DESCRIPTION
PIN No 1, 19 2, 3, 4, 5, 6, 7, 8, 9 18, 17, 16, 15, 14, 13, 12, 11 10 20 SYMBOL G1, G2 A1 to A8 NAME AND FUNCTION Output Enable Inputs Data Inputs Y1 to Y8 Data Outputs GND VCC Ground (0V) Positive Supply Voltage t(s)TRUTH TABLE ucINPUTS OUTPUT rod )G1 G2 An Yn P t(sH X X Z te cX H X Z le uL L H H dL L L L so roX : Don’t Care b PZ : High Impedance - O teABSOLUTE MAXIMUM RATINGS
t(s) oleSymbol Parameter Value Unit c bsVCC Supply Voltage -0.5 to +7 V u OVI DC Input Voltage -0.5 to VCC + 0.5 V rod -VO DC Output Voltage -0.5 to VCC + 0.5 V P t(s)IIK DC Input Diode Current ± 20 mA IOK DC Output Diode Current ± 20 mA lete ucIO DC Output Current ± 50 mA dICC or IGND DC VCC or Ground Current ± 400 mA so roTstg Storage Temperature -65 to +150 °C b PTL Lead Temperature (10 sec) 300 °C O teAbsolute MAXIMUM RATINGS
are those values beyond which damage to the device may occur. Functional operation under these conditions is not implied. oleRECOMMENDED OPERATING CONDITIONS ObsSymbol Param...
STMicroelectronics
