CD40147BMS
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; 100n A at 18V and +25o C
- 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. 13B, “Standard Specifications for 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
CD40147BMS 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,...
