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SN74HC139D is a dual 2-to-4 line decoder/demultiplexer IC by Texas Instruments, featuring high-speed CMOS logic with active-low outputs and enable control. Key specs: 2V–6V supply voltage, 8ns propagation delay, 74HC CMOS logic family. From $0.5315, in stock with worldwide shipping.

SN74HC164D is an 8-bit serial-in parallel-out shift register with AND-gated serial inputs, operating up to 25 MHz at 2V–6V supply. From $0.09, in stock worldwide shipping.

SN74HC175D is a quad D flip-flop IC by Texas Instruments in SOIC-16 package, 2V–6V supply, 16 pins, -40°C to 85°C. From $0.393/unit, in-stock, ships globally, MOQ 1.

SN74HC193D is a high-speed CMOS 4-bit binary up/down counter by Texas Instruments. Key specs: 4-bit synchronous counting, separate up/down clock inputs, asynchronous clear and load, 2V–6V supply range. From $0.4045, in stock with worldwide shipping.

SN74HCU04D is a CMOS Hex Unbuffered Inverter IC with 6 channels, operating from 2V to 6V supply, 5.2mA output current, and 50pF load capacitance in a 14-Pin SOIC package. From $0.52 in stock with worldwide shipping.

SN74HC393D is a dual 4-bit binary ripple counter IC by Texas Instruments, featuring two independent counters with asynchronous master reset. Key specs: 2V–6V supply voltage, 8-bit counting capability (cascadable), 74HC CMOS logic family. From $0.285, in stock with worldwide shipping.

SN74LS04NS is a hex inverter IC from Texas Instruments, featuring 6 independent NOT gates with TTL-compatible inputs and outputs. Operates at 5V supply with propagation delay of 9ns typical. From $0.41 in stock with worldwide shipping.

SN74LS151NE4 is an 8-to-1 Line Data Selector/Multiplexer IC from Texas Instruments. It features 16-bit capacity, 15pF load capacitance, and 8mA output current in a DIP-16 package. From $0.47, in stock worldwide shipping.

SN74AHC00DR is a quadruple 2-input positive-NAND gate IC from Texas Instruments in the AHC logic family, featuring 50pF load capacitance, 8mA output current, and 4 independent gate functions. From $0.1186 in stock with worldwide shipping.

SN74LS10DRG4 is a triple 3-input NAND gate IC by Texas Instruments, featuring TTL-compatible LS logic with 5V supply and standard propagation delay. Key specs: 3 independent NAND gates, 3 inputs each, 5V VCC, 4mA output current. From $0.389, in stock with worldwide shipping.

The SN74ALS240AN is an octal buffer/line driver with 3-state outputs, featuring active-low enable control and 24mA output current capability. Built on Texas Instruments ALS logic family for high-speed, low-power performance. From $0.90 in stock with worldwide shipping.

SN74AS874DW is a 4-bit dual D-type flip-flop with independent clear from Texas Instruments AS logic family. Features 24-pin SOIC package, 50pF load capacitance, and bus driver capability. From $4.61 in stock, worldwide shipping.

SN74ALS20AN is a dual 4-input NAND gate IC from Texas Instruments in the ALS logic family. It operates at 4.5V–5.5V supply with 0°C–70°C temperature range, offering 8mA output sink current and 50pF load capacitance. From $0.86 in stock with worldwide shipping in 14-DIP package.

The SN74ALS174N is a hex D-type positive-edge-triggered flip-flop with clear from Texas Instruments. It features 6 independent flip-flop channels, 50 MHz max frequency, 50 pF load capacitance, and 8 mA output sink current. Available in a 16-pin DIP package. From $0.40 in stock with worldwide shipping.

SN74BCT543DW is an octal registered bidirectional bus transceiver with independent output enable control for each direction, featuring 50pF load capacitance and BCT/FBT logic family. From $7.425, in stock worldwide shipping.

SN74AS869DW is an 8-bit synchronous up/down binary counter by Texas Instruments, featuring Advanced Schottky TTL logic with dual clock inputs and active-low enable. Key specs: 8-bit resolution, 5V supply, 20-pin SOIC package. From $6.58, in stock with worldwide shipping.

SN74LS652DW is an octal bus transceiver and register IC with bidirectional control and multiplexed registered/real-time data transmission. Features independent control inputs and 45pF load capacitance in 24-pin SOIC package. From $7.78 with worldwide shipping.

SN74ALS994DW is an 8-bit universal shift register with 3-state outputs by Texas Instruments, fabricated in Advanced Low-power Schottky (ALS) CMOS technology. Key specs: 8-bit shift register, 3-state bus-compatible outputs, 4.75V–5.25V supply voltage, DW (SOIC-20) package. From $8.50, in stock with worldwide shipping.

SN74ALS996DW is an octal D-type register with 3-state outputs in the Advanced Low-power Schottky (ALS) logic family by Texas Instruments. Key specs: 8-bit parallel storage, 3-state bus-compatible outputs, 5V supply, SOIC-20 (DW) package. From $8.69, in stock with worldwide shipping.

SN74ALS27AD is a triple 3-input NOR gate logic IC from Texas Instruments in the ALS family, featuring 8mA output sink current and 50pF load capacitance. From $0.79 in stock, worldwide shipping.