제품소개

Features
▷ Overvoltage protection, Channel-to-COM (one channel) ±30 V max CAT I
▷ Up to 8.5 mA current drive
▷ One 32-bit event counter
▷ USB bus powered
▷ Two 16-pin screw terminal connectors

Specification & Introduction
 Digital I/O
▷ Number of lines
    P0.<0..7> 
        8
    P1.<0..7> 
        8
    P2.<0..7> 
        8
▷ Direction control 
    Input or output, software-selectable
▷ Output driver type 
    Active drive (push-pull) or open collector
    (open-drain), software selectable
▷ Pull-up resistor 
    4.7 kΩ Vbus (nominally 5 V)
▷ Absolute voltage range 
    -0.5 V to 5.8 V with respect to GND
▷ Power-on state 
    Input (high impedance)
 Digital Logic Levels
▷ Input low voltage 
    -0.3 V minimum, 0.8 V maximum
▷ Input high voltage 
    2.0 V minimum, 5.8 V maximum
▷ Input leakage current 
    50.0 μA maximum
▷ Output low voltage, open collector or active drive
    IOL = 2 mA 
        0.4 V maximum
    IOL = 8.5 mA 
        0.8 V maximum
▷ Output high voltage, active drive1
    IOH = -2 mA 
        2.8 V minimum, 3.6 V maximum
    IOH = -8.5 mA 
        2.0 V minimum, 3.5 V maximum
▷ Output high voltage, open collector
    IOH = -0.4 mA, nominal 
        2.0 V minimum, 5.0 V maximum
    IOH = -7.5 mA, with external pull-up resistor
        2.0 V minimum
 Counter
▷ Number of counters 
    1 (P2.7 can be configured as a counter)
▷ Resolution 
    32 bits
▷ Counter measurements 
    Falling edge counting
▷ Maximum input frequency 
    5 MHz
▷ Minimum high pulse width 
    100 ns
▷ Minimum low pulse width 
    100 ns
 Bus Interface
▷ USB specification 
    USB 2.0 Full Speed (12 Mb/s)

Ordering Information