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Product Detailed Parameters
- Description：IC SWITCH SPDT X 1 15OHM 6SON
- Series：74LVC
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- Switch Circuit：SPDT
- Multiplexer/Demultiplexer Circuit：2:01
- On-State Resistance (Max)：15Ohm
- Channel-to-Channel Matching (ΔRon)：100mOhm
- Voltage - Supply, Single (V+)：1.65V ~ 5.5V
- Voltage - Supply, Dual (V±)：-
- Switch Time (Ton, Toff) (Max)：5.7ns, 3.8ns
- -3db Bandwidth：340MHz
- Charge Injection：7pC
- Channel Capacitance (CS(off), CD(off))：5.2pF
- Current - Leakage (IS(off)) (Max)：1µA
- Crosstalk：-54dB @ 10MHz
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：6-UFDFN
- Supplier Device Package：6-SON (1.45x1)
- Number of Circuits：1
- Grade：-
- Qualification：-
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Overview
The SN74LVC1G3157DRY2 is a single-pole double-throw (SPDT) analog switch manufactured by Texas Instruments, belonging to the SN74LVC1G3157 series. It operates on a single power supply ranging from 1.65V to 5.5V and supports bidirectional signal transmission with amplitudes up to VCC. The device features a maximum on-resistance of 15Ω and a typical switching time of 0.5ns at 3V. It is housed in a 6-pin WSON package with dimensions of 1mm x 1mm x 0.5mm. The component functions as a 2:1 multiplexer/demultiplexer circuit with one channel per chip.
Feature Summary
- Supports rail-to-rail signal processing for both analog and digital applications
- Features break-before-make switching action to prevent signal shorting
- Provides high linearity and low charge injection for signal integrity
Applications
- Portable equipment requiring compact signal routing
- Computer and computer peripheral signal switching
- Communication and network infrastructure components
- Audio signal path selection and processing
Procurement Notes
Verify the exact suffix DR Y2 against the manufacturer datasheet to confirm the specific tape-and-reel packaging configuration and marking details. Ensure the order matches the required moisture sensitivity level and lead finish specifications defined in the latest production change notices. Cross-reference the distributor part number with the official TI ordering information to avoid substitution errors.
Selection Notes
Select this component when a single SPDT switch is required within a 1.65V to 5.5V voltage range. It is suitable for designs needing low on-resistance and fast switching speeds in a minimal footprint. Consider the 15Ω max Ron and 5.2pF off capacitance for signal loss calculations. Verify compatibility with the target system's logic levels and ESD protection requirements.
Part Context
This part belongs to the SN74LVC1G3157 family of single-gate SPDT analog switches. It shares core electrical characteristics with variants like the DCKR and DBVR but differs in package type and reel quantity. The family is designed for general-purpose signal switching in consumer and industrial electronics.
Replacement Considerations
Direct pin-compatible substitutes include SN74LVC1G3157DCKR and SN74LVC1G3157DBVR. Verify that the alternative package meets the PCB layout constraints and thermal requirements of the design.
