System Logic Semiconductor 74LS14
Hex Schmitt-Trigger Inverter
MAXIMUM RATINGS
* Symbol VCC VIN VOUT Tstg * Parameter Supply Voltage Input Voltage Output Voltage Storage Temperature Range Value 7.0 7.0 5.5 -65 to +150 Unit V V V °CMAXIMUM RATINGS
are those values beyond which damage to the device may occur. Functional operation should be restricted to the Recommended Operating Conditions. RECOMMENDED OPERATING CONDITIONS Symbol VCC IOH IOL TA Supply Voltage High Level Output Current Low Level Output Current Ambient Temperature Range 0 Parameter Min 4.75 Max 5.25 -15 24 +70 Unit V mA mA °C DCELECTRICAL CHARACTERISTICS
over full operating conditions Guaranteed Limit Symbol VT+ VT- VT+ - VTVIK VOH VOL Parameter Positive-Going Input Threshold Voltage Negative-Going Input Threshold Voltage Hysteresis Input Clamp Voltage High Level Output Voltage Low Level Output Voltage Test Conditions VCC = 5 V VCC = 5 V VCC = 5 V VCC = min, IIN = -18 mA VCC = min, IOH = -0.4 mA, VI=0.5 V VCC = min, IOL = 4 mA VI=1.9 V VCC = min, IOL = 8 mA VI=1.9 V IIH High Level I...