINE PITCH

QFP48,.35SQ,20

Network Interfaces

.5 mm

70 Cel

0 Cel

QUAD

100 Mbps

S-PQFP-G48

1.7 mm

7 mm

Not Qualified

7 mm

WJLXT972ALC.A4-857345

Cortina Systems

ETHERNET TRANSCEIVER

COMMERCIAL

GULL WING

64

LFQFP

SQUARE

PLASTIC/EPOXY

YES

1

CMOS

1

.11 mA

3.3 V

2.5/3.3

FLATPACK, LOW PROFILE, FINE PITCH

QFP64,.47SQ,20

Network Interfaces

.5 mm

70 Cel

0 Cel

Matte Tin (Sn) - annealed

QUAD

100 Mbps

S-PQFP-G64

3

1.6 mm

10 mm

Not Qualified

e3

30

260

10 mm

IP113ALF

Ic Plus

ETHERNET TRANSCEIVER

COMMERCIAL

GULL WING

48

LSSOP

SQUARE

PLASTIC/EPOXY

YES

1

2.5 V

SMALL OUTLINE, LOW PROFILE, SHRINK PITCH

.5 mm

70 Cel

0 Cel

DUAL

S-PDSO-G48

1.6 mm

7 mm

7 mm

KSZ8051MLL

Micrel

ETHERNET TRANSCEIVER

COMMERCIAL

GULL WING

48

LFQFP

SQUARE

PLASTIC/EPOXY

YES

1

1

1.2 V

3.3

FLATPACK, LOW PROFILE, FINE PITCH

QFP48,.35SQ,20

Network Interfaces

.5 mm

70 Cel

0 Cel

QUAD

100 Mbps

S-PQFP-G48

1.6 mm

7 mm

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

7 mm

KSZ8841-16MQL

Microchip Technology

SUPPORT CIRCUIT

COMMERCIAL

GULL WING

128

FQFP

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

1

3.3 V

FLATPACK, FINE PITCH

QFP128,.68X.91,20

.5 mm

70 Cel

0 Cel

MATTE TIN

QUAD

100 Mbps

R-PQFP-G128

3

3.4 mm

14 mm

Not Qualified

e3

30

260

20 mm

TNETE2201BPJWR

Texas Instruments

ETHERNET TRANSCEIVER

COMMERCIAL

GULL WING

64

HTFQFP

SQUARE

PLASTIC/EPOXY

YES

1

CMOS

1

.26 mA

3.3 V

3.3

FLATPACK, HEAT SINK/SLUG, THIN PROFILE, FINE PITCH

TQFP64,.55SQ

Network Interfaces

.5 mm

70 Cel

0 Cel

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

QUAD

1250 Mbps

S-PQFP-G64

3

1.2 mm

10 mm

Not Qualified

e4

NOT SPECIFIED

260

10 mm

IP175GH

Ic Plus

ETHERNET TRANSCEIVER

COMMERCIAL

NO LEAD

48

HVSON

SQUARE

UNSPECIFIED

YES

1

CMOS

5

1.1 V

SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE

LCC48,.24SQ,16

.4 mm

70 Cel

0 Cel

QUAD

100 Mbps

S-XQCC-N48

.9 mm

6 mm

6 mm

KSZ8051MNL-TR

Microchip Technology

ETHERNET TRANSCEIVER

COMMERCIAL

NO LEAD

32

HVQCCN

SQUARE

UNSPECIFIED

YES

1

1

1.2 V

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

LCC32,.2SQ,20

.5 mm

70 Cel

0 Cel

NICKEL PALLADIUM GOLD

QUAD

100 Mbps

S-XQCC-N32

.9 mm

5 mm

e4

5 mm

SN75LBC031DR

Texas Instruments

INTERFACE CIRCUIT

COMMERCIAL

GULL WING

8

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

1

1

.08 mA

5 V

5

SMALL OUTLINE

SOP8,.25

Network Interfaces

1.27 mm

70 Cel

0 Cel

NICKEL PALLADIUM GOLD

DUAL

1 Mbps

R-PDSO-G8

1

1.75 mm

3.9 mm

Not Qualified

e4

30

260

4.9 mm

BCM53134PKFBG

Broadcom

ETHERNET TRANSCEIVER

COMMERCIAL

BALL

212

TFBGA

SQUARE

PLASTIC/EPOXY

YES

1

CMOS

1 V

GRID ARRAY, THIN PROFILE, FINE PITCH

.65 mm

70 Cel

0 Cel

BOTTOM

S-PBGA-B212

3

1.017 mm

11 mm

11 mm

NE83C92A

NXP Semiconductors

ETHERNET TRANSCEIVER

COMMERCIAL

J BEND

28

QCCJ

SQUARE

PLASTIC/EPOXY

YES

1

BICMOS

CHIP CARRIER

1.27 mm

70 Cel

0 Cel

QUAD

S-PQCC-J28

4.57 mm

11.5062 mm

Not Qualified

11.5062 mm

RTL8201CL-LF

Realtek Semiconductor

ETHERNET TRANSCEIVER

COMMERCIAL

GULL WING

48

QFP

SQUARE

PLASTIC/EPOXY

YES

CMOS

1

120 mA

3.3 V

3.3

FLATPACK

QFP48,.35SQ,20

Network Interfaces

.5 mm

70 Cel

0 Cel

QUAD

100 Mbps

S-PQFP-G48

Not Qualified

BCM5387KFBG

Broadcom

ETHERNET TRANSCEIVER

COMMERCIAL

BALL

256

LBGA

SQUARE

PLASTIC/EPOXY

YES

1

CMOS

812 mA

1.2 V

GRID ARRAY, LOW PROFILE

BGA256,16X16,40

1 mm

70 Cel

0 Cel

BOTTOM

S-PBGA-B256

3

1.7 mm

17 mm

17 mm

EGLXT973QEA3V-873108

Cortina Systems

ETHERNET TRANSCEIVER

COMMERCIAL

GULL WING

100

QFP

RECTANGULAR

PLASTIC/EPOXY

YES

1

2

2.5 V

FLATPACK

70 Cel

0 Cel

QUAD

100 Mbps

R-PQFP-G100

EGLXT973QEA3V-873181

Cortina Systems

ETHERNET TRANSCEIVER

COMMERCIAL

GULL WING

100

QFP

RECTANGULAR

PLASTIC/EPOXY

YES

1

2

2.5 V

FLATPACK

70 Cel

0 Cel

QUAD

100 Mbps

R-PQFP-G100

88E3015-A2-NNP1C000

Marvell Technology

INTERFACE CIRCUIT

COMMERCIAL

NO LEAD

56

HVQCCN

SQUARE

PLASTIC/EPOXY

YES

1

CMOS

1

2.5 V

2.5/3.3

CHIP CARRIER

LCC56,.31SQ,20

Network Interfaces

.5 mm

70 Cel

0 Cel

MATTE TIN

QUAD

S-PQCC-N56

3

1 mm

8 mm

Not Qualified

e3

30

260

8 mm

RTL8201CL+

Realtek Semiconductor

ETHERNET TRANSCEIVER

COMMERCIAL

GULL WING

48

QFP

SQUARE

PLASTIC/EPOXY

YES

CMOS

1

3.3 V

3.3

FLATPACK

QFP48,.35SQ,20

Network Interfaces

.5 mm

70 Cel

0 Cel

QUAD

100 Mbps

S-PQFP-G48

Not Qualified

RTL8201CL

Realtek Semiconductor

ETHERNET TRANSCEIVER

COMMERCIAL

GULL WING

48

QFP

SQUARE

PLASTIC/EPOXY

YES

CMOS

1

120 mA

3.3 V

3.3

FLATPACK

QFP48,.35SQ,20

Network Interfaces

.5 mm

70 Cel

0 Cel

QUAD

100 Mbps

S-PQFP-G48

Not Qualified

KSZ9021GN-TR

Microchip Technology

ETHERNET TRANSCEIVER

COMMERCIAL

NO LEAD

64

HVQCCN

SQUARE

UNSPECIFIED

YES

1

TS 16949

1

1.2 V

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

LCC64,.32SQ,16

.4 mm

70 Cel

0 Cel

NICKEL PALLADIUM GOLD

QUAD

1000 Mbps

S-XQCC-N64

3

.9 mm

8 mm

e4

30

260

8 mm

TNETE2201BPJWRG4

Texas Instruments

ETHERNET TRANSCEIVER

COMMERCIAL

GULL WING

64

HTFQFP

SQUARE

PLASTIC/EPOXY

YES

1

CMOS

1

.26 mA

3.3 V

3.3

FLATPACK, HEAT SINK/SLUG, THIN PROFILE, FINE PITCH

TQFP64,.55SQ

Network Interfaces

.5 mm

70 Cel

0 Cel

NICKEL PALLADIUM GOLD

QUAD

1250 Mbps

S-PQFP-G64

3

1.2 mm

10 mm

Not Qualified

e4

30

260

10 mm

WBLXT974BHCA8

Intel

ETHERNET TRANSCEIVER

COMMERCIAL

GULL WING

160

HQFP

SQUARE

PLASTIC/EPOXY

YES

1

5 V

FLATPACK, HEAT SINK/SLUG

.65 mm

70 Cel

0 Cel

QUAD

S-PQFP-G160

4.07 mm

28 mm

Not Qualified

28 mm

Network Interfaces

A network interface is an electronic component that connects a device to a network, enabling it to communicate with other devices and access shared resources. Network interfaces are essential for modern communication systems, providing a means of transmitting and receiving data over a variety of communication channels and protocols.

Some common types of network interfaces include Ethernet, Wi-Fi, Bluetooth, and cellular network interfaces. Ethernet is a wired network interface that uses twisted-pair cables to transmit data over local area networks (LANs). Wi-Fi is a wireless network interface that uses radio waves to transmit data over wireless local area networks (WLANs). Bluetooth is a short-range wireless network interface that is used for connecting peripheral devices such as keyboards and headphones to computers and mobile devices. Cellular network interfaces are used for mobile communications over cellular networks, providing internet connectivity and voice communication.

Network interfaces use various protocols and standards to ensure reliable and efficient data transmission. These protocols include TCP/IP, which is used for internet communication, and IEEE 802.11, which is used for wireless LANs. Network interfaces also use techniques such as packet framing, error correction, and flow control to ensure that data is transmitted accurately and efficiently.

In addition to providing a means of data transmission, network interfaces also enable devices to access shared resources such as printers and file servers. They also enable devices to communicate with each other, allowing for collaboration and information sharing.