Part Number: SN74AHCT138 Tool/software: Hi team, The datasheet has been updated and the unit of II and ICC has been changed to mA. Is this correct? I believe it is uA. BR, Kengo.
Jay,
You could use other GPIO as a chip select - but you'll need to manipulate these GPIO through software around the SPI transaction.
Another option to consider would be to use a device like www.ti.com/.../sn74ahct138.pdf to decode 3 of the chip…