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
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.
- Standardized Symmetrical Output Characteristics.