This product is a USB2.0 compatible analog input unit that extends analog signal input function from a USB port of a personal computer.In addition to 16bit analog input 64ch (single end input 64ch or differential input 32ch), it is a multi -channel and multi -function type equipped with digital input / output and counter.Equipped with a 1K data buffer memory, sampling is possible under a variety of trigger/clock conditions.- [Extended module] Bus specification USB 2.0 Size X type Used connector 2x 0.8mm pitch 68-pin (female) [Analog input/output] Number of input channels Single end 64-ch (differential 32-ch) input range ± 10V ADC resolution 16-bit Sampling Rate 10μsec/ch (max.) [Digital input/output] number of input points 4 points Output points 4 points two -way score - Response speed (input) 200nsec (max.) Response speed (output) 200nsec (max.) Operate voltage (input) 3.3VDC-LVTTL Operate voltage (output) 3.3VDC-LVTTL input circuit Non -insulated LVTTL level input (positive logic) Output circuit Non -insulation LVTTL level output (positive logic) Built -in power supply - [Counter] Number of channels 1-ch count method 32-bit up Response speed 10MHz