A high output is intended to light the segment. Common cathode , meaning the negative connection of all of the LEDs is tied together. The outputs are open-collector but have internal 2K ohm pull-up resistors and have a maximum low-level output sink current of 6 milliamperes 6mA. All segments are extinguished when a low logical zero signal is applied to pin 4 OUT.
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Count 4 , 62 37 45 20 58 40 45 26 70 58 45 This feature means that data can be routed directly from high speed counters , variable frequency multivibrator with a cross coupled pair of TTL or DTL gates. Standard TTL decoders like the ,, or must. The B is capable of sourcing over. Early display interface ICs particularly devices such as the and were aimed at LED , Standard bipolar technology, long asso ciated with TTL or linears early op amps , appears very limited in. Abstract: No abstract text available Text:.
7448 Datasheet PDF
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