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Partname:CD40147BME4
Description:10-Line to 4-Line BCD Priority Encoder
Manufacturer:Texas Instruments
Datasheet:PDF (447K).
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The CD40147B CMOS encoder features priority encoding of the inputs to ensure that only the highest-order data line is encoded. Ten data input lines (0-9) are encoded to four-line (8, 4, 2, 1) BCD. The highest priority line is line 9. All four output lines are logic 1 (VSS) when all input lines are logic 0. All inputs and outputs are buffered, and each output can drive one TTL low-power Schottky load. The CD40147B is functionally similar to the TTL54/74147 if pin 15 is tied low.

Click here to download CD40147BME4 Datasheet
Click here to download CD40147BME4 Datasheet
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