ATMEL AT 89C55 Microcontroller, Price in Pakistan

Operating voltage range: +4.75 to +5.25V Maximum supply voltage: 7V Maximum current allowed to draw through each gate output: 8mA TTL outputs Low power consumption Maximum ESD: 3.5KV Typical Rise Time: 15ns Typical Fall Time: 15ns Operating temperature :0°C to 70°C Storage Temperature: -65°C to 150°C Operating temperature: 0°C to 75°C Pin Number Description NORGATE 1 2 1A-INPUT1 of GATE 1 3 1B-INPUT2 of GATE 1 1 1Y-OUTPUT of GATE1 NORGATE 2 5 2A-INPUT1 of GATE 2 6 2B-INPUT2 of GATE 2 4 2Y-OUTPUT of GATE2 NORGATE 3 8 3A-INPUT1 of GATE 3 9 3B-INPUT2 of GATE 3 10 3Y-OUTPUT of GATE3 NORGATE 4 11 4A-INPUT1 of GATE 4 12 4B-INPUT2 of GATE 4 13 4Y-OUTPUT of GATE4 SHARED TERMINALS 7 GND- Connected to ground 14 VCC-Connected to positive voltage to provide power to all four gates SKU: 0401 Categories: Discrete Electronic Components, ICs, Logic Gates Tags: 2input, 74LS02, Gate, IC, NOR, quad