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参数资料
| 型号： | STCD23300F35F |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 时钟及定时 |
| 英文描述： | 2330 SERIES, LOW SKEW CLOCK DRIVER, 4 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PBGA12 |
| 封装： | 1.20 X 1.60 MM, 0.40 MM PITCH, ROHS COMPLIANT, FLIP CHIP-12 |
| 文件页数： | 9/39页 |
| 文件大小： | 1948K |
| 代理商： | STCD23300F35F |
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STCD22x0, STCD23x0, STCD24x0
Application information
Doc ID 15400 Rev 2
4.8
Typical application connections
The STCD2400 clock distribution circuit requires a source clock input as the reference clock
(for example, XO). At most 4 devices can be connected to the outputs. The typical
application circuit using STCD2400 is shown in
REQ is open drain
output and active low. A pull-up resistor is needed to connect to an external 1.8 V supply
VIO. If the clock source enable is active high, the user can use VTCXO as the master clock
enable control signal, please refer to
Figure 4 for the detailed connection.
In
Figure 9, the clock from XO is distributed to the TD-SCDMA transmitter and receiver and
GSM transceiver separately to be used as reference clocks.
In
Figure 10, 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 disables the clock output. The enable
pins can also be connected to an external 1.8 V supply to force the buffer to always be on.
In
are connected to VCC.
Figure 9.
Typical application circuit using STCD24x0 for RF ends of TD-
SCDMA/GSM dual-mode mobile phone
STCD24x0
VCC
MCREQ
VTCXO
MCLK
EN1
EN2
GND
BYP
CLK1
CLK2
EN3
CLK3
EN4
CLK4
XO
EN
VIO
C
GSM
Transceiver
TD-SCDMA
Receiver
TD-SCDMA
Transmitter
Mode
Selection
OPT1
OPT2
VCC
V
DD
ai14022
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相关代理商/技术参数 |
参数描述 |
|---|---|
| STCD2400 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:Multichannel clock distribution circuit |
| STCD2400F35F | 功能描述:MOSFET Multichannel Clock 1.8V RF 40pF RoHS:否 制造商:STMicroelectronics 晶体管极性:N-Channel 汲极/源极击穿电压:650 V 闸/源击穿电压:25 V 漏极连续电流:130 A 电阻汲极/源极 RDS（导通）:0.014 Ohms 配置:Single 最大工作温度: 安装风格:Through Hole 封装 / 箱体:Max247 封装:Tube |
| STCD500100 | 制造商:Seagate Technology 功能描述:SEAGATE SLIM - Trays 制造商:Seagate Technology 功能描述:500GB Slim Portable USB 3.0 External Hard Drive |
| STCD500102 | 制造商:Seagate Technology 功能描述:SEAGATE SLIM (COBRA), BLACK USB 3.0 500GB - Trays |
| STCD500104 | 制造商:Seagate Technology 功能描述:500GB Backup Plus Portable USB 3.0 External Hard Drive Silver |
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