| Part Number | AN-203 |
| Manufacturer | ZBasic |
| Title | I/O Expansion |
| Description | suggests why devices are often labeled decoder/demultiplexer – depending on how you connect it, it can be used to perform either operation. The 7... |
| Features |
a power of two. Examples of such a device are the 74HC151 (single 8 to 1), the 74HC153 (dual 4 to 1) and the 74HC157 (quad 2 to 1). Figure 1 shows how a ‘151 can be connected to a ZX-24.
Figure 1 Multiplexing 8 Digital Inputs In this example, using...
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| Datasheet |
 AN-203 Datasheet
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