SL74LS14 SLS | Alldatasheet
Document overview
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Technical content
Hex Schmitt-Trigger Inverter This device contains six independent gates each of which performs the logic INVERT function. Each input has hysteresis which incr eases the noise immunity and transforms a slowly changing input signal to a fast changing, jitter free output.
ORDERING INFORMATION
TA = 0° to 70° C for all packages LOGIC DIAGRAM PIN 14 =VCC PIN 7 = GND PIN ASSIGNMENT FUNCTION TABLE Inputs Output A Y L H H L
MAXIMUM RATINGS* Symbol Parameter Value Unit VCC Supply Voltage 7.0 V VIN Input Voltage 7.0 V VOUT Output Voltage 5.5 V Tstg Storage Temperature Range -65 to +150 °C *Maximum Ratings are those values beyond which damage to the device may occur. Functional operation should be restricted t o the Recommended Operating Conditions. RECOMMENDED OPERATING CONDITIONS Symbol Parameter Min Max Unit VCC Supply Voltage 4.75 5.25 V IOH High Level Output Current -15 mA IOL Low Level Output Current 24 mA TA Ambient Temperature Range 0 +70 °C DC ELECTRICAL CHARACTERISTICS over full operating conditions Guaranteed Limit Symbol Parameter Test Conditions Min Max Unit VT+ - Positive-Going Input Threshold Voltage VCC = 5 V 0.5 1 V VT- - Negative-Going Input Threshold Voltage VCC = 5 V 1.4 1.9 V VT+ - VT- Hysteresis VCC = 5 V 0.4 V VIK Input Clamp Voltage VCC = min, IIN = -18 mA -1.5 V VOH High Level Output Voltage VCC = min, IOH = -0.4 mA, VI=0.5 V 2.7 V VOL Low Level Output Voltage VCC = min, IOL = 4 mA VI=1.9 V 0.4 V VCC = min, IOL = 8 mA VI=1.9 V 0.5 IIH High Level Input Current VCC = max, VIN = 2.7 V 20 µA VCC = max, VIN = 7.0 V 0.1 mA IIL Low Level Input Current VCC = max, VIN = 0.4 V -0.4 mA IO Output Short Circuit Current VCC = max, VO =0 V (Note 1) -20 -100 mA ICC Supply Current Total with outputs high VCC = max 16 mA Total with outputs low
Note 1: Not more than one output should be shorted at a time, and the duration should not exceed one second.