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README

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QS3861QG8

RENESAS · Signal Switches, Multiplexers, Decoders · SSOP-24-150mil

QS3861QG8 from RENESAS, in a SSOP-24-150mil. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 NC unconnected No connect pin.
2 A0 bidirectional Bus A channel 0, connected to B0 when BE is low and high-impedance when BE is high.
3 A1 bidirectional Bus A channel 1, connected to B1 when BE is low and high-impedance when BE is high.
4 A2 bidirectional Bus A channel 2, connected to B2 when BE is low and high-impedance when BE is high.
5 A3 bidirectional Bus A channel 3, connected to B3 when BE is low and high-impedance when BE is high.
6 A4 bidirectional Bus A channel 4, connected to B4 when BE is low and high-impedance when BE is high.
7 A5 bidirectional Bus A channel 5, connected to B5 when BE is low and high-impedance when BE is high.
8 A6 bidirectional Bus A channel 6, connected to B6 when BE is low and high-impedance when BE is high.
9 A7 bidirectional Bus A channel 7, connected to B7 when BE is low and high-impedance when BE is high.
10 A8 bidirectional Bus A channel 8, connected to B8 when BE is low and high-impedance when BE is high.
11 A9 bidirectional Bus A channel 9, connected to B9 when BE is low and high-impedance when BE is high.
12 GND power_in Ground.
13 B9 bidirectional Bus B channel 9, connected to A9 when BE is low and high-impedance when BE is high.
14 B8 bidirectional Bus B channel 8, connected to A8 when BE is low and high-impedance when BE is high.
15 B7 bidirectional Bus B channel 7, connected to A7 when BE is low and high-impedance when BE is high.
16 B6 bidirectional Bus B channel 6, connected to A6 when BE is low and high-impedance when BE is high.
17 B5 bidirectional Bus B channel 5, connected to A5 when BE is low and high-impedance when BE is high.
18 B4 bidirectional Bus B channel 4, connected to A4 when BE is low and high-impedance when BE is high.
19 B3 bidirectional Bus B channel 3, connected to A3 when BE is low and high-impedance when BE is high.
20 B2 bidirectional Bus B channel 2, connected to A2 when BE is low and high-impedance when BE is high.
21 B1 bidirectional Bus B channel 1, connected to A1 when BE is low and high-impedance when BE is high.
22 B0 bidirectional Bus B channel 0, connected to A0 when BE is low and high-impedance when BE is high.
23 BE input Active-low bus switch enable; low connects A to B, high disconnects (VIH min 2 V, VIL max 0.8 V).
24 Vcc power_in Supply voltage, 5V ± 5% operating; absolute maximum -0.5 to +7 V.

Key specifications

Parameter Value
Manufacturer RENESAS
Package SSOP-24-150mil
Category Logic
Pins 24

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Supply Voltage to Ground VTERM -0.5 7 V 2
DC Switch Voltage VTERM -0.5 7 V 2
DC Input Voltage VTERM -0.5 7 V 2
AC Input Voltage VAC -3 V pulse width ≤20ns 2
DC Output Current IOUT 120 mA 2
Maximum Power Dissipation PMAX 0.5 W 2
Storage Temperature TSTG -65 150 °C 2
Control Inputs Capacitance CIN 3 5 pF TA = +25°C, f = 1MHz, VIN = 0V, VOUT = 0V 2
Quickswitch Channels (Switch OFF) Capacitance CIO 5 7 pF TA = +25°C, f = 1MHz, VIN = 0V, VOUT = 0V 2
Input HIGH Voltage VIH 2 V Guaranteed Logic HIGH for Control Pins 3
Input LOW Voltage VIL 0.8 V Guaranteed Logic LOW for Control Pins 3
Input Leakage Current (Control Inputs) IIN -1 0.01 1 μA 0V ≤ VIN ≤ VCC 3
Off-State Current (Hi-Z) IOZ -1 0.01 1 μA 0V ≤ VOUT ≤ VCC, Switches OFF 3
Switch ON Resistance RON 5 7 Ω VCC = Min., VIN = 0V, ION = 30mA 3
Switch ON Resistance RON 10 15 Ω VCC = Min., VIN = 2.4V, ION = 15mA 3
Pass Voltage VP 3.7 4 4.2 V VIN = VCC = 5V, IOUT = -5μA 3
Quiescent Power Supply Current ICCQ 0.2 3 μA VCC = Max., VIN = GND or VCC, f = 0 4
Power Supply Current per Input HIGH ΔICC 2.5 mA VCC = Max., VIN = 3.4V, f = 0 4
Dynamic Power Supply Current per MHz ICCD 0.25 mA/MHz VCC = Max., A and B Pins Open, BE Input Toggling @ 50% Duty Cycle 4
Data Propagation Delay (A to B, B to A) tPLH, tPHL 0.25 ns TA = -40°C to +85°C, VCC = 5V ± 5%, CLOAD = 50pF, RLOAD = 500Ω unless otherwise noted 4
Switch Turn-On Delay (BE to A or B) tPZL, tPZH 1.5 6.5 ns TA = -40°C to +85°C, VCC = 5V ± 5%, CLOAD = 50pF, RLOAD = 500Ω unless otherwise noted 4
Switch Turn-Off Delay (BE to A or B) tPLZ, tPHZ 1.5 5.5 ns TA = -40°C to +85°C, VCC = 5V ± 5%, CLOAD = 50pF, RLOAD = 500Ω unless otherwise noted 4
Operating Temperature (Industrial) TA -40 85 °C Industrial range, from DC electrical characteristics header 3
Supply Voltage Tolerance VCC -5 5 % Nominal VCC = 5V, from DC electrical characteristics header 3

CAD (KiCad official)

  • Symbol: QS3861QG8
  • Footprint: Package_SO:SSOP-24_5.3x8.2mm_P0.65mm
  • 3D model: SSOP-24-150mil (KiCad packages3D, STEP)
  • 3D model files: qs3861qg8-etched.step / qs3861qg8-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); qs3861qg8.step / qs3861qg8.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: RENESAS datasheet (6 pp, sha256 46affbe841a3c8c6, retrieved 2026-10-22, tier: lcsc)
  • Extractor: ds2sf (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF