CSD15380F3T_BLM21BD222TN1D Introduction

From a regional perspective, Japan closed the largest number of fabs. It is reported that Renesas expects to close two more 150mm fabs in 2020 or 2021. Take Renesas as an example. The company's two recently closed fabs are both 150mm, including a fab in Kochi Prefecture, Japan, which produces analog, logic devices and some obsolete micro components. In addition, Renesas has adjusted its factory in Otsu, Shiga Prefecture, Japan, to manufacture optoelectronic devices.

The TI BAW oscillator is an electronic oscillator circuit that utilizes the piezoelectric effect to generate a stable electronic signal through the mechanical resonance of a vibrating miniature acoustic resonator (BAW). This precise high-frequency signal provides a clock and timing reference for electronic systems.

CSD15380F3T_BLM21BD222TN1D

TPS62135RGXR

"Quartz crystals require additional components to extend their accuracy -- over time -- as their performance changes beyond controllable temperature changes," he added. In addition, Solis said, "using a BAW resonator is more efficient than using a quartz crystal. precise.

SN74HCS74QPWRQ1 BQ27200EVM TPD8F003DQDR LMC6082AIN/NOPB.

DAC7311IDCKR TPS62260DDCR TPS62260DDCT TPS62261TDRVRQ1 TCA9544APWR.

So, does this mean that 150mm wafers are gradually withdrawing from the stage of history? The answer is no, there is still a huge market space for 150mm wafers. A large number of 150mm fabs in the industry were closed, and more and more 300mm fabs were launched and gradually achieved mass production.

CSD15380F3T_BLM21BD222TN1D

TMP100NA/3K

BQ24311DSGR TIC10024QDCPRQ1 TL331IDBVR TL331IDBVT TPS63070RNMT.

TPS630701RNMT TPS630702RNMR TPS54218RTER TPS92692PWPR TPS56C230RJER.

TPS65400RGZR TPS65400RGZT TPS92515QDGQRQ1 TPS92515QDGQTQ1 TPS560430XFDBVT.

TPS63060DSCR TPS63030DSKR TPS63060DSCT TPS63070RNMR TPS630701RNMR.

CSD15380F3T_BLM21BD222TN1D

The BAW filter is more suitable for frequencies above 2.5GHz. The manufacturing process of the BAW filter is also very consistent with the existing IC manufacturing process, and is suitable for overall integration with other active circuits. .

A suitable BAW piezoelectric material needs high electromechanical coupling coefficient, low electromechanical loss, high thermal stability, and also conforms to IC process technology. Quartz (quartz), as a common piezoelectric material, exhibits linear response under high voltage and high pressure, but there is no suitable method to make quartz into thin film deposits on Si substrates.

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