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 |
|---|---|---|---|---|---|---|---|
![]() SN74HC139QDRQ1 $0.43 | Texas Instruments | IC DECODER/DEMUX 1X2:4 16SOIC | Tape & Reel (TR),Cut Tape (CT),Bulk | 16-SOIC | Surface Mount | 74HC | -40°C ~ 125°C |
![]() SN74HC139QPWRG4Q1 $0.48 | Texas Instruments | IC DECODER/DEMUX 1X2:4 16TSSOP | Tape & Reel (TR),Cut Tape (CT),Bulk | 16-TSSOP | Surface Mount | 74HC | -40°C ~ 125°C |
![]() SN74HC139QPWRQ1 $0.43 | Texas Instruments | IC DECODER/DEMUX 1X2:4 16TSSOP | Tape & Reel (TR),Cut Tape (CT),Bulk | 16-TSSOP | Surface Mount | 74HC | -40°C ~ 125°C |
![]() SN74HC148AN $0.43 | Texas Instruments | IC PRIORITY ENCOD 1 X 8:3 16DIP | Bulk,Tube | 16-PDIP | Through Hole | 74HC | -40°C ~ 85°C |
![]() SN74HC148ANSR $0.51 | Texas Instruments | IC PRIORITY ENCODER 1 X 8:3 16SO | Tape & Reel (TR),Cut Tape (CT) | 16-SO | Surface Mount | 74HC | -40°C ~ 85°C |
![]() SN74HC148D $0.84 | Texas Instruments | IC PRIORITY ENCOD 1 X 8:3 16SOIC | Tube | 16-SOIC | Surface Mount | 74HC | -40°C ~ 85°C |
![]() SN74HC148DE4 $0.42 | Texas Instruments | IC PRIORITY ENCOD 1 X 8:3 16SOIC | Tube | 16-SOIC | Surface Mount | 74HC | -40°C ~ 85°C |
![]() SN74HC148DG4 $0.42 | Texas Instruments | IC PRIORITY ENCOD 1 X 8:3 16SOIC | Tube | 16-SOIC | Surface Mount | 74HC | -40°C ~ 85°C |

Select a common mode choke using noise frequency, current, insulation and signal integrity. Understand impedance curves, layout and filter limitations.
Read More
Compare gas sensor technologies, cross-sensitivity and calibration needs. Define the gas, range and environment before choosing a sensing component.
Read More
Choose logic inverter ICs by thresholds, supply, output drive and delay. Compare standard and Schmitt-trigger inputs, power sequencing and replacement checks.
Read More
Recently, the global electronic component market has witnessed complex and changeable trends. In the memory chip sector, the wave of price increases continues to…
Read More
Compare Hall, shunt, current transformer and Rogowski sensing. Check AC/DC capability, accuracy, isolation, heat and response before selecting a sensor.
Read More
The rapid advancement of artificial intelligence (AI) is transforming industries across the globe, and the world of electronic components is no exception. From smarter…
Read More
Understand tactile switches, PCB and keyboard differences, four-pin wiring, debounce, force, travel and replacement checks for reliable control inputs.
Read More
Understand how motion sensors work. Compare PIR, radar and ultrasonic sensing, then check presence detection, false triggers, optics and signal conditioning.
Read More
Learn what a shift register does, how bits move and when to use SIPO or PISO devices. Review latch timing, logic levels, output drive…
Read More
Samsung Electronics, the world’s largest memory chip manufacturer, has officially confirmed the end-of-life (EOL) for its LPDDR4 and LPDDR4X low-power DRAM products, marking a…
Read MoreTOKYO, July 31, 2026 — Renesas Electronics Corporation has officially announced a major domestic manufacturing restructuring, confirming plans to gradually discontinue all wafer fabrication…
Read More
Understand RF attenuator dB values, fixed and programmable types, impedance, power limits and noise tradeoffs before choosing parts for an RF signal path.
Read More