74HC4049 查看數據表（PDF） - Philips Electronics
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74HC4049 Datasheet PDF : 7 Pages
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Philips Semiconductors
Hex inverting high-to-low level shifter
Product specification
74HC4049
Fig.4 Functional diagram.
Fig.5 Input protection for HC4049. Single sided thick
oxide field effect metal gate transistor as input
protection.
Fig.6 Logic diagram (one level shifter).
FUNCTION TABLE
INPUT
nA
L
H
Notes
1. H = HIGH voltage level
L = LOW voltage level
OUTPUT
nY
H
L
December 1990
4
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