54F191 Up/Down Binary Counter with Preset Ripple Clock
54F191/B2A Logic IC
54F191/BEA Logic IC
54F191/BFA Logic IC
54F191DCQB Up/Down Binary Counter with Preset Ripple Clock
54F191DCX Up/Down Binary Counter with Preset Ripple Clock
54F191DM Up/Down Binary Counter with Preset Ripple Clock
54F191DMQB Up/Down Binary Counter with Preset Ripple Clock
54F191DMX Up/Down Binary Counter with Preset Ripple Clock
54F191FCQB Up/Down Binary Counter with Preset Ripple Clock
54F191FCX Up/Down Binary Counter with Preset Ripple Clock
54F191FM Up/Down Binary Counter with Preset Ripple Clock
54F191FMQB Up/Down Binary Counter with Preset Ripple Clock
54F191FMX Up/Down Binary Counter with Preset Ripple Clock
54F191LCQB Up/Down Binary Counter with Preset Ripple Clock