74HC4051PW,118

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74HC4051PW,118

IC MUX/DEMUX 8X1 16TSSOP

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Spezifikationen

Supplier Rochester Electronics, LLC
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ProductStatus Active

Übersicht

Description

74HC4051PW,118 is an 8-channel analog multiplexer/demultiplexer from the HC family in a plastic DIP package (PW). It lets you route one of eight analog signals (X0–X7) to a common output (Z) using three select inputs (S1–S3). An INH (inhibit) input can disable all channels. The device operates from a single supply (0 to Vcc within the HC range) and passes signals within the rails with some on-resistance (typical a few hundred ohms) and leakage when off. It’s suitable for multiplexing sensors, audio, or analog signals to an ADC/DAC, or routing a single signal to multiple stages. The PW suffix indicates the package type, while 118 is likely a date/lot code; the exact pinout and electrical specs are in the datasheet. In summary: 8:1 analog switch, simple digital select control, single-supply operation, with an enable input and typical CMOS performance.

Features

Key features of 74HC4051PW,118:
- 8-channel analog multiplexer/demultiplexer with one common I/O (COM) and eight channels (Y0–Y7)
- 3 binary select inputs (A, B, C) to choose one channel
- INH inhibit input disables all switches
- Bidirectional analog pass; signals must stay within 0 to Vcc (single-supply operation)
- Low on-resistance when selected (typical in the HC series) and very high impedance when off
- Suitable for multiplexing analog signals in data acquisition, sensor routing, audio/video paths, etc.
- Wide supply range for HC family: typically 2 V to 6 V
- 16-pin plastic DIP/related PW package option (date code variant 118)
Note: exact electrical numbers (RON, leakage, timing) vary by vendor; consult the specific datasheet for packaging and characterization.

Package

16-pin Plastic Small Outline (SOIC) package. The PW suffix denotes the SOIC package; 118 is the date/lot code.

Pinout

- Pin count: 16 pins (16‑pin package).
- Function: 8‑channel analog multiplexer/demultiplexer. One common I/O pin (often labeled Z) is connected to one of eight channels (Y0–Y7 or X0–X7) selected by S1, S2, and S3. Includes an INH (inhibit) input to disable all channels. Supplied with Vcc and GND.

Manufacturer

Manufacturer: NXP Semiconductors (formerly Philips Semiconductors).
What kind of company: A Dutch multinational semiconductor company that designs and manufactures integrated circuits and electronic components for automotive, industrial, and consumer markets.

Application

74HC4051PW is an 8-channel analog multiplexer/demultiplexer. Common uses:
- Route one of eight analogue signals to a single ADC (or vice versa).
- Data acquisition systems and sensor arrays (channel expansion).
- Instrumentation, test equipment, and signal routing.
- Audio/video signal switching and routing.
- Medical/biosignal instrumentation and portable measurement devices.
- Microcontroller interfaces needing multiple signals shared on one line.

Equivalent

Equivalents for the 74HC4051PW,118 (8-channel analog multiplexer/demux) include:
- 74HCT4051
- CD4051BE / CD4051B (TI/National/Motorola lineage)
- MC14051B
Other vendors' 4051B family parts (e.g., HEF4051BP) are functionally equivalent. Note voltage/threshold differences; choose with your supply voltage in mind.

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