型號 廠商 描述
74hct245d-t
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16		 Single 8-bit Bus Transceiver
74hct244d-t
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16		 Dual 4-Bit Non-Inverting Buffer/Driver
74hct243n
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16		 4-Bit Bus Transceiver
74hct243d-t
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16		 4-Bit Bus Transceiver
74hct237d-t
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16		 3-To-8-Line Demultiplexer
74hct221d-t
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16		 Monostable Multivibrator
74hc21n
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16		 IC TTL CMOS HIGH SPEED N/DIP14
74hc21d-t
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16		 Dual 4-input AND Gate
74hc21d
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16		 SC70/µDFN, Single/Dual Low-Voltage, Low-Power µP Reset Circuits
74hc20d-t
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16		 Dual 4-input NAND Gate
74hct21n
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16		 IC HIGH SPEED CMOS LOGIK N/DIP14
74hct21d-t
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16		 Dual 4-input AND Gate
74hct21d
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16		 Dual 4-input AND Gate
74hct283d-t
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16		 Binary Adder
74hct283d
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16		 Binary Adder
74hct280d-t
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16		 Parity Generator/Checker
74hct27d-t
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16		 Triple 3-input NOR Gate
74hct273d-t
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16		 Octal D-Type Flip-Flop
74hct259d-t
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16		 Addressable D-Type Latch
74hct258d-t
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16		 2-Input Digital Multiplexer
74hct257d-t
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16		 2-Input Digital Multiplexer
74hct253d-t
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16		 4-Input Digital Multiplexer
74hct251d-t
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16		 8-Input Digital Multiplexer
74hct243d
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16		 4-Bit Bus Transceiver
74hct242d-t
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16		 4-Bit Bus Transceiver
74hct241d-t
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16		 Dual 4-Bit Non-Inverting Buffer/Driver
74hct240d-t
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16		 Dual 4-Bit Inverting Buffer/Driver
74hct238d-t
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16		 3-To-8-Line Demultiplexer
74hct20d-t
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16		 Dual 4-input NAND Gate
74hc258d-t
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16		 2-Input Digital Multiplexer
74hc257d-t
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16		 SC70/µDFN, Single/Dual Low-Voltage, Low-Power µP Reset Circuits
74hc253d-t
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16		 4-Input Digital Multiplexer
74hc251d-t
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16		 8-Input Digital Multiplexer
74hc245d-t
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16		 Single 8-bit Bus Transceiver
74hc244d-t
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16		 SC70/µDFN, Single/Dual Low-Voltage, Low-Power µP Reset Circuits
74hc243d-t
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16		 4-Bit Bus Transceiver
74hc242d-t
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16		 4-Bit Bus Transceiver
74hc241d-t
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16		 Dual 4-Bit Non-Inverting Buffer/Driver
74hc240d-t
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16		 Dual 4-Bit Inverting Buffer/Driver
74hct7245d-t
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16		 Single 8-bit Bus Transceiver
74hc297d-t
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16		 Analog Phase-Locked Loop
74hc283d-t
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16		 Binary Adder
74hc280d-t
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16		 SC70/µDFN, Single/Dual Low-Voltage, Low-Power µP Reset Circuits
74hc27d-t
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16		 Triple 3-input NOR Gate
74hc273d-t
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16		 SC70/µDFN, Single/Dual Low-Voltage, Low-Power µP Reset Circuits
74hc259d-t
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16		 SC70/µDFN, Single/Dual Low-Voltage, Low-Power µP Reset Circuits
74hc238d-t
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16		 SC70/µDFN, Single/Dual Low-Voltage, Low-Power µP Reset Circuits
74hc237d-t
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16		 3-To-8-Line Demultiplexer
74hc221d-t
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16		 SC70/µDFN, Single/Dual Low-Voltage, Low-Power µP Reset Circuits
74hc2g08
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16		 NXP Semiconductors N.V. Dual 2-input AND gate