| PART |
Description |
Maker |
| CD22859 CD22859E |
Monolithic Silicon COS/MOS Dual-Tone Multifrequency Tone Generator
|
INTERSIL[Intersil Corporation]
HARRIS
|
| EM91403A_B_C_D EM91403CK EM91403DK EM91403 EM91403 |
TelephoneDialerMulti-FunctionDialer
TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE AND DUAL-TONE MELODY GENERATOR
|
EMC[ELAN Microelectronics Corp]
|
| EM91403A/B/C/D EM91403AP |
TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE AND DUAL-TONE MELODY GENERATOR
Telephone Dialer Multi-Function Dialer
|
ELAN Microelectronics C...
ELAN Microelctronics Corp .
|
| M994AT-LB M994A M994A-05 M994A-19 M994A-68 M994A-6 |
From old datasheet system
VDD CONTROL DUAL TONE
Dual tone 128 notes, Switch of one octave lower output, TO92-3L?DIP 16L or CHIP form
BOOK, EMC FILTERS, EPCOS, DATA 20; RoHS Compliant: NA 128双音指出，一个八度低输出，TO92 - 3升开关？双酯16L型或芯片形式
Dual tone 128 notes, Switch of one octave lower output, TO92-3LDIP 16L or CHIP form 128双音指出，一个八度低输出，TO92 - 3升开关？双酯16L型或芯片形式
|
List of Unclassifed Manufacturers
ETC[ETC]
MOSDESIGN SEMICONDUCTOR CORP
Electronic Theatre Controls, Inc.
|
| MT9122 MT9122AP |
Dual Voice Echo Canceller with Tone Detection(双话音回声消除器（带音调检测功能）)
CMOS Dual Voice Echo Canceller with Tone Detection CMOS双语音回声消除的音侦
|
Mitel Networks Corporation
Mitel Networks, Corp.
|
| SM8224 SM8224BS SM8224B SM8224BM |
Dual-Tone Receiver IC
|
http://
NPC[Nippon Precision Circuits Inc]
|
| SM8224C CF8224C SM8224CM |
Dual-Tone Receiver IC
|
Nippon Precision Circuits Inc
|
| RTS903 |
DUAL-TONE MELODY GENERATOR
|
M-Square
|
| MC145740F |
Dual Tone Multiple Frequency Line Interface
|
Motorola, Inc
|
| UTC1668 |
DUAL TONE MELODY XMAS LIGHT CONTROL
|
Unisonic Technologies
|
