HD74HC126FP-X (IC771) : Buffer
1. Pin layout
1 | 14 |
2 | 13 |
3 | 12 |
4 | 11 |
5 | 10 |
6 | 9 |
7 | 8 |
2. Pin function
Inputs | Outputs | |
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C | A | Y |
L | X | Z |
H | L | H |
H | H | L |
3.Block diagram Vcc
Input | Table |
| See Function |
Vcc
1A
2A 1Y
3A
4A 2Y
1C
2C
3C 2Y
4C
3Y
4Y
Output
Output
Output
Output
1k
S1
CL1k
Sample as Load Circuit 1
Sample as Load Circuit 1
Sample as Load Circuit 1
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| AGC | Vcc |
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| 22k | |
AMP |
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| Comp | ohm | |
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I/V | BPF | Detector |
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conversion |
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PD | for |
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| trimming |
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| circuit |
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magnetic shield
Vcc
Rout
GND
