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Product Detailed Parameters
- Description：IC SWITCH SPDT X 1 15OHM SC70-6
- 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)：200mOhm
- Voltage - Supply, Single (V+)：1.65V ~ 5.5V
- Voltage - Supply, Dual (V±)：-
- Switch Time (Ton, Toff) (Max)：6ns, 4ns
- -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 ~ 125°C (TA)
- Mounting Type：Surface Mount
- Package / Case：6-TSSOP, SC-88, SOT-363
- Supplier Device Package：SC-70-6
- Number of Circuits：1
- Grade：-
- Qualification：-
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Overview
The SN74LVC1G3157DCK3 is a single-pole double-throw (SPDT) analog switch manufactured by Texas Instruments. It operates on a single power supply ranging from 1.65V to 5.5V, supporting both analog and digital signal transmission with rail-to-rail capability. The device features a maximum on-resistance of 15Ω and a typical propagation delay of 0.5ns at 3V. It is housed in a 6-pin SC-70 package with dimensions of 2mm x 1.25mm x 0.9mm. The component supports bidirectional signal flow and includes high ESD protection ratings.
Feature Summary
- Supports bidirectional signal transmission for both analog and digital applications
- Provides rail-to-rail signal handling across the full supply voltage range
- Features specified make-before-break switching characteristics
Applications
- Portable equipment signal routing
- Computer and peripheral bus switching
- Communication and network signal processing
Procurement Notes
Verify the specific suffix 'DCK3' against official manufacturer documentation to confirm lead plating specifications, as variations may exist within the same logic family. Ensure compatibility with RoHS3 standards and check for any recent production change notices regarding material composition or assembly sites before finalizing procurement orders.
Selection Notes
Select this component when a compact SPDT switch is required for low-voltage systems operating between 1.65V and 5.5V. The SC-70 package is suitable for space-constrained PCB layouts. Verify that the 15Ω on-resistance meets the signal integrity requirements for the specific application bandwidth and load conditions.
Part Context
This part belongs to the SN74LVC1G3157 series of single-channel SPDT analog switches. It utilizes advanced CMOS technology to achieve high speed and low power consumption. The DCK3 designation indicates a specific tape-and-reel packaging variant within the SC-70 footprint family, designed for automated surface-mount assembly processes.
Replacement Considerations
SN74LVC1G3157DCKR and SN74LVC1G3157DCK1 are functionally equivalent alternatives within the same series. Differences primarily involve packaging reel quantities or specific lead finish materials rather than electrical performance changes.
