KEYSIGHT 34950A 带存储器和计数器的数字I/O，适用于34980A (64-bit)

Description: 64-bit digital I/O with memory and counter: Eight 8-bit digital I/O channels with progammable polarity, thresholds up to 5V. Two 10Mhz frequency counter and programmable clock output to 20MHz

Connectors: 2 – 78-pin Dsub, Female

Optional: 

3495xT Terminal block with screw connectors

Y1137A – 1.5 m 78-pin M/F Dsub cable

Y1138A – 3 m 78-pin M/F Dsub cable

Y1142A – 78-pin male solder cup connector kit

Datasheet

Brochure