LOGIC, OCT EDG-TRG D-TYP F-F, 20SOIC; Flip-Flop Type:D; Propagation Delay:6.5ns; Frequency:90MHz; Output Current:24mA; Trigger Type:Positive Edge; IC Output Type:Tri State Inverted; Supply Voltage Range:4.5V to 5.5V; Logic Case Style:SOIC; No. of Pins:20; Operating Temperature Range:-40°C to +85°C; SVHC:No SVHC (20-Jun-2011); Logic IC Base Number:74564; Logic IC Family:ACT; Logic IC Function:Octal D-Type Edge Triggered Flip-Flop with 3-State Outputs; Output Type:Tri State Inverted; Package / Case:SOIC; Supply Voltage Max:5.5V; Supply Voltage Min:4.5V; Termination Type:SMD