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Part Name(s) : CD22859 CD22859E
Intersil
Description : Monolithic Silicon COS/MOS Dual-Tone Multifrequency Tone Generator
Part Name(s) : 75T2089 75T2089-IP 75T2090 75T2090-IP 75T2091-IH 75T2091-IP SSI75T2089 SSI75T2089-IP SSI75T2090 SSI75T2090-IP
Unspecified
Description : DTMF Transceivers
Part Name(s) : M761E M761EB1
STMicroelectronics
Description : DUAL TONE Multifrequency Generator
Part Name(s) : PCD3349AP PCD3349AT PCD3344A PCD3349A PCD3344AP PCD3344AT
Philips Electronics
Description : 8-bit microcontroller with DTMF Generator
Part Name(s) : 75T2089 75T2089-IP 75T2090 75T2090-IP 75T2091 75T2091-IH
TDK Corporation
Description : DTMF Transceivers
Part Name(s) : LS656 LS656AB LS656AD1 LS656B
STMicroelectronics
Description : TONE Generator INTERFACE TELEPHONE SPEECH CIRCUIT WITH Multifrequency
Part Name(s) : CD4030A CD4030AD CD4030AE CD4030AF CD4030AH
Intersil
Description : COS/MOS Quad Exclusive-OR Gate
Part Name(s) : NTE930
NTE Electronics
Description : Linear Integrated Circuit BiMOS Operational Amp
Part Name(s) : HCC4043 HCC4043B HCC4043BC1 HCC4043BEY HCC4043BF HCC4043BM1 HCC4044B HCC4044BC1 HCC4044BEY HCC4044BF
STMicroelectronics
Description : QUAD 3-STATE R-S LATCHES
Part Name(s) : PCD3350AH PCD3350A
Philips Electronics
Description : 8-bit microcontroller with DTMF Generator, 256 bytes EEPROM and real-time clock
Part Name(s) : MOS-1826PV
Minicircuits
Description : Surface Mount, Miniature Voltage Controlled Oscillator Linear Tuning 1766 to 1826 MHz
Toshiba
Description : BIPOLAR LINAR INTEGRATED CIRCUIT Silicon Monolithic
Part Name(s) : MOS-868-119
Minicircuits
Description : Voltage Controlled Oscillator
Part Name(s) : MOS-1826PV
Mini-Circuits
Description : Surface Mount, Miniature Voltage Controlled Oscillator
Part Name(s) : LM556 UTCLM556
Unisonic Technologies
Description : DUAL TIMER