74LS Datasheets

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74LS DATASHEET
Use NAND gates to build a flip-flop.
Use flip-flops to build a divider.
Use dividers to build a counter.

74LS00 | 74LS04 | 74LS07 | 74LS14 | 74LS47 | 74LS72 | 74LS73 | 74LS74 | 74LS76 | 74LS86 | 74LS90 | 74LS92
74LS112 | 74LS121 | 74LS132 | 74LS193 | 74LS194 | 74LS195 | 74LS198

74LS00 - Quad 2-Input NAND Gate

74LS04 - 6x Hex Inverter

74LS07 - 6x HEX BUFFER/DRIVER

74LS14 - 6x HEX SCHMITT TRIGGER

Note: 74C case has the same internal diagram as 74LS ICs. 74C type can be supplied with voltages 3-15V.

74LS47 - BCD to 7-Segment Decoder/Driver

74LS72 - AND Gated JK Master/Slave Flip-Flop

74LS73 - Dual JK Flip-Flops With Clear

74LS74 - Dual Positive Edge Triggered D Flip-Flops

74LS76 - Dual JK Flip-Flop with Set and Clear

74LS86 - Quad 2-Input Exclusive OR Gate

74LS90 - Decade / Binary Counter


	Note: BCD connections are used to drive 74LS47 LED display driver

74LS92 - Divide by 12 Counter


	Note: BCD connections are used to drive 74LS47 LED display driver

74LS112 - Dual Negative Edge Triggered Master-Slave J-K Flip-Flop

74LS121 - Monostable Multivibrator

74LS132 - QUAD 2-INPUT SCHMITT TRIGGER NAND GATE

74LS193 - 4-Bit Up/Down Binary Counters

74LS194 - 8-Bit Bidirectional Shift Registers

74LS195 - 4-Bit Shift Registers

74LS198 - 8-Bit Bidirectional Shift Registers

Build your own LC Meter and start making your own coils and inductors. This LC Meter allows to measure incredibly small inductances making it perfect tool for making all types of RF coils. LC Meter can measure inductances starting from 10nH - 1000nH, 1uH - 1000uH, 1mH - 100mH and capacitances from 0.1pF up to 900nF. The circuit includes an auto ranging and "Zero Out" function to make sure the readings are as accurate as possible ... [more]