IN74HCT27A

TECHNICAL DATA IN74HCT27A Triple 3-Input NOR Gate The IN74HCT27A is high-speed Si-gate CMOS device and is pin compatible with low power Schottky TTL (LSTTL). The device provide the Triple 3-input NOR function. Outputs Directly Interface to CMOS, NMOS, and TTL Operating Voltage Range: 4.5 to 5.5 V Low Input Current: 1.0 µA High Noise Immunity Characteristic of CMOS Devices ORDERING INFORMATION IN74HCT27AN Plastic IN74HCT27AD SOIC TA = -55° to 125° C for all packages LOGIC DIAGRAM A1 B1 C1 A2 B2 C2 A3 B3 C3 A L X X H PIN ASSIGNMENT Y1 A1 B1 A2 B2 1 2 3 4 5 6 7 14 13 12 11 10 9 8 V CC C1 Y1 C3 B3 A3 Y3 Y2 C2 Y2 GND Y3 FUNCTION TABLE Inputs B L X H X Output C L H X X Y = A + B + C PIN 14 =VCC PIN 7 = GND w w w a t a d . e h s et 4u .c om H L L L X = don’t care 1 www.DataSheet4U.com IN74HCT27A MAXIMUM RATINGS* Symbol VCC VIN VOUT IIN IOUT ICC PD Tstg TL Parameter DC Supply Voltage (Referenced to GND) DC Input Voltage (Referenced to GND) DC Output Voltage (Referenced to GND) DC Input Current, per Pin DC Output Current, per Pin DC Supply Current, VCC and GND Pins Power Dissipation in Still Air, Plastic DIP** SOIC Package** Storage Temperature Lead Temperature, 1 mm from Case for 10 Seconds (Plastic DIP or SOIC Package) Value -0.5 to +7.0 -1.5 to VCC +1.5 -0.5 to VCC +0.5 ±20 ±25 ±50 750 500 -65 to +150 260 Unit V V V mA mA mA mW °C °C *Maximum Ratings are those values beyond which damage to the device may occur. Functional operation should be ...