8 Channel Integrated Circuit Chip Analog Multiplexer / Demultiplexer 74HC4051D

1. General description

The 74HC4051; 74HCT4051 is a high-speed Si-gate CMOS device and is pin compatible with Low-power Schottky TTL (LSTTL). The device is specified in compliance with JEDEC standard no. 7A.

The 74HC4051; 74HCT4051 is an 8-channel analog multiplexer/demultiplexer with three digital select inputs (S0 to S2), an active-LOW enable input (E), eight independent inputs/outputs (Y0 to Y7) and a common input/output (Z). With E LOW, one of the eight switches is selected (low impedance ON-state) by S0 to S2.

With E HIGH, all switches are in the high-impedance OFF-state, independent of S0 to S2. VCC and GND are the supply voltage pins for the digital control inputs (S0 to S2, and E). The VCC to GND ranges are 2.0 V to 10.0 V for 74HC4051 and 4.5 V to 5.5 V for 74HCT4051. The analog inputs/outputs (Y0 to Y7, and Z) can swing between V_CC as a positive limit and VEE as a negative limit. V_CC  V_EE may not exceed 10.0 V.

For operation as a digital multiplexer/demultiplexer, V_EE is connected to GND (typically ground).

2. Features and benefits

 Wide analog input voltage range from -5 V to +5 V

 Low ON resistance:

 80 Ω (typical) at V_CC - V_EE = 4.5 V

 70 Ω (typical) at V_CC - V_EE = 6.0 V

 60 Ω (typical) at VCC - V_EE = 9.0 V

 Logic level translation: to enable 5 V logic to communicate with +-5 V analog signals

 Typical ‘break before make’ built-in

 ESD protection:

 HBM JESD22-A114F exceeds 2000 V

 MM JESD22-A115-A exceeds 200 V

 Multiple package options

 Specified from -40 ℃ to +85 ℃ and -40 ℃ to +125℃

3. Applications

 Analog multiplexing and demultiplexing

 Digital multiplexing and demultiplexing

 Signal gating

4. Ordering information

5. Functional diagram

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