- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄385406 > HT9020 (Holtek Semiconductor Inc.) Call Progress Tone Decoder & ABR Controller PDF資料下載
參數(shù)資料
| 型號(hào)： | HT9020 |
| 廠商： | Holtek Semiconductor Inc. |
| 英文描述： | Call Progress Tone Decoder & ABR Controller |
| 中文描述： | 呼叫進(jìn)展音解碼器 |
| 文件頁數(shù)： | 2/12頁 |
| 文件大?。?/td> | 477K |
| 代理商： | HT9020 |
Block Diagram
Pin Assignment
Pin Description
Pin Name
I/O
Internal
Connection
Description
DE C/ABRC
I
CMOS IN
When this pin is connected to V
DD
, the chip is in the call
progress tone decoder mode (
CPTD mode
)
When this pin is connected to V
SS
, the chip is in the auto busy
redial controller mode (
ABR C mode
)
OE /HK OFF
I
CMOS IN
CPTD mode:
DIAL, RBK , BUSY and E NV pin tristate output
control pin. OE =V
DD
: Tristate output selected
ABR C mode:
Off hook sense pin
HK OFF=V
DD
: Reset controller and disable ABR operation
HT9020
2
21st Aug ’98
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| HT9020A | Call Progress Tone Decoder & ABR Controller |
| HT9032 | Calling Line Identification Receiver |
| HT9033 | CAS Tone Detector |
| HT9170 | DTMF Receiver |
| HT9170B | DTMF Receiver |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HT9020A | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:Call Progress Tone Decoder & ABR Controller |
| HT9020A(18DIP) | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Subscriber Line Metering/Monitoring Circuit |
| HT9020A(18SOIC) | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Subscriber Line Metering/Monitoring Circuit |
| HT9020B | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:Call Progress Tone Decoder & ABR Controller |
| HT9030 | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:Calling line identification receiver |
發(fā)布緊急采購，3分鐘左右您將得到回復(fù)。