74LVC1G3157DRLRG4 Texas Instruments Integrated Circuit (SO Transistor Flat Lead) In Stock
The 74LVC1G3157DRLRG4 is a single-pole double-throw (SPDT) analog switch from Texas Instruments with 340 MHz bandwidth, 57 dB off-state isolation, and 1.65 V to 5.5 V supply compatibility. Housed in a ultra-compact 6-pin SOT-563 package for portable signal routing designs. From $0.30 in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- SO Transistor Flat Lead
- Pin Count
- 6
- Lifecycle
- ACTIVE
- Datasheet
- 74LVC1G3157DRLRG4 Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of 74LVC1G3157DRLRG4?
- 340 MHz -3 dB bandwidth with 57 dB off-state isolation enables reliable SPDT switching of high-frequency analog and digital signals up to UHF range
- 1.65 V to 5.5 V supply range and LVC logic control inputs allow direct interfacing with 1.8 V, 2.5 V, 3.3 V, and 5 V microcontrollers without level-shift circuits
- 6-pin SOT-563 package with 1.6 mm x 1.6 mm footprint is among the smallest SPDT switch packages, enabling dense multi-switch layouts in wearables and IoT modules
What is 74LVC1G3157DRLRG4 used for?
The 74LVC1G3157DRLRG4 is used in portable electronics, wearables, and IoT sensor hubs to route analog or digital signals between two sources or destinations under microcontroller control. Its 340 MHz bandwidth makes it suitable for switching SPI bus lines, I2C pull-up paths, audio signals, and RF baseband signals in compact designs. The SOT-563 package and 1.65 V operation allow it to integrate directly into 1.8 V FPGA and microcontroller I/O circuits without additional level-translation components.
What are the specifications of 74LVC1G3157DRLRG4?
| Manufacturer Package Code | SOT533 |
| YTEOL | 15 |
| Additional Feature | Configuration : 2:1 SPDT |
| Analog IC - Other Type | SPDT |
| Bandwidth-Nom | 340MHz |
| JESD-30 Code | R-PDSO-F6 |
| JESD-609 Code | e4 |
| Number of Channels | 1 |
| Number of Functions | 1 |
| Off-state Isolation-Nom | 57dB |
| On-state Resistance Match-Nom | 0.5Ω |
| On-state Resistance-Max (Ron) | 50Ω |
| Output | SEPARATE OUTPUT |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | FL6,.047,20 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, VERY THIN PROFILE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Supply Current-Max (Isup) | 0.035mA |
| Supply Voltage-Max (Vsup) | 5.5V |
| Supply Voltage-Min (Vsup) | 1.65V |
| Supply Voltage-Nom (Vsup) | 1.8V |
| Surface Mount | YES |
| Switch-off Time-Max | 2ns |
| Switch-on Time-Max | 2ns |
| Switching | BREAK-BEFORE-MAKE |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | FLAT |
| Terminal Pitch | 0.5mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | SO Transistor Flat Lead |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
| Country of Origin | Philippines |
Where can I find the 74LVC1G3157DRLRG4 datasheet?
74LVC1G3157DRLRG4 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for 74LVC1G3157DRLRG4?
Compatible alternatives and drop-in replacements for 74LVC1G3157DRLRG4:
Texas Instruments SPDT, 1 Func, 1 Channel, PDSO6
Frequently Asked Questions
What signal bandwidth and isolation does the 74LVC1G3157DRLRG4 provide for SPDT switching in RF or high-speed digital applications?
The 74LVC1G3157DRLRG4 achieves a -3 dB bandwidth of 340 MHz and 57 dB typical off-state isolation, making it effective for switching signals up to the UHF band. This level of isolation ensures that unselected signal paths introduce less than -57 dB of crosstalk, which is sufficient for most RF baseband switching, SPI multiplexing, and video signal routing applications operating below 300 MHz.
How does the 74LVC1G3157DRLRG4 simplify SPI bus sharing between two peripheral devices on a 3.3 V microcontroller?
By connecting the 74LVC1G3157DRLRG4 as an SPDT switch on the SPI MOSI or clock line, a single MCU SPI port can address 2 independent peripheral devices without separate chip-select lines per device. The switch toggles in nanoseconds under GPIO control, and the 340 MHz bandwidth ensures that SPI clocks up to 100 MHz pass without signal degradation. The 3.3 V supply and LVC logic inputs connect directly to standard ARM Cortex-M MCU GPIO pins.
Why is the SOT-563 package of the 74LVC1G3157DRLRG4 preferred over SOT-23-6 for ultra-compact PCB designs?
The SOT-563 package measures only 1.6 mm x 1.6 mm versus the SOT-23-6 package at 2.9 mm x 1.75 mm, saving approximately 30% of PCB footprint area. This size advantage is critical in wearables and TWS earbuds where total PCB area may be under 100 mm², and every square millimeter saved allows additional functional components to be placed. Both packages carry the same 6 pins but the SOT-563's closer pad pitch requires finer PCB manufacturing tolerances of at least 4-mil trace and space.
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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.
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