제품소개

Features
• 5 V/TTL, sinking/sourcing digital I/O
• Bidirectional, configurable by line with shift-on-the-fly capability
• 60 VDC, CAT I isolation
• Industry-standard 37-pin DSUB connector
• -40 °C to 70 °C operating, 5 g vibration, 50 g shock

Specification & Introduction
 Input/Output Characteristics
• Number of channels 
    32 digital input/output channels
• Input/output type 
    TTL, single-ended
• Default power-on line direction 
    Input
• Input Current (0 V ≤ Vin ≤ 4.5 V) 
    ±250 µA maximum
• Module output current1 
    64 mA maximum
• Input capacitance 
    30 pF
• Timing
    Input
        Setup time2 
            10 ns minimum
        Hold time3 
            60 ns minimum
    Output
        Propagation delay4 
            330 ns maximum
        Channel-to-channel skew5 
            265 ns maximum
    Update/transfer time6
        cRIO-9151 R Series Expansion chassis
            8 µS maximum
        All other chassis 
            7 µS maximum
    Direction change time 
            18 µS maximum
• Overvoltage protection Channel-to-COM 
    ±30 V maximum on up to 8 channels at a time;
    however, continued use at this level will
    degrade the life of the module.
• MTBF 
    763,325 hours at 25 °C; Bellcore Issue 2,
    Method 1, Case 3, Limited Part Stress Method
• Digital Logic Levels
    Input
        Voltage 
            -0.25 V to 5.25 V
        High, VIH 
            2.2 V minimum
        Low, VIL 
            0.8 V maximum
        Hysteresis, VH 
            0.2 V minimum
    Output
        High, VOH (5.2 V maximum)
            Sourcing 100 µA 
                4.75 V minimum
            Sourcing 2 mA 
                4.4 V minimum
    Low, VOL
        Sinking 100 µA 
            0.1 V maximum
        Sinking 2 mA 
            0.26 V maximum

Ordering Information