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CD74HC147E provide the 10-line to 4-line priority encoding function by use of the implied decimal “zero”. The “zero” is encoded when all nine data inputs are HIGH, forcing all four outputs HIGH.
![](https://cdn.shopify.com/s/files/1/0672/9409/files/74hc147_logic_sympol_medium.png?v=1553755885)
FEATURES
- Encodes 10-line decimal to 4-line BCD
- Useful for 10-position switch encoding
- Used in code converters and generators
- Output capability: standard
- ICC category: MS
Specification
- Propagation Delay Time: 160 ns at 2V / 27 ns at 6V at 25°C
- Output Current: 5.2 mA at 6 V
- No. of Pins: 16
- Operating Temperature Range: -40°C to +125°C
- Supply Voltage Range: 2V to 6V
- Package: DIP-16
Symbol
|
PIN |
Description |
Y0 to Y3 |
9,7,6,14 |
enable input (active LOW) |
A0 to A8 |
11,12,13,1,2,3,4,5,10 |
address input |
n.c. |
15 |
output (active LOW) |
GND |
8 |
ground (0 V) |
VCC |
16 |
positive supply voltage |
Additional information
Title | Default Title |
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