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74F821 (DIP) ÃÖ¼ÒÁÖ¹®¼ö·® : 20°³ |
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74F821 10-bit bus interface register, non-inverting (3-State) 74F822 10-bit bus interface register, inverting (3-State) 74F823 9-bit bus interface register, non-inverting (3-State) 74F824 9-bit bus interface register, inverting (3-State) 74F825 8-bit bus interface register, non-inverting (3-State) 74F826 8-bit bus interface register, inverting (3-State)
FEATURES • High speed parallel registers with positive edge-triggered D-type flip-flops • High performance bus interface buffering for wide data/address paths or busses carrying parity • High impedance PNP base inputs for reduced loading (20mA in high and low states) • IIL is 20mA vs 1000mA for AM29821 series • Buffered control inputs to reduce AC effects • Ideal where high speed, light loading, or increased fan-in as required with MOS microprocessor • Positive and negative over-shoots are clamped to ground • 3-State outputs glitch free during power-up and power-down • Slim Dip 300 mil package • Broadside pinout compatible with AMD AM 29821-29826 series • Outputs sink 64mA and source 24mA • Industrial t
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