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Telecom Interface ICs

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Part #

Telecom Interface ICs

SI3050-E1-FTR
Skyworks Solutions, Inc.
1: $7.02
3,618In Stock

Mfr. Part No.
SI3050-E1-FTR

Mouser Part No
634-SI3050-E1-FTR

Skyworks Solutions, Inc.

Telecom Interface ICs

Datasheet

3,618In 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 26 Port 44G/60G L2/L3 Switch

VSC7444YIH-02
Microchip Technology
1: $153.20
55In Stock

Mfr. Part No.
VSC7444YIH-02

Mouser Part No
494-VSC7444YIH-02

Microchip Technology

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

Datasheet

55In Stock

$153.20

Min.: 1
Mult.: 1

SMD/SMT

HFCBGA-672

Tray

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

DS21348T+
Analog Devices / Maxim Integrated
1: $31.46
250In 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

250In Stock

$31.46

$25.45

$23.94

$21.86

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

CMX865AE4
CML Micro
1: $4.93
448In Stock
1,045Expected 04/08/2026

Mfr. Part No.
CMX865AE4

Mouser Part No
226-CMX865AE4

CML Micro

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

Datasheet

448In Stock

1,045Expected 04/08/2026

$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

TSSOP-16

Tube

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

CMX868AE2
CML Micro
1: $8.78
559In Stock

Mfr. Part No.
CMX868AE2

Mouser Part No
226-CMX868AE2

CML Micro

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

Datasheet

559In Stock

$8.78

$8.49

$7.63

$7.25

View

Min.: 1
Mult.: 1

Modems

5.5 mA

- 40 C

+ 85 C

SMD/SMT

TSSOP-24

Tube

Telecom Interface ICs Half-Duplex GMSK/GFSK and Optimised Data Packet Handling

CMX909BD5
CML Micro
1: $51.59
78In Stock

Mfr. Part No.
CMX909BD5

Mouser Part No
226-CMX909BD5

CML Micro

Telecom Interface ICs Half-Duplex GMSK/GFSK and Optimised Data Packet Handling

Datasheet

78In Stock

$51.59

$41.18

$35.10

View

Min.: 1
Mult.: 1

Modems

SMD/SMT

SSOP-24

Tube

Telecom Interface ICs

SI3019-F-FTR
Skyworks Solutions, Inc.
1: $9.17
266In Stock
2,500Expected 14/07/2026

Mfr. Part No.
SI3019-F-FTR

Mouser Part No
634-SI3019-F-FTR

Skyworks Solutions, Inc.

Telecom Interface ICs

Datasheet

266In Stock

2,500Expected 14/07/2026

Cut Tape

$9.17

$7.22

$6.73

$6.23

View

Reel

$5.48

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-16

Reel, Cut Tape, MouseReel

Telecom Interface ICs

SI32178-B-FM1R
Skyworks Solutions, Inc.
1: $5.87
457In Stock
2,500Expected 01/06/2026

Mfr. Part No.
SI32178-B-FM1R

Mouser Part No
634-SI32178-B-FM1R

Skyworks Solutions, Inc.

Telecom Interface ICs

457In Stock

2,500Expected 01/06/2026

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
971In Stock

Mfr. Part No.
SI32185-A-GM

Mouser Part No
634-SI32185-A-GM

Skyworks Solutions, Inc.

Telecom Interface ICs

Datasheet

971In 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 T1/E1/J1 TRANSCEIVER /QUAD

82P2284BBG
Renesas Electronics
1: $104.69
24In Stock

Mfr. Part No.
82P2284BBG

Mouser Part No
972-82P2284BBG

Renesas Electronics

Telecom Interface ICs T1/E1/J1 TRANSCEIVER /QUAD

Datasheet

24In Stock

$104.69

$87.23

$81.14

$77.73

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 3.3V LH SINGLE LIU

82V2081PPG
Renesas Electronics
1: $33.51
163In Stock

Mfr. Part No.
82V2081PPG

Mouser Part No
972-82V2081PPG

Renesas Electronics

Telecom Interface ICs 3.3V LH SINGLE LIU

Datasheet

163In Stock

$33.51

$26.98

$24.03

$23.29

$22.62

Min.: 1
Mult.: 1

LIU - Line Interface Units

3.47 V

3.13 V

- 40 C

+ 85 C

SMD/SMT

TQFP-44

Tray

Telecom Interface ICs 3.3V DUAL LH LIU

82V2082PFG
Renesas Electronics
1: $43.69
146In Stock

Mfr. Part No.
82V2082PFG

Mouser Part No
972-82V2082PFG

Renesas Electronics

Telecom Interface ICs 3.3V DUAL LH LIU

Datasheet

146In Stock

$43.69

$35.23

$32.07

$30.97

$28.78

Min.: 1
Mult.: 1

LIU - Line Interface Units

3.47 V

3.13 V

130 mA

- 40 C

+ 85 C

SMD/SMT

TQFP-80

Tray

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

FX604D4
CML Micro
1: $15.43
180In Stock
235Expected 07/07/2026
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

180In Stock

235Expected 07/07/2026

$15.43

$12.32

$10.50

$8.62

View

Min.: 1
Mult.: 1

Modems

1.7 mA

- 40 C

+ 85 C

SMD/SMT

SOIC-16

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
420In Stock

Mfr. Part No.
DS3680N

Mouser Part No
595-DS3680N

Texas Instruments

Telecom Interface ICs Quad Telephone Relay

Datasheet

420In 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 Pb Free DTMF RECEIVER

MT8888CSR1
Microchip Technology
1: $5.85
1,061In Stock
End of Life

Mfr. Part No.
MT8888CSR1

Mouser Part No
494-MT8888CSR1

End of Life

Microchip Technology

Telecom Interface ICs Pb Free DTMF RECEIVER

Learn More

Datasheet

1,061In Stock

Cut Tape

$5.85

Reel

$5.27

Quote

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

DTMF - Dual-tone Multi-frequency Transceivers

5.25 V

4.75 V

7 mA

- 40 C

+ 85 C

SMD/SMT

SOIC-20

Reel, Cut Tape, MouseReel

Telecom Interface ICs Pb Free 3 VOLT INTEGRATED DTMF RECEIVER

MT88L70ANR1
Microchip Technology
1: $1.65
3,346In Stock
End of Life

Mfr. Part No.
MT88L70ANR1

Mouser Part No
494-MT88L70ANR1

End of Life

Microchip Technology

Telecom Interface ICs Pb Free 3 VOLT INTEGRATED DTMF RECEIVER

Learn More

Datasheet

3,346In Stock

Cut Tape

$1.65

Reel

$1.65

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

DTMF - Dual-tone Multi-frequency Receivers

3.6 V

2.7 V

2 mA

- 40 C

+ 85 C

SMD/SMT

SSOP-20

Reel, Cut Tape, MouseReel

Telecom Interface ICs 28 CH HD LIU

82P2821BHG
Renesas Electronics
1: $171.19
5In Stock
End of Life

Mfr. Part No.
82P2821BHG

Mouser Part No
972-82P2821BHG

End of Life

Renesas Electronics

Telecom Interface ICs 28 CH HD LIU

Datasheet

5In Stock

$171.19

$149.78

$146.59

Min.: 1
Mult.: 1

E1 Line Interface Units - LIUs

SMD/SMT

PBGA-640

Tray

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

CMX469AE2
CML Micro
1: $30.42
56In Stock

Mfr. Part No.
CMX469AE2

Mouser Part No
226-CMX469AE2

CML Micro

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

Learn More

Datasheet

56In Stock

$30.42

$24.28

$20.69

$16.98

View

Min.: 1
Mult.: 1

Modems

4.5 mA

- 40 C

+ 85 C

SMD/SMT

TSSOP-24

Tube

Telecom Interface ICs 2400/2750bps Voice Codeing, 3600bps with FEC enabled

CMX618Q3
CML Micro
1: $17.03
74In Stock

Mfr. Part No.
CMX618Q3

Mouser Part No
226-CMX618Q3

CML Micro

Telecom Interface ICs 2400/2750bps Voice Codeing, 3600bps with FEC enabled

Learn More

Datasheet

74In Stock

$17.03

$16.47

$14.81

$14.08

View

Min.: 1
Mult.: 1

1.9 V

1.7 V

17.5 mA

- 40 C

+ 85 C

SMD/SMT

VQFN-48

Tray

Telecom Interface ICs Worldwide Tone Compatibility Single and Dual Tones detected

CMX673D4
CML Micro
1: $6.76
182In Stock

Mfr. Part No.
CMX673D4

Mouser Part No
226-CMX673D4

CML Micro

Telecom Interface ICs Worldwide Tone Compatibility Single and Dual Tones detected

Datasheet

182In Stock

$6.76

$5.40

$4.61

$3.78

View

Min.: 1
Mult.: 1

5.5 V

2.7 V

1 mA

- 40 C

+ 85 C

SMD/SMT

SOIC-16

Tube

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

CMX7143L4
CML Micro
1: $28.75
3In Stock
80Expected 24/09/2026

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

3In Stock

80Expected 24/09/2026

$28.75

$27.81

$25.01

$23.78

View

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
8In 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

8In Stock

$19.13

$18.50

$16.64

$15.82

View

Min.: 1
Mult.: 1

3.6 V

3 V

- 40 C

+ 85 C

SMD/SMT

LQFP-64

Tray

Telecom Interface ICs

Customer Service Office

Company

Resources

Support

DAA - Direct Access Arrangements
Digital Network Interface Circuits
DTMF - Dual-tone Multi-frequency Receivers
DTMF - Dual-tone Multi-frequency Transceivers
E1 Line Interface Units - LIUs
Ethernet Over PDH Mappers
Framers
ISDN Controllers
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

1 uA
8 uA
- 4.4 mA
1 mA
1.7 mA
2 mA
2.5 mA, 10 mA
3 mA
4 mA
4.5 mA
5.5 mA
7 mA
8.5 mA
8.6 mA
10 mA
15 mA
17.5 mA
20 mA
25 mA
43.8 mA, 44.6 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