| PART |
Description |
Maker |
| MT3371B |
Wide Dynamic Range (50dB) DTMF Receiver with delayed DTMF tone detection and power down mode (4.19MHz Xtal)
|
Zarlink Semiconductor
|
| LC73701M 1646 LC72701M |
TELEPHONE DIALER CKT, PDSO18
From old datasheet system
CMOS LSI
DTMF/PULSE Output Serial Interface Dialler(DTMF/PULSE输出模式串行接口拨号 双音多频/脉冲输出串行接口拨号器（双音多频/脉冲输出模式串行接口拨号器）
|
Sanyo Semicon Device
Sanyo Electric Co., Ltd.
|
| ZL49020 ZL49011 ZL49030 ZL49031 ZL49010 ZL49020DAA |
Wide Dynamic Range (50dB) DTMF Receiver with delayed DTMF tone detection (3.58MHz Xtal)
Wide Dynamic Range (50dB) DTMF Receiver with Delayed DTMF tone detection and power down mode (3.58MHz Xtal)
Wide Dynamic Range (50dB) DTMF Receiver with early DTMF tone detection (3.58MHz Xtal)
Wide Dynamic Range (50dB) DTMF Receiver with early DTMF tone detection and power down mode (3.58MHz Xtal)
Wide Dynamic Range DTMF Receiver
|
ZARLINK[Zarlink Semiconductor Inc]
|
| W921E400A W921C400 |
4-BIT MCU w/4Kx10 FLASH, 512x4 RAM, 21 I/Os, DTMF
4-BIT MCU w/4Kx10 ROM, 512x4 RAM, 21 I/Os, DTMF
|
Winbond Electronics
|
| TC35310F |
DTMF RECEIVER
|
Toshiba Corporation
|
| M-927 |
DTMF Receiver
|
Teltone
|
| SC9270C SC9270D |
DTMF RECEIVER
|
Silan Microelectronics Joint-stock
|
| PBD3535 |
DTMF Generator
|
SGS
|
| M957 |
DTMF Receiver
|
Teltone
|
| HT9170 HT9170B HT9170D |
DTMF Receiver
|
HOLTEK[Holtek Semiconductor Inc]
|
| HT9172 |
DTMF Receiver
|
Holtek Semiconductor Inc.
|
| MV5089 |
DTMF Generator
|
Plessey
|
