Anterwell Technology Ltd. |
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HEF40106B
gates
Hex inverting Schmitt trigger
DESCRIPTION
Each circuit of the HEF40106B functions as an inverter with Schmitt-trigger action. The Schmitt-trigger switches at different points for the positive and negative-going input signals. The difference between the positive-going voltage (VP) and the negative-going voltage (VN) is defined as hysteresis voltage (VH).
This device may be used for enhanced noise immunity or to “square up” slowly changing waveforms.
HEF40106BP(N): 14-lead DIL; plastic (SOT27-1)
HEF40106BD(F): 14-lead DIL; ceramic (cerdip) (SOT73)
HEF40106BT(D): 14-lead SO; plastic (SOT108-1)
DC CHARACTERISTICS
VSS = 0 V; Tamb = 25 °C
VDD V | SYMBOL | MIN. TYP. MAX. UNIT | |
Hysteresis voltage
| 5 10 15 | VH | 0.5 0.8 V 0.7 1.3 V 0.9 1.8 V |
Switching levels positive-going input voltage | 5 10 15 | VP | 2 3.0 3.5 V 3.7 5.8 7 V 4.9 8.3 11 V |
negative-going input voltage
| 5 10 15 | VN | 1.5 2.2 3 V 3 4.5 6.3 V 4 6.5 10.1 V |
Fig.1 Functional diagram.
Fig.2 Pinning diagram.
Fig.3 Logic diagram (one inverter).
Fig.4 Transfer characteristic.
Fig.5 Waveforms showing definition of VP, VN and VH, where VN and VP are between limits of 30% and 70%.
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