SN7445N

The SN7445N is a BCD-to-decimal Decoder or Driver with eight inverters and ten four-input NAND gates. The inverters are connected in pairs to make BCD input data available for decoding by the NAND gates. Full decoding of valid BCD input logic ensures that all outputs remain off for all invalid binary input conditions. These decoders feature TTL inputs and high-performance, NPN output transistors designed for use as indicator/relay drivers or as open-collector logic-circuit drivers. Each of the high-breakdown output transistors (30 volts) will sink up to 80mA of current. Each input is one normalized series 54/74 load. Inputs and outputs are entirely compatible for use with TTL logic circuits and the outputs are compatible for interfacing with most MOS integrated circuits. Power dissipation is typically 215mW.

• Full decoding of input logic
• 80mA Sink-current capability
• Output is Off for invalid BCD input conditions

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