TOSHIBA Semiconductor TC74AC244P(F) Current - Output High, Low: 75mA, 75mA Logic Type: Buffer/Line Driver, Non-Inverting Mounting Type: Through Hole Number Of Bits Per Element: 4 Number Of Elements: 2 Operating Temperature: -40?°C ~ 85?°C Package / Case: 20-DIP (0.300", 7.62mm) Series: 74AC Voltage - Supply: 2 V ~ 5.5 V Other Names: TC74AC244PF