On 10/28/25 14:03, Martin Bishop via cctalk wrote:
Schotky diode the keep the base out of saturation ? As used in 74S 74LS, appreciate it's an extra component to bodge in see eg https://electronics.stackexchange.com/questions/242715/using-a-schottky-diode-to-improve-pnp-transistor-turn-off-time
That's called a Baker clamp, was commonly used back in the mid '60s.
Jon
