CD4051BM Analog Multiplexer and Demultiplexer IC is an 8-channel analog multiplexer/demultiplexer IC designed for switching analog or digital signals between a common input/output terminal and one of eight independently selectable channels. It features three binary select inputs, an inhibit control, and a separate enable control for analog signal switching. The IC supports a wide supply-voltage range and is suitable for signal routing, data acquisition, analog switching, instrumentation, and digital control applications.
| Parameter | Value |
|---|---|
| Product Type | 8-Channel Analog Multiplexer/Demultiplexer |
| Model | CD4051BM |
| Brand | Texas Instruments |
| Number of Channels | 8 |
| Signal Type | Analog / Digital |
| Select Inputs | 3 |
| Supply Voltage | 3 V to 18 V |
| Switch Configuration | 1-of-8 |
| Switch Type | Bidirectional |
| Control Input | Binary Address Select |
| Inhibit Control | Yes |
| Operating Temperature | -55°C to +125°C |
| Package | SOIC-16 |
| Mounting Type | Surface Mount |

| Pin No. | Pin Name | Description |
|---|---|---|
| 1 | Y4 | Channel 4 I/O |
| 2 | Y6 | Channel 6 I/O |
| 3 | Y | Common Input/Output |
| 4 | Y7 | Channel 7 I/O |
| 5 | Y5 | Channel 5 I/O |
| 6 | INH | Inhibit Input |
| 7 | VEE | Negative Supply Voltage |
| 8 | VSS | Ground |
| 9 | C | Select Input C |
| 10 | B | Select Input B |
| 11 | A | Select Input A |
| 12 | Y3 | Channel 3 I/O |
| 13 | Y0 | Channel 0 I/O |
| 14 | Y1 | Channel 1 I/O |
| 15 | Y2 | Channel 2 I/O |
| 16 | VDD | Positive Supply Voltage |
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1 × CD4051BM Analog Multiplexer and Demultiplexer IC - SOIC-16 Package
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