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器件名功能描述生产厂商查看

74F191FMQB Up/Down Binary Counter with Preset and Ripple Clock NSC

74F191FMX Up/Down Binary Counter with Preset and Ripple Clock NSC

74F191LCQB Up/Down Binary Counter with Preset and Ripple Clock NSC

74F191LCX Up/Down Binary Counter with Preset and Ripple Clock NSC

74F191LMQB Up/Down Binary Counter with Preset and Ripple Clock NSC

74F191LMX Up/Down Binary Counter with Preset and Ripple Clock NSC

74F191PC Up/Down Binary Counter with Preset and Ripple Clock NSC

74F191PC Up/Down Binary Counter with Preset and Ripple Clock FAIRCHILD

74F191PCQB Up/Down Binary Counter with Preset and Ripple Clock NSC

74F191PCX Up/Down Binary Counter with Preset and Ripple Clock NSC

74F191PMQB Up/Down Binary Counter with Preset and Ripple Clock NSC

74F191PMX Up/Down Binary Counter with Preset and Ripple Clock NSC

74F191SC Up/Down Binary Counter with Preset and Ripple Clock FAIRCHILD

74F191SC Up/Down Binary Counter with Preset and Ripple Clock NSC

74F191SCQB Up/Down Binary Counter with Preset and Ripple Clock NSC

74F191SCX Up/Down Binary Counter with Preset and Ripple Clock NSC

74F191SJ Up/Down Binary Counter with Preset and Ripple Clock FAIRCHILD

74F191SJ Up/Down Binary Counter with Preset and Ripple Clock NSC