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<<Go Back to Chip Location Reference
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L13, 74HC14 Schmitt Trigger Hex Inverter |
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Pin # |
Pin Description |
Circuit Configuration |
IDM Function |
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1 |
Gate #1 input |
Driven by a transistor to the left of L19 |
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2 |
Gate #1 output |
Drives (L8-P20) via a 4.7k series resistor |
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3 |
Gate #2 input |
Driven by (L7-P7) |
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4 |
Gate #2 output |
Drives (L17-P3) |
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5 |
Gate #3 input |
Driven by Left-Feeder output via 47k + 1k series resistor |
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6 |
Gate #3 output |
Drives (L6-P1) |
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7 |
GND |
Common GND |
Power GND for device |
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8 |
Gate #4 output |
Drives (L5-P4) |
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9 |
Gate #4 input |
Driven by (L9-P6) Connected with a feeder signal transistor |
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10 |
Gate #5 output |
Drives (L11-P13) |
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11 |
Gate #5 input |
Driven by (L4,P16) Connected with (L15, P1,9) (L8, P34) (L17 P1) (L11, P5) |
Fuel Delivery Signal |
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12 |
Gate #6 output |
Drives (L6-P5) |
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13 |
Gate #6 input |
Driven by Right Feeder output via 47k + 1k series resistor |
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14 |
VCC |
Common 5VDC |
Power 5VDC for device |