The 74LS00 is a 14 Pin Quad 2-Input NAND Gate IC. This device contains four independent gates each of which performs the logic NAND function. NAND gates utilize advanced silicon-gate CMOS technology to achieve operating speeds with the low power consumption of standard CMOS integrated circuits. All gates have buffered outputs.
All devices have high noise immunity and the ability to drive 10 LS-TTL loads. The 74LS logic family is functionally as well as pin-out compatible with the standard 74HC logic family. All inputs are protected from damage due to static discharge by internal diode clamps to VCC and ground.
The 74LS02 is a 14 Pin Quad 2-Input NOR Gate IC. NOR gates utilize advanced silicon-gate CMOS technology to achieve operating speeds similar to HC gates with the low power consumption of standard CMOS integrated circuits. All gates have buffered outputs, providing high noise immunity and the ability to drive 10 LS-TTL loads. The 74HC logic family is functionally as well as pin-out compatible with the standard 74LS logic family.
All inputs are protected from damage due to static discharge by internal diode clamps to VCC and ground.
74LS04 is Hex Inverter NOT gate IC. It consists of six inverters which perform logical invert action. output of an inverter is complement of its input logic state i.e. when input is high its output is low and vice versa. device contains six independent gates each of which performs logic INVERT function. Operating voltage is 5V, high-level input voltage is 2V, and low-level input is 0.8V. Contains absolute maximum ratings over operating free-air temperature range, recommended operating conditions, electrical characteristics over recommended operating free-air temperature range.
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