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Telecom Interface ICs

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Part #

Telecom Interface ICs 26 Port 44G/60G L2/L3 Switch

VSC7444YIH-02
Microchip Technology
1: $153.20
45In Stock
80On Order

Mfr. Part No.
VSC7444YIH-02

Mouser Part No
494-VSC7444YIH-02

Microchip Technology

Telecom Interface ICs 26 Port 44G/60G L2/L3 Switch

Datasheet

45In Stock

80On Order

$153.20

Min.: 1
Mult.: 1

SMD/SMT

HFCBGA-672

Tray

Telecom Interface ICs SERCOS Interfce Cont

SERC816
STMicroelectronics
1: $37.54
490In Stock

Mfr. Part No.
SERC816

Mouser Part No
511-SERC816

STMicroelectronics

Telecom Interface ICs SERCOS Interfce Cont

Datasheet

490In Stock

$37.54

$30.39

$28.60

$27.42

$25.70

Min.: 1
Mult.: 1

5.25 V

4.75 V

- 40 C

+ 85 C

SMD/SMT

PQFP-100

Tray

Telecom Interface ICs

SI3050-E1-FTR
Skyworks Solutions, Inc.
1: $7.02
2,866In Stock

Mfr. Part No.
SI3050-E1-FTR

Mouser Part No
634-SI3050-E1-FTR

Skyworks Solutions, Inc.

Telecom Interface ICs

Datasheet

2,866In Stock

Cut Tape

$7.02

$5.38

$4.97

$4.52

View

Reel

$4.07

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Voice DAAs

3.6 V

3 V

8.5 mA

0 C

+ 70 C

SMD/SMT

TSSOP-20

Reel, Cut Tape, MouseReel

Telecom Interface ICs

SI32178-B-FM1R
Skyworks Solutions, Inc.
1: $5.87
2,939In Stock

Mfr. Part No.
SI32178-B-FM1R

Mouser Part No
634-SI32178-B-FM1R

Skyworks Solutions, Inc.

Telecom Interface ICs

2,939In Stock

Cut Tape

$5.87

$4.62

$4.31

$3.97

View

Reel

$3.58

Min.: 1
Mult.: 1

: 2,500

Pro Subscriber Line Interface Concept (SLIC) ICs

3.47 V

3.13 V

44.2 mA

0 C

+ 70 C

SMD/SMT

LGA-42

Reel, Cut Tape

Telecom Interface ICs

SI32185-A-GM
Skyworks Solutions, Inc.
1: $7.29
896In Stock

Mfr. Part No.
SI32185-A-GM

Mouser Part No
634-SI32185-A-GM

Skyworks Solutions, Inc.

Telecom Interface ICs

Datasheet

896In Stock

$7.29

$5.62

$5.21

$4.75

View

Min.: 1
Mult.: 1

Wideband FXS

1.8 V, 3.3 V

45 mA

- 40 C

+ 85 C

SMD/SMT

QFN-40

Tray

Telecom Interface ICs 3.3V E1/T1/J1 Line Interface

DS21348T+
Analog Devices / Maxim Integrated
1: $31.46
190In Stock

Mfr. Part No.
DS21348T+

Mouser Part No
700-DS21348T

Analog Devices / Maxim Integrated

Telecom Interface ICs 3.3V E1/T1/J1 Line Interface

Datasheet

190In Stock

$31.46

$25.41

$23.94

$21.83

View

Min.: 1
Mult.: 1

T1/E1/J1 Line Interface Units - LIUs

3.465 V

3.135 V

0 C

+ 70 C

SMD/SMT

TQFP-44

Tray

Telecom Interface ICs 3.3V E1/T1/J1 Line Interface

DS21348TN+
Analog Devices / Maxim Integrated
1: $35.53
309In Stock

Mfr. Part No.
DS21348TN+

Mouser Part No
700-DS21348TN

Analog Devices / Maxim Integrated

Telecom Interface ICs 3.3V E1/T1/J1 Line Interface

Datasheet

309In Stock

$35.53

$28.85

$27.18

$24.87

$24.26

Min.: 1
Mult.: 1

T1/E1/J1 Line Interface Units - LIUs

3.465 V

3.135 V

- 40 C

+ 85 C

SMD/SMT

TQFP-44

Tray

Telecom Interface ICs 3.3V DS21352 and 5V DS21552 T1 Single Ch

DS21352LN+
Analog Devices / Maxim Integrated
1: $71.01
43In Stock

Mfr. Part No.
DS21352LN+

Mouser Part No
700-DS21352LN

Analog Devices / Maxim Integrated

Telecom Interface ICs 3.3V DS21352 and 5V DS21552 T1 Single Ch

Datasheet

43In Stock

$71.01

$55.93

$52.68

$52.67

Min.: 1
Mult.: 1

T1 Transceivers

3.465 V

3.135 V

- 40 C

+ 85 C

SMD/SMT

LQFP-100

Tray

Telecom Interface ICs Home automation modem

TDA5051AT/C1,518
NXP Semiconductors
1: $8.71
1,549In Stock

Mfr. Part No.
TDA5051AT/C1,518

Mouser Part No
771-TDA5051ATD-T

NXP Semiconductors

Telecom Interface ICs Home automation modem

Learn More

Datasheet

1,549In Stock

Cut Tape

$8.71

$6.75

$6.26

$5.72

$5.58

Reel

$4.74

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

Modem ICs

5.25 V

4.75 V

47 mA

- 40 C

+ 100 C

SMD/SMT

SOIC-16

Reel, Cut Tape, MouseReel

Telecom Interface ICs T1/E1/J1 TRANSCEIVER /QUAD

82P2284BBG
Renesas Electronics
1: $119.10
24In Stock

Mfr. Part No.
82P2284BBG

Mouser Part No
972-82P2284BBG

Renesas Electronics

Telecom Interface ICs T1/E1/J1 TRANSCEIVER /QUAD

Datasheet

24In Stock

$119.10

$99.61

$91.81

$89.39

Min.: 1
Mult.: 1

Transceivers

1.98 V, 3.6 V

1.68 V, 3 V

- 40 C

+ 85 C

SMD/SMT

PBGA-208

Tray

Telecom Interface ICs 1200/ 75bps Full-Duplex V.23 with Optional 75bps Back Channel and Date Retiming

FX604D4
CML Micro
1: $15.43
155In Stock
282Expected 07/08/2026
NRND

Mfr. Part No.
FX604D4

Mouser Part No
226-FX604D4

NRND

CML Micro

Telecom Interface ICs 1200/ 75bps Full-Duplex V.23 with Optional 75bps Back Channel and Date Retiming

Datasheet

155In Stock

282Expected 07/08/2026

$15.43

$12.32

Min.: 1
Mult.: 1

Modems

1.7 mA

- 40 C

+ 85 C

SMD/SMT

SOIC-16

Tube

Telecom Interface ICs

SI3019-F-GS
Skyworks Solutions, Inc.
1: $10.81
188In Stock
End of Life

Mfr. Part No.
SI3019-F-GS

Mouser Part No
634-SI3019-F-GS

End of Life

Skyworks Solutions, Inc.

Telecom Interface ICs

Datasheet

188In Stock

$10.81

$8.44

$7.84

$7.19

View

Min.: 1
Mult.: 1

Voice DAAs

3.6 V

3 V

8.5 mA

- 40 C

+ 85 C

SMD/SMT

SOIC-16

Tube

Telecom Interface ICs 1200/2400/4800bps FFSK/MSK

CMX469AE2
CML Micro
1: $30.42
8In Stock
186On Order

Mfr. Part No.
CMX469AE2

Mouser Part No
226-CMX469AE2

CML Micro

Telecom Interface ICs 1200/2400/4800bps FFSK/MSK

Learn More

Datasheet

8In Stock

186On Order

$30.42

$24.28

$20.69

$16.98

Min.: 1
Mult.: 1

Modems

4.5 mA

- 40 C

+ 85 C

SMD/SMT

TSSOP-24

Tube

Telecom Interface ICs Function Images Supporting GMSK/GFSK, 4FSK, FFSK/MSK

CMX7143L4
CML Micro
1: $28.75
6In Stock
28Expected 25/08/2026

Mfr. Part No.
CMX7143L4

Mouser Part No
226-CMX7143L4

CML Micro

Telecom Interface ICs Function Images Supporting GMSK/GFSK, 4FSK, FFSK/MSK

Learn More

Datasheet

6In Stock

28Expected 25/08/2026

$28.75

$25.01

Min.: 1
Mult.: 1

Modems

- 40 C

+ 85 C

SMD/SMT

LQFP-48

Tray

Telecom Interface ICs Function Images Supporting 4/16/32/64 QAM, 2/4/8/16 FSK, GMSK/GFSK, V.23

CMX7164Q1
CML Micro
1: $28.07
26In Stock

Mfr. Part No.
CMX7164Q1

Mouser Part No
226-CMX7164Q1

CML Micro

Telecom Interface ICs Function Images Supporting 4/16/32/64 QAM, 2/4/8/16 FSK, GMSK/GFSK, V.23

Learn More

Datasheet

26In Stock

$28.07

$27.15

$24.42

$23.22

View

Min.: 1
Mult.: 1

Modems

- 40 C

+ 85 C

SMD/SMT

VQFN-64

Tray

Telecom Interface ICs Function Images Supporting G729A/PCM/CVSD, PCM/G723.1

CMX7261L9
CML Micro
1: $19.13
32In Stock

Mfr. Part No.
CMX7261L9

Mouser Part No
226-CMX7261L9

CML Micro

Telecom Interface ICs Function Images Supporting G729A/PCM/CVSD, PCM/G723.1

Learn More

Datasheet

32In Stock

$19.13

$18.50

Min.: 1
Mult.: 1

3.6 V

3 V

- 40 C

+ 85 C

SMD/SMT

LQFP-64

Tray

Telecom Interface ICs Telecom Signalling Device with DTMF Encoder/Decoder, V.23/ V.21/ Bell 103/ Bell 202 FSK Modem

CMX865AD4
CML Micro
1: $4.93
18In Stock
282Expected 11/08/2026

Mfr. Part No.
CMX865AD4

Mouser Part No
226-CMX865AD4

CML Micro

Telecom Interface ICs Telecom Signalling Device with DTMF Encoder/Decoder, V.23/ V.21/ Bell 103/ Bell 202 FSK Modem

Datasheet

18In Stock

282Expected 11/08/2026

$4.93

$4.80

$4.39

$4.05

View

Min.: 1
Mult.: 1

3.6 V

3 V

4 mA

- 40 C

+ 85 C

SMD/SMT

SOIC-16

Tube

Telecom Interface ICs V.22/ Bell 212A, V.23, Bell 202, V.21, DTMF Encoder/Decoder

CMX867AD2
CML Micro
1: $6.02
100In Stock

Mfr. Part No.
CMX867AD2

Mouser Part No
226-CMX867AD2

CML Micro

Telecom Interface ICs V.22/ Bell 212A, V.23, Bell 202, V.21, DTMF Encoder/Decoder

Datasheet

100In Stock

$6.02

$5.82

$5.30

$5.29

View

Min.: 1
Mult.: 1

Modems

5.5 mA

- 40 C

+ 85 C

SMD/SMT

SOIC-24

Tube

Telecom Interface ICs V.22/ Bell 212A, V.23, Bell 202, V.21, DTMF Encoder/Decoder

CMX867AE2
CML Micro
1: $6.02
77In Stock

Mfr. Part No.
CMX867AE2

Mouser Part No
226-CMX867AE2

CML Micro

Telecom Interface ICs V.22/ Bell 212A, V.23, Bell 202, V.21, DTMF Encoder/Decoder

Datasheet

77In Stock

$6.02

$5.82

$5.50

$5.30

View

Min.: 1
Mult.: 1

Modems

5.5 mA

- 40 C

+ 85 C

SMD/SMT

TSSOP-24

Tube

Telecom Interface ICs V.22bis, V.22/ Bell 212A, V.23, Bell 202, V.21, DTMF Encoder/Decoder

CMX868AD2
CML Micro
1: $8.78
133In Stock

Mfr. Part No.
CMX868AD2

Mouser Part No
226-CMX868AD2

CML Micro

Telecom Interface ICs V.22bis, V.22/ Bell 212A, V.23, Bell 202, V.21, DTMF Encoder/Decoder

Datasheet

133In Stock

$8.78

$8.49

$7.63

$7.25

View

Min.: 1
Mult.: 1

Modems

5.5 mA

- 40 C

+ 85 C

SMD/SMT

SOIC-24

Tube

Telecom Interface ICs V.32bis, V.22bis, V.22/ Bell 212A, V.23, Bell 202, V.21, DTMF Encoder/Decoder

CMX869BD2
CML Micro
1: $11.01
57In Stock

Mfr. Part No.
CMX869BD2

Mouser Part No
226-CMX869BD2

CML Micro

Telecom Interface ICs V.32bis, V.22bis, V.22/ Bell 212A, V.23, Bell 202, V.21, DTMF Encoder/Decoder

Datasheet

57In Stock

$11.01

$10.65

$9.57

$9.10

View

Min.: 1
Mult.: 1

Modems

8.6 mA

- 40 C

+ 85 C

SMD/SMT

SOIC-24

Tube

Telecom Interface ICs V.32bis, V.22bis, V.22/ Bell 212A, V.23, Bell 202, V.21, DTMF Encoder/Decoder

CMX869BE2
CML Micro
1: $11.01
130In Stock

Mfr. Part No.
CMX869BE2

Mouser Part No
226-CMX869BE2

CML Micro

Telecom Interface ICs V.32bis, V.22bis, V.22/ Bell 212A, V.23, Bell 202, V.21, DTMF Encoder/Decoder

Datasheet

130In Stock

$11.01

$10.65

$9.70

$9.57

$9.37

Min.: 1
Mult.: 1

Modems

8.6 mA

- 40 C

+ 85 C

SMD/SMT

TSSOP-24

Tube

Telecom Interface ICs 1x S V.35 Tran

LTC1345ISW#PBF
Analog Devices
1: $31.40
32In Stock

Mfr. Part No.
LTC1345ISW#PBF

Mouser Part No
584-LTC1345ISW#PBF

Analog Devices

Telecom Interface ICs 1x S V.35 Tran

Datasheet

32In Stock

$31.40

$25.40

$23.79

$21.84

View

Min.: 1
Mult.: 1

Transceivers

5.25 V

4.75 V

118 mA

- 40 C

+ 85 C

SMD/SMT

SOIC-28

Tube

Telecom Interface ICs Quad Telephone Relay

DS3680N
Texas Instruments
1: $1.56
370In Stock

Mfr. Part No.
DS3680N

Mouser Part No
595-DS3680N

Texas Instruments

Telecom Interface ICs Quad Telephone Relay

Datasheet

370In Stock

$1.56

$1.15

$1.03

$0.922

View

Min.: 1
Mult.: 1

Relay Drivers

- 60 V

- 10 V

- 4.4 mA

0 C

+ 70 C

Through Hole

PDIP-14

Tube

Telecom Interface ICs

SI3018-F-FS
Skyworks Solutions, Inc.
1: $6.51
88In Stock

Mfr. Part No.
SI3018-F-FS

Mouser Part No
634-SI3018-F-FS

Skyworks Solutions, Inc.

Telecom Interface ICs

Datasheet

88In Stock

$6.51

$5.00

$4.47

$4.15

View

Min.: 1
Mult.: 1

Voice DAAs

3.6 V

3 V

8.5 mA

0 C

+ 70 C

SMD/SMT

SOIC-16

Tube

Telecom Interface ICs

Customer Service Office

Company

Resources

Support

DAA - Direct Access Arrangements
E1 Line Interface Units - LIUs
Ethernet Over PDH Mappers
Framers
Line Circuits
LIU - Line Interface Units
M
Modem ICs
Modems
Pro Subscriber Line Interface Concept (SLIC) ICs
Relay Drivers
SLIC - Subscriber Line Interface Circuits
Subscriber Line Interface Circuits miSLICs
Subscriber Line Interface Circuits - SLICs
Synchronization System
System Basis Chips - SBCs
T1/E1/J1 Line Interface Units - LIUs
T1 Transceivers
TDM-over-Packets
Transceivers

1 uA
8 uA
- 4.4 mA
1 mA
1.7 mA
2.5 mA, 10 mA
4 mA
4.5 mA
5.5 mA
8.5 mA
8.6 mA
10 mA
15 mA
17.5 mA
20 mA
25 mA
43.8 mA, 44.6 mA
44.2 mA
44.7 mA
45 mA

BGA-484
BGA-896
CABGA-256
CABGA-484
CSBGA-144
CSBGA-256
CSBGA-49
FCBGA-1152
FCBGA-896
FPBGA-81
HFCBGA-672
HSBGA-484
L2BGA-276
LBGA-196
LFBGA-119
LGA-42
LQFP-100
LQFP-176
LQFP-48
LQFP-64