outputs and two active-low output enables. * Outputs Directly Interface to CMOS, NMOS, and TTL * Operating Voltage Range: 2.0 to 6.0 V * Low Input Current: 1.0 A * High Noise Immunity Characteristic of CMOS Devices ORDERING INFORMATION SL74HC244N Plastic SL74HC244D SOIC TA = -55 to 125 C for all packages PIN ASSIGNMENT LOGIC DIAGRAM FUNCTION TABLE Inputs PIN 20=VCC PIN 10 = GND Enable A, Enable B A,B YA,YB L L L L H H H X Z X=don't care Z = high impedance SLS System Logic Semiconductor Outputs IN74HC244 MAXIMUM RATINGS * Symbol Parameter Value Unit -0.5 to +7.0 V VCC DC Supply Voltage (Referenced to GND) VIN DC Input Voltage (Referenced to GND) -1.5 to VCC +1.5 V DC Output Voltage (Referenced to GND) -0.5 to VCC +0.5 V DC Input Current, per Pin 20 mA DC Output Current, per Pin 35 mA ICC DC Supply Current, VCC and GND Pins 75 mA PD Power Dissipation in Still Air, Plastic DIP+ SOIC Package+ 750 500 mW -65 to +150 C 260 C VOUT IIN IOUT Tstg TL Storage Temperature Lead Temperature, 1 mm from Case fo