If the photograph is clicked, it grows.

HP 44474A 16bit Digital-IO JPY26,250　5stock	rec110

16bit I/O + 4bit(Handshake) Bi-directional TTL Max +30VDC Input:TTL Output:Open Collector Output characteristics V-out(high)>2.4V@I<8mA, V-out(low)<0.4V@I<16mA I-out(high) 125mA@<1.25V, 4bit Line Characteristic V-in(high)>2.0V (low)<0.8V TTL 価格10.4万円 Need Screw Terminal