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The HD74HCT08A has four 2-input AND gates in a 14 pin package. Y = A•B or Y = A + B Features • VCC = 4.5 to 5.5 V operation • Input terminal has protection diode Function Table Inputs A H L X H : High level L : Low level X : Immaterial B H X L H L L Output Y HD74HCT08A Pin Arrangement 1A 1 1B 1Y 2 3 14 VCC 13 4B 12 4A 11 4Y 10 3B 9 3A 8 3Y 2A 4 2B 2Y 5.
• VCC = 4.5 to 5.5 V operation
• Input terminal has protection diode
Function Table
Inputs A H L X H : High level L : Low level X : Immaterial B H X L H L L Output Y
HD74HCT08A
Pin Arrangement
1A 1 1B 1Y 2 3
14 VCC 13 4B 12 4A 11 4Y 10 3B 9 3A 8 3Y
2A 4 2B 2Y 5 6
GND 7
(Top view)
Absolute Maximum Ratings
Item Supply voltage Input diode peak current Output diode peak current Output current VCC, GND current / pin Storage temperature Symbol VCC I IK I OK IO I CC or IGND Tstg Ratings
–0.5 to 7.0 ±20 ±20 ±25 ±50
–65 to 150 Unit V mA mA mA mA °C
2
HD74HCT08A
Recommended Operating Condition.
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