SN74AUC1G66DCKRE4 Texas Instruments Integrated Circuit (SOT23 (5-Pin)) In Stock
The SN74AUC1G66DCKRE4 is a single-channel bilateral analog switch from Texas Instruments in a SOT23-5 package. It offers 500MHz bandwidth, 20Ω max on-resistance, and 55dB off-state isolation. From $0.30 in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- SOT23 (5-Pin)
- Pin Count
- 5
- Lifecycle
- OBSOLETE
- Datasheet
- SN74AUC1G66DCKRE4 Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.0809(MOQ 21000)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of SN74AUC1G66DCKRE4?
- Wide 500MHz bandwidth supports high-frequency analog signal switching in RF and broadband applications with minimal signal degradation
- Low 20Ω maximum on-resistance and 55dB off-state isolation deliver clean SPST signal routing for precision analog paths
- Ultra-compact SOT23-5 package with AUC-family low-voltage operation from 0.8V to 2.7V for portable battery-powered designs
What is SN74AUC1G66DCKRE4 used for?
The SN74AUC1G66DCKRE4 single bilateral analog switch is used to route analog or digital signals in audio switching, sensor multiplexing, and communication interface selection circuits. Its 500MHz bandwidth and low on-resistance make it suitable for high-frequency signal path switching in portable consumer electronics and IoT devices operating at sub-3V supply voltages.
What are the specifications of SN74AUC1G66DCKRE4?
| Date Of Intro | 1997-09-16 |
| YTEOL | 0 |
| Analog IC - Other Type | SPST |
| Bandwidth-Nom | 500MHz |
| JESD-30 Code | R-PDSO-G5 |
| JESD-609 Code | e4 |
| Number of Channels | 1 |
| Number of Functions | 1 |
| Off-state Isolation-Nom | 55dB |
| On-state Resistance-Max (Ron) | 20Ω |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Supply Current-Max (Isup) | 0.01mA |
| Supply Voltage-Max (Vsup) | 2.7V |
| Supply Voltage-Min (Vsup) | 0.8V |
| Supply Voltage-Nom (Vsup) | 1.65V |
| Surface Mount | YES |
| Switch-off Time-Max | 2.9ns |
| Switch-on Time-Max | 1.1ns |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | NICKEL PALLADIUM GOLD |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | SOT23 (5-Pin) |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| HTS Code | 8542.39.00.60 |
Where can I find the SN74AUC1G66DCKRE4 datasheet?
SN74AUC1G66DCKRE4 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for SN74AUC1G66DCKRE4?
Compatible alternatives and drop-in replacements for SN74AUC1G66DCKRE4:
Frequently Asked Questions
What is the bandwidth and on-resistance of the SN74AUC1G66DCKRE4?
The SN74AUC1G66DCKRE4 provides a nominal bandwidth of 500MHz and a maximum on-state resistance of 20Ω. The 55dB off-state isolation ensures minimal signal leakage when the switch is open, making it appropriate for both low-frequency analog and high-frequency RF signal switching applications.
What supply voltage range does the SN74AUC1G66DCKRE4 support?
As an AUC-family device, the SN74AUC1G66DCKRE4 operates from 0.8V to 2.7V supply voltage, targeting ultra-low-voltage portable and IoT applications. This low supply range enables direct integration with modern sub-1V processor cores and 1.8V or 2.5V peripheral interfaces without voltage translation.
What is the switch configuration of the SN74AUC1G66DCKRE4?
The SN74AUC1G66DCKRE4 implements a single-pole single-throw (SPST) bilateral analog switch with one channel. Being bilateral means the signal can flow in either direction through the switch, allowing it to be used for both signal routing and bidirectional bus switching in analog and mixed-signal circuit designs.
What package does the SN74AUC1G66DCKRE4 use and is it RoHS compliant?
The device is packaged in a SOT23-5 (5-pin SC-70 compatible) package, which is extremely small and suitable for space-critical applications. The E4 suffix confirms that it is fully RoHS and REACH compliant with a lead-free, halogen-free material set meeting current environmental regulations.
What are typical applications for the SN74AUC1G66DCKRE4?
This analog switch is commonly used in battery-powered portable electronics, audio signal routing, sensor interface multiplexing, and communication bus switching. Its high bandwidth of 500MHz and low on-resistance also make it suitable for video signal switching and RF path selection in handheld wireless devices and wearable electronics.
Related Guides
150141RS73100 Red LED Indicator and Current-Resistor Design Guide
Design a reliable 150141RS73100 red LED indicator with worst-case resistor sizing, GPIO checks, PWM drive, layout, and production validation.
Jul 11, 2026
742792651 Ferrite Bead EMI Filter and Power Integrity Design Guide
Practical guidance for using 742792651 in ferrite-bead EMI filters, including bias, DCR, damping, layout, and validation.
Jul 11, 2026
How to Choose a Ferrite Bead for EMI Suppression Rails: Selection Guide
Compare 742792651 and related ferrite beads by impedance, current rating, DCR, package, layout, and EMI test context.
Jul 10, 2026
150141BS73100 Design Guide for 3528 Status Indicator LED Circuits
Design 3528 status indicator LED circuits with 150141BS73100: current setting, resistor sizing, polarity, optics, and sourcing checks.
Jul 10, 2026
Why Buy from FindMyChip
About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
More from Texas Instruments
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 21000+ | $0.0837 | $1757.07 |
| 30000+ | $0.0828 | $2483.70 |
| 75000+ | $0.0809 | $6066.75 |
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“Their engineering team helped us find a pin-compatible alternative when our original MCU went EOL.”
You May Also Like
ACS770ECB-200U-PFF-T
Allegro Microsystems
Integrated Circuit
ACS770KCB-150U-PFF-T
Allegro Microsystems
Integrated Circuit
MC33901WEF
NXP
Integrated Circuit
MC7808BDTRKG
ON Semiconductor
Integrated Circuit
PA94EC
Apex Microtechnology
Integrated Circuit
AP7315-28SR-7
Diodes Inc.
Integrated Circuit
74HCT245D
Nexperia
Integrated Circuit
CY62256VNLL-70ZXCT
Cypress Semiconductor
Integrated Circuit
EPM7032AETC44-4N
Intel
Integrated Circuit
EPM3512AQC208-10N
Intel
Integrated Circuit
EPM3256ATC144-7N
Intel
Integrated Circuit
EPM3256AQC208-7N
Intel
Integrated Circuit
EPM3256AQC208-10N
Intel
Integrated Circuit
EPM3128ATC100-7N
Intel
Integrated Circuit
EPM1270F256C4N
Intel
Integrated Circuit
EPF8282ATC100-4N
Intel
Integrated Circuit
EPF6016QC208-2N
Intel
Integrated Circuit
EPF6016ATC144-3N
Intel
Integrated Circuit
EPF10K30ATC144-3N
Intel
Integrated Circuit
EPC2TI32N
Intel
Integrated Circuit
EPC2LC20
Intel
Integrated Circuit
EP3SL150F1152C4N
Intel
Integrated Circuit
EP2SGX60DF780C5N
Intel
Integrated Circuit
EP2SGX60CF780C5N
Intel
Integrated Circuit