4-bit 1-of-2 FET multiplexer/demultiplexer with charge pump

The 74CB3Q3257-Q100 is a quad high-bandwidth single-pole, double-throw FET bus switch. The device features one select input (S) and one output enable input (OE). The switch is disabled when the OE input is HIGH. An internal charge-pump increases the gate voltage of the NMOS pass transistor. The result is improved RON and RON(flat) performance and the ability to switch 5 V signals when VCC = 3.3 V.

This product has been qualified to the Automotive Electronics Council (AEC) standard Q100 (Grade 3) and is suitable for use in automotive applications.

Features and benefits

  • Automotive product qualification in accordance with AEC-Q100 (Grade 3)

    • Specified from -40 °C to +85 °C

  • Wide supply voltage range from 2.3 V to 3.6 V

  • Overvoltage switching on switch ports:

    • 0 V to 5 V switching with VCC = 2.5 V

    • 0 V to 5 V switching with VCC = 3.3 V

  • 4 Ω (typical) ON resistance

  • 3.5 pF (typical) OFF-state capacitance

  • High bandwidth 0.5 GHz (maximum)

  • Low input/output capacitance minimizes loading and signal distortion

  • Fast switching frequency fmax = 20 MHz (maximum)

  • Low power consumption ICC = 0.4 mA (typical)

  • Control inputs can be driven by TTL or 5 V/3.3 V CMOS outputs

  • IOFF supports partial power-down mode operation

  • Latch-up performance exceeds 100 mA per JESD 78E Class II Level A

  • ESD protection:

    • HBM: ANSI/ESDA/JEDEC JS-001 class 2 exceeds 2000 V

    • CDM: ANSI/ESDA/JEDEC JS-002 class C3 exceeds 1000 V


  • Communication infrastructure

  • Bus isolation

  • Memory interleaving

  • Sensor multiplexing


Type numberProduct statusVCC (V)RON (Ω)Logic switching levelstpd (ns)Power dissipation considerationsTamb (°C)Rth(j-a) (K/W)Ψth(j-top) (K/W)Rth(j-c) (K/W)Package name
74CB3Q3257PW-Q100Production2.3 - 3.64CMOS/LVTTL0.2very low-40~851162.4444.3TSSOP16


Type numberPackagePackage informationReflow-/Wave solderingPackingStatusMarkingOrderable part number, (Ordering code (12NC))
( 9356 908 08118 )

Environmental information

Type numberOrderable part numberChemical contentRoHSRHF-indicatorLeadfree conversion date
74CB3Q3257PW-Q10074CB3Q3257PW-Q100J74CB3Q3257PW-Q100week 25, 2019
Quality and reliability disclaimer

Documentation (4)

File nameTitleTypeDate
74CB3Q3257_Q1004-bit 1-of-2 FET multiplexer/demultiplexer with charge pumpData sheet2024-04-11
Nexperia_Selection_guide_2023Nexperia Selection Guide 2023Selection guide2023-05-10
SOT403-1plastic, thin shrink small outline package; 16 leads; 5 mm x 4.4 mm x 1.2 mm bodyPackage information2023-11-08
SSOP-TSSOP-VSO-WAVEFootprint for wave solderingWave soldering2009-10-08


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