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CD40147B

Part Number	CD40147B
Manufacturer	Texas Instruments
Description	10-Line to 4-Line BCD Priority Encoder
Published	Jun 24, 2021
Detailed Description	Data sheet acquired from Harris Semiconductor SCHS102C − Revised October 2003 The CD40147B CMOS encoder features priorit...
Datasheet	CD40147B PDF File

Overview

Data sheet acquired from Harris Semiconductor SCHS102C − Revised October 2003 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.
The CD40147B types are supplied in 16-lead dual-in-line plastic packages (E suffix), 16-lead small-outline packages (M, M96, MT, and NSR su...

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