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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 suffixes), and 16-lead thin shrink small-outline packages (PW and PWR suffixes).
Copyright  2003, Texas Instruments Incorporated PACKAGE OPTION ADDENDUM www.
ti.
com 10-Dec-2020 PACKAGING INFORMATION Orderable Device Status Package Type Package Pins Package Eco Plan (1) Drawing Qty (2) CD40147BE CD40147BEE4 CD40147BM ACTIVE ACTIVE ACTIVE PDIP PDIP SOIC N 16 25 RoHS & Green N 16 25 RoHS & Green D 16 40 RoHS & Green Lead finish/ Ball material (6) NIPDAU NIPDAU NIPDAU MSL Peak Temp Op Temp (°C) (3) N / A for Pkg Type N / A for Pkg Type Level-1-260C-UNLIM -55 to 125 -55 to 125 -55 to 125 Device Marking (4/5) CD40147BE CD40147BE CD40147BM (1) The marketing status values are defined as follows: ACTIVE: Product device recommended for new designs.
LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect.
NRND: Not recommended for new designs.
Device is in production to support existing customers, but TI does not recommend using this part in a new design.
PREVIEW: Device has been announced but is not in production.
Samples may or may not be available.
OBSOLETE: TI has discontinued the production of the device.
(2) RoHS: TI defines "RoHS" to mean semiconductor products that are compliant with the current EU RoHS requir...

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