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Serial Telecom Interface ICs

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) Filter the results in the table by unit price based on your quantity.	Qty.	Product	Supply Voltage - Max	Supply Voltage - Min	Operating Supply Current	Minimum Operating Temperature	Maximum Operating Temperature	Mounting Style	Package / Case	Packaging
Telecom Interface ICs V.22bis, V.22/ Bell 212A, V.23, Bell 202, V.21, DTMF Encoder/Decoder CMX868AE2 CML Micro 1: $8.24 559In Stock	Mfr. Part # CMX868AE2 Mouser Part # 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	$8.24 $7.98 $7.25 View Quote	Min.: 1 Mult.: 1	Modems			5.5 mA	- 40 C	+ 85 C	SMD/SMT	TSSOP-24	Tube
Telecom Interface ICs Telecom Signalling Device with DTMF Encoder/Decoder, V.23/ V.21/ Bell 103/ Bell 202 FSK Modem CMX865AE4 CML Micro 1: $4.05 797In Stock 665Expected 11/24/2026	Mfr. Part # CMX865AE4 Mouser Part # 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	797In Stock 665Expected 11/24/2026	$4.05	Min.: 1 Mult.: 1		3.6 V	3 V	4 mA	- 40 C	+ 85 C	SMD/SMT	TSSOP-16	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: $9.10 427In Stock	Mfr. Part # CMX869BE2 Mouser Part # 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	427In Stock	$9.10	Min.: 1 Mult.: 1	Modems			8.6 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 19In Stock	Mfr. Part # CMX7143L4 Mouser Part # 226-CMX7143L4	CML Micro	Telecom Interface ICs Function Images Supporting GMSK/GFSK, 4FSK, FFSK/MSK Learn More about CML Micro circuits cmx7143	Datasheet	19In Stock	$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 23In Stock	Mfr. Part # CMX7164Q1 Mouser Part # 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 about CML Micro circuits cmx7164	Datasheet	23In Stock	$28.07 $27.15 $24.42 $23.22 View Quote	Min.: 1 Mult.: 1	Modems				- 40 C	+ 85 C	SMD/SMT	VQFN-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 207In Stock 470On Order	Mfr. Part # CMX865AD4 Mouser Part # 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	207In Stock 470On Order On Order Ship Dates Mfr. #: CMX865AD4 Stock: 207 Can Ship Immediately On Order: 141 Expected 10/20/2026 329 Expected 11/24/2026 Factory Lead-Time: 27 Weeks	$4.93 $4.80 $4.39 $4.05	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 78In Stock	Mfr. Part # CMX867AD2 Mouser Part # 226-CMX867AD2	CML Micro	Telecom Interface ICs V.22/ Bell 212A, V.23, Bell 202, V.21, DTMF Encoder/Decoder	Datasheet	78In Stock	$6.02 $5.82 $5.30 $5.29 View Quote	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: $6.41 9In Stock 124Expected 10/13/2026	Mfr. Part # CMX867AE2 Mouser Part # 226-CMX867AE2	CML Micro	Telecom Interface ICs V.22/ Bell 212A, V.23, Bell 202, V.21, DTMF Encoder/Decoder	Datasheet	9In Stock 124Expected 10/13/2026	$6.41 $6.19 $5.58	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 5In Stock 341On Order	Mfr. Part # CMX868AD2 Mouser Part # 226-CMX868AD2	CML Micro	Telecom Interface ICs V.22bis, V.22/ Bell 212A, V.23, Bell 202, V.21, DTMF Encoder/Decoder	Datasheet	5In Stock 341On Order On Order Ship Dates Mfr. #: CMX868AD2 Stock: 5 Can Ship Immediately On Order: 62 Expected 10/13/2026 279 Expected 11/24/2026 Factory Lead-Time: 27 Weeks	$8.78 $8.49 $7.63	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 58In Stock	Mfr. Part # CMX869BD2 Mouser Part # 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	58In Stock	$11.01 $10.65 $9.57 $9.10 View Quote	Min.: 1 Mult.: 1	Modems			8.6 mA	- 40 C	+ 85 C	SMD/SMT	SOIC-24	Tube
Telecom Interface ICs The CMX7364 is a flexible, high performance, wideband wireless data modem with Twice the maximum data rate of CML's CMX7164 modem CMX7364Q1 CML Micro 1: $28.07 A tariff of 8% may be applied if shipping to the United States. 40Expected 10/19/2026	Mfr. Part # CMX7364Q1 Mouser Part # 226-CMX7364Q1	CML Micro	Telecom Interface ICs The CMX7364 is a flexible, high performance, wideband wireless data modem with Twice the maximum data rate of CML's CMX7164 modem Learn More about CML Micro cml cmx7364 data modem	Datasheet	40Expected 10/19/2026	$28.07 $24.42 A tariff of 8% may be applied if shipping to the United States.	Min.: 1 Mult.: 1	Modems						SMD/SMT	VQFN-64	Tray
Telecom Interface ICs 1CH, UNIC SLIC, 100V LE9551CMQC Microchip Technology 2,450: $2.89 Non-Stocked	Mfr. Part # LE9551CMQC Mouser Part # 494-LE9551CMQC	Microchip Technology	Telecom Interface ICs 1CH, UNIC SLIC, 100V	Datasheet	Non-Stocked	$2.89	Min.: 2,450 Mult.: 2,450	SLIC - Subscriber Line Interface Circuits	3.3 V	3.3 V				SMD/SMT	QFN-28	Tray
Telecom Interface ICs 1CH, UNIC SLIC, 100V LE9551CMQCT Microchip Technology 3,000: $3.00 Non-Stocked	Mfr. Part # LE9551CMQCT Mouser Part # 494-LE9551CMQCT	Microchip Technology	Telecom Interface ICs 1CH, UNIC SLIC, 100V	Datasheet	Non-Stocked	Reel $3.00	Min.: 3,000 Mult.: 3,000 : 3,000	SLIC - Subscriber Line Interface Circuits	3.3 V	3.3 V				SMD/SMT	QFN-28	Reel
Telecom Interface ICs 1CH, UNIV SLIC, 145V LE9551DMQC Microchip Technology 2,450: $3.20 Non-Stocked	Mfr. Part # LE9551DMQC Mouser Part # 494-LE9551DMQC	Microchip Technology	Telecom Interface ICs 1CH, UNIV SLIC, 145V	Datasheet	Non-Stocked	$3.20	Min.: 2,450 Mult.: 2,450	SLIC - Subscriber Line Interface Circuits	3.3 V	3.3 V				SMD/SMT	QFN-28	Tray
Telecom Interface ICs 1CH, UNIV SLIC, 145V LE9551DMQCT Microchip Technology 3,000: $3.35 Non-Stocked	Mfr. Part # LE9551DMQCT Mouser Part # 494-LE9551DMQCT	Microchip Technology	Telecom Interface ICs 1CH, UNIV SLIC, 145V	Datasheet	Non-Stocked	Reel $3.35	Min.: 3,000 Mult.: 3,000 : 3,000	SLIC - Subscriber Line Interface Circuits	3.3 V	3.3 V				SMD/SMT	QFN-28	Reel

Serial Telecom Interface ICs

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