Jay,
The SE555 operating temperature condition is -55 to 125C. The next closest device we have that matches this operating temperature range is the TLC555M shown below. We do not have timer device we recommend operating above 125C ambient. The TLC555M…
Nonomura-san,
Our Applications Engineer who supports the TLC555 is currently on holiday, but will return midweek, this coming week. He is best qualified to assist you with your TLC555 inquiry, but I wanted to try and provide some assistance to you in the…
Other Parts Discussed in Thread: LM555QML , TLC555M , SE555M We used to use the LM122H-883 timer IC from National Semi. Sometime after TI purchased National Semi, the IC was obsoleted. Has anyone found a replacement for this IC in MIL grade? If so, who is…