Description
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.
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 |
