74LS Datasheets

74LS DATASHEETS
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