● Channels / Groups: 16 / 1

● Configured as Inputs:

- Logic High: 2.0 to 5.0 VDC

- Logic Low: -0.5 to +0.8 VDC

● Configured as Outputs:

- Logic High: 4.4 VDC minimum, source 24 mA

- Logic Low: 0.44 VDC maximum, sink 24 mA

● Channels / Groups: 18 / 4 (see block diagram)

● Configured as Inputs:

- Logic High: 2.0 to 5.0 VDC

- Logic Low: -0.5 to +0.8 VDC

● Configured as Outputs:

- Logic High: 4.4 VDC minimum, source 24 mA

- Logic Low: 0.44 VDC maximum, sink 24 mA

● Frequency Range: 1 kHz – 40 MHz

● Frequency: 40 MHz maximum

● Width: 16-bit

● Depth: USB-DIO-16H:

- USB-DIO-16H: 128 kByte

- USB-DIO-16A, USB-DI16A, USB-D016A: 8 kByte

● Operating Temperature 0° to +70°C, optional -40° to +85°C

● Storage Temperature -40° to +85°C

● Humidity 5% to 95% , non-condensing

● Board Dimension: 3.550 x 3.775 inches

● Box Dimension: 4.00 x 4.00 x 1.25 inches

● Basic Unit: 100mA typical (no load)

● Auxiliary Output: +5VDC via 0.5A resettable fuse; +3.3VDC via 0.5A resettable fuse (with LVTTL Option)

● Bus Powered: +5VDC provided via USB bus up to 500mA

Externally Powered: Optional on-board external power circuitry with voltage regulator and 9V AC/DC adapter can be ordered (“-P” option) if current use is expected to be greater than what can be supplied by the USB bus. Please check to see how much current your USB port can supply and how much current you anticipate using.