Integrated Circuits

4556
Dual 1-of-4 decoder/demultiplexer; inverting
PDF datasheet
       
1E 1  • 16 Vcc
1A0 2 15 2E
1A1 3 14 2A0
1Y 0 4 13 2A1
1Y 1 5 12 2Y 0
1Y 2 6 11 2Y 1
1Y 3 7 10 2Y 2
GND 8 9 2Y 3
       
Pin Symbol Description
1 1E enable input (active low)
2 1A0 address input
3 1A1 address input
4 1Y 0 output
5 1Y 1 output
6 1Y 2 output
7 1Y 3 output
8 GND ground
9 2Y 3 output
10 2Y 2 output
11 2Y 1 output
12 2Y 0 output
13 2A1 address input
14 2A0 address input
15 2E enable input (active low)
16 Vcc supply voltage

Notes
  • Outputs are mutually exclusive, active low.
  • When nE is high, all outputs nY are high.

Note
Data is maintained by an independent source and accuracy is not guaranteed. Check with the manufacturer's datasheet for up-to-date information.

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