HEF4001UB View Datasheet(PDF) - Philips Electronics
Part Name
Description
View to exact match
HEF4001UB Datasheet PDF : 8 Pages
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Philips Semiconductors
Quadruple 2-input NOR gate
Product speciļ¬cation
HEF4001UB
gates
INH
O
HL
L OSC
Fig.10 Example of a crystal oscillator using one HEF4001UB gate.
Fig.11 Output voltages as a function of supply
voltage.
Fig.12 Test set-up for measuring graph of Fig.11.
Condition: all other inputs connected to
ground.
NOTES
If a gate is just used as an amplifying inverter, there are
two possibilities:
1. Connecting the inputs together gives simpler wiring,
but makes the device output not completely
symmetrical.
2. Connecting one input to VSS will give the device a
symmetrical output.
January 1995
7
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