HCTS574MS August 1995 Radiation Hardened Octal D-.
HCTS574MS - Radiation Hardened Octal D-Type Flip-Flop
HCTS574MS August 1995 Radiation Hardened Octal D-Type Flip-Flop, Three-State, Positive Edge Triggered Pinouts 20 LEAD CERAMIC DUAL-IN-LINE METAL SEAL.