• Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.


  1. S

    Confusing timing diagram for QCIF format in OV7670 datasheet.

    Any reply is greatly appreciated!! I wanted to confirm about the QCIF timing diagram from datasheet(shown below). The ON time of the HREF for both vga and QCIF is shown as 640tp (tp=2tpclk). So does that mean each line of QCIF (174x2 bytes) take 640tp seconds? So in that case, bytes of a QCIF...
  2. J

    Find part number of this IC

    Hi all, I'm looking for part number of this chip. I searched in the Internet but I can't find any information. Please help me to find out this part number. Thank you so much
  3. O

    What does 'B' means in this datasheet formula?

    Hi everyone I'm not an EE by any means, i guess this could be a simple question but... What does the letter 'B' stands in this datasheet formula? It's found here, page 10 https://www.st.com/resource/en/datasheet/cd00000128.pdf

Latest threads

EE World Online Articles