SEARCH
— IC芯片 | 连接器 | 传感器 | 被动器件 —

Logic components operate using two voltage levels. These two levels are referred to as High or Low, On or Off, True or False, or simply 1 or 0. There are many components included in this category, such as Buffers, Drivers, Receivers, Transceivers, Comparators, Counters, Dividers, FIFOs Memory, Flip Flops, Gates, Inverters, Latches, Multivibrators, Parity Generators, Shift Registers, Signal Switches, Multiplexers, Decoders, Translators, Level Shifters, Universal Bus Functions, and More.
| Select products | Mfr | Description | Package | Supplier Device Package | Mounting Type | Series | Operating Temperature |
|---|---|---|---|---|---|---|---|
![]() SN74HC251DE4 $0.31 | Texas Instruments | IC MULTIPLEXER 1 X 8:1 16SOIC | Tube | 16-SOIC | Surface Mount | 74HC | -40°C ~ 85°C |
![]() SN74HC251DG4 $0.31 | Texas Instruments | IC MULTIPLEXER 1 X 8:1 16SOIC | Tube | 16-SOIC | Surface Mount | 74HC | -40°C ~ 85°C |
![]() SN74HC251DR $0.30 | Texas Instruments | IC MULTIPLEXER 1 X 8:1 16SOIC | Tape & Reel (TR),Cut Tape (CT) | 16-SOIC | Surface Mount | 74HC | -40°C ~ 85°C |
| Texas Instruments | IC MULTIPLEXER 1 X 8:1 16SOIC | Tape & Reel (TR),Cut Tape (CT) | 16-SOIC | Surface Mount | 74HC | -40°C ~ 85°C | |
![]() SN74HC251N $1.10 | Texas Instruments | IC MULTIPLEXER 1 X 8:1 16DIP | Bulk,Tube | 16-PDIP | Through Hole | 74HC | -40°C ~ 85°C |
![]() SN74HC251NS $0.21 | Texas Instruments | IC DATA SELECT/MUX TRI-ST 16SO | Bulk | 16-SO | Surface Mount | 74HC | -40°C ~ 85°C |
![]() SN74HC251NSR $0.66 | Texas Instruments | IC MULTIPLEXER 1 X 8:1 16SO | Tape & Reel (TR),Cut Tape (CT),Bulk | 16-SO | Surface Mount | 74HC | -40°C ~ 85°C |
![]() SN74HC251PW $0.65 | Texas Instruments | IC MULTIPLEXER 1 X 8:1 16TSSOP | Tube | 16-TSSOP | Surface Mount | 74HC | -40°C ~ 85°C |

Compare thermistors, RTDs, thermocouples and temperature ICs. Learn how range, accuracy, response, interfaces and mounting affect component selection.
Read More
Vishay Intertechnology, Inc., a global leader in discrete semiconductors and passive electronic components, has officially announced a price adjustment for its Metal-Oxide-Semiconductor Field-Effect Transistors…
Read More
Understand thermal fuse operation, Tf, Th and Tm, electrical ratings and mounting. Check temperature limits and replacement requirements for your design.
Read More
Recently, a survey by the Electronic Components Industry Association (ECIA) revealed that the sales sentiment of global electronic components remained optimistic in the third…
Read More
Understand RF detector response, dynamic range and calibration. Compare envelope, logarithmic and RMS behavior before choosing a measurement component.
Read More
Understand how a comparator switches at a voltage threshold, why hysteresis prevents chatter, and which output and input specs matter.
Read More
Understand motor controller types, driver functions, startup current, feedback and braking. Use practical checks to match control electronics to your motor.
Read More
Stay ahead with ChipApex Insights — technical deep dives, market trends, and sourcing tips for memory, microcontrollers, power management, and industrial-grade components. Trusted by…
Read More
Learn how a pressure transducer converts pressure into voltage, current, or digital output, and compare pressure references and key selection specs.
Read More
Tempe, Arizona‑based semiconductor giant Microchip Technology has formally rolled out selective product price increases across its MCU, power‑management IC, memory controller and analog component…
Read More
See when an inductor behaves linearly, how DC bias and saturation reduce inductance, and which current and temperature curves to check.
Read MoreA digital-to-analog converter (DAC) turns a digital number into an analog voltage or current. It lets a controller set a physical output, such as…
Read More