CD40147BMS - 10 Line to 4 Line BCD Priority Encoder
Intersil (now Renesas)
General Description
of ‘B’ Series CMOS Devices”
4 1 5 2 6 3 7 4 8 5 C 6 B 7 VSS 8
16 VDD 15 0 14 D 13 3 12 2 11 1 10 9 9 A
Functional Diagram
Applications
Keyboard Encoding
10 Line to BCD Encoding
Range Selection
9 0 PRIORITY SELECT BCD ENCODER D C B A 23 22 21 20
Description
CD40147B
Key Features
High Voltage Type (20V Rating).
Encodes 10 Line to 4 Line BCD.
Active Low Inputs and Outputs.
100% Tested for Quiescent Current at 20V.
5V, 10V and 15V Parametric Ratings.
Maximum Input Current of 1µA at 18V Over Full Package Temperature Range; 100nA at 18V and +25oC.
Noise Margin (Over Full Package/Temperature Range) - 1V at VDD = 5V - 2V at VDD = 10V - 2.5V at VDD = 15V.
Full PDF Text Transcription for CD40147BMS (Reference)
Note: Below is a high-fidelity text extraction (approx. 800 characters) for
CD40147BMS. For precise diagrams, and layout, please refer to the original PDF.
CD40147BMS December 1992 10 Line to 4 Line BCD Priority Encoder Pinout CD40147BMS TOP VIEW Features • High Voltage Type (20V Rating) • Encodes 10 Line to 4 Line BCD • Act...
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• High Voltage Type (20V Rating) • Encodes 10 Line to 4 Line BCD • Active Low Inputs and Outputs • 100% Tested for Quiescent Current at 20V • 5V, 10V and 15V Parametric Ratings • Maximum Input Current of 1µA at 18V Over Full Package Temperature Range; 100nA at 18V and +25oC • Noise Margin (Over Full Package/Temperature Range) - 1V at VDD = 5V - 2V at VDD = 10V - 2.5V at VDD = 15V • Standardized Symmetrical Output Characteristics • Meets All Requirements of JEDEC Tentative Standard No.