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Product Detailed Parameters
- Description：IC SWITCH SPST-NOX4 70OHM 14SOP
- Series：-
- Mfr：Fairchild Semiconductor
- Package：Tube
- Switch Circuit：SPST - NO
- Multiplexer/Demultiplexer Circuit：1:01
- On-State Resistance (Max)：70Ohm
- Channel-to-Channel Matching (ΔRon)：5Ohm
- Voltage - Supply, Single (V+)：2V ~ 12V
- Voltage - Supply, Dual (V±)：-
- Switch Time (Ton, Toff) (Max)：10ns, 30ns
- -3db Bandwidth：100MHz
- Charge Injection：-
- Channel Capacitance (CS(off), CD(off))：-
- Current - Leakage (IS(off)) (Max)：20nA
- Crosstalk：-50dB @ 1MHz
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：14-SOIC (0.209", 5.30mm Width)
- Supplier Device Package：14-SOP
- Number of Circuits：4
- Grade：-
- Qualification：-
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Overview
The MM74HC4066SJ is a quad bilateral analog switch manufactured by onsemi, utilizing advanced silicon-gate CMOS technology. It features four independent single-pole single-throw (SPST) switches with low on-resistance and low off-leakage current. The device operates on a single supply voltage ranging from 2V to 12V. Key electrical parameters include a maximum on-resistance of 70 ohms, a channel-to-channel matching of 5 ohms, and a -3dB bandwidth of 100MHz. Switching times are specified with a maximum turn-on time of 10ns and a turn-off time of 30ns. The component is housed in a 14-SOP package and supports an operating temperature range of -40°C to 85°C.
Feature Summary
- Bidirectional signal path allowing any analog input to function as an output
- Integrated linearization circuitry for improved switch linearity
- Individual digital control inputs for each switch channel
- Electrostatic discharge protection diodes on all pins
Applications
- Signal routing in data acquisition systems
- Audio signal switching applications
- Programmable gain amplifier circuits
- Sample-and-hold circuits
Procurement Notes
Verify the obsolete status of this part number before procurement planning. The MM74HC4066SJ is listed as discontinued and no longer manufactured by onsemi. Sourcing may be limited to surplus distributors or existing stock. Confirm the authenticity of available units through authorized channels. Evaluate alternative active components from other manufacturers to ensure long-term supply chain stability for production designs.
Selection Notes
Select this component only if legacy compatibility with the 74HC4066 pinout is required. Compare the 70-ohm on-resistance against application requirements, as lower resistance options exist in newer technologies. Consider the 14-SOP package constraints for PCB layout. Verify that the 2V to 12V supply range aligns with system power rails. Assess the need for the specific 10ns/30ns switching speeds versus faster alternatives.
Part Context
This component belongs to the 74HC series of high-speed CMOS logic devices. The 74HC4066 family provides quad analog switching functionality compatible with standard HC logic levels. Fairchild Semiconductor was acquired by onsemi, which now manages the product line. The device represents a standard solution for discrete analog switching in mixed-signal environments.
Replacement Considerations
Consider SN74HC4066NSR from Texas Instruments or MAX4066AESD+T from Analog Devices as functional substitutes. These parts offer similar SPST configurations and HC logic compatibility. Verify package dimensions and pin-out alignment during transition.
