: It is rated for an operating temperature of -40°C to +80°C . Voltage : Rated for up to 300 V RMS .
If you are writing this for a technical blog or a product review, I can help you: Draft a step-by-step wiring guide with safety diagrams. my 9892 datasheet exclusive
I powered the chip at 5V (a safe gamble for a vintage DIP) and hooked up a $10 USB logic analyzer. I pulsed the clock pin. The 9892 spat out a repeating hex string: D3 89 2F . That hex pattern was the key. It matched a boot vector for an old Z80 CPU. : It is rated for an operating temperature