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 |
|---|---|---|---|---|---|---|---|
![]() SN74LS299DW $2.45 | onsemi | SHIFT REGISTER SINGLE 8-BIT | Tube | 20-SOIC | Surface Mount | 74LS | 0°C ~ 70°C |
![]() SN74LS299DWR $1.41 | Texas Instruments | IC UNIV SHIFT/STOR REG 20-SOIC | Tape & Reel (TR) | 20-SOIC | Surface Mount | 74LS | 0°C ~ 70°C |
![]() SN74LS299DWR2 $0.20 | onsemi | SHIFT REGISTER SINGLE | Bulk | - | - | * | - |
![]() SN74LS299N $3.18 | onsemi | SHIFT REGISTER SINGLE 8-BIT | Tube | 20-PDIP | Through Hole | 74LS | 0°C ~ 70°C |
![]() SN74LS30D $0.99 | Texas Instruments | IC GATE NAND 1CH 8-INP 14SOIC | Tube | 14-SOIC | Surface Mount | 74LS | 0°C ~ 70°C |
![]() SN74LS30D $0.49 | onsemi | IC GATE NAND 1CH 8-INP 14SOIC | Tube | 14-SOIC | Surface Mount | 74LS | 0°C ~ 70°C |
![]() SN74LS30DR $0.83 | Texas Instruments | IC GATE NAND 1CH 8-INP 14SOIC | Tape & Reel (TR),Cut Tape (CT),Bulk | 14-SOIC | Surface Mount | 74LS | 0°C ~ 70°C |
![]() SN74LS30DR2 $0.06 | onsemi | IC GATE NAND | Bulk | - | - | * | - |

The multilayer ceramic capacitor (MLCC) market has fallen into a severe structural supply crunch in the third quarter of 2026, driven by explosive demand…
Read More
Understand how an LDO regulates voltage. Check dropout, noise, PSRR, output capacitors and heat before selecting a low-dropout regulator for your circuit.
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
The global electronics industry is facing an escalating shortage of tantalum capacitors, a critical passive component, as surging demand from AI servers, automotive electronics,…
Read More
The global memory market is entering an unprecedented supply-constrained phase as soaring demand from artificial intelligence (AI) infrastructure collides with strategic capacity reallocations by…
Read More
Select a DC-DC converter by input range, topology, isolation and temperature. Compare ripple, efficiency and load limits before choosing a component.
Read MoreAs 2025 draws to a close, the global semiconductor industry stands at a crossroads. Intertwined with escalating geopolitical tensions, supply chain disruptions, and groundbreaking…
Read More
Every audio power amplifier design starts with the same fundamental challenge: converting a low-voltage line-level signal into the high-current drive required by a reactive…
Read More
STMicroelectronics (ST), a global leader in semiconductor manufacturing, has officially notified customers of a new round of price increases for selected products, set to…
Read More
Understand RF detector response, dynamic range and calibration. Compare envelope, logarithmic and RMS behavior before choosing a measurement component.
Read More
Learn how rectifiers convert AC to DC, compare half-wave and bridge circuits, and select voltage, current, recovery and thermal ratings for your design.
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