The CD4044 IC consists of four R-S latches, made by using the NAND logical gate. There is a common 3-STATE ENABLE input for all four latches. A logic “1” on the ENABLE input connects the latch states to the Q outputs. 

Technical Specification:

• Number of Circuits: 1
• Logic Type: CMOS
• Logic Family: CD4000
• Polarity: Non-Inverting
• Number of Input Lines/Output Lines: 8/4
• High Level Output Current: – 4.2 mA
• Propagation Delay Time: 350 ns at 5 V, 175 ns at 10 V, 120 ns at 15 V
• Supply Voltage Range: 3 to 15V
• Operating Temperature Range: – 55°C to + 125°C

Features:

• Separate SET and RESET inputs for each latch
• NOR and NAND configuration
• 3-STATE output with common output enable

Applications:

• Multiple bus storage
• Strobed register
• Four bits of independent storage with output enable
• General digital logic