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Interface IC's Telecom Interface ICs

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Part #

Telecom Interface ICs Pb Free DTMF RECEIVER SOIC

MT8870DS1
Microchip Technology
1: $1.60
154In Stock
End of Life

Mfr. Part No.
MT8870DS1

Mouser Part No
494-MT8870DS1

End of Life

Microchip Technology

Telecom Interface ICs Pb Free DTMF RECEIVER SOIC

Learn More

Datasheet

154In Stock

$1.60

Min.: 1
Mult.: 1

DTMF - Dual-tone Multi-frequency Receivers

5.25 V

4.75 V

3 mA

- 40 C

+ 85 C

SMD/SMT

SOIC-18

Tube

Telecom Interface ICs Integrated DTMF Transceiver with Adaptive Micro Interface

MT8889CS1
Microchip Technology
1: $5.81
27In Stock
End of Life

Mfr. Part No.
MT8889CS1

Mouser Part No
494-MT8889CS1

End of Life

Microchip Technology

Telecom Interface ICs Integrated DTMF Transceiver with Adaptive Micro Interface

Learn More

Datasheet

27In Stock

$5.81

Min.: 1
Mult.: 1

DTMF - Dual-tone Multi-frequency Transceivers

5.25 V

4.75 V

7 mA

- 40 C

+ 85 C

SMD/SMT

SOIC-20

Tube

Telecom Interface ICs

SI3019-F-GT
Skyworks Solutions, Inc.
1: $12.92
2,112On Order

Mfr. Part No.
SI3019-F-GT

Mouser Part No
634-SI3019-F-GT

Skyworks Solutions, Inc.

Telecom Interface ICs

Datasheet

Product Comments

2,112On Order

$12.92

$10.50

$10.02

$8.70

View

Min.: 1
Mult.: 1

Voice DAAs

3.6 V

3 V

8.5 mA

- 40 C

+ 85 C

SMD/SMT

TSSOP-16

Tube

Telecom Interface ICs 3.3V LH SINGLE LIU

82V2081PPG
Renesas Electronics
1: $32.02
240Expected 17/04/2026

Mfr. Part No.
82V2081PPG

Mouser Part No
972-82V2081PPG

Renesas Electronics

Telecom Interface ICs 3.3V LH SINGLE LIU

Datasheet

240Expected 17/04/2026

$32.02

$25.94

$25.10

$24.50

View

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 DATA COMM PEF32001VSV12 VQFN44 SLLU3 CO

PEF32001VSV12
MaxLinear
1: $3.32
4,030Expected 18/02/2026

Mfr. Part No.
PEF32001VSV12

Mouser Part No
607-F32001VSV12SLLU3

MaxLinear

Telecom Interface ICs DATA COMM PEF32001VSV12 VQFN44 SLLU3 CO

Datasheet

4,030Expected 18/02/2026

$3.32

$2.16

$1.99

$1.71

View

Min.: 1
Mult.: 1

SMD/SMT

PG-VQFN-44

Tray

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

CMX7143L4
CML Micro
1: $27.00
135Expected 13/03/2026

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

135Expected 13/03/2026

$27.00

$26.11

$23.48

$22.33

View

Min.: 1
Mult.: 1

Modems

- 40 C

+ 85 C

SMD/SMT

LQFP-48

Tray

Telecom Interface ICs Pb Free Integrated DTMF RCVR

MT8870DNR1
Microchip Technology
1: $2.28
981On Order
End of Life

Mfr. Part No.
MT8870DNR1

Mouser Part No
494-MT8870DNR1

End of Life

Microchip Technology

Telecom Interface ICs Pb Free Integrated DTMF RCVR

Learn More

Datasheet

981On Order

Cut Tape

$2.28

$2.17

Reel

$2.06

Min.: 1
Mult.: 1

Reel: 1,000

DTMF - Dual-tone Multi-frequency Receivers

5.25 V

4.75 V

3 mA

- 40 C

+ 85 C

SMD/SMT

SSOP-20

Reel, Cut Tape

Telecom Interface ICs Pb Free Integrated DTMF RCVR

MT8870DN1
Microchip Technology
1: $2.15
264Expected 06/03/2026
End of Life

Mfr. Part No.
MT8870DN1

Mouser Part No
494-MT8870DN1

End of Life

Microchip Technology

Telecom Interface ICs Pb Free Integrated DTMF RCVR

Learn More

Datasheet

264Expected 06/03/2026

$2.15

$2.04

$1.94

Min.: 1
Mult.: 1

DTMF - Dual-tone Multi-frequency Receivers

5.25 V

4.75 V

3 mA

- 40 C

+ 85 C

SMD/SMT

SSOP-20

Tube

Telecom Interface ICs 40MA TIP & RING INJECTP

HC9P5504B-5Z
Renesas / Intersil
300: $16.91
1,350Factory Stock Available

Mfr. Part No.
HC9P5504B-5Z

Mouser Part No
968-HC9P5504B-5Z

Renesas / Intersil

Telecom Interface ICs 40MA TIP & RING INJECTP

Datasheet

1,350Factory Stock Available

More Info Available

$16.91

Min.: 300
Mult.: 300

Subscriber Line Interface Circuits - SLICs

SMD/SMT

SOIC-24

Tube

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

DS21348GN+
Analog Devices / Maxim Integrated
416: $23.30
715Factory Stock Available

Mfr. Part No.
DS21348GN+

Mouser Part No
700-DS21348GN

Analog Devices / Maxim Integrated

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

Datasheet

715Factory Stock Available

More Info Available

$23.30

Quote

Min.: 416
Mult.: 416

T1/E1/J1 Line Interface Units - LIUs

3.465 V

3.135 V

- 40 C

+ 85 C

SMD/SMT

CSBGA-49

Tray

Telecom Interface ICs 3.3V/5V E1 Single Chip Transceivers (SCT

DS21354L+
Analog Devices / Maxim Integrated
90: $44.88
353Factory Stock Available

Mfr. Part No.
DS21354L+

Mouser Part No
700-DS21354L

Analog Devices / Maxim Integrated

Telecom Interface ICs 3.3V/5V E1 Single Chip Transceivers (SCT

Datasheet

353Factory Stock Available

More Info Available

$44.88

$43.48

Min.: 90
Mult.: 90

E1 Line Interface Units - LIUs

3.465 V

3.135 V

0 C

+ 70 C

SMD/SMT

LQFP-100

Tray

Telecom Interface ICs Single/Dual/Quad/Octal TDM-Over-Packet C

DS34T108GN+
Analog Devices / Maxim Integrated
60: $212.14
203Factory Stock Available

Mfr. Part No.
DS34T108GN+

Mouser Part No
700-DS34T108GN

Analog Devices / Maxim Integrated

Telecom Interface ICs Single/Dual/Quad/Octal TDM-Over-Packet C

Datasheet

203Factory Stock Available

More Info Available

$212.14

Quote

Min.: 60
Mult.: 60

TDM-over-Packets

3.465 V

3.135 V

- 40 C

+ 85 C

SMD/SMT

HSBGA-484

Tray

Telecom Interface ICs Single/Dual/Quad/Octal TDM-Over-Packet C

DS34T104GN+
Analog Devices / Maxim Integrated
60: $143.03
62Factory Stock Available

Mfr. Part No.
DS34T104GN+

Mouser Part No
700-DS34T104GN

Analog Devices / Maxim Integrated

Telecom Interface ICs Single/Dual/Quad/Octal TDM-Over-Packet C

Datasheet

62Factory Stock Available

More Info Available

$143.03

Quote

Min.: 60
Mult.: 60

TDM-over-Packets

1.89 V, 3.465 V

1.71 V, 3.135 V

- 40 C

+ 85 C

SMD/SMT

TEBGA-484

Tray

Telecom Interface ICs 3.3V/5V E1 Single Chip Transceivers (SCT

DS21354LC1+
Analog Devices / Maxim Integrated
90: $44.88
1,497Factory Stock Available

Mfr. Part No.
DS21354LC1+

Mouser Part No
700-DS21354LC1

Analog Devices / Maxim Integrated

Telecom Interface ICs 3.3V/5V E1 Single Chip Transceivers (SCT

Datasheet

1,497Factory Stock Available

More Info Available

$44.88

$43.48

Min.: 90
Mult.: 90

E1 Line Interface Units - LIUs

3.465 V

3.135 V

0 C

+ 70 C

SMD/SMT

LQFP-100

Tray

Telecom Interface ICs 3.3V/5V E1 Single Chip Transceivers (SCT

DS21554LN+
Analog Devices / Maxim Integrated
90: $51.40
1,861Factory Stock Available

Mfr. Part No.
DS21554LN+

Mouser Part No
700-DS21554LN

Analog Devices / Maxim Integrated

Telecom Interface ICs 3.3V/5V E1 Single Chip Transceivers (SCT

Datasheet

1,861Factory Stock Available

More Info Available

$51.40

Quote

Min.: 90
Mult.: 90

E1 Line Interface Units - LIUs

5.25 V

4.75 V

- 40 C

+ 85 C

SMD/SMT

LQFP-100

Tray

Telecom Interface ICs 1CH 150V miSLIC, 36QFN, T&R

LE9653AQCT
Microchip Technology
3,000: $2.06
Non-Stocked Lead-Time 4 Weeks

Mfr. Part No.
LE9653AQCT

Mouser Part No
494-LE9653AQCT

Microchip Technology

Telecom Interface ICs 1CH 150V miSLIC, 36QFN, T&R

Datasheet

Non-Stocked Lead-Time 4 Weeks

Reel

$2.06

Min.: 3,000
Mult.: 3,000

Reel: 3,000

SMD/SMT

VQFN-36

Reel

Telecom Interface ICs 1CH 100V miSLIC, 36QFN, T&R

LE9643AQCT
Microchip Technology
1: $2.22
Non-Stocked Lead-Time 4 Weeks

Mfr. Part No.
LE9643AQCT

Mouser Part No
494-LE9643AQCT

Microchip Technology

Telecom Interface ICs 1CH 100V miSLIC, 36QFN, T&R

Datasheet

Non-Stocked Lead-Time 4 Weeks

Cut Tape

$2.22

$1.85

$1.83

Reel

$1.83

Min.: 1
Mult.: 1

Reel: 3,000

SMD/SMT

VQFN-36

Reel, Cut Tape

Telecom Interface ICs 2CH 120V ABS miSLIC PCM, 53QFN, T&R

LE9622RQCT
Microchip Technology
3,000: $3.11
Non-Stocked Lead-Time 4 Weeks

Mfr. Part No.
LE9622RQCT

Mouser Part No
494-LE9622RQCT

Microchip Technology

Telecom Interface ICs 2CH 120V ABS miSLIC PCM, 53QFN, T&R

Datasheet

Non-Stocked Lead-Time 4 Weeks

Reel

$3.11

Min.: 3,000
Mult.: 3,000

Reel: 3,000

SMD/SMT

VQFN-53

Reel

Telecom Interface ICs 2CH UNIV SLIC, 100V, QFN40, T&R

LE9540CUQCT
Microchip Technology
4,000: $2.75
Non-Stocked Lead-Time 4 Weeks

Mfr. Part No.
LE9540CUQCT

Mouser Part No
494-LE9540CUQCT

Microchip Technology

Telecom Interface ICs 2CH UNIV SLIC, 100V, QFN40, T&R

Datasheet

Non-Stocked Lead-Time 4 Weeks

Reel

$2.75

Min.: 4,000
Mult.: 4,000

Reel: 4,000

Subscriber Line Interface Circuits - SLICs

SMD/SMT

VQFN-40

Reel

Telecom Interface ICs 2CH 150V miSLIC PCM, 53QFN, T&R

LE9632RQCT
Microchip Technology
3,000: $3.23
Non-Stocked Lead-Time 5 Weeks

Mfr. Part No.
LE9632RQCT

Mouser Part No
494-LE9632RQCT

Microchip Technology

Telecom Interface ICs 2CH 150V miSLIC PCM, 53QFN, T&R

Datasheet

Non-Stocked Lead-Time 5 Weeks

Reel

$3.23

Min.: 3,000
Mult.: 3,000

Reel: 3,000

SMD/SMT

VQFN-53

Reel

Telecom Interface ICs 1CH 100V miSLIC, 36QFN

LE9643AQC
Microchip Technology
2,450: $1.75
Non-Stocked Lead-Time 5 Weeks

Mfr. Part No.
LE9643AQC

Mouser Part No
494-LE9643AQC

Microchip Technology

Telecom Interface ICs 1CH 100V miSLIC, 36QFN

Datasheet

Non-Stocked Lead-Time 5 Weeks

$1.75

Min.: 2,450
Mult.: 2,450

SMD/SMT

VQFN-36

Tray

Telecom Interface ICs 2CH UNIV SLIC, 145V, QFN40, T&R

LE9540DUQCT
Microchip Technology
4,000: $3.10
Non-Stocked Lead-Time 4 Weeks

Mfr. Part No.
LE9540DUQCT

Mouser Part No
494-LE9540DUQCT

Microchip Technology

Telecom Interface ICs 2CH UNIV SLIC, 145V, QFN40, T&R

Datasheet

Non-Stocked Lead-Time 4 Weeks

Reel

$3.10

Min.: 4,000
Mult.: 4,000

Reel: 4,000

Subscriber Line Interface Circuits - SLICs

SMD/SMT

VQFN-40

Reel

Telecom Interface ICs 2CH UNIV SLIC, 145V, QFN40

LE9540DUQC
Microchip Technology
2,450: $3.02
Non-Stocked Lead-Time 4 Weeks

Mfr. Part No.
LE9540DUQC

Mouser Part No
494-LE9540DUQC

Microchip Technology

Telecom Interface ICs 2CH UNIV SLIC, 145V, QFN40

Datasheet

Non-Stocked Lead-Time 4 Weeks

$3.02

Min.: 2,450
Mult.: 2,450

Subscriber Line Interface Circuits - SLICs

3.3 V

SMD/SMT

QFN-40

Tray

Telecom Interface ICs 1CH 150V miSLIC, 36QFN

LE9653AQC
Microchip Technology
2,450: $1.98
Non-Stocked Lead-Time 4 Weeks

Mfr. Part No.
LE9653AQC

Mouser Part No
494-LE9653AQC

Microchip Technology

Telecom Interface ICs 1CH 150V miSLIC, 36QFN

Datasheet

Non-Stocked Lead-Time 4 Weeks

$1.98

Min.: 2,450
Mult.: 2,450

SMD/SMT

VQFN-36

Tray

Telecom Interface ICs VCPNG,72CH,DATA AG,LNTEST, TQFP128

LE79124KVC
Microchip Technology
450: $16.60
Non-Stocked Lead-Time 7 Weeks

Mfr. Part No.
LE79124KVC

Mouser Part No
494-LE79124KVC

Microchip Technology

Telecom Interface ICs VCPNG,72CH,DATA AG,LNTEST, TQFP128

Datasheet

Non-Stocked Lead-Time 7 Weeks

$16.60

Min.: 450
Mult.: 450

SMD/SMT

TQFP-128

Tray

Interface IC's Telecom Interface ICs

Customer Service Office

Company

Resources

Support

Caller ID ICs
DAA - Direct Access Arrangements
Digital Network Interface Circuits
Digital Subscriber 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

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-196
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