Logic IC
502 Logic IC chips — pinouts, specs, and datasheets.
74HCT153 · Nexperia
The 74HCT153 is a dual 4-to-1 multiplexer that selects one of four binary inputs based on select lines, with enable inputs to force outputs low.
74HCT154 · Nexperia
The 74HC154/74HCT154 is a 4-to-16 line decoder/demultiplexer that decodes four binary inputs into sixteen outputs, with two enable inputs to control output states.
74HCT157 · Texas Instruments
The 74HCT157 is a quad 2-to-1 multiplexer with high-current outputs and low power consumption.
74HCT163 · Nexperia
A presettable synchronous 4-bit binary counter that can be used to design counters of any modulus with minimal external logic.
74HCT164 · Nexperia
The 74HCT164 is an 8-bit serial-in/parallel-out shift register with features like wide supply voltage range and multiple package options.
74HCT165 · Texas Instruments
The SN74HCT165 is an 8-bit shift register that can operate in parallel or serial mode, with inputs and outputs compatible with LSTTL logic.
74HCT166 · Nexperia
The 74HCT166 is an 8-bit serial or parallel-in/serial-out shift register that supports parallel loading and serial shifting of data.
74HCT173 · Nexperia
The 74HCT173 is a quad D-type flip-flop with positive-edge triggering and 3-state functionality, used for data storage and processing.
74HCT174 · Nexperia
The 74HCT174 is a hex D-type flip-flop with positive-edge triggering and individual data inputs/outputs, featuring an asynchronous master reset input.
74HCT175 · Nexperia
A quad D-type flip-flop with positive-edge triggering, used for storing and resetting data inputs.
74HCT193 · Nexperia
The 74HCT193 is a presettable synchronous 4-bit binary up/down counter that can count in both directions and has parallel load and master reset capabilities.
74HCT238 · Nexperia
The 74HCT238 is a 3-to-8 line decoder/demultiplexer that decodes three binary weighted address inputs to eight mutually exclusive outputs, with enable inputs for easy expansion.
74HCT240 · Texas Instruments
The 74HCT240 is an octal buffer with inverted data passing and 3-state outputs, designed for memory address drivers and bus-oriented applications. It operates from a supply voltage range of 4.5V to 5.5V.
74HCT241 · Nexperia
The 74HCT241 is an octal buffer/line driver with 3-state outputs, used for interfacing between CMOS or TTL logic levels and can be configured as two 4-bit buffers or one 8-bit buffer.
74HCT244 · Texas Instruments
The 74HCT244 is an octal buffer with 3-state outputs, designed to improve performance and density in memory address drivers and bus-oriented receivers/transmitters.
74HCT245 · Texas Instruments
74HCT245 Octal Bus Transceiver is designed for asynchronous two-way communication between data buses, featuring high-current 3-state outputs and low power consumption.
74HCT251 · Nexperia
The 74HCT251 is an 8-to-1 multiplexer with three select inputs and one output enable input, allowing selection of one of eight data inputs to be routed to the output.
74HCT253 · Nexperia
The 74HCT253 is a dual 4-to-1 multiplexer with 3-state outputs, used for data selection and routing in digital circuits.
74HCT257 · Texas Instruments
The 74HCT257 is a quad 2-to-1 multiplexer with high-current 3-state outputs designed for bus interface in high-performance systems.
74HCT259 · Nexperia
The 74HCT259 is an 8-bit addressable latch that can operate in various modes including memory, demultiplexer, and reset mode.
74HCT27 · Nexperia
The 74HCT27 is a triple 3-input NOR gate designed for use in digital circuits, providing high noise immunity and wide supply voltage range.
74HCT273 · Texas Instruments
74HCT273 is an octal D flip-flop with positive-edge triggering and a common clear enable input.
74HCT30 · Nexperia
The 74HCT30 is an 8-input NAND gate IC used for digital logic operations with a wide supply voltage range from 2.0V to 6.0V.
74HCT32 Quad OR
74HCT32 · Texas Instruments
The 74HCT32 is a quad OR gate IC that performs the Boolean function Y = A + B in positive logic, with low power consumption and TTL-compatible inputs.