74HC30 An 8 Input NAND Gate IC (7430 IC) DIP-14 Package LNK6666 27mmx14mmx8mm

27mmx14mmx8mm

the resistance between the external pins and the centre pin fluctuates from 0 to 200K ohm as the potentiometer rotates

unlike the PIR sensor

1k ohm 1/4W and tolerance of ±5%

74HC30 An 8 Input NAND Gate IC (7430 IC) DIP-14 Package LNK6666 27mmx14mmx8mm74HC series ICs are High speed logic gates with very low power consumption that utilize advanced silicon gate CMOS technology and 74HC30 is one of them. It has balanced propagation delay and transition times. 74HC30 ICs contain an 8 input NAND gate in one package. The Boolean expression can be written as Y = ( A. B. C. D. E. F. G. H ) or Y= A+B+C+D+E+F+G+H for each NAND gate. Internal Structure of 74HC30 device, The 74HC30 ICs have a wide operating