Features:-

Part Status: Active.
Logic Type: Buffer, Non-Inverting.
Number of Elements: 2.
Number of Bits per Element: 4.
Output Type: 3-State.
Current - Output High, Low: 7.8mA, 7.8mA.
Voltage - Supply: 2V ~ 6V.
Package / Case: 20-DIP (0.300", 7.62mm).

74HC244 datasheet.