A 32 kHz clock circuit works with some ripple counters to scroll through each byte of stored data, turning on the columns while sinking the proper row. Of course current protection is a must so ...
Description: The Series 54LS/74LS Schottky TTL family features both Schottky-barrier-dio de inputs and emitter inputs and utilizes full Schottky-barrier-dio de clamping to achieve speeds comparable to ...