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ICs

TL074 Op-Amp IC
TL074 Op-Amp IC

TL074 Op-Amp (JFET Input)

TL074 Pin Configuration Pin Number Pin Name Description 1,7,10,16
MAX7219 – 8-Digit LED Display Driver IC
MAX7219 – 8-Digit LED Display Driver IC

MAX7219 – 8-Digit LED Display Driver IC

The MAX7219 is an IC designed to control a 8x8 LED MATRIX.
74HC157 – 2-Input Multiplexer IC
74HC157 – 2-Input Multiplexer IC

74HC157 – 2-Input Multiplexer IC

74HC157 Pin Configuration Pin Number Pin Name Description 2,5,11,14
74LS90 BCD Counter IC
74LS90 BCD Counter IC

74LS90 BCD Counter IC

74LS90 Pin Configuration Pin No. Pin Name Description 1 CLKB
74HCT04 Hex Inverter IC
74HCT04 Hex Inverter IC

74HCT04 Hex Inverter IC

74HCT04 Pin Configuration Pin Number Pin Name Description 1,3,5,11,13,15
LM7905 Negative Voltage Regulator
LM7905 Negative Voltage Regulator

LM7905 Voltage Regulator

LM7905 Pin Description Pin Number Pin Name Description 1
LF351 Op-Amp IC
LF351 Op-Amp IC

LF351 Op-Amp IC

LF351 Pin Configuration Pin No. Pin Name Description 1. Offset Null 1
DS1302 RTC IC
DS1302 RTC IC

DS1302 RTC Chip

DS1302 Pin Configuration Pin No. Pin Name Description 1 Vcc2
74HC245 8-bit Transceiver IC
74HC245 Transceiver IC

74HC245 8-bit Transceiver IC

74HC245 Pin Configuration Pin Number Pin Name Description 1
PC817 Photo-Coupler IC
PC817 Photo-Coupler IC

PC817 Photo-Coupler IC

PC817 Pin Configuration Pin Number Pin Name Description 1 Anode