電話控制板(Telephone Control Board)- 拆解:
這個是電話控制板(Telephone Control Board)尺寸 68mm × 68mm × 29mm,重量有 150g。用作電話控制功能,單面玻璃纖維(Glass Fiber PCB / Fiberglass),應該是客戶特別訂製,所以資料不詳。
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電話控制板(Telephone Control Board) |
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電話控制板(Telephone Control Board)正面 |
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電話控制板(Telephone Control Board)背面 |
電話控制板(Telephone Control Board)共有 6枚 IC(集成電路),Toshiba(東芝)TC35300AP DIP-18 封裝 Telecom DTMF Signaling Circuit,RCA(美國無線電)CD4514BE DIP-24 封裝 Telecom DTMF 4-Bit Latch/4-to-16 Line Decoder with Output High on Select,編號 1555 DIP-8 封裝 General Purpose Timers,Motorola(摩托羅拉)4N26 DIP-6 封裝 Optocoupler Phototransistor Output,2枚 AMI(American Microsystems Inc)18CV8PC-25 DIP-20 封裝 CMOS Programmable Electrically Erasable Logic Device。
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RCA(美國無線電)CD4514BE DIP-24封裝Telecom DTMF 4-Bit Latch/4-to-16 Line Decoder with Output High on Select |
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2枚 AMI(American Microsystems Inc)18CV8PC-25 DIP-20 封裝 CMOS Programmable Electrically Erasable Logic Device |
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Toshiba(東芝)TC35300AP DIP-18 封裝 Telecom DTMF Signaling Circuit |
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編號 1555 DIP-8 封裝General Purpose Timers |
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Motorola(摩托羅拉)4N26 DIP-6 封裝 Optocoupler Phototransistor Output |
產品電話控制板主要零件(BOM):
Type
|
Brand
|
P/N
|
Packaging
|
Telecom DTMF Signaling Circuit
|
Toshiba
|
TC35300AP
|
DIP-18
|
4-Bit Latch/4-to-16 Line Decoder with Output High on Select
|
RCA
|
CD4514BE
|
DIP-24
|
General Purpose Timers
|
|
1555
|
DIP-8
|
Optocoupler Phototransistor Output
|
Motorola
|
4N26
|
DIP-6
|
CMOS Programmable Electrically Erasable Logic Device
|
AMI
|
18CV8PC-25
|
DIP-20
|
CMOS Programmable Electrically Erasable Logic Device
|
AMI
|
< class="MsoNormal">18CV8PC-25
|
< class="MsoNormal" style="mso-pagination: widow-orphan;">DIP-20
|
2021年 4月 24日(Sat)天氣報告
氣溫:74.0°F / 23.0°C @ 08:00
風速:每小時 18 公里
相對濕度:百分之 83%
天氣:多雲時陰
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