The 573057-BU4011B is a 4-circuit NAND gate integrated circuit from the 4000B series manufactured by Rohm Semiconductor.

• Voltage Supply Range: 3V to 16V
• Logic Type: NAND
• Inputs: 2
• Current Output High: 1.2mA
• Current Output Low: 3mA
• Maximum Propagation Delay: 40ns @ maximum voltage and load capacitance
• Quiescent Current: 4µA (maximum)
• Package Type: Through Hole
• Package: 14-DIP
• Operating Temperature Range: -40°C to 85°C
• Product Status: Obsolete
• Input Logic Level (Low): 1.5V to 4V
• Input Logic Level (High): 3.5V to 11V