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參數(shù)資料
| 型號： | STCD1020RDG6E |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 時(shí)鐘及定時(shí) |
| 英文描述： | PLL BASED CLOCK DRIVER, PDSO8 |
| 封裝： | 2 X 2 MM, ROHS COMPLIANT, TDFN-8 |
| 文件頁數(shù)： | 3/40頁 |
| 文件大?。?/td> | 1775K |
| 代理商： | STCD1020RDG6E |
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STCD1020, STCD1030, STCD1040
Application information
3
Application information
3.1
Typical applications
The STCD1020, STCD1030 and STCD1040 distribute a source clock (for example, from
VCTCXO) to 2, 3 or 4 channel outputs. The typical application circuits using STCD1040 are
In Figure 7, the clock from VCTCXO is distributed to the TD-SCDMA transmitter and
receiver and GSM transceiver separately.
In Figure 8, the buffer #4 output is fed into the Bluetooth system. In order to allow minimum
power consumption, a Bluetooth system always has a clock request feature. If the Bluetooth
system does not require the clock, the clock request will disable the clock output.
The enable pins can also be connected to logic high to let the channel output always on. If
the channels of STCD1020, STCD1030 and STCD1040 are not used in the application, the
enable pins of the channels should be connected to ground on PCB.
Figure 7.
Typical application circuit using STCD1040 for RF ends of TD-
SCDMA/GSM dual mode mobile phone
STCD1040
VCTCXO
VCC
MCLK
GND
EN4
VCC
EN3
EN2
EN1
CLK1
CLK2
CLK3
CLK4
ai13954
Mode
selection
TD-SCDMA
transmitter
TD-SCDMA
receiver
GSM
transceiver
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| STCD1020RDG6F | 功能描述:時(shí)鐘緩沖器 MULTI-CHANNEL CLOCK DISTRIBUTION CIRCUIT RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:5 最大輸入頻率:40 MHz 傳播延遲（最大值）: 電源電壓-最大:3.45 V 電源電壓-最小:2.375 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LLP-24 封裝:Reel |
| STCD1020RDH6E | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Multichannel clock distribution circuit |
| STCD1020RDH6F | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Multichannel clock distribution circuit |
| STCD1020RDM6E | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Multichannel clock distribution circuit |
| STCD1020RDM6F | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Multichannel clock distribution circuit |
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