SM8230A中文資料NPC數(shù)據(jù)手冊PDF規(guī)格書
SM8230A規(guī)格書詳情
OVERVIEW
The SM8230A is a dual-tone signal generator LSI developed for DTMF (dual tone multi-frequency) dialing. It features a built-in piezo-electric speaker driver for direct connection to a piezo-electric buzzer.
The DTMF frequencies can be set to correspond to the DTMF standards of any country. The output level is also adjustable under software control. These features, combined with its small package and low power dissipation, make the SM8230A a very use device to use.
FEATURES
■ 3-line serial interface to external CPU
■ 2 independent, adjustable frequency outputs
■ Piezo driver for direct connection to a piezoelectric buzzer
■ 4 system clock frequencies selectable (480 kHz, 960 kHz, 1.92 MHz, 3.84 MHz)
■ 2.6 to 3.3 V supply voltage
■ Low current consumption
? 3.0 mA (max) operating current
? 1 μA (max) standby current
■ 8-pin plastic SOP
產(chǎn)品屬性
- 型號：
SM8230A
- 制造商：
NEC
- 制造商全稱：
NEC
- 功能描述：
Tone Dialer with Built-in Piezo Driver
| 供應(yīng)商 | 型號 | 品牌 | 批號 | 封裝 | 庫存 | 備注 | 價格 |
|---|---|---|---|---|---|---|---|
NPC |
23+ |
SOP8 |
8560 |
受權(quán)代理!全新原裝現(xiàn)貨特價熱賣! |
詢價 | ||
SSMEC |
QQ咨詢 |
CDIP |
139 |
全新原裝 研究所指定供貨商 |
詢價 | ||
NPC |
24+ |
SOP-8 |
4897 |
絕對原裝!現(xiàn)貨熱賣! |
詢價 | ||
QUALCOMM/高通 |
24+ |
BGA |
48255 |
只做全新原裝進(jìn)口現(xiàn)貨 |
詢價 | ||
N/A |
2020+ |
QFP |
1100 |
原裝現(xiàn)貨,優(yōu)勢渠道訂貨假一賠十 |
詢價 | ||
24+ |
3000 |
自己現(xiàn)貨 |
詢價 | ||||
原裝 |
24+ |
QFP |
5000 |
只做原裝公司現(xiàn)貨 |
詢價 | ||
NPC |
24+ |
NA/ |
887 |
優(yōu)勢代理渠道,原裝正品,可全系列訂貨開增值稅票 |
詢價 | ||
原裝 |
25+23+ |
QFP |
24800 |
絕對原裝正品全新進(jìn)口深圳現(xiàn)貨 |
詢價 | ||
NPC |
23+ |
SOP-8 |
50000 |
全新原裝正品現(xiàn)貨,支持訂貨 |
詢價 |
